Patents by Inventor Xiaorong Cai

Xiaorong Cai 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).

  • Publication number: 20140142245
    Abstract: An aqueous composition for forming a micro-fluid jet printable dielectric film layer, methods for forming dielectric film layers, and dielectric film layers formed by the method. The aqueous composition includes from about 5 to about 20 percent by 65 weight of a polymeric binder emulsion, from about 10 to about 30 percent by weight of a humectant, from about 0 to about 3 percent by weight of a surfactant, and an aqueous carrier fluid. The aqueous composition has a viscosity ranging from about 2 to about 6 centipoise at a temperature of about 23° C.
    Type: Application
    Filed: January 10, 2014
    Publication date: May 22, 2014
    Applicant: FUNAI ELECTRIC CO., LTD
    Inventors: Xiaorong CAI, Michael John DIXON, Yimin GUAN, Ann P. HOLLOWAY, Jeanne Marie Saldanha SINGH, Zhigang XIAO
  • Patent number: 8659158
    Abstract: An aqueous composition for forming a micro-fluid jet printable dielectric film layer, methods for forming dielectric film layers, and dielectric film layers formed by the method. The aqueous composition includes from about 5 to about 20 percent by weight of a polymeric binder emulsion, from about 10 to about 30 percent by weight of a humectant, from about 0 to about 3 percent by weight of a surfactant, and an aqueous carrier fluid. The aqueous composition has a viscosity ranging from about 2 to about 6 centipoise at a temperature of about 23° C.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: February 25, 2014
    Assignee: Funai Electric Co., Ltd.
    Inventors: Xiaorong Cai, Michael John Dixon, Yimin Guan, Ann P. Holloway, Jeanne Marie Saldanha Singh, Zhigang Xiao
  • Publication number: 20130284694
    Abstract: Disclosed is an ejection device for an inkjet printer that includes an ejection chip having a substrate and at least one fluid ejecting element. The ejection device further includes a fluidic structure configured over the ejection chip. The fluidic structure includes a nozzle plate composed of an organic material and includes a plurality of nozzles. The fluidic structure further includes a flow feature layer configured in between the ejection chip and the nozzle plate. The flow feature layer is composed of an organic material and includes a plurality of flow features. Furthermore, the fluidic structure includes a liner layer encapsulating the nozzle plate. The liner layer further at least partially encapsulates each flow feature of the plurality of flow features. The liner layer is composed of an inorganic material. Further disclosed is a method for fabricating the ejection device.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 31, 2013
    Inventors: Xiaorong CAI, Jiandong FANG, Xiaoming WU, Elaine Yeap MONEY, Eunki HONG, Yimin GUAN, Burton JOYNER, II, Sean Terrance WEAVER, David GRAHAM, Zach REITMEIER
  • Patent number: 8349211
    Abstract: The present invention relates to a fluorescent inkjet composition. The inkjet composition includes a fluorescent dispersion including a fluorescent colorant; wherein the inkjet composition emits light at a first intensity I1 in the range of 450 nm to 700 nm upon excitation by incident light having a wavelength in the range of 250 to 400 nm. In addition, the inkjet composition is capable of emitting light at a second intensity I2 upon exposure to a temperature of 60 ° C. for 8 weeks, wherein I2=(0.50 to 1.0)*I1.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: January 8, 2013
    Assignee: Lexmark International, Inc.
    Inventor: Xiaorong Cai
  • Publication number: 20130005851
    Abstract: The present invention relates to a unique polymer dispersant mixture to be incorporated into a carbon black ink formulation. More particularly, the a polymeric dispersant mixture consists of a first polymer dispersant having moieties of methacrylic acid; poly(propylene glycol)-4-nonylphenyl ether acrylate; and poly(ethylene glycol)2,4,6-tris-(1-phenylethyl)phenyl ether methacrylate in combination with a second polymer dispersant selected from the group consisting of a copolymer of methacrylic acid and benzyl methacrylate and a terpolymer of styrene, alpha-methyl styrene and acrylic acid. Carbon black inkjet inks having this particular polymer dispersant mixture exhibit improved text quality when compared to carbon black inks not having this polymer dispersant mixture.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Inventors: Xiaorong Cai, Elaine Money
  • Publication number: 20120274707
    Abstract: Disclosed is an ejection device for an inkjet printer that includes an ejection chip having a substrate and at least one fluid ejecting element. The ejection device further includes a fluidic structure configured over the ejection chip. The fluidic structure includes a nozzle plate composed of an organic material and includes a plurality of nozzles. The fluidic structure further includes a flow feature layer configured in between the ejection chip and the nozzle plate. The flow feature layer is composed of an organic material and includes a plurality of flow features. Furthermore, the fluidic structure includes a liner layer encapsulating the nozzle plate. The liner layer further at least partially encapsulates each flow feature of the plurality of flow features. The liner layer is composed of an inorganic material. Further disclosed is a method for fabricating the ejection device.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 1, 2012
    Inventors: Xiaorong Cai, Jiandong Fang, Xiaoming Wu, Elaine Yeap Money, Eunki Hong, Yimin Guan, Burton Joyner, II, Sean Terrance Weaver, David Graham, Zach Reitmeier
  • Publication number: 20120172490
    Abstract: The present invention relates to a carbon black inkjet ink having improved text quality and resistance to kogation. The formulation for inkjet ink combines a non-ionic ethoxylate surfactant having at least 30 moles of ethylene oxide with a particular set of three humectants. The inkjet ink formulation also included a polymeric dispersant.
