Patents by Inventor Bradley J. Gerner
Bradley J. Gerner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8714722Abstract: A structure and method including a filter assembly, wherein the structure can be an ink jet printhead including the filter assembly. The filter assembly can include a first filter layer having a plurality of pores therein, wherein the pores have a first pitch, and a second filter layer having a plurality of pores therein, wherein the pores in the second filter layer have a second pitch which is different than the first pitch. The structure can include a fluid path through the filter assembly. An area of overlap of the pores in the first filter layer with the pores in the second filter layer, in a vertical direction perpendicular to a plane of the filter assembly, can include a periodicity.Type: GrantFiled: July 20, 2012Date of Patent: May 6, 2014Assignee: Xerox CorporationInventors: Andrew W. Hays, Jun Ma, Peter J. Nystrom, Bradley J. Gerner
-
Publication number: 20140022320Abstract: A structure and method including a filter assembly, wherein the structure can be an ink jet printhead including the filter assembly. The filter assembly can include a first filter layer having a plurality of pores therein, wherein the pores have a first pitch, and a second filter layer having a plurality of pores therein, wherein the pores in the second filter layer have a second pitch which is different than the first pitch. The structure can include a fluid path through the filter assembly. An area of overlap of the pores in the first filter layer with the pores in the second filter layer, in a vertical direction perpendicular to a plane of the filter assembly, can include a periodicity.Type: ApplicationFiled: July 20, 2012Publication date: January 23, 2014Applicant: XEROX CORPORATIONInventors: Andrew W. HAYS, Jun MA, Peter J. NYSTROM, Bradley J. GERNER
-
Patent number: 8621750Abstract: An electrical interconnect has an adhesive layer in which is formed an array of apertures, the apertures being of non-circular shape. An electrical circuit apparatus has a first circuit having at least one electrical contact, a second circuit having at least one electrical contact aligned to the electrical contact of the first circuit, and a standoff structure between the first and second circuits having at least one aperture aligned to one electrical contact of the first and second circuits, the aperture being of a non-circular shape.Type: GrantFiled: November 23, 2009Date of Patent: January 7, 2014Assignee: Xerox CorporationInventors: Richard Schmachtenberg, III, John R. Andrews, Bradley J. Gerner, Jonathan R. Brick, Samuel Schultz, Chad J. Slenes
-
Patent number: 8567924Abstract: A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing an interstitial layer over the diaphragm, electrically coupling a plurality of conductive elements to the plurality of piezoelectric elements, and curing the interstitial layer. A plurality of electrically isolated conductive particles within the interstitial layer electrically couple the plurality of conductive elements to the plurality of piezoelectric elements. The conductive particles can be evenly distributed throughout the totality of the interstitial layer dielectric, or they can be localized over a top surface of each piezoelectric element and interposed between the plurality of piezoelectric elements and the plurality of conductive elements. The conductive elements can be part of a flex circuit or printed circuit board.Type: GrantFiled: April 7, 2011Date of Patent: October 29, 2013Assignee: Xerox CorporationInventors: Bradley J. Gerner, Bryan R. Dolan, John R. Andrews, Peter J. Nystrom
-
Patent number: 8562114Abstract: A manifold assembly has been constructed that filters ink before the ink enters an inkjet ejector in an inkjet print head. The manifold assembly includes an adhesive layer having openings, an ink manifold layer having a plurality of openings, the openings in the adhesive layer being aligned with the openings in the ink manifold layer, and a polymer layer having a plurality of filter areas, the filter areas being aligned with the openings in the ink manifold layer and the openings in the adhesive layer, the adhesive layer being interposed between the polymer layer and the ink manifold layer.Type: GrantFiled: April 4, 2012Date of Patent: October 22, 2013Assignee: Xerox CorporationInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin, Antonio DeCrescentis
-
Patent number: 8540346Abstract: An aperture plate for a print head of a printer can include a first layer having a first emissivity which is covered by a second layer having a second emissivity which is less than the first emissivity. In an embodiment, the second layer can be etched at nozzle locations to form openings in the second layer which have widths/areas greater than widths/areas of nozzles formed in the first layer. In another embodiment, the second layer can have a smaller thickness at the nozzle locations and a larger thickness away from the nozzle locations. Forming the openings in the second layer which are larger than the nozzles, or forming the second layer thinner at the nozzle locations prior to forming the nozzles, can provide a well-formed nozzle and an aperture plate having a low emissivity.Type: GrantFiled: April 27, 2011Date of Patent: September 24, 2013Assignee: Xerox CorporationInventors: Bryan R. Dolan, Peter M. Gulvin, Hong Zhao, John R. Andrews, Bradley J. Gerner, Antonio Williams, Kock-Yee Law, David P. Platt, Terrance L. Stephens
