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. 14, 2017
Filed:
Jun. 30, 2014
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Bradley D. Chung, Corvallis, OR (US);
Galen P. Cook, Albany, OR (US);
Michael H. Hayes, Corvallis, OR (US);
Adam L. Ghozeil, Corvallis, OR (US);
Chantelle Elizabeth Domingue, Corvallis, OR (US);
Valerie J. Marty, Corvallis, OR (US);
Anthony M. Fuller, Corvallis, OR (US);
Sterling Chaffins, Albany, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01); B41J 29/377 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14129 (2013.01); B41J 2/1603 (2013.01); B41J 2/1628 (2013.01); B41J 2/1631 (2013.01); B41J 29/377 (2013.01);
Abstract
A fluid ejection structure can include thermal resistors, a substrate, layers on the substrate, wherein said layers can include a region proximate to the resistor that has reduced field oxide.