WO1990014233A1 - Procede d'enregistrement a jet de liquide et appareil correspondant - Google Patents

Procede d'enregistrement a jet de liquide et appareil correspondant Download PDF

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Publication number
WO1990014233A1
WO1990014233A1 PCT/GB1990/000817 GB9000817W WO9014233A1 WO 1990014233 A1 WO1990014233 A1 WO 1990014233A1 GB 9000817 W GB9000817 W GB 9000817W WO 9014233 A1 WO9014233 A1 WO 9014233A1
Authority
WO
WIPO (PCT)
Prior art keywords
meniscus
liquid
droplet
cavity
enabling
Prior art date
Application number
PCT/GB1990/000817
Other languages
English (en)
Inventor
Borge Riis Jensen
Original Assignee
P.A. Consulting Services Limited
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 P.A. Consulting Services Limited filed Critical P.A. Consulting Services Limited
Publication of WO1990014233A1 publication Critical patent/WO1990014233A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/015Ink jet characterised by the jet generation process
    • B41J2/04Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/06Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
    • B41J2/065Ink 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

Definitions

  • Known liquid jet recording processes include so-called “drop-on-demand” recording processes in which liquid is contained in a cavity having a nozzle and a droplet separation arrangement, such as an electrostatic arrangement, is used to separate droplets from the liquid meniscus.
  • a desirable result in developing liquid jet recording processes and apparatus therefor is to achieve greater frequency of operation and simplicity of construction.
  • the present invention also provides a method of ejecting a droplet from a volume of liquid contained in a cavity having an exit orifice, the method comprising inducing pressure variations in the volume of liquid whereby to cause oscillations of the liquid meniscus at the orifice and enabling a droplet of liquid to separate from the meniscus.
  • the means for enabling droplet separation may take a variety of forms as will become apparent from the following description.
  • Figure 2 is a schematic diagram of part of the apparatus of claim 1 including a first type of droplet separation arrangement
  • Figure 5 is a schematic diagram similar to figure 2 showing a fourth type of droplet separation arrangement
  • Figure 6 is a schematic diagram similar to figure 2 showing a fifth type of droplet separation arrangement
  • the meniscus will return back and retract into the nozzle 3. It is possible by adjusting the amplitude of the signal supplied by the drive circuit 6 to get the meniscus 7 to oscillate with a considerable amplitude without breaking off and forming a droplet. This amplitude can be several times the diameter of the discharge orifice 2 and is a function of liquid parameters as well as the amplitude of the drive voltage. If the frequency of the drive signal corresponds to transducer resonances and/or resonances in the cavity and/or resonance in the liquid column in the nozzle, the meniscus can be made to oscillate at very high frequencies with very small electrical input power requirements. Oscillating frequencies of several hundred kilohertz have been observed.
  • a feed back control loop can be incorporated. Either the pressure in the recording liquid in the cavity 7 or the amplitude of the oscillating meniscus can be measured and used to regulate the amplitude of the voltage delivered from the drive circuit 6.
  • a droplet separation arrangement 8 In the region outside the discharge orifice 2 is placed a droplet separation arrangement 8.
  • this arrangement is energised, by an electronic drive circuit 9, additional energy is added to the recording medium in the oscillating meniscus causing a droplet to be discharged.
  • the transducer drive circuit 6 and the droplet separation drive circuit 9 can be synchronised to assure that the droplet separation arrangement adds the energy to the meniscus at the correct time within the oscillating cycle of the meniscus.
  • the total energy Erpot required to eject a droplet from a small orifice consists of three components:
  • E v is the energy required to overcome the viscous drag in the nozzle
  • E s is the energy required to overcome the surface tension and break the droplet of the meniscus
  • Ej ⁇ is the kinetic energy contained in the flying droplet.
  • Ep can also be adjusted to be higher than the sum of E v , E s and E] ⁇ that is the energy generated by the transducer 5 is sufficient to release a droplet from the oscillating meniscus during each cycle.
  • the droplet separation arrangement has to provide a negative energy component preventing droplets from being discharged and only allow a droplet discharge when a dot needs to be formed on the recording substrate 10. In practice however, this arrangement has been found to be more difficult to implement.
  • the recording apparatus described above has been a singe orifice arrangement. In most practical applications multi- orifice arrangements are required. Since the same drive transducer 5 and cavity 4 can be used to supply all nozzles 3 it is very simple to produce large arrays of droplet discharge orifices where the distance between individual orifices is very small.
  • droplet separation arrangement 8 can be implemented to provide the additional energy required to separate a droplet from the oscillating meniscus. Some of these are explained in figure 2 to figure 6. In all of the drawings appended hereto, like items are identified with like reference numerals.
  • Figure 6 shows an arrangement where two electrodes 20 and 21 forming a capacitor are placed in front of the orifice.
  • the ink which in this case should have a high dielectric constant , will be drawn into the capacitor causing a droplet to be released.
  • Figure 7 illustrates multi-orifice orifice liquid jet recording apparatus according to the invention.
  • a single cavity 4 is provided with an array of nozzles 3.
  • one wall of the cavity contains a transducer arrangement 5, preferably a piezoelectric transducer arrangement, connected to an electronic drive circuit 6.
  • the transducer produces oscillating pressure waves which cause each meniscus at each orifice to oscillate.
  • Reference numeral 8 denotes a droplet separation arrangement which may be any of the types mentioned above.
  • the droplet separation arrangement should be operable to discharge a droplet from a selected one of the orifices.
  • the droplet separation arrangement may comprise an array of heaters of the type shown in figure 3, one corresponding to each orifice 3. Selected ones of the heaters may be energised to eject droplets from selected ones of the orifices to produce spots at desired locations on the substrate. Any of the droplet separation arrangements described above can be adapted for multi-orifice apparatus.
  • a droplet separation arrangement comprising several individual elements may be operated by the same drive circuit, if desired.
  • the individual elements may be separately wired to the drive circuit or they may be separately addressable from the drive circuit.
  • the droplet separation arrangement is positioned outside the cavity 4. This is advantageous since it simplifies the construction of the cavity itself and enables it to be made very small. However, it is also possible to provide droplet separation means inside the cavity and one example of such an arrangement is illustrated in figure 8.
  • any type of internal droplet separation arrangement can be used in apparatus according to this invention.
  • a separation device can be provided for each orifice.
  • a single droplet separation arrangement could then be used instead of an array, and the operation of the arrangement would be timed with the standing waves to separate a droplet from the desired orifice.

