Universal burn-in driver system and method therefor

• US 5,557,559 A
• Filed: 12/23/1993
• Issued: 09/17/1996
• Est. Priority Date: 07/06/1992
• Status: Expired due to Fees

• Current Assignee: Delta Design Incorporated (COHU Incorporated)
• Original Assignee: Motay Electronics, Inc. (Unisys Corporation)
• Inventors: Rhodes, James V.
• Primary Examiner(s): Voeltz, Emanuel T.
• Assistant Examiner(s): Choi, Kyle J.
• Application Number:
  US08/173,618
• Time in Patent Office: 999 Days
• Field of Search: 364/579, 364/580, 364/480, 371/22.1, 395/575, 395/155, 395/156, 395/161, 324/158.1, 324/765, 324/555, 324/760
• US Class Current: 702/118
• CPC Class Codes: G01R 31/31719 Security aspects, e.g. preventing unauthorised access during test
• CPC Class Codes: G01R 31/31908 Tester set-up, e.g. configuring the tester to the device under test [DUT], down loading test patterns
• CPC Class Codes: Y10S 715/97 Instrumentation and component modelling, e.g. interactive control panel

Abstract

In association with a burn-in system for the accelerated life testing of semiconductor devices, of the type including a burn-in driver universally reconfigurable by computer control, a computer software system and method combining interactive systems for designing projects having data for reconfiguring the driver, designing test sequences having data for controlling semiconductor burn-in, designing oven chamber and driver and burn-in board configurations for use in burn-in control, controlling burn-in testing, diagnosing hardware problems, and providing system security. The software system of a multi-purpose computer controlled driver system functions with and controls the burn-in system hardware to accomplish the signal conditioning and testing during the same time period of a wide variety of devices quickly and efficiently with a minimum of system setups and change-overs.

Claims

1. In association with a burn-in system of the type comprising test vector storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, a computer system comprising, in combination;

a. first computer editing means for independently setting vector parameters as vector data for testing a said device under test; and

b. computer data storage means for storing said vector data as an identified project file.

2. A computer system according to claim 1 wherein said first computer editing means includes display means for graphic representation of test waveforms for multiple channels.

3. A computer system according to claim 1 wherein said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means.

4. A computer system according to claim 1 including:

a. second computer editing means for independently setting sequential parameters as sequence data for controlling the testing of semiconductor devices; and

b. computer data storage means for storing said sequence data as an identified sequence file.

5. A computer system according to claim 4 wherein said second computer editing means includes command means for including said identified project file as one of said sequential parameters.

6. A computer system according to claim 4 wherein said sequence data is storable in said computer data storage means in form for use to control said burn-in driver means.

7. A computer system according to claim 4 including:

a. third computer editing means for graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said devices under test; and

b. computer data storage means for storing said burn-in system data as an identified burn-in system file.

8. A computer system according to claim 7 including computer burn-in control means for controlling said burn-in system.

9. A computer system according to claim 8 wherein said computer burn-in control means includes command means for including said identified burn-in system file as said burn-in system data.

10. A computer system according to claim 8 wherein said computer burn-in control means includes command means for including said identified sequence file for use to control said burn-in driver means.

11. A computer system according to claim 8 wherein said computer burn-in control means includes reactive means for mid-test amendment of sequence parameters in response to computer receipt from said driver means of selected test data concerning said device under test.

12. A computer system according to claim 8 including computer diagnostic means for testing said burn-in system.

13. A computer system according to claim 12 wherein said computer system contains a data port and including computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

14. A computer system according to claim 7 wherein said first, second, and third computer editing means include menu-based, interactive, graphic displays.

15. A computer system according to claim 1 including computer diagnostic means for testing said burn-in system.

16. A computer system according to claim 15 wherein said computer diagnostic means includes command means for using said identified project file to reconfigure said driver means.

