JPS555855A - Ink jet type multihead - Google Patents

Ink jet type multihead

Info

Publication number
JPS555855A
JPS555855A JP7904578A JP7904578A JPS555855A JP S555855 A JPS555855 A JP S555855A JP 7904578 A JP7904578 A JP 7904578A JP 7904578 A JP7904578 A JP 7904578A JP S555855 A JPS555855 A JP S555855A
Authority
JP
Japan
Prior art keywords
injection
bias
pressure
integration
chambers
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
JP7904578A
Other languages
Japanese (ja)
Other versions
JPS5840510B2 (en
Inventor
Sadao Kakefu
Hiromichi Komai
Hirokawa Hayashi
Hiroshi Yamazaki
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP53079045A priority Critical patent/JPS5840510B2/en
Publication of JPS555855A publication Critical patent/JPS555855A/en
Publication of JPS5840510B2 publication Critical patent/JPS5840510B2/en
Expired 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

Landscapes

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

Abstract

PURPOSE:To provide a pressure type ink jetting head which employs the bias pressure method, thereby minimizing the electrically biased vibrator for injection and hence the head construction and further increasing both the integration per unit area and the total integration. CONSTITUTION:A plurality of bias pressure chambers 9, 9 and a plurality of injection pressure chambers 13, 13 each connected to each of the chambers 9, 9 and having a nozzle 16 are provided. A bias vibrating plate 8 is driven to bias press the ink until it substantially forms ink drops. A bias signal is applied to the electrically biased vibrator for injection, 10, intermittenlly and synchronously with the duplicated frequency during its multiplication. When injection signal begins to increase, the bias pressure is added with the injection pressure to inject ink drops 12. The pressure amplitude for injection can be minimized and the integration per unit area can be enhanced. The zigzag arrangement of the pressure chambers results in a high integration of the head.
JP53079045A 1978-06-29 1978-06-29 ink jet multi head Expired JPS5840510B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53079045A JPS5840510B2 (en) 1978-06-29 1978-06-29 ink jet multi head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53079045A JPS5840510B2 (en) 1978-06-29 1978-06-29 ink jet multi head

Publications (2)

Publication Number Publication Date
JPS555855A true JPS555855A (en) 1980-01-17
JPS5840510B2 JPS5840510B2 (en) 1983-09-06

Family

ID=13678926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53079045A Expired JPS5840510B2 (en) 1978-06-29 1978-06-29 ink jet multi head

Country Status (1)

Country Link
JP (1) JPS5840510B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565773A (en) * 1979-06-28 1981-01-21 Fujitsu Ltd Driving method for ink jet recorder
JPS6130054A (en) * 1984-07-20 1986-02-12 Fujitsu Ltd Manufacture of semiconductor device
US4897368A (en) * 1987-05-21 1990-01-30 Matsushita Electric Industrial Co., Ltd. Method of fabricating a polycidegate employing nitrogen/oxygen implantation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123231A (en) * 1974-03-12 1975-09-27
JPS5255534A (en) * 1975-10-28 1977-05-07 Xerox Corp Highhdensity linear row ink jet device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123231A (en) * 1974-03-12 1975-09-27
JPS5255534A (en) * 1975-10-28 1977-05-07 Xerox Corp Highhdensity linear row ink jet device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565773A (en) * 1979-06-28 1981-01-21 Fujitsu Ltd Driving method for ink jet recorder
JPS6130054A (en) * 1984-07-20 1986-02-12 Fujitsu Ltd Manufacture of semiconductor device
US4897368A (en) * 1987-05-21 1990-01-30 Matsushita Electric Industrial Co., Ltd. Method of fabricating a polycidegate employing nitrogen/oxygen implantation

Also Published As

Publication number Publication date
JPS5840510B2 (en) 1983-09-06

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