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. 11, 1990
Filed:
Feb. 13, 1990
Applicant:
Inventors:
Assignee:
Licentia Patent-Verwaltungs GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 30 ; 357-2 ; 357 55 ; 357 59 ; 357 58 ; 136256 ;
Abstract
A thin film solar cell with an n-i-p structure has a roughened substrate surface, and, to achieve an improved fill factor, the substrate surface of the solar cell is a multiply concave surface and has no sharp points.