Wireless wafer carrier identification and enterprise data synchronization

• US 20030233161A1
• Filed: 06/14/2002
• Published: 12/18/2003
• Est. Priority Date: 06/14/2002
• Status: Active Grant

• Current Assignee: Taiwan Semiconductor Manufacturing Company Limited
• Original Assignee: Taiwan Semiconductor Manufacturing Company Limited
• Inventors: Chen, Bruce, Lu, Yuan-Ching, Cheng, Chien-Fei, Wang, Shi-Ming, Yeh, Pei-Chen, Lin, Li-Ren
• Granted Patent: US 7,158,850 B2
• Time in Patent Office: Days
• US Class Current: 700/108
• CPC Class Codes: G06Q 10/06 Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling

Abstract

A semiconductor fabrication enterprise includes fabrication equipment, transportable containers for work-in-process and an enterprise information system. The transportable containers have associated radio frequency tags having identification codes uniquely identifying the carriers in the fabrication process. The enterprise information system contains data corresponding to each such identification code. The identification codes are read by a radio frequency interrogation device, and the radio frequency interrogation device carries out transactions with the enterprise data system to transfer the data corresponding to the identification codes to the radio frequency interrogation device. The radio frequency tags may be adapted for read/write functionality allowing for writing data to the radio frequency tags and synchronization of radio frequency tag data and enterprise information system data.

Claims

1. A semiconductor fabrication enterprise comprising:

an enterprise information system;

a transportable WIP carriers having an RF tag containing WIP identifying data; and

,

a wireless interrogation device adapted to read WIP identifying data from the RF tag and communicate with the enterprise information system to read WIP data from the enterprise information system corresponding to the WIP identifying data.

2. A semiconductor fabrication enterprise as claimed in claim 1 wherein said wireless interrogation device comprises a client process and said enterprise information system comprises a server process.

3. A semiconductor fabrication enterprise as claimed in claim 2 wherein said client process and said server process comprise portions of a three-tier client/server system.

4. A semiconductor fabrication enterprise as claimed in claim 1 wherein communication between said wireless interrogation device and said enterprise information system is effected over a three-tier client/server system.

5. A semiconductor fabrication enterprise as claimed in claim 1 wherein said RF tag comprises writable memory and said wireless interrogation device is adapted for writing data to the RF tag.

6. A semiconductor fabrication enterprise as claimed in claim 1 wherein said RF tag further includes writable memory and said wireless interrogation device is adapted for synchronizing data between the RF tag and the enterprise information system.

7. A semiconductor fabrication enterprise as claimed in claim 1 wherein the wireless interrogation device is selected from the group comprising personal digital assistants, cellular telephones, portable computers including laptop and handheld, personal productivity devices and wireless terminals.

8. A semiconductor fabrication enterprise as claimed in claim 1 wherein the wireless interrogation device comprises a graphical user interface.

9. A semiconductor fabrication enterprise as claimed in claim 7 wherein the wireless interrogation device comprises a graphical user interface.

10. A WIP information system for a semiconductor fabrication enterprise comprising:

a container adapted for the transportation of WIP through a semiconductor fabrication process;

a RF tag having readable memory programmed with a unique identification code, said RF tag being attached to the container;

an enterprise data source including WIP data corresponding to the identification code; and

,

an RF interrogation device adapted to read the identification code from the RF tag and communicate the identification code to the enterprise data source in request of the WIP data corresponding to the identification code.

11. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 10 wherein said RF tag further includes writable memory and said RF interrogation device is adapted for writing data to the RF tag.

12. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 10 wherein said RF tag further includes writable memory for WIP data and said RF interrogation device is adapted for synchronizing WIP data between the RF tag and the enterprise data source.

13. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 10 wherein the RF interrogation device is selected from the group comprising personal digital assistants, cellular telephones, portable computers including laptop and handheld, personal productivity devices and wireless terminals.

14. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 10 further comprising:

a network including a wireless access point through which the RF interrogation device issues transactions to the enterprise data source.

15. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 14 wherein the issued transactions are brokered by a transaction gateway in a three-tier client/server system.

16. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 10 wherein the RF interrogation device comprises a graphical user interface.

17. The WIP information system for a semiconductor fabrication enterprise as claimed in claim 13 wherein the RF interrogation device comprises a graphical user interface.

18. Method for data communication in a semiconductor fabrication enterprise comprising the steps:

providing a carrier for WIP, the carrier having attached thereto a RF tag;

assigning to the RF tag a unique identification code;

providing an enterprise data source including data corresponding to the identification code;

reading the identification code from the RF tag with a RF interrogation device;

requesting from the enterprise data source the data corresponding to the identification code; and

,

providing to the RF interrogation device the data corresponding to the identification code from the enterprise data source.

19. The method for data communication in a semiconductor fabrication enterprise of claim 18 wherein the step of providing an enterprise data source includes networking the enterprise data source to data collection means and periodically updating the enterprise data source.

20. The method for data communication in a semiconductor fabrication enterprise of claim 19 wherein the data collection means comprises the RF interrogation device.

21. The method for data communication in a semiconductor fabrication enterprise of claim 19 wherein the data collection means comprises semiconductor fabrication equipment controllers.

22. The method for data communication in a semiconductor fabrication enterprise of claim 18 wherein the RF interrogation device is selected from the group comprising personal digital assistants, cellular telephones, portable computers including laptop and handheld, personal productivity devices and wireless terminals.

23. The method for data communication in a semiconductor fabrication enterprise of claim 20 wherein the RF interrogation device is selected from the group comprising personal digital assistants, cellular telephones, portable computers including laptop and handheld, personal productivity devices and wireless terminals.

24. The method for data communication in a semiconductor fabrication enterprise of claim 18 further comprising the steps:

writing to the RF tag the data corresponding to the identification code provided to the RF interrogation device from the enterprise data source.

25. The method for data communication in a semiconductor fabrication enterprise of claim 24 wherein the RF interrogation device is selected from the group comprising personal digital assistants, cellular telephones, portable computers including laptop and handheld, personal productivity devices and wireless terminals.