公开(公告)号：US10814629B2

公开(公告)日：2020-10-27

申请号：US16305528

申请日：2016-09-19

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Anthony M Fuller ,  Terry McMahon ,  Donald W Schulte

IPC: B41J2/14 ,  B41J2/155

Abstract: In one example in accordance with the present disclosure, a fluid ejection device is described. The fluid ejection device includes a substrate and a number of nozzles formed within the substrate to eject fluid. A number of bond pads are disposed on the substrate and are electrically coupled to the number of rows of nozzles. A termination ring is disposed on the substrate and surrounds the rows of nozzles. The termination ring includes a first metallic layer that is an enclosed shape and a second metallic layer that is disposed on top of the first metallic layer. The second metallic layer includes a gap positioned adjacent the number of bond pads.

公开(公告)号：US10752015B2

公开(公告)日：2020-08-25

申请号：US16323219

申请日：2016-10-20

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Reynaldo V Villavelez ,  Terry McMahon ,  Donald W Schulte

IPC: B41J2/345 ,  B41J2/335

Abstract: In some examples, a heater assembly for a pattern forming system includes a support, and heating elements mounted on the support, where the heating elements are to, in response to activation of the heating element, produce heat directed towards a target to form a pattern on the target. A heat sink is thermally connected to the heating elements and comprising a pattern of heat dissipation surfaces comprising channels to dissipate heat produced by the heating elements.

公开(公告)号：US20180222181A1

公开(公告)日：2018-08-09

申请号：US15747688

申请日：2015-10-08

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Stanley J. Wang ,  Terry McMahon ,  Mohammed S. Shaarawi ,  Donald W. Schulte

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/04541 ,  B41J2/04508 ,  B41J2/0451 ,  B41J2/0455 ,  B41J2/0458 ,  B41J2/14072 ,  B41J2/16517 ,  B41J2/2139

Abstract: A system for isolating a failed resistor in a liquid dispensing system including a fusible links described. The system includes drive circuitry to drive a voltage supply to a resistor. The fusible link is disposed between a field effect transistor (FET) and the resistor. The fusible link is to fuse apart upon failure of the resistor.