-
Patent number: 8491747Abstract: A method for assembling an inkjet jet print head enables piezoelectric transducers to be bonded to an inkjet ejector without closing inlets to a pressure chamber within the inkjet ejector. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer with a thermoset adhesive, placing thermoset polymer in areas between the piezoelectric transducers on the diaphragm layer, and drilling inlets through the thermoset polymer and the diaphragm at the openings in the diaphragm.Type: GrantFiled: November 5, 2012Date of Patent: July 23, 2013Assignee: Xerox CorporationInventors: Bryan R. Dolan, John R. Andrews, Pinyen Lin, Bradley J. Gerner, Antonio DeCrescentis
-
Patent number: 8465659Abstract: A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing a dielectric fill layer over the diaphragm and the plurality of piezoelectric elements to encapsulate the piezoelectric elements, curing the dielectric fill layer to form an interstitial layer, then removing the interstitial layer from an upper surface of the plurality of piezoelectric elements using a plasma etch.Type: GrantFiled: January 21, 2011Date of Patent: June 18, 2013Assignee: Xerox CorporationInventors: Bryan R. Dolan, John R. Andrews, Bradley J. Gerner, Mark A. Cellura
-
Patent number: 8408683Abstract: A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.Type: GrantFiled: April 4, 2012Date of Patent: April 2, 2013Assignee: Xerox CorporationInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin
-
Patent number: 8303093Abstract: A method for assembling an inkjet jet print head enables piezoelectric transducers to be bonded to an inkjet ejector without closing inlets to a pressure chamber within the inkjet ejector. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer with a thermoset adhesive, placing thermoset polymer in areas between the piezoelectric transducers on the diaphragm layer, and drilling inlets through the thermoset polymer and the diaphragm at the openings in the diaphragm.Type: GrantFiled: December 15, 2009Date of Patent: November 6, 2012Assignee: Xerox CorporationInventors: Bryan R. Dolan, John R. Andrews, Pinyen Lin, Bradley J. Gerner, Antonio DeCrescentis
-
Publication number: 20120274706Abstract: An aperture plate for a print head of a printer can include a first layer having a first emissivity which is covered by a second layer having a second emissivity which is less than the first emissivity. In an embodiment, the second layer can be etched at nozzle locations to form openings in the second layer which have widths/areas greater than widths/areas of nozzles formed in the first layer. In another embodiment, the second layer can have a smaller thickness at the nozzle locations and a larger thickness away from the nozzle locations. Forming the openings in the second layer which are larger than the nozzles, or forming the second layer thinner at the nozzle locations prior to forming the nozzles, can provide a well-formed nozzle and an aperture plate having a low emissivity.Type: ApplicationFiled: April 27, 2011Publication date: November 1, 2012Applicant: Xerox CorporationInventors: Bryan R. Dolan, Peter M. Gulvin, Hong Zhao, John R. Andrews, Bradley J. Gerner, Antonio L. Williams, Kock-Yee Law, David P. Platt, Terrance L. Stephens
-
Publication number: 20120256990Abstract: A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing an interstitial layer over the diaphragm, electrically coupling a plurality of conductive elements to the plurality of piezoelectric elements, and curing the interstitial layer. A plurality of electrically isolated conductive particles within the interstitial layer electrically couple the plurality of conductive elements to the plurality of piezoelectric elements. The conductive particles can be evenly distributed throughout the totality of the interstitial layer dielectric, or they can be localized over a top surface of each piezoelectric element and interposed between the plurality of piezoelectric elements and the plurality of conductive elements. The conductive elements can be part of a flex circuit or printed circuit board.Type: ApplicationFiled: April 7, 2011Publication date: October 11, 2012Applicant: Xerox CorporationInventors: Bradley J. Gerner, Bryan R. Dolan, John R. Andrews, Peter J. Nystrom
-
Publication number: 20120194615Abstract: A manifold assembly has been constructed that filters ink before the ink enters an inkjet ejector in an inkjet print head. The manifold assembly includes an adhesive layer having openings, an ink manifold layer having a plurality of openings, the openings in the adhesive layer being aligned with the openings in the ink manifold layer, and a polymer layer having a plurality of filter areas, the filter areas being aligned with the openings in the ink manifold layer and the openings in the adhesive layer, the adhesive layer being interposed between the polymer layer and the ink manifold layer.Type: ApplicationFiled: April 4, 2012Publication date: August 2, 2012Applicant: XEROX CORPORATIONInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin, Antonio DeCrescentis
