Method of manufacturing page wide thermal ink-jet heads
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United States of America Patent
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Jun 15, 1993
Issued Date -
N/A
app pub date -
Dec 11, 1992
filing date -
Nov 8, 1991
priority date (Note) -
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Abstract
A new thermal ink jet print head designed to have a page wide length. A channel plate is made on a single piece of desired length, preferably the width of the paper being printed, by molding any material that can be molded. Subsequently, the channel plate is hardened to form a rigid structure. Due to the limitations of the silicon chip lengths, as a result of process yield, the heaters are made in plurality of chips and then the heater chips are precisely diced and bonded to the channel plate.
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