MX9606223A - Metodo de impresion y aparato que emplea la separacion de gota, electrostatica. - Google Patents

Metodo de impresion y aparato que emplea la separacion de gota, electrostatica.

Info

Publication number
MX9606223A
MX9606223A MX9606223A MX9606223A MX9606223A MX 9606223 A MX9606223 A MX 9606223A MX 9606223 A MX9606223 A MX 9606223A MX 9606223 A MX9606223 A MX 9606223A MX 9606223 A MX9606223 A MX 9606223A
Authority
MX
Mexico
Prior art keywords
drop
ink
field
print head
meniscus
Prior art date
Application number
MX9606223A
Other languages
English (en)
Inventor
Kia Silverbrook
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of MX9606223A publication Critical patent/MX9606223A/es

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
    • B41J2/14451—Structure of ink jet print heads discharging by lowering surface tension of meniscus
    • 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
    • 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
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
    • B41J2/065—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field involving the preliminary making of ink protuberances

Landscapes

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

Abstract

Un campo eléctrico constante se aplica a una cabeza de impresion de goteo por demanda utilizando la direccion de fuerza coincidente de las gotas de tinta seleccionada. Este campo puede ser generado aplicando un potencial eléctrico a la cabeza de impresion y un potencial eléctrico diferente a una placa, la cual se coloca en el lado opuesto del medio de registro. Este campo no necesita ser modulado o encendido para cada gota que es expulsada. Como resultado, puede utilizarse suministro de potencia de voltaje elevado, sencilla para generar el campo eléctrico. No se requiere equipo de conmutacion de alto voltaje. También, la separacion entre las boquillas puede ser pequeña, ya que el campo aplicado a la boquilla no necesita ser separado de los campos aplicados a las boquillas adyacentes. El campo eléctrico se determina para que sea insuficiente para provocar que las gotas de tinta sean extraídas de la cabeza de impresion, cuando la tinta en las boquillas está en una posicion en reposo. El método de seleccion de la gota provoca que el menisco de la tinta de las gotas seleccionadas se proyecten desde la superficie frontal de la cabeza de impresion. La carga se acumula en el menisco de la gota que sobresale, debido a que el radio de la gota es pequeño y debido a que el menisco de la gota es el punto más cercano al electrodo opuesto. Esta carga concentra la fuerza producida por el campo potencial eléctrico sobre la gota seleccionada. Esta fuerza, en combinacion con la presion de la tinta, supera la tension superficial de la tinta y provoca que la gota seleccionada se separe del cuerpo de tinta. La gota seleccionada entonces se acelera hacia la placa, chocando con el medio de registro. Por este medio, una gota puede ser impresa sobre un medio de impresion, aun cuando el método de seleccion de gota no imparta suficiente energía cinética a la gota seleccionada, para hacer que la gota seleccionada supere las fuerzas de tension superficial y se separe del cuerpo de tinta.
MX9606223A 1995-04-12 1996-04-09 Metodo de impresion y aparato que emplea la separacion de gota, electrostatica. MX9606223A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN2313A AUPN231395A0 (en) 1995-04-12 1995-04-12 Electrostatic drop separation in lift printing
PCT/US1996/004886 WO1996032278A1 (en) 1995-04-12 1996-04-09 Printing method and apparatus employing electrostatic drop separation

Publications (1)

Publication Number Publication Date
MX9606223A true MX9606223A (es) 1998-03-31

Family

ID=3786665

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9606223A MX9606223A (es) 1995-04-12 1996-04-09 Metodo de impresion y aparato que emplea la separacion de gota, electrostatica.

