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. 27, 2018
Filed:
Oct. 30, 2014
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Laurie A Coventry, Corvallis, OR (US);
Rodney L Alley, Corvallis, OR (US);
David R Thomas, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1601 (2013.01); B41J 2/14129 (2013.01); B41J 2/1623 (2013.01); B41J 2/1753 (2013.01); B41J 2/17546 (2013.01); B41J 2/14024 (2013.01); B41J 2202/20 (2013.01); B41J 2202/22 (2013.01);
Abstract
Printing apparatus and methods of producing such a device are disclosed. An example printhead die includes a first resistor () to cause fluid to be ejected out of a first nozzle () and a second resistor () to cause fluid to be ejected out of a second nozzle (). The example printhead die also includes a first cavitation plate () to cover the first resistor () and a second cavitation plate () to cover the second resistor (), the first cavitation plate () spaced from the second cavitation plate ().