CA2209749A1 - Liquid discharging head and liquid discharging device - Google Patents

Liquid discharging head and liquid discharging device

Info

Publication number
CA2209749A1
CA2209749A1 CA 2209749 CA2209749A CA2209749A1 CA 2209749 A1 CA2209749 A1 CA 2209749A1 CA 2209749 CA2209749 CA 2209749 CA 2209749 A CA2209749 A CA 2209749A CA 2209749 A1 CA2209749 A1 CA 2209749A1
Authority
CA
Canada
Prior art keywords
bubble
liquid
region
liquid discharging
generation region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2209749
Other languages
French (fr)
Other versions
CA2209749C (en
Inventor
Aya Yoshihira
Hiroyuki Ishinaga
Toshio Kashino
Kiyomitsu Kudo
Yoshie Asakawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CA2209749A1 publication Critical patent/CA2209749A1/en
Application granted granted Critical
Publication of CA2209749C publication Critical patent/CA2209749C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • B41J2/14016—Structure of bubble jet print heads
    • B41J2/14032—Structure of the pressure chamber
    • B41J2/14048—Movable member in the chamber

Abstract

A liquid discharging head comprising a discharge opening for discharging a liquid, a bubble generation region for generating a bubble by applying heat to the liquid by a heat generating member, and a movable member so positioned as to face the bubble generation region and arranged as displaceable between a first position and a second position more distant from the bubble generation region than the first position, the movable member being displaced from the first position to the second position by pressure based on generation of the bubble in the bubble generation region and the bubble being made to expand more downstream than upstream with respect to a direction toward the discharge opening by displacement of the movable member, thereby discharging the liquid, wherein in the heat generating member there exists a bubbling region involved in the generation of bubble, centers of widths of the heat generating member and an effective bubbling region with respect to a flow direction of the liquid are identical, and conditions of the bubble generation region are given as follows:
the width of the effective bubbling region ~ the width of the bubble generation region ~ the width of the heat generating member.
CA 2209749 1996-07-05 1997-07-07 Liquid discharging head and liquid discharging device Expired - Fee Related CA2209749C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP17666196 1996-07-05
JP8-176661 1996-07-05
JP9-179475 1997-07-04
JP17947597A JP3372826B2 (en) 1996-07-05 1997-07-04 Liquid ejection head and liquid ejection device

Publications (2)

Publication Number Publication Date
CA2209749A1 true CA2209749A1 (en) 1998-01-05
CA2209749C CA2209749C (en) 2003-11-04

Family

ID=26497494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2209749 Expired - Fee Related CA2209749C (en) 1996-07-05 1997-07-07 Liquid discharging head and liquid discharging device

Country Status (5)

Country Link
EP (1) EP0816092A3 (en)
JP (1) JP3372826B2 (en)
CN (1) CN1083339C (en)
AU (1) AU736931B2 (en)
CA (1) CA2209749C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107586557A (en) * 2017-09-12 2018-01-16 四川博蓝科新材料有限公司 A kind of processing method for reducing viscosity of crude
JP7277177B2 (en) * 2019-02-28 2023-05-18 キヤノン株式会社 ULTRA FINE BUBBLE GENERATOR AND ULTRA FINE BUBBLE GENERATION METHOD

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124189A (en) * 1974-08-21 1976-02-26 Suwa Seikosha Kk ATSUMISUBERISUISHOSHINDOSHI
US4638337A (en) * 1985-08-02 1987-01-20 Xerox Corporation Thermal ink jet printhead
US4774530A (en) * 1987-11-02 1988-09-27 Xerox Corporation Ink jet printhead
JPH05124189A (en) * 1991-11-01 1993-05-21 Matsushita Electric Ind Co Ltd Ink discharge device
US5278585A (en) * 1992-05-28 1994-01-11 Xerox Corporation Ink jet printhead with ink flow directing valves
US5821962A (en) * 1995-06-02 1998-10-13 Canon Kabushiki Kaisha Liquid ejection apparatus and method

Also Published As

Publication number Publication date
CN1083339C (en) 2002-04-24
CN1178166A (en) 1998-04-08
AU736931B2 (en) 2001-08-09
CA2209749C (en) 2003-11-04
AU2850197A (en) 1998-01-15
EP0816092A2 (en) 1998-01-07
EP0816092A3 (en) 1998-12-09
JPH1071719A (en) 1998-03-17
JP3372826B2 (en) 2003-02-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed