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:
Sep. 05, 2000
Filed:
Jun. 24, 1998
Applicant:
Inventors:
Seiichi Tajima, Urawa, JP;
Takahito Kiriyama, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310312 ; 310366 ;
Abstract
A piezoelectric component having resonance characteristics adjusted to a high degree of accuracy is provided. A piezoelectric substrate is provided with a resonating part. A deposit is added onto a surface of the resonating part and is provided with a plurality of indented portions at its surface enclosed by outer edges. The deposit is constituted of a resin which may contain a carbon filler. The indented portions are formed through laser machining.