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.

Date of Patent:
Aug. 31, 2010

Filed:

Sep. 28, 2006
Applicants:

Robert Wilson Cornell, Lexington, KY (US);

Michael John Dixon, Richmond, KY (US);

Curtis Ray Droege, Richmond, KY (US);

Elios Klemo, Lexington, KY (US);

Bryan Dale Mckinley, Lexington, KY (US);

Inventors:

Robert Wilson Cornell, Lexington, KY (US);

Michael John Dixon, Richmond, KY (US);

Curtis Ray Droege, Richmond, KY (US);

Elios Klemo, Lexington, KY (US);

Bryan Dale McKinley, Lexington, KY (US);

Assignee:

Lexmark International, Inc., Lexington, KY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods for fabricating micro-fluid ejection heads and micro-fluid ejection heads are provided herein, such as those that use non-conventional substrates. One such micro-fluid ejection head includes a substrate having first and second glass layers disposed adjacent to a surface thereof and a plurality of fluid ejection actuators disposed adjacent to the second glass layer. The first glass layer is thicker than the second glass layer and the second glass layer has a surface roughness of no greater than about 75 Å Ra.


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