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Title:
液体吐出ヘッドおよび液体吐出装置
Document Type and Number:
Japanese Patent JP6498252
Kind Code:
B2
Abstract:
Provided is a liquid ejection head and a liquid ejection apparatus, the liquid ejection head comprising: an ejection opening row along a first direction; a pressure chamber with a print-element; a passage communicating with the pressure chamber; a supply opening row along the first direction with supply openings extending in a second direction to supply liquid to the passage; a collection openingrow along the first direction with collection openings extending in the second direction to collect a liquid from the passage; a first common supply passage along the first direction to supply a liquid to the supply opening row; a first common collection passage along the first direction to collect a liquid from the collection opening row; a first supply side communication opening extending in thesecond direction to supply a liquid to the first common supply passage; and a first collection side communication opening extending in the second direction to collect a liquid from the first common collection passage, wherein at least one of the first supply side communication opening and the first collection side communication opening is provided at a plurality of positions.

Inventors:
Okushima Shingo
Seiichiro Karita
Takatsuna Aoki
Nagai
Eisuke Nishitani
Tomomi Komamiya
Application Number:
JP2017197658A
Publication Date:
April 10, 2019
Filing Date:
October 11, 2017
Export Citation:
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Assignee:
Canon Inc
International Classes:
B41J2/14; B41J2/155; B41J2/18
Domestic Patent References:
JP2002533247A
JP2015051569A
JP2009179049A
JP2008173955A
Foreign References:
US20080204533
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office