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:
Dec. 04, 1984
Filed:
Aug. 17, 1983
Applicant:
Inventors:
Mitsuo Nakatani, Yokohama, JP;
Haruhiko Matsuyama, Hiratsuka, JP;
Masaaki Okunaka, Fujisawa, JP;
Hitoshi Yokono, Fujisawa, JP;
Tokio Isogai, Katsuta, JP;
Tadashi Saitoh, Tokyo, JP;
Sumiyuki Midorikawa, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
75252 ; 252514 ;
Abstract
An electrode material for semi-conductor device such as solar cells comprises Ag powders, at least one metal of zirconium, hafnium, vanadium, niobium, and tantalum, an organic binder, and an organic solvent, and, if necessary, glass, Pd powders and Pt powders. The electrodes are prepared from the electrode material by printing, drying and firing at a low temperature and have a low contact resistance without any junction breakage or increase in leak current.