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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 ...


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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, ...


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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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Ozgur Yildirim
Arun K Agarwal, Julie J Cox, Jules G Moritz, Ozgur Yildirim: Fluid ejection device. Hewlett Packard Company, November 30, 2006: US20060268067-A1

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 ...


8
Ozgur Yildirim
Elizabeth A Fellner, James Pingel, Matthew David Giere, Satya Prakash, David W Jenkins, James A Feinn, Arun Agarwal, Julie J Cox, Jules G Moritz, Ozgur Yildirim: Fluid ejection device. Hewlett Packard Company, November 30, 2006: US20060268071-A1

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, ...


9
Ozgur Yildirim
Ozgur Yildirim, Gilbert G Smith, Mike Steed: Managing bubbles in a fluid-ejection device. Hewlett Packard Development Company, March 24, 2005: US20050062814-A1

A device for managing bubbles in a fluid and methods of same are described. O ne exemplary m ethod sequentially energizes m ultiple electrical components primarily to move a bubble contained in a fluid and not primarily to vaporize the fluid. Responsive to said energizing, the method moves a thermal ...


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Steven J Dietl, Steven A Billow, William E Bland, James M Chwalek: Fluid ejection device nozzle array configuration. Eastman Kodak Company, William Bland, William R Zimmerli, April 1, 2008: US07350902 (77 worldwide citation)

A fluid ejection device and a printhead including one or more such fluid ejection devices are provided. The fluid ejection device includes a substrate having a first nozzle array and a second nozzle array, each array having a plurality of nozzles and being arranged along a first direction, the first ...



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