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. 24, 1995
Filed:
Aug. 24, 1993
Applicant:
Inventors:
James A Johnson, Leroy, NY (US);
Madhav Mehra, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430321 ; 156643 ; 437228 ;
Abstract
A method of forming a planarized layer on a CCD device to permit a lens array to be formed which includes etching a B.sub.2 O.sub.3 layer provided on a conformally coated SiO.sub.2 layer until a sufficient amount of the deposited B.sub.2 O.sub.3 layer is removed to provide a planarized surface.