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Ozgur Yildirim
Arun K Agarwal, Julie J Cox, Jules G Moritz, Ozgur Yildirim: Fluid ejection device. Hewlett Packard Development Company, October 7, 2008: US07431434 (5 worldwide citation)

A fluid ejection device includes a fluid chamber, a fluid restriction communicated with the fluid chamber, and a fluid channel communicated with the fluid restriction, wherein a width of the fluid restriction is in a range of approximately 8 microns to approximately 16 microns, and a length of the f ...


2
Ozgur Yildirim
Ozgur Yildirim, Gilbert G Smith, Mike Steed: Managing bubbles in a fluid-delivery device. Hewlett Packard Development Company, August 22, 2006: US07093930 (5 worldwide citation)

Methods and systems for managing bubbles in a micro electro mechanical systems device are described. One exemplary system includes a fluid-feed channel configured to supply fluid to a plurality of ejection chambers, individual ejection chambers comprising a resistor configured to eject fluid from th ...


3
Ozgur Yildirim
Elizabeth A Fellner, James Pingel, Matthew David Giere, Satya Prakash, David W Jenkins, James A Feinn, Arun K Agarwal, Julie J Cox, Jules G Moritz, Ozgur Yildirim: Fluid ejection device. Hewlett Packard Development Company, April 14, 2009: US07517056 (1 worldwide citation)

A fluid ejection device includes a fluid chamber, a fluid restriction communicated with the fluid chamber, and a fluid channel communicated with the fluid restriction. The fluid restriction has a fluid restriction parameter defined as (2*W+2*H)*L/(H*W), wherein W is a width of the fluid restriction, ...


4
Erwin Meinders
Meinders Erwin R, Mijiritskii Andrei: Record carrier and method of recording an image. Koninklijke Philips Electronics, Meinders Erwin R, Mijiritskii Andrei, UITTENBOGAARD Frank, November 3, 2005: WO/2005/102715 (1 worldwide citation)

A record carrier (10) and a method of recording an image on a record carrier (10) are provided. On top of a colored pixel pattern layer (14) a mask layer (18) is arranged, the optical transparency of which can be changed by applying heat by a laser beam (24). In order to protect the colored pixel pa ...


5
Erwin Meinders
Meinders Erwin R, Mijiritskii Andrei: Record carrier and method of recording an image. Koninklijke Philips Electronics, Meinders Erwin R, Mijiritskii Andrei, UITTENBOGAARD Frank, November 3, 2005: WO/2005/104126 (1 worldwide citation)

A record carrier (10) and a method of recording an image on a record carrier (10) are provided. A plurality of optical property changing layers (12,14,16) that change their color upon the application of thermal energy applied by a laser beam (18) is provided. It depends on the power of the laser bea ...


6
Ozgur Yildirim
Ozgur Yildirim, Ralph Stathem: System for priming a fluid dispenser by expanding gas bubbles. Hewlett Packard Development Company, October 21, 2014: US08864296

A fluid-dispensing head includes a plenum configured to house fluid; at least one dispensing head orifice in fluid communication with the ink plenum; and at least one heating element configured to heat fluid in the head such that gas bubbles disposed within the fluid increase in surface area.


7
Ozgur Yildirim
Bradley D Chung, Bhavin Shah, Anthony M Fuller, Ozgur Yildirim, Garrett E Clark: Heating element. Hewlett Packard Development Company, March 27, 2012: US08141986

A heating element of a fluid ejection device includes an insulative layer, a resistor portion interposed between and spaced apart from a pair of conductive portions, and an upper structure defining a fluid chamber above the resistor portion. The insulative layer defines a shoulder portion adjacent a ...


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9
Ozgur Yildirim
Bradley D Chung, Bhavin Shah, Anthony M Fuller, Ozgur Yildirim, Garrett E Clark: Heating element. Hewlett Packard Development Company, November 23, 2010: US07837886

A method of making a printhead comprises forming a resistor strip in a heating region of the printhead. In a first portion of the heating region, a resistive layer is formed including a central resistor region interposed between two spaced apart conductive elements. In the method, a conductive layer ...


10
Ozgur Yildirim
Ozgur Yildirim, Ralph Stathem: Systems and Methods of Priming a Fluid Dispenser. Hewlett Packard Company, July 30, 2009: US20090189941-A1

A method of priming a fluid-dispensing head includes heating a fluid in fluid pathways of the fluid-dispensing head prior to fluid-dispensing operations to increase a surface area of gas bubbles in the fluid pathways. A fluid-dispensing head includes a plenum configured to house fluid; at least one ...



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