Landscapes

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

Abstract

Un procédé d'enregistrement à jet de liquide comprend une cavité (4) ayant au moins un orifice de sortie (2) et un système (5) pour créer des variations de pression à l'intérieur du liquide situé dans la cavité afin de faire osciller la surface du liquide à l'orifide de la cavité. Un système (8) permet l'éjection du liquide depuis l'orifice en oscillation.
PCT/GB1990/000817 1989-05-26 1990-05-25 Procede d'enregistrement a jet de liquide et appareil correspondant WO1990014233A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8912245.1 1989-05-26
GB898912245A GB8912245D0 (en) 1989-05-26 1989-05-26 Liquid jet recording process

Publications (1)

Publication Number Publication Date
WO1990014233A1 true WO1990014233A1 (fr) 1990-11-29

Family

ID=10657468

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1990/000817 WO1990014233A1 (fr) 1989-05-26 1990-05-25 Procede d'enregistrement a jet de liquide et appareil correspondant

Country Status (2)

Country Link
GB (1) GB8912245D0 (fr)
WO (1) WO1990014233A1 (fr)

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WO1996032260A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Ordinateur portatif avec systeme integre d'impression couleur a la fois par selection de gouttes et par separation de gouttes
WO1996032272A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Appareil de mise en page d'images et d'ajustement de la tolerance d'erreur pour des systemes d'impression
WO1996032286A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Nettoyage d'une buse d'impression a encre liquide
WO1996032285A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure auto-alignee de tetes d'impression monolithiques et leur procede de fabrication
WO1996032276A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tete d'impression integree en quadrichromie
WO1996032262A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Traceur couleur utilisant a la fois les techniques d'impression par jet d'encre a selection de goutte et a separation de gouttes
WO1996032274A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure et procede de fabrication de chauffage de tetes d'impression monolithiques
WO1996032284A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tetes d'impression monolithiques et leurs procedes de fabrication
WO1996032808A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Telecopieur a impression par jet d'encre avec selection et separation de gouttelettes simultanees
WO1996032271A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Compensation de la puissance de chauffage en fonction de la charge d'impression dans des systemes d'impression thermique
WO1996032283A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure monolithique de tete d'impression et procede de fabrication faisant appel a la gravure humide anisotropique
WO1996032281A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Placement des buses dans les tetes monolithiques d'impression fonctionnant en goutte-a-la-demande
WO1996032268A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Distribution des donnees dans des tetes d'impression monolithiques
WO1996032725A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante couleur de bureau ayant un stockage d'image de page numerique d'une grande capacite
WO1996032259A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tolerance aux defaillances dans des imprimantes d'un grand volume
WO1996032270A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Circuits d'attaque integres dans les tetes d'impression a jet de gouttes reglable selon la demande
WO1996032264A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tolerance aux defauts de blocs dans les tetes d'impression integrees
WO1996032280A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Connexion d'alimentation pour tetes d'impression monolithiques
WO1996032266A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Detection d'actionneurs defaillants dans des tetes d'impression
WO1996032282A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Machine numerique d'impression sur tissu a grande vitesse
WO1996032273A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede et dispositif de commande precise de temperature dans des tetes d'impression
WO1996032278A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede d'impression et dispositif recourant a la separation electrostatique de gouttelette
WO1996032289A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Dispositif d'impression a gouttes d'encre de tailles multiples et son procede de fabrication
