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:
Apr. 12, 2011
Filed:
Dec. 18, 2007
Yimin Guan, Lexington, KY (US);
Kristi Maggard Rowe, Richmond, KY (US);
Timothy Lowell Strunk, Georgetown, KY (US);
Carl Edmond Sullivan, Stamping Ground, KY (US);
Yimin Guan, Lexington, KY (US);
Kristi Maggard Rowe, Richmond, KY (US);
Timothy Lowell Strunk, Georgetown, KY (US);
Carl Edmond Sullivan, Stamping Ground, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A silicon chip has a plurality of ink jetting structures. Each ink jetting structure of the plurality of ink jetting structures includes a heater stack having an electrical heater element. A power transistor is electrically connected to the electrical heater element. A planarization layer is interposed between the power transistor and the heater stack. The planarization layer has a planar base surface on which the heater stack is formed.