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:
Oct. 12, 1999
Filed:
Dec. 23, 1996
Applicant:
Inventors:
Masao Mitani, Hitachinaka, JP;
Kenji Yamada, Hitachinaka, JP;
Katsunori Kawasumi, Hitachinaka, JP;
Osamu Machida, Hitachinaka, JP;
Kazuo Shimizu, Hitachinaka, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 62 ; 347204 ;
Abstract
An ink jet printing device including an ink channel wall defining an ink chamber; a nozzle portion formed with a nozzle connecting the ink chamber with atmosphere; and a thermal heater formed to the ink channel wall adjacent to the nozzle portion, the thermal heater including a Ta--Si--O ternary alloy thin film resistor having a composition of 64% .ltoreq.Ta.ltoreq.85%, 5%.ltoreq.Si.ltoreq.26%, and 6%.ltoreq.O.ltoreq.15% and a nickel film conductor.