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. 07, 2023
Filed:
Dec. 29, 2021
Memjet Technology Limited, Dublin, IE;
Glenn Horrocks, North Ryde, AU;
Memjet Technology Limited, Dublin, IE;
Abstract
A printhead assembly includes: an ink manifold comprised of a first metal; printhead chips mounted on the ink manifold and receiving ink therefrom, each printhead chip having a plurality of bond pads; a PCB mounted on the ink manifold, the PCB having a plurality of contact pads; a plurality of wirebonds interconnecting the bond pads and the contact pads, the wirebonds being comprised of a second metal; an encapsulant material encapsulating the wirebonds, the bond pads and the contact pads; and a voltage source. The ink manifold and the wirebonds are electrically connectable to the voltage source to provide cathodic protection of the wirebonds.