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:
Oct. 13, 2009
Filed:
Jun. 30, 2006
Toru Kanda, Kanagawa, JP;
Toru Kanda, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In spite of relative deformation between a printing element substrate and a supporting member due to a change in temperature of a printing head, the printing quality is stabilized, and the printing head is not damaged. In detail, as the temperature of the supporting member and the printing element substrate, which are adhered to and fixed to each other in an expanded state, falls to the room temperature, the supporting member contracts significantly more than the printing element substrate, and a stress relation is caused to be present between the respective members. At this time, ribs are deformed in the direction of widening the ribs, which is the direction toward the outside of the printing element substrate, whereby the above-described difference in deformation can be absorbed, and influence on the printing element substrate can be relieved.