17. A computer system according to claim 1 wherein said computer system contains a data port and including computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

18. The method for making a computer-control system for a burn-in system of the type comprising test vector storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. providing first computer editing means for independently setting vector parameters as vector data for testing a said device under test; and

b. providing computer data storage means for storing said vector data as an identified project file.

19. The method for making a computer-control system according to claim 18 further comprising the step of providing that said first computer editing means includes display means for graphic representation of test waveforms for multiple channels.

20. The method for making a computer-control system according to claim 18 further comprising the step of providing that said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means.

21. The method for making a computer-control system according to claim 18 further comprising the steps of:

a. providing second computer editing means for independently setting sequential parameters as sequence data for controlling the testing of semiconductor devices; and

b. providing computer data storage means for storing said sequence data as an identified sequence file.

22. The method for making a computer-control system according to claim 21 further comprising the step of providing that said second computer editing means includes command means for including said identified project file as one of said sequential parameters.

23. The method for making a computer-control system according to claim 21 further comprising the step of providing that said sequence data is storable in said computer data storage means in form for use to control said burn-in driver means.

24. The method for making a computer-control system according to claim 21 further comprising the steps of:

a. providing third computer editing means for graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said devices under test; and

b. providing computer data storage means for storing said burn-in system data as an identified burn-in system file.

25. The method for making a computer-control system according to claim 24 further comprising the step of providing computer burn-in control means for controlling said burn-in system.

26. The method for making a computer-control system according to claim 25 further comprising the step of providing that said computer burn-in control means includes command means for including said identified burn-in system file as said burn-in system data.

27. The method for making a computer-control system according to claim 25 further comprising the step of providing that said computer burn-in control means includes command means for including said identified sequence file for use to control said burn-in driver means.

28. The method for making a computer-control system according to claim 25 further comprising the step of providing that said computer burn-in control means includes reactive means for mid-test amendment of sequence parameters in response to computer receipt from said driver means of selected test data concerning said device under test.

29. The method for making a computer-control system according to claim 25 further comprising the step of providing computer diagnostic means for testing said burn-in system.

30. The method for making a computer-control system according to claim 29 further comprising the steps of:

a. providing that said computer system contains a data port; and

b. providing computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

31. The method for making a computer-control system according to claim 25 further comprising the step of providing that said computer diagnostic means includes command means for using said identified project file to reconfigure said driver means.

32. The method for making a computer-control system according to claim 24 further comprising the step of providing that said first, second, and third computer editing means include menu-based, interactive, graphic displays.

33. The method for making a computer-control system according to claim 18 further comprising the steps of:

a. providing that said computer system contains a data port; and

b. providing computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

34. The method for computer control of a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. by said computer means, independently setting vector parameters as vector data for testing a said device under test; and

b. by said computer means, storing in said computer data storage means said vector data as an identified project file.

35. The method for computer control according to claim 34 further comprising the step of displaying, by said computer means, graphic representation of test waveforms for multiple channels during said setting of said vector parameters.

36. The method for computer control according to claim 34 further comprising the step of storing said vector data in said computer data storage means in form for use to configure said burn-in driver means.

37. The method for computer control according to claim 34 further comprising the steps of:

a. independently setting, by said computer means sequential parameters as sequence data for controlling the testing of said device under test; and

b. by said computer means, storing in said computer data storage means said sequence data as an identified sequence file.

38. The method for computer control according to claim 37 further comprising the step of including said identified project file as at least one of said sequential parameters.

39. The method for computer control according to claim 37 further comprising the step of storing said sequence data in said computer data storage means in form for use to control said burn-in driver means.

40. The method for computer control according to claim 37 further comprising the steps of:

a. by said computer means, graphically setting as burn-in system data a burn-in system configuration for controlling the testing of device under test; and

b. by said computer means, storing said burn-in system data as an identified burn-in system file.

41. The method for computer-control system according to claim 40 further comprising the step of controlling by said computer means, said burn-in system.

