The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Oct. 19, 1998
Applicant:
Inventors:
John Zenon G. Vallinan, Singapore, SG;
Chee-Keong Tan, Singapore, SG;
Assignee:
ST Assembly Test Services Pte, Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/04 ;
U.S. Cl.
CPC ...
G01R 1/04 ;
Abstract
An apparatus for quickly and reliably aligning a semiconductor handling apparatus with a semiconductor tester. Two docking plates are attached, one to the device handler and one to the device tester. On the docking plates a substructure is mounted which first allows initial alignment of the handler plate with the test head plate after which the substructure provides the means of securely positioning and interlocking the handler plate with the test head.