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:
Feb. 13, 1979
Filed:
Mar. 01, 1977
Applicant:
Inventors:
Yoshimi Yoshino, Yokohama, JP;
Nobuyuki Sugishita, Yokosuka, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338308 ; 338309 ; 338314 ;
Abstract
A glas-coated thick film resistor can be obtained by coating completely with a crystallizable glass having a crystallizing temperature of 400 to 600.degree. C and consisting of 62 to 80% by weight of PbO, 5 to 31% by weight of ZnO, 5 to 18% by weight of B.sub.2 O.sub.3, 0.2 to 8% by weight of Al.sub.2 O.sub.3 and 1 to 5% by weight of SiO.sub.2.
Yoshino, Yoshimi. (1979). Glass-coated thick film resistor (U.S. Patent No. 4139832). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4139832
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile