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:
Apr. 09, 1996
Filed:
Dec. 06, 1994
Applicant:
Inventors:
Kwang Soo Yoo, Seoul, KR;
Hyung Jin Jung, Seoul, KR;
Han Sang Song, Seoul, KR;
Hyun Nam Cho, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; H01B / ;
U.S. Cl.
CPC ...
252 / ; 2641761 ; 2641771 ;
Abstract
There are a piezoelectric ceramics-polymer composite material and a method for the preparation of the same which comprises 10 to 60% by volume of silane-coated PZT piezoelectric ceramics powder based on the total volume of the composition; at most 3% by volume of carbon powder based on the total volume of the composition; and balance volume of PVdF piezoelectric polymer.