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:
May. 24, 2005
Filed:
Sep. 15, 2003
Kyota Miyazaki, Tokyo, JP;
Toshiaki Hirosawa, Kanagawa, JP;
Osamu Morita, Kanagawa, JP;
Osamu Sato, Kanagawa, JP;
Kenta Udagawa, Kanagawa, JP;
Shuzo Iwanaga, Kanagawa, JP;
Kyota Miyazaki, Tokyo, JP;
Toshiaki Hirosawa, Kanagawa, JP;
Osamu Morita, Kanagawa, JP;
Osamu Sato, Kanagawa, JP;
Kenta Udagawa, Kanagawa, JP;
Shuzo Iwanaga, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head has a plurality of discharge energy generating devices for discharging recording liquid; a recording element base plate arranged on the face opposite the surface where the devices are arranged, having a plurality of recording liquid supply ports for supplying recording liquid to the devices; and a supporting member that holds and fixes the recording element base plate. For the supporting member, a plurality of recording liquid supply paths are arranged to supply recording liquid to the supply ports of the recording element base plate, respectively, and the width of the supply paths is formed to be smaller than the opening width of the inlet portions of the supply ports. Further, stepped portions created between the respective supply paths and supply ports are buried by a bonding agent forced out from the bonding face of the recording element base plate and the supporting member.