JPS57201665A - Ink jet device - Google Patents

Ink jet device

Info

Publication number
JPS57201665A
JPS57201665A JP8576181A JP8576181A JPS57201665A JP S57201665 A JPS57201665 A JP S57201665A JP 8576181 A JP8576181 A JP 8576181A JP 8576181 A JP8576181 A JP 8576181A JP S57201665 A JPS57201665 A JP S57201665A
Authority
JP
Japan
Prior art keywords
pressure chamber
width
piezoelectric vibrator
chamber wall
recessed
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.)
Pending
Application number
JP8576181A
Other languages
Japanese (ja)
Inventor
Hiroyasu Uchida
Norikazu Nakamura
Tamio Ishihara
Yutaka Kaneko
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8576181A priority Critical patent/JPS57201665A/en
Publication of JPS57201665A publication Critical patent/JPS57201665A/en
Pending 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
    • B41J2/14201—Structure of print heads with piezoelectric elements
    • B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/11—Embodiments of or processes related to ink-jet heads characterised by specific geometrical characteristics

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

PURPOSE:To reduce the variation of ink droplet jetting characteristic by such an arrangement wherein a rectangular recessed part is formed on a substrate corresponding to a pressure chamber and the width of both sides of the recessed part in its longitudinal direction is made substantially the same as the width of the edge of a piezoelectric vibrator and the vibrator is adhered to inside the recessed pant. CONSTITUTION:On a substate 31, a pressure chamber 33 is formed by photoetching method, etc., and on the back of the substrate 31 in the place where a piezoelectric vibrator 35 is to be adhered to, a small recessed adhesion hole 31a is formed at a position accurately corresponding to the pressure chamber 33, and at the same time a pressure chamber wall 33a is also formed. The ratio, bp/bi between the width, bp, of the piezoelectric vibrator 35 and the width, bi, of the pressure chamber wall is set at such value that makes the efficiency of electricity-machine conversion the largest, and the piezoelectric vibrator 35 is positioned only by both sides of the adhesion hole 31a in its longitudinal direction and it is integrated with the pressure chamber wall 33a through a layer of adhesive such as epoxy resin, etc.
JP8576181A 1981-06-05 1981-06-05 Ink jet device Pending JPS57201665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8576181A JPS57201665A (en) 1981-06-05 1981-06-05 Ink jet device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8576181A JPS57201665A (en) 1981-06-05 1981-06-05 Ink jet device

Publications (1)

Publication Number Publication Date
JPS57201665A true JPS57201665A (en) 1982-12-10

Family

ID=13867841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8576181A Pending JPS57201665A (en) 1981-06-05 1981-06-05 Ink jet device

Country Status (1)

Country Link
JP (1) JPS57201665A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151051U (en) * 1982-04-02 1983-10-11 日立工機株式会社 droplet injection device
JPS60127164A (en) * 1983-12-13 1985-07-06 Fujitsu Ltd Ink jet head
JPS60196357A (en) * 1984-03-19 1985-10-04 Fujitsu Ltd Ink jet head
JPS6273952A (en) * 1985-09-27 1987-04-04 Seiko Epson Corp Ink-jet printer head
US6019458A (en) * 1995-11-24 2000-02-01 Seiko Epson Corporation Ink-jet printing head for improving resolution and decreasing crosstalk
US6309057B1 (en) * 1992-11-25 2001-10-30 Seiko Epson Corporation Ink-jet type recording head
US7003857B1 (en) 1995-11-24 2006-02-28 Seiko Epson Corporation Method of producing an ink-jet printing head

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151051U (en) * 1982-04-02 1983-10-11 日立工機株式会社 droplet injection device
JPS60127164A (en) * 1983-12-13 1985-07-06 Fujitsu Ltd Ink jet head
JPS60196357A (en) * 1984-03-19 1985-10-04 Fujitsu Ltd Ink jet head
JPS6273952A (en) * 1985-09-27 1987-04-04 Seiko Epson Corp Ink-jet printer head
US6309057B1 (en) * 1992-11-25 2001-10-30 Seiko Epson Corporation Ink-jet type recording head
US6019458A (en) * 1995-11-24 2000-02-01 Seiko Epson Corporation Ink-jet printing head for improving resolution and decreasing crosstalk
US6126279A (en) * 1995-11-24 2000-10-03 Seiko Epson Corporation Ink jet printing head for improving resolution and decreasing crosstalk
US7003857B1 (en) 1995-11-24 2006-02-28 Seiko Epson Corporation Method of producing an ink-jet printing head

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