公开(公告)号：US20210221133A1

公开(公告)日：2021-07-22

申请号：US16768041

申请日：2019-02-06

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

Inventor： James Michael GARDNER ,  Scott A. LINN ,  Michael W. CUMBIE ,  Anthony M. FULLER

IPC: B41J2/14 ,  B41J2/045

Abstract: A device includes a first column of contact pads. The device also includes a column of fluid actuation devices disposed longitudinally to the first column of contact pads.

公开(公告)号：US20210260872A1

公开(公告)日：2021-08-26

申请号：US16769921

申请日：2019-02-06

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

Inventor： Anthony M. FULLER ,  Daren L. FORREST ,  Michael W. CUMBIE ,  Michael GROOM ,  Conrad JENSSEN

IPC: B41J2/14 ,  B41J2/145

Abstract: A device includes a plurality of fluid ejection dies, wherein each of the fluid ejection dies includes a contact pad and a plurality of fluid actuation devices. The device includes an electrical interconnect element in contact with the contact pad of each of the fluid ejection dies to electrically interconnect the plurality of fluid ejection dies.

公开(公告)号：US20210229438A1

公开(公告)日：2021-07-29

申请号：US16769907

申请日：2019-02-06

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

Inventor： Chien-Hua CHEN ,  Christopher A. LEONARD ,  Anthony M. FULLER

IPC: B41J2/14 ,  B41J2/16

Abstract: A fluid ejection device includes a fluid ejection die including a first end portion positioned adjacent a first end of the fluid ejection die, and a fluid ejection portion positioned adjacent the first end portion. The fluid ejection die includes a contact pad positioned in the first end portion, and a fluid actuation device positioned in the fluid ejection portion. A carrier is attached to the fluid ejection die. The carrier includes a slot to provide fluid to the fluid actuation device. The slot extends longitudinally along the fluid ejection portion to a first slot end. A length from the first slot end to the first end of the fluid ejection die is less than 1.5 mm.