42. The method for computer control according to claim 41 further comprising the step of including said identified burn-in system file in said controlling by said computer means.

43. The method for computer-control according to claim 41 further comprising the step of including said identified sequence file in said controlling by said computer means.

44. The method for computer control according to claim 41 further comprising the step of mid-test amending of sequence parameters in response to computer receipt from said driver means of selected test data concerning said device under test.

45. The method for computer control according to claim 41 further the step of testing, by said computer means, said burn-in system.

46. The method for computer control according to claim 45 further comprising the step of using said identified project file to reconfigure said driver means.

47. The method for computer control according to claim 45 further comprising the steps of:

a. including a data port in said computer means; and

b. restricting access to said computer means by security means, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer means.

48. The method for computer control according to claim 40 further comprising the step of using menu-based, interactive, graphic displays.

49. The method for computer control according to claim 34 further comprising the steps of:

a. including a data port in said computer means; and

b. restricting access to said computer means by security means, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer means.

50. In association with a burn-in system of the type comprising test vector storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, a computer system comprising, in combination;

a. first computer editing means for independently setting vector parameters as vector data for testing a said device under test

i. wherein said first computer editing means includes display means for graphic representation of test waveforms for multiple channels;

b. computer data storage means for storing said vector data as an identified project file

i. wherein said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means;

c. second computer editing means for independently setting sequential parameters as sequence data for controlling the testing of said devices under test

i. wherein said second computer editing means includes command means for including as one of said sequential parameters said identified project file;

d. computer data storage means for storing said sequence data as an identified sequence file

i. wherein said sequence data is storable in said computer data storage means in form for use to control said burn-in driver means;

e. third computer editing means for graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said devices under test;

f. computer data storage means for storing said burn-in system data as an identified burn-in system file;

g. computer burn-in control means for controlling said burn-in system

i. wherein said computer burn-in control means includes command means for including said identified burn-in system file as said burn-in system data,

ii. wherein said computer burn-in control means includes command means for including said identified sequence file for use to control said burn-in driver means, and

iii. wherein said computer burn-in control means includes reactive means for mid-test amendment of sequence parameters in response to computer receipt from said driver means of selected test data concerning said device under test;

h. computer diagnostic means for testing said burn-in system

i. wherein said computer diagnostic means includes command means for using said identified project file to reconfigure said driver means; and

i. wherein said first, second, and third computer editing means include menu-based, interactive, graphic displays.

51. A computer system according to claim 50 wherein said computer system contains a data port and including computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

52. The method for making a computer-control system for a burn-in system of the type comprising test vector storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. providing first computer editing means for independently setting vector parameters as vector data for testing a said device under test;

b. providing that said first computer editing means includes display means for graphic representation of test waveforms for multiple channels;

c. providing computer data storage means for storing said vector data as an identified project file;

d. providing that said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means;

e. providing second computer editing means for independently setting sequential parameters as sequence data for controlling the testing of said devices under test;

f. providing that said second computer editing means includes command means for including as one of said sequential parameters said identified project file;

g. providing computer data storage means for storing said sequence data as an identified sequence file;

h. providing that said sequence data is storable in said computer data storage means in form for use to control said burn-in driver means;

i. providing third computer editing means for graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said devices under test;

j. providing computer data storage means for storing said burn-in system data as an identified burn-in system file;

k. providing computer burn-in control means for controlling said burn-in system;

l. providing that said computer burn-in control means includes command means for including said identified burn-in system file as burn-in system data;

m. providing that said computer burn-in control means includes command means for including a said identified sequence file for use to control said burn-in driver means;

n. providing that said computer burn-in control means includes reactive means for mid-test amendment of sequence parameters in response to computer receipt from said driver means of selected test data concerning said device under test;

o. providing computer diagnostic means for testing said burn-in system;

p. providing that said computer diagnostic means includes command means for using a said identified project file to reconfigure said driver means; and

q. providing that said first, second, and third computer editing means include menu-based, interactive, graphic displays.

