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:
May. 02, 1989
Filed:
Feb. 08, 1988
Applicant:
Inventors:
Tsunenari Saito, Tokyo, JP;
Kazuyuki Ota, Chiba, JP;
Teruyasu Suzuki, Kanagawa, JP;
Keiji Honda, Aichi, JP;
Takahiko Yamakami, Mie, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
29613 ; 296101 ; 29620 ; 264 61 ;
Abstract
A method of manufacturing a resistor element, particularly one for use as an arc suppressing resistor in a cathode ray tube which consists in providing an arc suppressing resistor having a resistor core of predetermined resistance covered with an integral ceramic insulating layer, and baking the resistor in a vacuum atmosphere at a vacuum ranging from 1.times.10.sup.-3 Torr to 1.times.10.sup.-7 Torr, a temperature from 250.degree. to 500.degree. C. and a treatment time or more than 30 minutes.