Wafer structure

Liquid ejection head including a plurality of recording element substrates formed adjacent to each other to form an array such that a gap in temperature distribution is prevented

Methods of forming and using fluid ejection devices and printheads

Fluid ejection device and printhead

LIQUID EJECTING APPARATUS

Liquid ejecting apparatus

Liquid discharge head and recording device

Liquid dispenser including active membrane actuator

INK EJECTION NOZZLE EMPLOYING VOLUME VARYING INK EJECTING MEANS

Flow-through liquid ejection using compliant membrane transducer

Flow-through ejection system including compliant membrane transducer

Continuous liquid ejection using compliant membrane transducer

Flow-through liquid ejection using compliant membrane transducer

NOZZLE ARRANGEMENT WITH AN ACTUATOR HAVING IRIS VANES

Printhead with fluid flow control

EJECTION NOZZLE ARRANGEMENT HAVING DYNAMIC STRUCTURE

Printing nozzle arrangement having fault detector

MICRO-ELECTROMECHANICAL NOZZLE ARRANGEMENT WITH PYRAMIDAL INK CHAMBER FOR AN INKJET PRINTHEAD

METHOD FOR FORMING NOZZLE CHAMBER OF INKJET PRINTHEAD

Printhead nozzle having heater of higher resistance than contacts

Method of detecting MEM device faults with single current pulse

INKJET NOZZLE INCORPORATING ACTUATOR WITH MAGNETIC POLES

Nozzle arrangement with an actuator having iris vanes

Inkjet printhead with nozzle layer defining etchant holes

Ejection nozzle arrangement having dynamic and static structures

Liquid diverter for flow through drop dispenser

Flow through dispenser including diverter cooling channel

Flow through dispenser including two dimensional array

EJECTION NOZZLE ARRANGEMENT

INK EJECTION NOZZLE ARRANGEMENT FOR INKJET PRINTER

MICRO-ELECTROMECHANICAL NOZZLE ARRANGEMENT HAVING CANTILEVERED ACTUATOR

PRINTHEAD WITH MOVABLE EJECTION ORIFICE

Printhead with double omega-shaped heater elements

Printhead with high drag nozzle chamber inlets

Printhead nozzle arrangement having interleaved heater elements

Fluid ejection device with overlapping firing chamber and drive FET

Printing nozzle having fault sensor

Nozzle device incorporating movement sensor

Printhead nozzle arrangement having ink ejecting actuators annularly arranged around ink ejection port

Nozzle Device With Expansive Chamber-Defining Layer

Inkjet Nozzle Device With Static And Movable Nozzle Chamber Portions

Printhead integrated circuit with a solenoid piston

Nozzle structure with reciprocating cantilevered thermal actuator

Ink jet nozzle arrangement with a segmented actuator nozzle chamber cover

Inkjet Nozzle Device With Cantilevered Actuating Arm

Printhead with nozzles having individual supply passages extending into substrate

Inkjet printhead with heaters suspended by sloped sections of less resistance

Printhead integrated circuit having glass nozzle chambers

Nozzle with magnetically actuated reciprocating plunger

Inkjet printhead with narrow printing zone

Printhead nozzle arrangement with radially disposed actuators

Fluid ejection device for ink jet heads

Ink ejection nozzle employing volume varying ink ejecting means

Inkjet printhead with nozzle chambers each holding two fluids

Printhead with columns extending across chamber inlet

Inkjet printhead with nozzle layer defining etchant holes

Printhead integrated circuit with petal formation ink ejection actuator

Printhead having plural fluid ejection heating elements

Inkjet nozzle incorporating piston actuator

Inkjet printhead with paddle for ejecting ink from one of two nozzles

Nozzle arrangement using unevenly heated thermal actuators

Inkjet nozzle arrangement having interleaved heater elements

Inkjet chamber with plurality of nozzles and shared actuator

Printhead with backflow resistant nozzle chambers

Inkjet printhead with heater element close to drive circuits

Inkjet nozzle arrangement

Integrated circuit (IC) incorporating rows of proximal ink ejection ports

Inkjet nozzle with paddle layer sandwiched between first and second wafers

Method of fabricating resistor and proximate drive transistor for a printhead

Fluid ejection device with resistive element close to drive circuits

Printhead having nozzle arrangements with radial actuators

Micro-electromechanical fluid ejection mechanism having a shape memory alloy actuator

Printhead nozzle arrangement with a roof structure having a nozzle rim supported by a series of struts

Inkjet printhead with arcuate actuator path

Inkjet nozzle utilizing electrostatic attraction between parallel plates

Printing nozzle arrangement having movement sensor

Nozzle device with expansive chamber-defining layer

Micro-electromechanical nozzle arrangement with a roof structure for minimizing wicking

Nozzle arrangement for an inkjet printhead having dynamic and static structures to facilitate ink ejection

