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:
Nov. 30, 1993
Filed:
Oct. 17, 1991
Applicant:
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
29 2535 ; 310344 ;
Abstract
The invention relates to a piezoelectric oscillator wherein a case and a stem are coated with a solder containing 90% and higher of lead, an inner lead is also coated with the solder thereby fixing a piece of piezoelectric oscillator by melting the solder. The invention further relates to a piezoelectric oscillator wherein the piezoelectric oscillator is performed casing by resin or metallic plate, and to a piezoelectric oscillating apparatus wherein IC and a piezoelectric oscillator are internally mold to achieve a molding of high efficiency without inferiority while surface mounting.