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:
Jan. 01, 1991
Filed:
Apr. 24, 1990
Applicant:
Inventors:
Bernard Poli, Saint Etienne, FR;
Gerard Chincholle, Saint Etienne, FR;
Assignee:
Recif, S.A., , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25S / ;
U.S. Cl.
CPC ...
294 641 ; 29743 ;
Abstract
A tip having a flattened part (1b) which has a suction gripping (1b2) at the end, which is raised very slightly to reduce the contact surface of the wafer and prevent it from touching the rest of the flattened part.