Ink jet recording head having a common wiring structure and ink jet recording apparatus
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United States of America Patent
Stats
-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Dec 22, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ink jet recording apparatus includes an ink jet recording head as an essential component, and the ink jet recording head has a wiring structure which assures that a quantity of electricity loss induced by wiring resistance can be reduced. A plurality of substantially rectangular heaters 2 are formed at the positions in the vicinity of one end edge 1a of a device substrate 1 while they are arranged in an array in parallel with the one end edge 1a of the device substrate 1 with a predetermined distance held between adjacent heaters 2. Each heater 2 is composed of heaters 2a and 2b in the form of a pair. A common wiring portion 3 made of a metallic material such as aluminum or the like is formed between a pair of heaters 2, and it is electrically connected to electrodes of the heaters 2 on one side of the latter on the common basis. In addition, separated wiring portions 4 each made of a metallic material such as aluminum or a similar material are formed on electrodes of the heaters 2 on the opposite side to the foregoing one.
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