Ink jet printhead with displaceable nozzle crown

Nozzle device with movement sensor

Inkjet heater with heater element supported by sloped sides with less resistance

Nozzle arrangement with an actuator having iris vanes

Micro-electromechanical nozzle arrangement with an actuating mechanism having a shutter member

Nozzle arrangement for an inkjet printer

Inkjet printhead with high nozzle area density

Printhead with reciprocating coils

Liquid ejection head with nozzle plate deformed by heat and image forming apparatus including the liquid election head

Micro-electromechanical nozzle arrangement having cantilevered actuators

Printing system with a data capture device

PRINTHEAD INTEGRATED CIRCUIT WITH INK SUPPLY CHANNEL FEEDING A PLURALITY OF NOZZLE ROWS

INKJET PRINTHEAD WITH FILTER STRUCTURE AT INLET TO INK CHAMBERS

Printhead with reciprocating cantilevered thermal actuators

Ink ejection nozzle arrangement for an inkjet printer

Ink jet printhead with glass nozzle chambers

Inkjet nozzle chamber holding two fluids

Inkjet printhead nozzle incorporating movable roof structures

Inkjet nozzle device with cantilevered actuating arm

Method of operating a nozzle chamber having radially positioned actuators

Inkjet printhead with laterally reciprocating paddle

Inkjet printer with low nozzle to chamber cross-section ratio

Printhead with ejection orifice in flexible element

Nozzle apparatus for an inkjet printhead with a solenoid piston

Nozzle assembly having a sprung electromagnetically operated plunger

Nozzle arrangement with expandable actuator

Radially actuated micro-electromechanical nozzle arrangement

Micro-electromechanical nozzle arrangement with non-wicking roof structure for an inkjet printhead

Nozzle arrangement with a top wall portion having etchant holes therein

Ink-jet printhead and manufacturing method thereof

Printhead integrated circuit with an ink ejecting surface

Nozzle arrangement with a movement sensor for an inkjet printer

Nozzle arrangement with a movement sensor for an inkjet printer

Ink jet printhead integrated circuit with surface-processed thermal actuators

Printhead including a looped heater element

Printhead with barrier at chamber inlet

Inkjet printhead with narrow printing zone

Printhead with a two-dimensional array of reciprocating ink nozzles

Inkjet nozzle incorporating serpentine actuator

Inkjet nozzle array with individual feed channel for each nozzle

Inkjet nozzle with supply duct dimensioned for viscous damping

Inkjet printhead with integral nozzle plate

Inkjet nozzle with ink feed channels etched from back of wafer

Printhead incorporating a two dimensional array of ink ejection ports

Nozzle for an inkjet printer incorporating a plunger assembly

Nozzle arrangement with a movable roof structure

Inkjet nozzle device with static and movable nozzle portions

Thermo-buckled micro actuation unit made of polymer of high thermal expansion coefficient

Nozzle arrangement for an inkjet printhead chip that incorporates a nozzle chamber reduction mechanism

Nozzle arrangement for an inkjet printer with multiple actuator devices

Inkjet nozzle with CMOS compatible actuator voltage

Ink printhead nozzle arrangement with volumetric reduction actuators

Nozzle arrangement with an ink ejecting displaceable roof structure

Thermal bend actuator arrangement with a diagnostic sensor

Method for manufacturing an inkjet nozzle that incorporates heater actuator arms

Ink jet nozzle arrangement incorporating mechanically coupled bend actuator arms

Inkjet printhead having inkjet nozzle arrangements incorporating dynamic and static nozzle parts

Method of fabricating a printhead integrated circuit with a nozzle chamber in a wafer substrate

Method for manufacturing a micro-electromechanical nozzle arrangement on a substrate with an integrated drive circutry layer

Micro-electromechanical nozzle assembly with an arcuate actuator

Ink jet nozzle arrangement with volumetric ink ejection means

Inkjet nozzle assembly with pre-shaped actuator

Ink jet nozzle arrangement with a segmented actuator nozzle chamber cover

Method of manufacturing an inkjet nozzle assembly for volumetric ink ejection

Nozzle arrangement for an inkjet printing device with volumetric ink ejection

Micro-electromechanical ink ejection device with an elongate actuator

Inkjet printhead with common chamber and actuator material

Micro-electromechanical ink ejection mechanism that incorporates lever actuation

Micro-electromechanical ink ejection mechanism with electro-magnetic actuation

Ink jet printhead with amorphous ceramic chamber

Ink jet nozzle assembly with over-actuation detection

Printhead having inkjet actuators with contractible chambers

Inkjet printhead having inkjet nozzle arrangements incorporating lever mechanisms

Inkjet nozzle that incorporates volume-reduction actuation

Printhead having multiple thermal actuators for ink ejection

Ink jet printhead with active and passive nozzle chamber structures arrayed on a substrate

