1
James M Chwalek, John A Lebens: Ink printing with drop separation. Eastman Kodak Company, Walter S Stevens, February 8, 2000: US06022099 (248 worldwide citation)

A liquid ink, drop on demand page-width print-head comprises a semiconductor substrate, a plurality of drop-emitter nozzles fabricated on the substrate; an ink supply manifold coupled to the nozzles; pressure means for subjecting ink in the manifold to a pressure above ambient pressure causing a men ...


2
Pranab Bagchi, Ravi Sharma, Constance N Anagnostopoulos, Gilbert A Hawkins, John A Lebens, Thierry Vachette, James M Chwalek, David S Ross: Ink compositions containing surfactant sols comprising mixtures of solid surfactants. Eastman Kodak Company, Paul A Leipold, June 29, 1999: US05916358 (100 worldwide citation)

The invention is related to an aqueous ink composition comprising water, a coloring agent, and solid surfactant particles wherein said solid particles comprise a mixture of at least two surfactants with very low water solubility and with melting points between 40.degree. C. and 90.degree. C.


3
Gregory S Jarrold, John A Lebens: Thermal actuator. Eastman Kodak Company, Mark G Bocchetti, William R Zimmerli, May 13, 2003: US06561627 (99 worldwide citation)

A thermal actuator is taught for a micro-electromechanical device. The thermal actuator includes a base element, a cantilevered element extending from the base element and normally residing in a first position. The cantilevered element includes a first layer constructed of a dielectric material havi ...


4
John A Lebens: Method of manufacturing a thermally actuated liquid control device. Eastman Kodak Company, William R Zimmerli, November 11, 2003: US06644786 (86 worldwide citation)

Methods for manufacturing thermally actuated liquid control devices such as ink jet printheads and fluid microvalves are disclosed. Thermal actuators for a micro-electromechanical devices are manufactured by process steps of forming a bottom layer of a bottom material on a substrate having a flat su ...


5
David P Trauernicht, Edward P Furlani, John A Lebens: Thermal actuator with reduced temperature extreme and method of operating same. Eastman Kodak Company, William R Zimmerli, February 3, 2004: US06685303 (70 worldwide citation)

An apparatus for a thermal actuator for a micromechanical device, especially a liquid drop emitter such as an ink jet printhead, is disclosed. The disclosed thermal actuator comprises a base element and a cantilevered element extending from the base element and normally residing at a first position ...


6
Antonio Cabal, Edward P Furlani, John A Lebens, David P Trauernicht, David S Ross: Multi-layer thermal actuator with optimized heater length and method of operating same. Eastman Kodak Company, William R Zimmerli, July 29, 2003: US06598960 (68 worldwide citation)

An apparatus for and method of operating a thermal actuator for a micromechanical device, especially a liquid drop emitter such as an ink jet printhead, is disclosed. The disclosed thermal actuator comprises a base element and a cantilevered element extending a length L from a base element and norma ...


7
Joseph Jech Jr, John A Lebens, John C Brazas Jr: Method for producing co-planar surface structures. Eastman Kodak Company, Thomas H Close, Stephen H Shaw, September 4, 2001: US06284560 (64 worldwide citation)

A method for producing co-planar surface areas is disclosed. At first a first layer with at least one recess is provided. Onto the first layer a second layer is deposited over the entire area of the first layer wherein the second layer has a thickness greater than the depth of the recess. The second ...


8
Constantine N Anagnostopoulos, James M Chwalek, John A Lebens, Christopher N Delametter, Walter S Stevens: Printer having mechanically-assisted ink droplet separation and method of using same. Eastman Kodak Company, Walter S Stevens, May 23, 2000: US06065825 (51 worldwide citation)

A printer having mechanically-assisted ink droplet separation and method of using same, for separating an ink meniscus from an ink nozzle orifice while clearing-away particulate matter from about the orifice. In a preferred embodiment of the invention, a heater surrounds an orifice formed by the noz ...


9
John A Lebens, Christopher N Delametter, David P Trauernicht: Continuous ink jet printer with micro-valve deflection mechanism and method of controlling same. Eastman Kodak Company, Francis H Boos Jr, Roland R Schindler II, November 5, 2002: US06474795 (51 worldwide citation)

A continuous inkjet printer in which a continuous ink stream is deflected at the printhead nozzle bore without the need for charged deflection plates or tunnels. The printhead includes a primary ink delivery channel which delivers a primary flow of pressurized ink through an ink staging chamber to t ...


10
Constantine N Anagnostopoulos, John A Lebens, Gilbert A Hawkins, David P Trauernicht, James M Chwalek, Christopher N Delametter: CMOS/MEMS integrated ink jet print head with heater elements formed during CMOS processing and method of forming same. Eastman Kodak Company, Norman Rushefsky, September 17, 2002: US06450619 (39 worldwide citation)

A continuous ink jet print head is formed of a silicon substrate that includes integrated circuits formed therein for controlling operation of the print head. An insulating layer or layers overlies the silicon substrate and has a series or an array of nozzle openings or bores formed therein along th ...