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:
Jun. 06, 1995
Filed:
Mar. 01, 1993
Applicant:
Inventors:
Nobuyuki Ishikawa, Yokohama, JP;
Keishi Saito, Nagahama, JP;
Soichiro Kawakami, Hikone, JP;
Jinsho Matsuyama, Nagahama, JP;
Toshimitsu Kariya, Nagahama, JP;
Yuzo Kouda, Nagahama, JP;
Naoto Okada, Nagahama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
136256 ; 136258 ; 136259 ; 257436 ;
Abstract
A photovoltaic device having a semiconductor layer; front and back electrodes; and a surface protection layer adjacent to the light incident side, wherein granules of a material different from that of the surface protection layer are disposed in the surface protection layer.