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:
Feb. 06, 2007
Filed:
Aug. 29, 2003
Hiroyuki Kigami, Kanagawa, JP;
Manabu Tanimoto, Kanagawa, JP;
Noaki Nakajo, Kanagawa, JP;
Junichiro Iri, Kanagawa, JP;
Hiroyuki Kigami, Kanagawa, JP;
Manabu Tanimoto, Kanagawa, JP;
Noaki Nakajo, Kanagawa, JP;
Junichiro Iri, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is a manufacturing method of a liquid jet recording head which includes a forming step of forming a recess portion between a flexible film wiring board and a recording element board, a providing step of providing in the recess portion an electrical connecting portion for electrically connecting the flexible film wiring board and the recording element board, a membrane curing step of injecting first resin into the recess portion to cure the first resin in a membrane form, and a covering step of covering an upper portion of the electrical connecting portion and the first resin with second resin subsequent to the membrane curing step. The electrical connecting portion is protected against liquid droplets and the like, and its electrical reliability is improved.