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:
Oct. 15, 1985
Filed:
Apr. 13, 1984
Applicant:
Inventors:
Toshiaki Hamaguchi, Yokohama, JP;
Kazuhira Namikawa, Yokohama, JP;
Toshikazu Goshima, Sagamihara, JP;
Mutsuaki Nakamura, Yokohama, JP;
Akio Kuroda, Yokohama, JP;
Yoshiaki Kudo, Tokyo, JP;
Assignees:
Victor Company of Japan, Ltd., both of, JP;
Shin-Etsu Chemical Co., Ltd., both of, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524269 ; 252511 ; 369286 ;
Abstract
A high density information record of the electrostatic capacitance type which comprises a record substrate on which signal information is recorded as geometric variations. The substrate is made of a conductive resin composition comprising a thermoplastic resin, a conductive material, and a defined amount of a specific type of dimethylpolysiloxane lubricant having a degree of inhomogeneity of 1.0 to 1.3 and a degree of polymerization of 12 to 60.