The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2005
Filed:
Nov. 13, 2001
Shogo Kawamura, Numazu, JP;
Yasutomo Watanabe, Hiratsuka, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Riichi Saito, Fujisawa, JP;
Shogo Kawamura, Numazu, JP;
Yasutomo Watanabe, Hiratsuka, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Riichi Saito, Fujisawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for manufacturing an ink jet recording head, which is provided with a recording elemental substrate having discharge port group for discharging ink, an electric wiring substrate electrically connected with the recording elemental substrate, and a supporting member for holding and fixing the recording elemental substrate and the electrical wiring substrate, comprises the steps of injecting thermohardening filler into a filler retaining portion communicated with the sealing area requiring sealing; filling the area with the thermohardening filler injected into the filler retaining portion by heating the filler to flow; and hardening the filled thermohardening filler. With the structure thus arranged, it is possible to eliminate any electrical and structural defects in order to materialize a highly reliable and compact ink jet recording head.