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. 27, 1990
Filed:
Feb. 05, 1988
Applicant:
Inventors:
Syunzi Nakai, Moriguchi, JP;
Hiroshi Ishii, Kashihara, JP;
Kazutaka Abe, Tenri, JP;
Yukihiro Mizumoto, Tenri, JP;
Fumihiko Takemoto, Tenri, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ; H05B / ;
U.S. Cl.
CPC ...
346 / ; 346155 ; 219216 ; 338309 ;
Abstract
A recording head for a printer is manufactured by printing a thick film of paste containing an electrode material such as tungsten on a ceramic substrate with hardness nearly equal to or less than that of tungsten and firing the substrate and the film simultaneously in a single process.