Liquid ejection head, liquid ejection head cartridge, printing a

Details Liquid ejection head, liquid ejection head cartridge, printing a Liquid ejection head, liquid ejection head cartridge, printing a

1997-07-25

2000-07-04

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 58, B41J 214

Patent

active

060846127

ABSTRACT:
A liquid ejection head includes a head chip having a plurality of ejection openings, ejection energy generating means for ejecting a liquid from the ejection openings, and a liquid chamber communicated with the ejection openings and being supplied a liquid, an electrical wiring substrate formed with a chip installation hole arranged wherein the head chip, a plurality of lead terminals projecting into the chip installation hole of the electrical wiring substrate and being connected to the head chip for supplying electric power to the ejection energy generating means, and a sealing material layer sealing connecting portion between the lead terminals and the head chip and formed over the electrical wiring substrate and the head chip, and a resin catching portion being provided in a gap between the chip installation hole and the head chip for receiving the seal resin for achieving high strength of the connecting portion between the head chip and the electric wiring substrate, and to achieve good seal.

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