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公开(公告)号：DE69815470T2
公开(公告)日：2004-01-15
申请号：DE69815470
申请日：1998-11-13
Applicant: CANON KK
Inventor： KOYAMA SHUJI , KITANI MASAHIRI , MORI TOSHIHIRO , OZAKI TERUO , KUBOTA MASAHIKO
Abstract: An ink jet recording head is provided with a heat-generating resistance layer for generating thermal energy used for ink discharge, and a wiring electrode layer electrically connected to the heat-generating resistance layer, also provided on a substrate with an electro-thermal converting element, an insulating protective layer covering the electro-thermal converting element, and an external electrical connection portion electrically connected to the electro-thermal converting element and to be adhered to an external wiring for applying a voltage to the electro-thermal converting element. Further, the external electrical connection portion is formed by a film grown by electroless plating from the wiring electrode layer through a through hole formed in the insulating protective layer.
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公开(公告)号：DE69815470D1
公开(公告)日：2003-07-17
申请号：DE69815470
申请日：1998-11-13
Applicant: CANON KK
Inventor： KOYAMA SHUJI , KITANI MASAHIRI , MORI TOSHIHIRO , OZAKI TERUO , KUBOTA MASAHIKO
Abstract: An ink jet recording head is provided with a heat-generating resistance layer for generating thermal energy used for ink discharge, and a wiring electrode layer electrically connected to the heat-generating resistance layer, also provided on a substrate with an electro-thermal converting element, an insulating protective layer covering the electro-thermal converting element, and an external electrical connection portion electrically connected to the electro-thermal converting element and to be adhered to an external wiring for applying a voltage to the electro-thermal converting element. Further, the external electrical connection portion is formed by a film grown by electroless plating from the wiring electrode layer through a through hole formed in the insulating protective layer.
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