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7438396 |
Inkjet printing method and apparatus
A method and apparatus for inkjet printing by means of a plurality of inkjet nozzles arranged in at least one row and having spaced, parallel nozzle axes for emitting liquid ink drops towards the...
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7401906 |
Ink jet break-off length controlled dynamically by individual jet stimulation
A jet break-off length control apparatus for a continuous liquid drop emission system is provided. The jet break-off length control apparatus comprises a liquid drop emitter containing a positively...
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7364277 |
Apparatus and method of controlling droplet trajectory
A printhead has a fluid chamber having an orifice, an associated fluid drop forming mechanism, and an associated fluid drop steering device. The fluid drop forming mechanism is operable to apply to...
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7364276 |
Continuous ink jet apparatus with integrated drop action devices and control circuitry
A continuous liquid drop emission apparatus is provided. The liquid drop emission apparatus is comprised of a liquid chamber containing a positively pressurized liquid in flow communication with at...
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7354141 |
Acoustic assessment of characteristics of a fluid relevant to acoustic ejection
Methods are provided for analyzing characteristics of fluids in the context of an acoustic ejection system. Such a system has a controller, an acoustic radiation generator, and a coupling medium...
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7334880 |
Method of driving a droplet jetting head
A method of driving a droplet jetting head comprising nozzle orifices to jet droplets, pressure generating chambers each of which can store liquid and communicate with one of the orifices, and...
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7147307 |
Printhead IC with actuator movement parallel to ink inlet flow
An inkjet printhead IC is fabricated using a wafer substrate that defines a plurality of ink inlet channels. A plurality of nozzle structures fabricated on the substrate to define nozzle chambers...
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7080897 |
System for delivering material onto a substrate
A system for delivering material onto a substrate. The system includes a jetting system having a reservoir containing the material and the reservoir includes a nozzle through which the material is...
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7033003 |
Continuous stream binary array ink jet print head
A continuous stream binary array ink jet print head includes an elongate cavity for containing ink and an array of nozzle orifices formed so as to extend through a wall of the cavity for passing...
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7004571 |
Preventing defective nozzle ink discharge in continuous inkjet printhead from being used for printing
A method, and apparatus for performing the method, are intended to prevent all of the ink discharged from a defective one of multiple nozzles in a continuous inkjet printhead from being used for...
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6981760 |
Ink jet head and ink jet printer
There is provided an ink jet head for ejecting an ink liquid drop from an ink jet nozzle onto a recording medium, wherein, on a substrate having a heat conductivity of 15 (W/m/K) or less, a...
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6938995 |
Acoustic assessment of fluids in a plurality of reservoirs
The invention provides devices and methods for acoustically assessing the contents of a plurality of reservoirs that are typically provided as an array. An acoustic radiation generator is employed...
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6742876 |
Eyelid operation for an ink jet printer
A system and method are provided for improving the reliability for operation of the eyelid associated with the ink jet printhead of a continuous ink jet printer. The eyelid actuation technique of...
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6676249 |
Continuous color ink jet print head apparatus and method
A continuous color ink jet print head ( 40 ) for an electronic printing device is composed of a nozzle ( 42 ), pressurized ink sources ( 46, 48 ), and a print head surface ( 50 ) having channels (...
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6655769 |
Image recording method and a printer using the same
A printer selectively ejects ink droplets or jets out ink mists depending upon input data of an image to be recorded. The printer has a drive signal generating section and a recording head. The...
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6637871 |
Droplet generator for a continuous stream ink jet print head
A droplet generator for a continuous stream ink jet print head includes an elongate cavity for containing the ink, nozzle orifices in a wall of the cavity for passing ink from the cavity to form...
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6592211 |
Electrostatic mechanism for inkjet printers resulting in improved image quality
Using an electrostatic mechanism for inkjet printers to improve image quality is disclosed. A carriage assembly for such a printer includes one or more inkjet print heads, and an electrostatic...
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6554410 |
Printhead having gas flow ink droplet separation and method of diverging ink droplets
An apparatus for printing an image is provided. The apparatus includes an ink droplet forming mechanism operable to selectively create a stream of ink droplets having a plurality of volumes and a...
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6545773 |
Compensation for print-direction induced hue shift using depletion
Color printheads in a color inkjet printer are in a fixed order in the scanning carriage, which causes the colors to be printed in a different order when the carriage is scanned in an opposite...
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6536881 |
Continuous stream ink jet print head droplet generator having backing member bridging divided vibrator
A continuous stream ink jet print head has a droplet generator with an elongate cavity for containing the ink, and nozzle orifices in a wall of the cavity for passing ink from the cavity to form...
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6517197 |
Continuous ink-jet printing method and apparatus for correcting ink drop replacement
An apparatus for printing an image is provided. The apparatus includes a source of ink. A droplet forming mechanism is operable in a first state to form droplets from the source having a first...
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6511164 |
Control system for spraying electrically conductive liquid
A spraying control system for an electrically conducting liquid ( 3 ) emitted in the form of a pressurized jet ( 4 ) through at least one nozzle ( 2 ). The system contains apparatus for separating...
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6505920 |
Synchronously stimulated continuous ink jet head
An ink jet print head for a continuous ink jet printer includes an orifice plate defining an elongated array of ink jet orifices, an ink manifold for supplying ink to the orifices in the orifice...
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6478414 |
Drop-masking continuous inkjet printing method and apparatus
Method and apparatus ( 10, 102 ) for continuous inkjet printing wherein a first continuous stream of ink droplets ( 66 ) traveling above a first flow path ( 48 ) is used as a mask for colliding...