-
Publication number: 20120186739Abstract: A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.Type: ApplicationFiled: April 4, 2012Publication date: July 26, 2012Applicant: XEROX CORPORATIONInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin
-
Publication number: 20120187076Abstract: A method for forming an ink jet print head can include attaching a plurality of piezoelectric elements to a diaphragm, dispensing a dielectric fill layer over the diaphragm and the plurality of piezoelectric elements to encapsulate the piezoelectric elements, curing the dielectric fill layer to form an interstitial layer, then removing the interstitial layer from an upper surface of the plurality of piezoelectric elements using a plasma etch.Type: ApplicationFiled: January 21, 2011Publication date: July 26, 2012Applicant: Xerox CorporationInventors: Bryan R. Dolan, John R. Andrews, Bradley J. Gerner, Mark A. Cellura
-
Patent number: 8201928Abstract: A manifold assembly has been constructed that filters ink before the ink enters an inkjet ejector in an inkjet print head. The manifold assembly includes an adhesive layer having openings, an ink manifold layer having a plurality of openings, the openings in the adhesive layer being aligned with the openings in the ink manifold layer, and a polymer layer having a plurality of filter areas, the filter areas being aligned with the openings in the ink manifold layer and the openings in the adhesive layer, the adhesive layer being interposed between the polymer layer and the ink manifold layer.Type: GrantFiled: December 15, 2009Date of Patent: June 19, 2012Assignee: Xerox CorporationInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin, Antonio DeCrescentis
-
Patent number: 8197037Abstract: A method for mounting a piezoelectric transducer layer to a diaphragm layer exposes an electrode for each piezoelectric transducer after thermoset polymer filling the interstitial space between the piezoelectric transducers has been cured. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer, filling areas between the piezoelectric transducers on the diaphragm layer with thermoset polymer, and removing the thermoset polymer from the piezoelectric transducers with a laser to expose a metal electrode on each piezoelectric transducer.Type: GrantFiled: December 15, 2009Date of Patent: June 12, 2012Assignee: Xerox CorporationInventors: Bradley J. Gerner, John R. Andrews, Bryan R. Dolan, Pinyen Lin
-
Patent number: 8177338Abstract: An inkjet ejector has been developed that enables the ejector to be operated at a frequency greater than 80 kHz. The inkjet ejector includes a body layer in which a pressure chamber is configured with an outlet having a volume that is less than a predetermined volumetric threshold, a flexible diaphragm plate disposed on the pressure chamber to form a wall of the pressure chamber, a piezoelectric transducer having a bottom surface attached to the diaphragm plate, and an inlet layer in which an inlet channel is configured to connect the pressure chamber to a source of liquid ink, a cross-sectional area of the inlet channel at the pressure chamber divided by a length of the inlet channel being greater than a predetermined linear threshold.Type: GrantFiled: December 10, 2009Date of Patent: May 15, 2012Assignee: Xerox CorporationInventors: John R. Andrews, Terrance Lee Stephens, Gerald A. Domoto, Bradley J. Gerner
-
Publication number: 20120092416Abstract: An aperture plate including a first layer having a first emissivity; a second layer having a second emissivity disposed over the first layer; wherein the first emissivity is higher than the second emissivity; and optionally, at least one additional layer disposed over the second layer. A method for preparing an aperture plate including providing a first layer having a first emissivity; disposing a second layer having a second emissivity over the first layer; wherein the first emissivity is higher than the second emissivity; optionally, disposing at least one additional layer over the second layer; and forming at least one aperture, wherein aperture formation can be before or after disposing the second layer over the first layer.Type: ApplicationFiled: October 15, 2010Publication date: April 19, 2012Applicant: Xerox CorporationInventors: David P. Platt, Terrance L. Stephens, John R. Andrews, Bradley J. Gerner
-
Publication number: 20110141204Abstract: A method for assembling an inkjet jet print head enables piezoelectric transducers to be bonded to an inkjet ejector without closing inlets to a pressure chamber within the inkjet ejector. The method includes bonding a polymer layer to a diaphragm layer having a plurality of openings, bonding piezoelectric transducers to the diaphragm layer with a thermoset adhesive, placing thermoset polymer in areas between the piezoelectric transducers on the diaphragm layer, and drilling inlets through the thermoset polymer and the diaphragm at the openings in the diaphragm.Type: ApplicationFiled: December 15, 2009Publication date: June 16, 2011Applicant: Xerox CorporationInventors: Bryan R. Dolan, John R. Andrews, Pinyen Lin, Bradley J. Gerner, Antonio DeCrescentis