Inkjet nozzle incorporating a cleaning structure

Method of fabricating printhead IC to have displaceable inkjets

Nozzle for ejecting ink

Fluid ejection device with inner and outer arms

Ink nozzle

Doubly-anchored thermal actuator having varying flexural rigidity

Fluid ejection device having an elongate micro-electromechanical actuator

Printhead integrated circuit with planar actuators

Liquid drop emitter with split thermo-mechanical actuator

Double-action micro-electromechanical device

Ink jet printhead chip with predetermined micro-electromechanical systems height

Ink jet nozzle arrangement that incorporates a movement sensor

Inkjet printing device that includes nozzles with volumetric ink ejection mechanisms

Micro-electromechanical actuating mechanism with built-in test circuit

Pressure enhancing formations in an ink jet printhead

Fluid ejection device with micro-electromechanical fluid ejection actuators

Micro-electromechanical fluid ejection device with through-wafer inlets and nozzle chambers

MEMS fluid ejection device configured for detecting a fault condition

Printhead integrated circuit comprising inkjet nozzles having moveable roof actuators

Ink jet printhead chip with volumetric ink ejection mechanisms

Ink jet nozzle arrangement having paddle forming a portion of a wall

Injet printhead with thermal bend arm exposed to ink flow

Ink jet printhead having nozzle arrangement with flexible wall actuator

Inkjet printhead having compact inkjet nozzles

Printhead integrated circuit having ink ejecting thermal actuators

Inkjet printhead having multiple-sectioned nozzle actuators

Method of detecting over-actuation of MEM device

Inkjet printhead with micro-electromechanical fluid ejection devices having integrated movement sensors

Inkjet printhead comprising contractible nozzle chambers

Method of detecting a blockage within an inkjet nozzle

High nozzle density inkjet printhead

Moveable ejection nozzles in an inkjet printhead

Printer with ink printhead nozzle arrangement having thermal bend actuator

Method of fabricating inkjet nozzle chambers

Printer nozzle for ejecting ink

Inkjet nozzle chamber with electrostatically attracted plates

Ink printhead nozzle arrangement with thermal bend actuator

Printhead chip with nozzle-clearing structures

Printhead chip having actuators with enhanced structural integrity

Method of depositing heater material over a photoresist scaffold

Nozzle assembly

Print media transport assembly

Printhead nozzle arrangement with a micro-electromechanical shape memory alloy based actuator

Inkjet nozzle with individual ink feed channels etched from both sides of wafer

Inkjet chamber with ejection actuator between inlet and nozzle

Method of fabricating inkjet nozzles

Ink jet nozzle to eject ink

Inkjet printhead having nozzle plate supported by encapsulated photoresist

Printer with printhead having moveable ejection port

Testing of a micro-electromechanical device for under actuation

Method of fabricating monolithic microelectromechanical fluid ejection device

Printhead chip that incorporates nozzle chamber reduction mechanisms

Printhead chip incorporating double action shutter mechanisms

Printhead chip incorporating a double action ink ejection mechanism

Printhead chip that incorporates micro-mechanical lever mechanisms

Inkjet printhead with integral nozzle plate

Snap-through thermal actuator

Snap-through thermal actuator

Micro-electromechanical fluid ejection device having actuator mechanisms located in chamber roof structure

Ink jet printhead with ink ejection direction control

Micro-electromechanical fluid ejection device that incorporates a shape memory alloy based actuator

Inkjet printhead chip with volume-reduction actuation

Micro-electromechanical device with built-in fault detection

Testing regime for a micro-electromechanical device

Ink jet nozzle with thermally operable linear expansion actuation mechanism

Micro-electromechanical fluid ejection device having a buckle-resistant actuator

Method of fabricating a micro-electromechanical fluid ejection device

Inkjet nozzle with supply duct dimensioned for viscous damping

Web printing system having media cartridge carousel

Nozzle with reciprocating plunger

Inkjet nozzle with ink feed channels etched from back of wafer

Method of detecting a fault in a micro-electromechanical device

Micro-electromechanical fluid ejection device having an integrated movement sensor

Method of detecting a fault condition in a micro-electromechanical device

Symmetric ink jet apparatus

Inkjet nozzle chamber with single inlet and plurality of nozzles

Ink jet nozzle with multiple actuators for reducing chamber volume

Inkjet chamber with plurality of nozzles

Inkjet chamber with aligned nozzle and inlet

Inkjet printer with low nozzle to chamber cross-section ratio

Inkjet nozzle with ink supply channel parallel to drop trajectory

Micro-electromechanical fluid ejection device with guided actuator movement

Inkjet printer with low droplet to chamber volume ratio

Inkjet nozzle with long ink supply channel

Inkjet printhead with narrow printing zone

Inkjet nozzle with CMOS compatible actuator voltage

Inkjet nozzle chamber holding two fluids

Inkjet nozzle array with individual feed channel for each nozzle

Inkjet nozzle with resiliently biased ejection actuator

Printhead assembly arrangement for a wide format pagewidth inkjet printer