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:
May. 19, 1981
Filed:
Mar. 26, 1980
Applicant:
Inventors:
Masataka Uchidoi, Tokorozawa, JP;
Kiyonori Iwama, Tokorozawa, JP;
Tsutomu Iwamoto, Tokorozawa, JP;
Junichi Sako, Suita, JP;
Yoshihide Higashihata, Settsu, JP;
Assignees:
Pioneer Electronic Corporation, Tokyo, JP;
Daikin Kogyo Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; H01L / ;
U.S. Cl.
CPC ...
526255 ; 1791 / ; 264 22 ; 307400 ; 310800 ; 428421 ; 526242 ; 526250 ;
Abstract
A process for preparation of a polymeric piezo-electric material and material prepared by said process are described, wherein said process comprises polarizing a polymeric piezo-electric material by a polarization treatment which comprises