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:
Aug. 02, 1977
Filed:
Nov. 26, 1975
Applicant:
Inventors:
Ryuichi Tanaka, Maebashi, JA;
Satoshi Tajima, Takasaki, JA;
Akira Usami, Nagoya, JA;
Mitsutaka Yokoyama, Fuchu, JA;
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
250370 ; 357 63 ;
Abstract
An N/P type silicon solar cell is doped with copper and encased in an aluminum sheath to form a probe. A heavy metal foil means is inserted in the probe to accomplish a solid state ionization chamber of silicon PN-junction type.