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. 10, 1995
Filed:
Jul. 12, 1994
Applicant:
Inventors:
Noel S Poduje, Needham Heights, MA (US);
Roy S Mallory, Bedford, MA (US);
Assignee:
ADE Corporation, Newton, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
414225 ; 4147446 ; 4147445 ; 414749 ; 414786 ; 901-6 ; 901 15 ;
Abstract
An alignment station for elements such as semiconductor wafers on a robot arm uses a rotating support and edge detector which in combination are operative to place a wafer on the rotating support, detect wafer alignment, move the wafer to bring it into alignment either on the rotating support itself or onto a separate station.