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EP0177932A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Liquid jet recording head

Assignee: Canon Inc
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Filing: 1985-10-08
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Granted: —
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Expires: 2005-10-08
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Abstract

Abstract A liquid jet recording head comprises an ejection port for ejecting liquid and a liquid path having said ejection port, a part of the wall constituting the liquid path being composed of a photosensitive resin cured film, and the pencil hardness of the photosensitive resin cured film is H or higher.

Inventors

  • 👤 Tadayoshi Inamoto

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-10 01:29
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/16; B41J2/1621; B41J2/164; B41J2/1645; B41J2/1601; B41J2/1604; B41J2/1607; B41J2/1631; B41J2/1632; B41J2/14; B41J2002/14379

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 52 words
A liquid jet recording head which comprises an ejection port for ejecting liquid and a liquid path having said ejection port, a part of the wall constituting the liquid path being composed of a photosenstitive resin cured film, and the pencil hardness of the photosensitive resin cured film is H or higher.
Claim 2
Dependent Claim 52 words
A liquid jet recording head which comprises an ejection port for ejecting liquid and a liquid path having said ejection port, a part of the wall constituting the liquid path being composed of a photosenstitive resin cured film, and the pencil hardness of the photosensitive resin cured film is H or higher.
Claim 3
Dependent Claim 31 words
A liquid jet recording head according to claim 1 in which an ejection energy generating member for generating an energy for ejecting the liquid is provided corresponding to the ejection port.
Claim 4
Dependent Claim 22 words
A liquid jet recording head according to claim 2 in which the ejection energy generating member is provided in the liquid path.
Claim 5
Dependent Claim 19 words
A liquid jet recording head according to claim 2 in which a plurality of the ejection ports are provided.
Claim 6
Dependent Claim 28 words
A liquid jet recording head according to claim 4 in which a plurality of the liquid paths are provided, and the liquid paths correspond to repective ejection ports.
Claim 7
Dependent Claim 23 words
A liquid jet recording head according to claim 4 in which the liquid paths are a liquid chamber common to respective ejection port.
Claim 8
Dependent Claim 20 words
A liquid jet recording head according to claim 2 in which the ejection energy generating member is an electrothermal transducer.
Claim 9
Dependent Claim 20 words
A liquid jet recording head according to claim 2 in which the ejection energy generating member is an electromechanical transducer.

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