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. 24, 1993
Filed:
Apr. 24, 1992
Applicant:
Inventor:
Vladimir W Volovich, San Jose, CA (US);
Assignee:
Cybeq Systems, Inc., Menlo Park, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
414779 ; 356400 ;
Abstract
A prealigner for semiconductive wafers is described. The prealigner includes mechanism for holding the wafer in a non-slip manner and motive means for adjusting the position of its engagement with the wafer as necessary to make the geometric center of the wafer precisely coincident with a chosen position.