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:
Apr. 01, 1986
Filed:
Nov. 14, 1983
Applicant:
Inventors:
Henry Windischmann, Huntington, CT (US);
W D Buckley, Easton, CT (US);
Assignee:
The Perkin-Elmer Corporation, Norwalk, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; G03F / ;
U.S. Cl.
CPC ...
156160 ; 156163 ; 156229 ; 156297 ; 156267 ; 378 35 ; 428214 ; 430-5 ; 430966 ; 430967 ;
Abstract
A method for tensioning a thin film on a support ring to achieve an optically flat membrane. The support ring is optically flat with a slight bevel at its outside edge where the membrane is epoxied to the support ring.