Patent Number: 7,786,722

Title: Automated tray transfer device for prevention of mixing post and pre-test dies, and method of using same

Abstract: A method of sorting automated tray transfer trays includes detecting if a die remains in the tray. The method includes the ability to interrupt the automated tray transfer process to prevent mixing processed and unprocessed dice. An apparatus includes a sensor for detecting if a die remains in the tray. A sensor includes a protrusion on an automated tray transfer handler.

Inventors: Wong; Hon Meng (Penang, MY), Lam; Lek Seng (Penang, MY)

Assignee: Intel Corporation

International Classification: G01R 31/28 (20060101)

Expiration Date: 8/31/12018