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:
Oct. 02, 1990
Filed:
Dec. 20, 1988
Applicant:
Inventor:
Masayuki Moroi, Tsuchiura, JP;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
294 641 ; 294 864 ; 901 40 ; 901 45 ; 29743 ;
Abstract
The invention is a device for picking-up a semiconductor wafer without using the edges of the wafer thereby eliminating stress to the wafer. The picker moves up and down within a robotic arm and comes to rest in the same location each time through the use of tapered posts.