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:
Sep. 15, 2015
Filed:
Apr. 29, 2011
David Bernard, Lexington, KY (US);
Andrew Mcnees, Lexington, KY (US);
James Mrvos, Lexington, KY (US);
David Bernard, Lexington, KY (US);
Andrew McNees, Lexington, KY (US);
James Mrvos, Lexington, KY (US);
Funai Electric Co., Ltd., , JP;
Abstract
A method for fabricating an ejection chip of a fluid ejection device includes forming a drive circuitry layer on a substrate, fabricating at least one fluid ejection element on the substrate, forming at least one slot within a top portion of the substrate, filling each slot of the at least one slot with a protective material, grinding the substrate from a bottom portion of the substrate up to a predetermined height, removing the protective material from the each slot of the at least one slot, and laminating a flow feature layer and a nozzle plate over the substrate having the at least one slot.