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:
Dec. 03, 2019
Filed:
Oct. 03, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
On an element substrate having a multilayered structure in which a temperature detection element is provided in an intermediate layer of a wiring layer and a print element layer, a wiring layer and a temperature detection element formed on the first interlayer insulation film are connected by a first conductive plug which penetrates through the first interlayer insulation film. In addition, a wiring layer and a print element which are formed on the second interlayer insulation film formed on the first interlayer insulation film are connected by a second conductive plug which penetrates through the first and second interlayer insulation films. By manufacturing the element substrate by this arrangement, the thickness of an interlayer insulation film between a print element and a temperature detection element can be made thin, and the sensitivity of the temperature detection element can be improved.