JPS56104065A - Preparing device for ink particle - Google Patents

Preparing device for ink particle

Info

Publication number
JPS56104065A
JPS56104065A JP577980A JP577980A JPS56104065A JP S56104065 A JPS56104065 A JP S56104065A JP 577980 A JP577980 A JP 577980A JP 577980 A JP577980 A JP 577980A JP S56104065 A JPS56104065 A JP S56104065A
Authority
JP
Japan
Prior art keywords
ink
nozzle
particles
frequency
excitation
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
JP577980A
Other languages
Japanese (ja)
Inventor
Takehiro Yamada
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.)
Koki Holdings Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Koki 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 Hitachi Ltd, Hitachi Koki Co Ltd filed Critical Hitachi Ltd
Priority to JP577980A priority Critical patent/JPS56104065A/en
Publication of JPS56104065A publication Critical patent/JPS56104065A/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
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/02—Ink jet characterised by the jet generation process generating a continuous ink jet
    • B41J2/025—Ink jet characterised by the jet generation process generating a continuous ink jet by vibration

Landscapes

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

Abstract

PURPOSE:To obtain excellent ink particles including no particles of small diameter by setting the dimension of a nozzle so as for ink in the nozzle to perform fluid resonance at the double of frequency F in the device preparing F pieces of ink particles every second from a nozzle orifice by exciting the same at the frequency F. CONSTITUTION:The electromechanical transducing element 31 of a nozzle body 32 having a length of L is excited by an excitation wave 35 of frequency F, while pressurized ink is supplied to the nozzle body. On the occasion, when the nozzle orifice is small enough compared with the inside diameter of the nozzle body, the length of the nozzle is set by such a method as shown in the formula (where F is the excitation frequency of the excitation wave, C is the speed of sound transmitted through the ink fluid and n is an integer greater than 1), that is, so that ink 34 in the nozzle is made to perform fluid resonance at the double of the excitation frequency F. When the ink excited at F=100kHz and pressurized at a prescribed level is supplied, the ink particles jetted from the nozzle orifice grow with constrictions given periodically by the effect of excitation and thus the flying condition for preparing ink particles is realized in the wide range of operation condition without producing the particles of small diameter from the tip part of an ink column.
JP577980A 1980-01-23 1980-01-23 Preparing device for ink particle Pending JPS56104065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP577980A JPS56104065A (en) 1980-01-23 1980-01-23 Preparing device for ink particle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP577980A JPS56104065A (en) 1980-01-23 1980-01-23 Preparing device for ink particle

Publications (1)

Publication Number Publication Date
JPS56104065A true JPS56104065A (en) 1981-08-19

Family

ID=11620588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP577980A Pending JPS56104065A (en) 1980-01-23 1980-01-23 Preparing device for ink particle

Country Status (1)

Country Link
JP (1) JPS56104065A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637329A1 (en) * 2004-09-15 2006-03-22 Domino Printing Sciences Plc Droplet generator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141925A (en) * 1974-10-04 1976-04-08 Sharp Kk INKUTEKIFUNSHUTSUSOCHI
JPS5168133A (en) * 1974-11-01 1976-06-12 Dick Co Ab
JPS5370631A (en) * 1976-12-06 1978-06-23 Hitachi Ltd Ink jet recording unit
JPS5385119A (en) * 1977-01-05 1978-07-27 Hitachi Ltd Ink jet recording device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141925A (en) * 1974-10-04 1976-04-08 Sharp Kk INKUTEKIFUNSHUTSUSOCHI
JPS5168133A (en) * 1974-11-01 1976-06-12 Dick Co Ab
JPS5370631A (en) * 1976-12-06 1978-06-23 Hitachi Ltd Ink jet recording unit
JPS5385119A (en) * 1977-01-05 1978-07-27 Hitachi Ltd Ink jet recording device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1637329A1 (en) * 2004-09-15 2006-03-22 Domino Printing Sciences Plc Droplet generator
WO2006030018A1 (en) * 2004-09-15 2006-03-23 Domino Printing Sciences Plc Droplet generator
US8662646B2 (en) 2004-09-15 2014-03-04 Domino Printing Services Plc Droplet generator
US9174434B2 (en) 2004-09-15 2015-11-03 Domino Printing Services Plc Droplet generator

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