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:
Sep. 18, 2001
Filed:
Apr. 18, 2000
Applicant:
Inventors:
Kurt Stark, Berg, CH;
Markus Keller, Sulgen, CH;
Assignee:
Alphasem AG, Berg, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/144 ;
Abstract
Semiconductor wafers are glued onto a carrier foil which is stretched across a frame. Instead of restretching the carrier foil directly at a processing machine, the foil is restretched on an adapter frame which can be stored and then later manipulated in the processing machine. The adapter frame includes a clamping ring, a base ring, and a threaded ring which secures the carrier foil.
Stark, Kurt. (2001). Method and device for processing a flat workpiece, especially a semiconductor wafer (U.S. Patent No. 6291261). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6291261
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile