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:
Dec. 12, 2000
Filed:
Nov. 18, 1997
Tse-Chi Mou, Hsinchu, TW;
Yee-Shyi Chang, Hsinchu, TW;
Arnold Chang-Mou Yang, Hsinchu, TW;
Chin-Yi Chou, Hsinchu, TW;
Kou-Yow Tseng, Hsinchu, TW;
Ying-Lun Chang, Hsinchu, TW;
Shiang-Ching Cheng, Hsinchu, TW;
Hung-Chun Tsai, Hsinchu, TW;
Microjet Technology Co., Inc., Hsinchu, TW;
Abstract
A manufacturing process and a structure for an ink jet printhead with high quality, yield rate, and performance are provided. The process includes steps of: a) providing a substrate, b) forming a dielectric layer over the substrate, c) forming a resistor over the dielectric layer, d) forming a conducting layer over a portion of the resistor, e) forming a passivation over a portion of the conducting layer and another portion of the resistor not covered by the conducting layer, f) forming a hole over the passivation for storing an ink, and g) forming a nozzle over the hole for ejecting therethrough the ink.