MONITORING AND CONTROL MEANS FOR EVALUATING THE PERFORMANCE OF VIBRATORY-TYPE DEVICES

• US 3,857,279 A
• Filed: 11/12/1973
• Issued: 12/31/1974
• Est. Priority Date: 05/07/1973
• Status: Expired due to Term

• Current Assignee: Charles T. Martin Jr, Thomas Salzer
• Original Assignee: Charles T. Martin Jr, Thomas Salzer
• Inventors: Salzer, Thomas, Martin, Charles T. Jr.
• Primary Examiner(s): Myracle, Jerry W.
• Assistant Examiner(s): Beauchamp, John P.
• Application Number:
  US05/415,064
• Time in Patent Office: 414 Days
• Field of Search: 73/67.1,67.2,67,71.4
• US Class Current: 73/582
• CPC Class Codes: B06B 1/0261 taken from a transducer or electrode connected to the driving transducer
• CPC Class Codes: B06B 2201/72 Welding, joining, soldering
• CPC Class Codes: B23K 20/005 Capillary welding
• CPC Class Codes: B23K 20/10 making use of vibrations, e.g. ultrasonic welding
• CPC Class Codes: H01L 2224/45124 Aluminium (Al) as principal constituent
• CPC Class Codes: H01L 2224/4847 the connecting portion on the bonding area of the semiconductor or solid-state body being a wedge bond
• CPC Class Codes: H01L 2224/48472 the other connecting portion not on the bonding area also being a wedge bond, i.e. wedge-to-wedge
• CPC Class Codes: H01L 2224/78301 Capillary
• CPC Class Codes: H01L 2224/78313 Wedge
• CPC Class Codes: H01L 2224/78318 inside the capillary
• CPC Class Codes: H01L 2224/85181 connecting first on the semiconductor or solid-state body, i.e. on-chip, regular stitch
• CPC Class Codes: H01L 2224/85205 Ultrasonic bonding
• CPC Class Codes: H01L 24/45 of an individual wire connector
• CPC Class Codes: H01L 24/48 of an individual wire connector
• CPC Class Codes: H01L 24/78 Apparatus for connecting with wire connectors
• CPC Class Codes: H01L 24/85 using a wire connector wire bonding in general B23K20/004
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/01006 Carbon [C]
• CPC Class Codes: H01L 2924/01013 Aluminum [Al]
• CPC Class Codes: H01L 2924/01027 : Cobalt [Co]
• CPC Class Codes: H01L 2924/01028 : Nickel [Ni]
• CPC Class Codes: H01L 2924/01033 : Arsenic [As]
• CPC Class Codes: H01L 2924/01052 : Tellurium [Te]
• CPC Class Codes: H01L 2924/01074 : Tungsten [W]
• CPC Class Codes: H01L 2924/01082 : Lead [Pb]
• CPC Class Codes: H01L 2924/014 : Solder alloys
• CPC Class Codes: H01L 2924/12042 : LASER
• CPC Class Codes: H01L 2924/14 : Integrated circuits
• CPC Class Codes: H01L 2924/30105 : Capacitance
• CPC Class Codes: H10N 35/80 : Constructional details

Abstract

Apparatus and method for determining the operative effectiveness of a vibrating means coupled to a non-linear load, said apparatus comprising a vibrating means operatively connected to a source of vibratory energy and having coupling means for connecting to a non-linear load, vibration sensing means electrically connected to a harmonic analyzing means having an output electrically connected to an indicator means which may include a display means and a control means.

Claims

1. In combination:

a source of oscillatory energy;

vibrating means operatively connected to said source and disposed to vibrate at a predetermined excitation frequency;

the vibrating means including vibration generating means for converting oscillatory energy from said source into vibration of the vibrating means at said predetermined excitation frequency, and coupling means for connecting the vibrating means to a non-linear load;

vibration sensing means operatively connected to the vibrating means and disposed to detect harmonic vibrational modes of the vibrating means;

harmonic analyzing means operatively connected to the vibration sensing means; and

indicator means operatively connected to the harmonic analyzing means.

2. A combination as set forth in claim 1 wherein the vibration sensing means is operatively connected to the vibration generating means.

3. A combination as set forth in claim 1 wherein the vibration sensing means is opperatively connected to the coupling means.

4. A combination as set forth in claim 1 wherein the indicator means include a display means for visually evaluating the operative effectiveness of the vibrating means on the non-linear load.

5. A combination as set forth in claim 1 wherein the indicator means include control means for regulating the vibrational motion of the vibrating means.

6. In combination:

a source of oscillatory electrical energy;

vibrating means electrically connected to said source and having a vibratile portion operatively responsive to the oscillations of said electrical energy, the vibratile portion having an excitation frequency of vibration and including coupling means for connecting said portion to a non-linear load;

a vibration sensing device disposed in operative engagement with the vibratile portion and having means for producing electrical signals corresponding to the vibrational modes of said vibratile portion;

harmonic analyzing means electrically connected to the vibration sensing device and having an electrical output corresponding to a harmonic vibrational mode of the vibratile portion; and

indicator means electrically connected to the output of the harmonic analyzing means.

7. The combination as set forth in claim 6 wherein the vibration sensing device is secured to the coupling means.

8. The combination as set forth in claim 7 wherein the vibration sensing device is an accelerometer comprising a crystalline body of piezoelectric material.