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6476928 |
System and method for controlling internal operations of a processor of an inkjet printhead
A printing system having a printhead assembly with an integrated distributive processor for providing localized control of internal printhead processor operations. These internal operations include...
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6425660 |
Droplet generator for a continuous stream ink jet print head
A droplet generator for a continuous stream ink jet print head has a cavity for containing ink, and nozzle orifices passing ink from the cavity to form jets. An actuator means vibrates the ink in...
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6402305 |
Method for preventing ink drop misdirection in an asymmetric heat-type ink jet printer
A method for preventing the misdirection of the initial ink droplets discharged from the nozzle of an asymmetric heat-type ink jet printer is provided. The method includes the step of providing...
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6357866 |
Droplet generator
A droplet generator for generating a plurality of streams of ink droplets in a continuous ink jet printer comprises a stimulator plate, and the capability of supplying ink to the stimulator plate....
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6340216 |
Ballistic aerosol marking apparatus for treating a substrate
An apparatus for treating a substrate is disclosed in which a propellant stream is passed through a channel and directed toward a substrate. Substrate pre-marking or post-marking treatment material...
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6254224 |
Ink jet printer
A droplet generator for a multi-jet CIJ printhead that has an ink chamber with plural orifices for the emission of fluid streams. An actuator drive armature is disposed within the ink chamber and,...
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6247781 |
Ink jet printhead with an improved eyelid system
A technique for sealing a printhead of an ink jet printer system on startup, opening the seal to print, and opening further on an arbitrary path for cleaning, is provided for by the present...
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6234614 |
Continuous inkjet printer
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6224180 |
High speed jet soldering system
Continuous jetting of liquid metal droplets for deposit on a substrate includes an ejector, a deflection device, a print chute, and a collection reservoir. Liquid metal from a cartridge in the...
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6217163 |
Continuous ink jet print head having multi-segment heaters
To compensate for droplet placement errors, a continuous ink jet printer includes a heater having a plurality of selectively independently actuated sections which are positioned along respectively...
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6217162 |
Alignment apparatus for an ink jet droplet generator
An alignment apparatus and method is provided for attaching and aligning components of an ink jet printhead of a continuous ink jet printer. First and second bonding surfaces are provided on first...
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6203145 |
Continuous ink jet system having non-circular orifices
A continuous ink jet printing system using asymmetrical heating of the fluid in which the nozzle bore (46, 76, 78) of the printhead preferably has a non-circular opening. The nozzle bore (46, 76,...
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6109739 |
Dot positioning for continuous ink jet printer
A stroke based method for printing for use in a continuous ink jet printer. A set number of drops are assigned to a stroke, but the number of positions which can be printed on a stroke is greater...
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6106107 |
Apparatus and method for multi-jet generation of high viscosity fluid and channel construction particularly useful therein
A continuous jet module, apparatus, and method are described for printing with a high viscosity printing fluid having a viscosity of 10 to 100 centipoise. The module includes a housing having a...
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6070973 |
Non-resonant and decoupled droplet generator
A droplet generator and ink jet printhead assembly employing the droplet generator are disclosed. The droplet generator can operate with a wide range of fluids over a wide range of conditions, is...
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6027205 |
Ink jet printing device
An ink jet printing device is disclosed in which a bore providing a nozzle for the ejection of droplets of ink is closed by a pin to prevent ejection of ink. The pin is movable into a retracted...
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6027195 |
System and method for synchronizing the piezoelectric clock sources of a plurality of ink jet printheads
The method for synchronizing the plurality of piezoelectric crystals on a corresponding plurality of ink jet printheads comprises the steps of: (a) coupling the plurality of printheads together in...
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5966154 |
Graphic arts printing plate production by a continuous jet drop printing with asymmetric heating drop deflection
A graphic arts printing apparatus includes a delivery channel for hydrophobic liquid; a source of pressurized hydrophobic liquid communicating with the delivery channel; a nozzle bore which opens...
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5940100 |
Device permitting the emission of a stimulated jet of pressurized material through a sealable nozzle
A device permitting the emission or discharge of material in the form of a jet by a nozzle, which is able to communicate with a cavity of the device through which the material passes and where it...
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5933171 |
Ink jet printer having rotary drum
A continuous-jet type ink jet printer has a full-line type printing head with high reliability for forming ink particles and which is capable of reducing noise. An ink particle forming section...
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5912686 |
Ink jet printhead and an armature therefor
An armature (1) for an actuator drive for a multi-jet continuous ink jet printhead has, at one side, a row of transducer mountings (10). The armature (1) has a plurality of elongate slots (5)...
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5869595 |
Polyimide curing process and improved thermal ink jet printhead prepared thereby
Disclosed is a process which comprises reacting a polyimide precursor with borane. Also disclosed is a thermal ink jet printhead containing a layer comprising the product of this reaction.
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5821963 |
Continuous ink jet printing system for use with hot-melt inks
A continuous ink jet printing system for use with a hot-melt ink, comprising a supply chamber for retaining said ink in a liquid form, means for applying heat to the ink in said chamber to maintain...
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5812164 |
Instant resonator position lock
An apparatus is provided for locking an ink jet resonator assembly into a printhead of a continuous ink jet printer. The locking apparatus comprises a resonator holder for holding the resonator...
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5782604 |
Pump
A pump (1) has a rotor (4) and a stator (3) disposed closely adjacent to and biased towards it, but spaced apart from a surface of the rotor. The stator (3) or rotor (4) has recesses (30) on its...
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5754206 |
Low stress droplet generator mount assembly
A mounting apparatus holds in position a droplet generator assembly to be mounted in a continuous ink jet printing system. The droplet generator assembly comprises a pair of conical slots and a...
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