Liquid discharge head
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United States of America Patent
Stats
-
Dec 9, 2003
Grant Date -
Dec 26, 2002
app pub date -
Jun 6, 2002
filing date -
Jun 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid discharge head has an element base plate provided with a plurality of heat generating members and electrode wiring formed by thin-filmed electrode and common thick-filmed electrode for applying driving signals to the heat generating members, and with the structure arranged to form a flow path structural member to constitute discharge ports and liquid flow paths corresponding to each of the heat generating members, the common thick-filmed electrode is covered and sealed by the flow path structural member, and then, the driving IC assembled on an IC assembling and others are sealed by use of sealant, hence making it possible to secure the sealing capability, while making the distance between the common thick-filmed electrode and the driving IC smaller for the effective utilization of the area of the base plate. Thus, the element base plate can be made smaller.
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