Country Status (9)

Country Link
US (1) US5815178A (es)
EP (1) EP0765237A1 (es)
JP (1) JPH10501490A (es)
KR (1) KR970703859A (es)
CN (1) CN1152277A (es)
AU (1) AUPN231395A0 (es)
BR (1) BR9606315A (es)
MX (1) MX9606223A (es)
WO (1) WO1996032278A1 (es)

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US5914737A (en) * 1995-04-12 1999-06-22 Eastman Kodak Company Color printer having concurrent drop selection and drop separation, the printer being adapted for connection to a computer
US5984446A (en) * 1995-04-12 1999-11-16 Eastman Kodak Company Color office printer with a high capacity digital page image store
US5909227A (en) * 1995-04-12 1999-06-01 Eastman Kodak Company Photograph processing and copying system using coincident force drop-on-demand ink jet printing
US6786420B1 (en) 1997-07-15 2004-09-07 Silverbrook Research Pty. Ltd. Data distribution mechanism in the form of ink dots on cards
JPH11320873A (ja) * 1997-06-05 1999-11-24 Ricoh Co Ltd インクジェットヘッド
US6618117B2 (en) 1997-07-12 2003-09-09 Silverbrook Research Pty Ltd Image sensing apparatus including a microcontroller
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US20040119829A1 (en) 1997-07-15 2004-06-24 Silverbrook Research Pty Ltd Printhead assembly for a print on demand digital camera system
US6879341B1 (en) 1997-07-15 2005-04-12 Silverbrook Research Pty Ltd Digital camera system containing a VLIW vector processor
US6690419B1 (en) 1997-07-15 2004-02-10 Silverbrook Research Pty Ltd Utilising eye detection methods for image processing in a digital image camera
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AUPP702498A0 (en) * 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART77)
AUPP702198A0 (en) * 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART79)
US6250740B1 (en) * 1998-12-23 2001-06-26 Eastman Kodak Company Pagewidth image forming system and method
AUPQ056099A0 (en) 1999-05-25 1999-06-17 Silverbrook Research Pty Ltd A method and apparatus (pprint01)
US6414051B1 (en) * 2000-02-01 2002-07-02 Xerox Corporation Acoustic printing inks containing bis(carbamates)
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US7966743B2 (en) * 2007-07-31 2011-06-28 Eastman Kodak Company Micro-structured drying for inkjet printers
US20090169748A1 (en) * 2007-12-27 2009-07-02 House Gary L Inks for high speed durable inkjet printing
DE102009042374A1 (de) * 2008-10-20 2010-04-22 Heidelberger Druckmaschinen Ag Verfahren zur digitalen Rasterung von Halbtonbildern
US8070711B2 (en) * 2009-12-09 2011-12-06 Alcon Research, Ltd. Thermal management algorithm for phacoemulsification system
CN102101384B (zh) * 2009-12-17 2014-04-16 北大方正集团有限公司 一种能处理打印断线的数码印刷设备及其控制方法
US8210654B2 (en) 2010-05-28 2012-07-03 Hewlett-Packard Development Company, L.P. Fluid ejection device with electrodes to generate electric field within chamber
WO2015159283A1 (en) * 2014-04-13 2015-10-22 Photon Jet Ltd. Electrical induced forward transfer
US9114609B1 (en) * 2014-05-16 2015-08-25 Xerox Corporation System and method for ink drop acceleration with time varying electrostatic fields
KR101738982B1 (ko) * 2015-06-08 2017-05-26 참엔지니어링(주) 리페어 장치 및 리페어 방법
KR101738981B1 (ko) * 2015-06-11 2017-05-26 참엔지니어링(주) 리페어 방법 및 리페어 장치
CN109711078B (zh) * 2018-12-29 2023-06-27 云南电网有限责任公司电力科学研究院 一种断路器触头系统短时耐受过程中热稳定性的计算方法
CN113377139B (zh) * 2020-02-24 2022-07-08 北京小米移动软件有限公司 一种散热模组、移动终端、散热方法及存储介质
CN117283990B (zh) * 2023-10-30 2024-06-04 武汉国创科光电装备有限公司 一种用于喷墨打印的阵列化电流体喷头及喷印设备

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Also Published As

Publication number Publication date
CN1152277A (zh) 1997-06-18
JPH10501490A (ja) 1998-02-10
US5815178A (en) 1998-09-29
BR9606315A (pt) 1997-09-16
KR970703859A (ko) 1997-08-09
EP0765237A1 (en) 1997-04-02
WO1996032278A1 (en) 1996-10-17
AUPN231395A0 (en) 1995-05-04

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees