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:
Mar. 09, 2004
Filed:
Dec. 27, 2001
Applicant:
Inventors:
Chen-Hua Lin, Yunlin Hsien, TW;
Ching-Yu Chou, Taipei, TW;
Ming-Hsun Yang, Taipei, TW;
Arnold Chang-Mou Yang, San Jose, CA (US);
Assignee:
Nanodynamics, Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/700 ; B41J 2/045 ;
U.S. Cl.
CPC ...
H04R 1/700 ; B41J 2/045 ;
Abstract
An ink cartridge having a piezoelectric jet module has an ink storage module having a hollow ink storage region, a piezoelectric jet module having a plurality of ink chambers and a connection circuit, and an ink channel connected to the ink storage module and to the piezoelectric jet module. The piezoelectric inkjet printhead has a bottom film and chamber walls which are obtained by applying a photosensitive polymer on a substrate on which a piezoelectric layer has been formed and carrying out photolithography.