WO1996032265A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante video en couleurs et systeme cd photographique a imprimante integree
WO1996032263A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Doublement des buses pour obtenir une tolerance aux defauts dans les tetes d'impression integrees
WO1996032277A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede et systeme d'impression a selection et separation concomitantes des gouttelettes
WO1996032809A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Photocopieuse en couleur utilisant un systeme d'impression a jets d'encre avec goutte fournie a la demande
WO1996032261A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante portative utilisant un systeme d'impression a la fois par selection de goutte et par separation de gouttes
WO1996032279A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante a encre liquide et systeme associe
WO1996032269A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Compensation de puissance du dispositif de chauffage pour le decalage thermique dans les systemes d'impression thermique
WO1996032267A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procedes de construction et de fabrication pour des tetes d'impression activees thermiquement
WO1996032288A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Ensemble d'encres a quatre niveaux pour impression en couleur a deux niveaux
US5781202A (en) * 1995-04-12 1998-07-14 Eastman Kodak Company Fax machine with concurrent drop selection and drop separation ink jet printing
US5796418A (en) * 1995-04-12 1998-08-18 Eastman Kodak Company Page image and fault tolerance control apparatus for printing systems
US5796416A (en) * 1995-04-12 1998-08-18 Eastman Kodak Company Nozzle placement in monolithic drop-on-demand print heads
US5801739A (en) * 1995-04-12 1998-09-01 Eastman Kodak Company High speed digital fabric printer
US5808639A (en) * 1995-04-12 1998-09-15 Eastman Kodak Company Nozzle clearing procedure for liquid ink printing
US5812162A (en) * 1995-04-12 1998-09-22 Eastman Kodak Company Power supply connection for monolithic print heads
US5815179A (en) * 1995-04-12 1998-09-29 Eastman Kodak Company Block fault tolerance in integrated printing heads
US5825385A (en) * 1995-04-12 1998-10-20 Eastman Kodak Company Constructions and manufacturing processes for thermally activated print heads
US5838339A (en) * 1995-04-12 1998-11-17 Eastman Kodak Company Data distribution in monolithic print heads
US5841449A (en) * 1995-04-12 1998-11-24 Eastman Kodak Company Heater power compensation for printing load in thermal printing systems
US5850241A (en) * 1995-04-12 1998-12-15 Eastman Kodak Company Monolithic print head structure and a manufacturing process therefor using anisotropic wet etching
US5856836A (en) * 1995-04-12 1999-01-05 Eastman Kodak Company Coincident drop selection, drop separation printing method and system
US5859652A (en) * 1995-04-12 1999-01-12 Eastman Kodak Company Color video printer and a photo CD system with integrated printer
US5864351A (en) * 1995-04-12 1999-01-26 Eastman Kodak Company Heater power compensation for thermal lag in thermal printing systems
US5880759A (en) * 1995-04-12 1999-03-09 Eastman Kodak Company Liquid ink printing apparatus and system
US5892524A (en) * 1995-04-12 1999-04-06 Eastman Kodak Company Apparatus for printing multiple drop sizes and fabrication thereof
US5905517A (en) * 1995-04-12 1999-05-18 Eastman Kodak Company Heater structure and fabrication process for monolithic print heads
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
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US6045710A (en) * 1995-04-12 2000-04-04 Silverbrook; Kia Self-aligned construction and manufacturing process for monolithic print heads
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EP1116586A1 (fr) * 2000-01-11 2001-07-18 Eastman Kodak Company Imprimante assistée à éjection à la demande de gouttes d'encre
EP0765242B1 (fr) * 1995-04-12 2002-03-06 Eastman Kodak Company Cartouche d'encre liquide mise sous pression, destinee a des imprimantes a forces coincidentes
WO2005077547A1 (fr) * 2004-02-13 2005-08-25 Chempilots A/S Methode pour distribuer des materiaux visqueux
WO2019011672A1 (fr) * 2017-07-12 2019-01-17 Mycronic AB Dispositifs d'éjection dotés de dispositifs de sortie d'énergie et leurs procédés de commande
CN110914063A (zh) * 2017-07-12 2020-03-24 迈康尼股份公司 具有声换能器的喷射装置及其控制方法

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EP0243117A2 (fr) * 1986-04-17 1987-10-28 Xerox Corporation Ejecteurs de gouttelettes par ondes capillaires et adressables dans l'espace

