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:
Jun. 11, 2002
Filed:
Oct. 29, 1998
Applicant:
Inventors:
Todd A. Cleland, Corvallis, OR (US);
Rio Rivas, Corvallis, OR (US);
David Pidwerbecki, Corvallis, OR (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/145 ; B41J 2/15 ; B41J 2/14 ; B41J 2/16 ;
U.S. Cl.
CPC ...
B41J 2/145 ; B41J 2/15 ; B41J 2/14 ; B41J 2/16 ;
Abstract
A high resolution printer includes a printhead having optimized features including 12 to 14 micron diameter orifices spaced apart from adjacent orifices by a distance of between 76 to 94 microns. The orifice plate is electroformed and plated to a thickness ranging from 20 to 25 microns. A polymeric barrier layer secures the orifice plate to a printhead substrate.