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:
Mar. 01, 1994
Filed:
Oct. 15, 1992
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
367140 ; 310324 ; 310348 ; 381190 ;
Abstract
Disclosed herein is a piezoelectric sounding body comprising a piezoelectric substrate, an electrode film provided on its surface and a vibrating plate provided on the electrode film through an adhesion layer so as to conduct with the electrode film. The adhesion layer is prepared from an ultraviolet setting type anaerobic adhesive containing 0.1 to 1.0 percent by weight of carbon particles of 1.0 to 20.0 .mu.m in mean particle diameter.