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US4697195A (en) * 1985-09-16 1987-09-29 Xerox Corporation Nozzleless liquid droplet ejectors
JPS62240559A (ja) * 1986-04-14 1987-10-21 Toshiba Corp インクジエツト記録装置
EP0243117A2 (fr) * 1986-04-17 1987-10-28 Xerox Corporation Ejecteurs de gouttelettes par ondes capillaires et adressables dans l'espace

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US5796416A (en) * 1995-04-12 1998-08-18 Eastman Kodak Company Nozzle placement in monolithic drop-on-demand print heads
WO1996032281A3 (fr) * 1995-04-12 1996-11-14 Eastman Kodak Co Placement des buses dans les tetes monolithiques d'impression fonctionnant en goutte-a-la-demande
WO1996032286A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Nettoyage d'une buse d'impression a encre liquide
WO1996032285A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure auto-alignee de tetes d'impression monolithiques et leur procede de fabrication
WO1996032276A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tete d'impression integree en quadrichromie
WO1996032262A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Traceur couleur utilisant a la fois les techniques d'impression par jet d'encre a selection de goutte et a separation de gouttes
WO1996032274A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure et procede de fabrication de chauffage de tetes d'impression monolithiques
WO1996032284A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tetes d'impression monolithiques et leurs procedes de fabrication
WO1996032808A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Telecopieur a impression par jet d'encre avec selection et separation de gouttelettes simultanees
WO1996032271A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Compensation de la puissance de chauffage en fonction de la charge d'impression dans des systemes d'impression thermique
WO1996032283A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Structure monolithique de tete d'impression et procede de fabrication faisant appel a la gravure humide anisotropique
WO1996032260A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Ordinateur portatif avec systeme integre d'impression couleur a la fois par selection de gouttes et par separation de gouttes
WO1996032268A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Distribution des donnees dans des tetes d'impression monolithiques
WO1996032725A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante couleur de bureau ayant un stockage d'image de page numerique d'une grande capacite
WO1996032259A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tolerance aux defaillances dans des imprimantes d'un grand volume
WO1996032270A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Circuits d'attaque integres dans les tetes d'impression a jet de gouttes reglable selon la demande
WO1996032264A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Tolerance aux defauts de blocs dans les tetes d'impression integrees
WO1996032280A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Connexion d'alimentation pour tetes d'impression monolithiques
WO1996032266A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Detection d'actionneurs defaillants dans des tetes d'impression
WO1996032282A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Machine numerique d'impression sur tissu a grande vitesse
WO1996032273A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede et dispositif de commande precise de temperature dans des tetes d'impression
WO1996032278A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede d'impression et dispositif recourant a la separation electrostatique de gouttelette
WO1996032289A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Dispositif d'impression a gouttes d'encre de tailles multiples et son procede de fabrication
WO1996032265A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante video en couleurs et systeme cd photographique a imprimante integree
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WO1996032277A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Procede et systeme d'impression a selection et separation concomitantes des gouttelettes
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WO1996032261A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante portative utilisant un systeme d'impression a la fois par selection de goutte et par separation de gouttes
WO1996032279A1 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Imprimante a encre liquide et systeme associe
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US5808639A (en) * 1995-04-12 1998-09-15 Eastman Kodak Company Nozzle clearing procedure for liquid ink printing
WO1996032259A3 (fr) * 1995-04-12 1996-11-14 Eastman Kodak Co Tolerance aux defaillances dans des imprimantes d'un grand volume
WO1996032725A3 (fr) * 1995-04-12 1997-06-05 Eastman Kodak Co Imprimante couleur de bureau ayant un stockage d'image de page numerique d'une grande capacite
US5781202A (en) * 1995-04-12 1998-07-14 Eastman Kodak Company Fax machine with concurrent drop selection and drop separation ink jet printing
US5796418A (en) * 1995-04-12 1998-08-18 Eastman Kodak Company Page image and fault tolerance control apparatus for printing systems
WO1996032281A2 (fr) * 1995-04-12 1996-10-17 Eastman Kodak Company Placement des buses dans les tetes monolithiques d'impression fonctionnant en goutte-a-la-demande
US5801739A (en) * 1995-04-12 1998-09-01 Eastman Kodak Company High speed digital fabric printer
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US5812162A (en) * 1995-04-12 1998-09-22 Eastman Kodak Company Power supply connection for monolithic print heads
US5815178A (en) * 1995-04-12 1998-09-29 Eastman Kodak Company Printing method and apparatus employing electrostatic drop separation
US5815179A (en) * 1995-04-12 1998-09-29 Eastman Kodak Company Block fault tolerance in integrated printing heads
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