53. The method for making a computer-control system according to claim 52 further comprising the steps of:

a. providing that said computer system contains a data port; and

b. providing computer security means for restricting access to said computer system, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

54. The method for computer control of a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. by said computer means, independently setting vector parameters as vector data for testing a said device under test;

b. by said computer means, displaying graphic representation of test waveforms for multiple channels during said setting, by said computer means, of said vector parameters;

c. by said computer means, storing in said computer data storage means said vector data as an identified project file;

d. storing said vector data in said computer data storage means in form for use to configure said burn-in driver means;

e. by said computer means, independently setting sequential parameters as sequence data for controlling the testing of said devices under test;

f. including as at least one of said sequential parameters said identified project file;

g. by said computer means, storing in said computer data storage means said sequence data as an identified sequence file;

h. storing said sequence data in said computer data storage means in form for use to control said burn-in driver means;

i. by said computer means, graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said devices under test;

j. by said computer means, storing in said computer data storage means said burn-in system data as an identified burn-in system file;

k. by said computer means, controlling said burn-in system;

l. including said identified burn-in system file in said controlling of said burn-in system;

m. including said identified sequence file in said controlling of said burn-in system;

n. mid-test amending of said sequential parameters in response to computer receipt from said driver means of selected test data concerning said device under test;

o. by said computer means, testing said burn-in system including said driver means;

p. in said testing, using said identified project file to reconfigure said driver means; and

q. including menu-based, interactive, graphic displays.

55. The method for computer control according to claim 54 further comprising the steps of:

a. including a data port in said computer system; and

b. restricting access to said computer system by security means, said security means including the requirement for access of the presence of a pluggable key in said data port of said computer system.

56. In association with a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, a computer system comprising, in combination;

a. computer editing means for independently setting, as vector data, first vector parameters for testing a first said device under test and second vector parameters for testing a second said device under test;

b. said computer data storage means for storing, as vector data, said first vector parameters as an identified first project file and said second vector parameters as an identified second project file

i. wherein said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means; and

c. computer burn-in control means for controlling said burn-in system

i. wherein said computer burn-in control means includes command means for including said identified first project file and said identified second project file as vector parameters for use to control said burn-in driver means for testing during the same time period of both said first device under test and said second device under test.

57. In association with a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, a computer system comprising, in combination;

a. first computer editing means for independently setting, as vector data, first vector parameters for testing a first said device under test and second vector parameters for testing a second said device under test

i. wherein said first computer editing means includes display means for graphic representation of test waveforms for multiple channels;

b. said computer data storage means for storing, as vector data, said first vector parameters as an identified first project file and said second vector parameters as an identified second project file

i. wherein said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means;

c. second computer editing means for independently setting, as sequence data, first sequential parameters for controlling the testing of said first device under test and second sequential parameters for controlling the testing of said second device under test

i. wherein said second computer editing means includes command means for including as one of said first sequential parameters said first identified project file and including as one of said second sequential parameters said second identified project file;

d. said computer data storage means for storing, as sequence data, said first sequential parameters as an identified first sequence file associated with said first device under test and said second sequential parameters as an identified second sequence file associated with said second device under test

i. wherein said sequence data is storable in said computer data storage means in form for use to control said burn-in driver means;

e. third computer editing means for graphically setting, as burn-in system data, a burn-in system configuration for controlling the testing of said first device under test and said second device under test;

f. said computer data storage means for storing said burn-in system data as an identified burn-in system file;

g. computer burn-in control means for controlling said burn-in system

i. wherein said computer burn-in control means includes command means for including said identified burn-in system file as burn-in system data, and

ii. wherein said computer burn-in control means includes command means for including said first sequence file and said second sequence file for use to control said burn-in driver means for testing during the same time period of both said first device under test and said second device under test; and

h. wherein said first, second, and third computer editing means include menu-based, interactive, graphic displays.

