Liquid ejection head, liquid ejection head cartridge, printing apparatus, printing system and fabrication process of liquid ejection head
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 2000
Grant Date -
N/A
app pub date -
Jul 25, 1997
filing date -
Jul 31, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
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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