58. The method for making a computer-control system for a burn-in system of the type comprising test vector storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. providing computer editing means for independently setting, as vector data, first vector parameters for testing a first said device under test and second vector parameters for testing a second said device under test;

b. providing computer data storage means for storing, as vector data, said first vector parameters as an identified first project file and said second vector parameters as an identified second project file

i. wherein said vector data is storable in said computer data storage means in form for use to configure said burn-in driver means; and

c. providing computer burn-in control means for controlling said burn-in system

i. wherein said computer burn-in control means includes command means for including said first identified project file and said second identified project file for use to control said burn-in driver means for testing during the same time period of both said first device under test and said second device under test.

59. The method for computer control of a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. by said computer means, independently setting first vector parameters as vector data for testing a first said device under test;

b. by said computer means, storing in said computer data storage means, as vector data, said first vector parameters as an identified first project file;

c. by said computer means, independently setting second vector parameters as vector data for testing a second said device under test;

d. by said computer means, storing in said computer data storage means, as vector data, said second vector parameters as an identified second project file;

e. by said computer means, storing said vector data in said computer data storage means in form for use to configure said burn-in driver means;

f. by said computer means, controlling said burn-in system for testing during the same time period of both said first device under test and said second device under test;

g. including in said controlling of said burn-in system said first identified project file and said second identified project file for use to control said burn-in driver means for testing during the same time period of both said first device under test and said second device under test.

60. The method for computer control of a burn-in system of the type comprising test vector computer data storage means for storing data patterns defining the sequence of electrical signals for a burn-in operation to be applied to devices under test;

burn-in driver means for controlling the magnitude and frequency content of said electrical signal for burn-in of said devices under test, said burn-in driver means further comprising means for identifying said devices under test; and

computer means coupled to said test vector storage means and coupled to said burn-in driver means for changing said sequence, said magnitude and said frequency under program control in response to said means for identifying said devices under test to dynamically modify said sequence of electrical signals for burn-in of said devices under test, comprising the steps of;

a. by said computer means, independently setting first vector parameters as vector data for testing a first said device under test;

b. by said computer means, storing in said computer data storage means, as vector data, said first vector parameters as an identified first project file;

c. by said computer means, independently setting second vector parameters as vector data for testing a second said device under test;

d. by said computer means, storing in said computer data storage means, as vector data, said second vector parameters as an identified second project file;

e. by said computer means, displaying graphic representation of test waveforms for multiple channels during said setting of said vector parameters;

f. by said computer means, storing said vector data in said computer data storage means in form for use to configure said burn-in driver means;

g. by said computer means, independently setting, as sequence data, first sequential parameters for controlling the testing of said first device under test;

h. including as one of said first sequential parameters said first identified project file;

i. by means of said computer, storing in said computer data storage means, as sequence data, said first sequential parameters as an identified first sequence file associated with said first device under test

i. wherein said sequence data is stored in form for use to control said burn-in driver means;

j. by said computer means, independently setting, as sequence data, second sequential parameters for controlling the testing of said second device under test;

k. including as one of said second sequential parameters said second identified project file;

l. by said computer means, storing in said computer data storage means, as sequence data, said second sequential parameters as an identified second sequence file associated with said second device under test

i. wherein said sequence data is stored in form for use to control said burn-in driver means;

m. by means of said computer, graphically setting as burn-in system data a burn-in system configuration for controlling the testing of said first device under test and said second device under test;

n. by means of said computer, storing in said computer data storage means said burn-in system data as an identified burn-in system file;

o. by means of said computer, controlling said burn-in system for testing during the same time period of both said first device under test and said second device under test;

p. including in said controlling of said burn-in system said identified burn-in system file;

q. including in said controlling of said burn-in system said first identified sequence file and said second identified sequence file for use to control said burn-in driver means for testing during the same time period of both said first device under test and said second device under test; and

r. including menu-based, interactive, graphic displays.