    Type: Application
    Filed: December 31, 2010
    Publication date: July 5, 2012
    Inventors: Xiaorong Cai, Elaine Money
  • Patent number: 8172378
    Abstract: The present invention relates to a carbon black inkjet ink having improved printhead idle time and start up in order to substantially maintain, un-interrupted printing with better nozzle jetting. The inkjet ink includes a non-ionic silicone surfactant, a polymeric dispersant, and two or more humectants.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: May 8, 2012
    Assignee: Lexmark International, Inc.
    Inventor: Xiaorong Cai
  • Patent number: 7841687
    Abstract: A system for identifying a prescribed inkjet ink includes a controlled substrate, a quantity of ink dispensed from a printhead of an ink cartridge onto the controlled substrate which supports the dispensed ink in a freestanding form, a light emitter configured and positioned to transmit light in a first preselected wavelength bandwidth onto the freestanding dispensed ink, a light sensor configured and positioned to detect light m a second preselected wavelength bandwidth different from the first preselected wavelength bandwidth by a fluorescent additive contained in the freestanding dispensed ink, and a signal analyzer electrically connected to the light sensor and operable to produce an electrical output signal corresponding to such light emissions such that an electrical output signal above a given level is indicative of the presence of the prescribed ink in the ink cartridge.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: November 30, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Xiaorong Cai, Ajay Kanubhai Suthar
  • Publication number: 20100285219
    Abstract: The present invention relates to a carbon black inkjet ink having improved printhead idle time and start up in order to substantially maintain, un-interrupted printing with better nozzle jetting. The inkjet ink includes a non-ionic silicone surfactant, a polymeric dispersant, and two or more humectants.
    Type: Application
    Filed: May 8, 2009
    Publication date: November 11, 2010
    Inventor: Xiaorong Cai
  • Publication number: 20100149232
    Abstract: A system for identifying a particular inkjet ink includes an ink delivery tubing interconnecting an ink cartridge and a printhead, a quantity of ink dispensing from the ink cartridge to the printhead by flowing through the ink delivery tubing, a light emitter configured and positioned to transmit light in a first preselected wavelength bandwidth onto the ink delivery tubing and the ink flowing therethrough, a photo sensor configured and positioned to detect light in a different second preselected wavelength bandwidth that is emitted by a fluorescent additive contained in the dispensed ink, and a signal analyzer electrically connected to the photo sensor and operable to produce an electrical output signal corresponding to such light emissions such that an electrical output signal above a given level is indicative of the presence of the particular ink in the ink cartridge.
    Type: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Inventor: Xiaorong Cai
  • Publication number: 20100098838
    Abstract: Methods of tuning a printable dielectric layer, dielectric layers made by the method, and devices incorporating the dielectric layers. One such method includes printing a first dielectric composition and a second dielectric composition onto a substrate to provide a mixed composition. The first dielectric composition includes a first concentration of dispersed particles in a carrier fluid and the second dielectric composition includes a polymeric binder component. The mixed composition has a second concentration of particles.
    Type: Application
    Filed: December 23, 2009
    Publication date: April 22, 2010
    Inventors: Xiaorong Cai, Michael John Dixon, Mohanram Jayaram, Jeanne Marie Saldanha Singh
  • Patent number: 7690778
    Abstract: A printhead auto-alignment detection system includes a UV LED configured and positioned to transmit light in ultraviolet wavelengths onto a printed printhead alignment pattern formed using an aqueous ink having a UV fluorescing material. A sensor is configured and positioned to detect light in visible wavelengths emitted by the fluorescing material. A controller is communicatively coupled to the UV LED and the sensor. The controller is configured to execute program instructions for controlling the output of the UV LED and for reading a signal output of the sensor during a printhead alignment operation.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: April 6, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Xiaorong Cai, Xuan-Chao Huang, Richard L. Reel, Ajay Kanubhai Suthar
  • Patent number: 7681980
    Abstract: An ink identification and detection system includes an imaging apparatus. An ink tank is mounted to the imaging apparatus. The ink tank has a transparent portion. An ink is contained in the ink tank. The ink includes a fluorescing material. An ink detection device is communicatively coupled to a controller. The ink detection device is configured to emit light in a non-visible spectrum of light through the transparent portion to the ink, and is configured to detect light in a visible or near-infrared spectrum of light emitted through the transparent portion by the fluorescing material in the ink. The ink detection device supplies a signal representing the detected light to the controller for identifying the ink.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: March 23, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Xiaorong Cai, Mahesan Chelvayohan
  • Patent number: 7682434
    Abstract: The present invention provides a pigment ink formulation containing a wax emulsion is disclosed. The wax emulsion comprises a specific wax and surfactant combination. In particular, the wax comprises a linear polyethylene wax and the surfactant is an alkyl ether carboxylate. The wax emulsion can be made by any process for preparing emulsions used by those skilled in the art such as typical homogenization methods. Applicants have discovered that such a wax emulsion can not only improve the scratch resistance of pigmented ink, but also improve other handling problems such as scuff and smear.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: March 23, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Charles Edward Akers, Jr., Michael James Bensing, Rahel Bekru Bogale, Xiaorong Cai, Jun Li, Jing X. Sun, Qi Yin
  • Publication number: 20100033519
    Abstract: A system for identifying a prescribed inkjet ink includes a controlled substrate, a quantity of ink dispensed from a printhead of an ink cartridge onto the controlled substrate which supports the dispensed ink in a freestanding form, a light emitter configured and positioned to transmit light in a first preselected wavelength bandwidth onto the freestanding dispensed ink, a light sensor configured and positioned to detect light m a second preselected wavelength bandwidth different from the first preselected wavelength bandwidth by a fluorescent additive contained in the freestanding dispensed ink, and a signal analyzer electrically connected to the light sensor and operable to produce an electrical output signal corresponding to such light emissions such that an electrical output signal above a given level is indicative of the presence of the prescribed ink in the ink cartridge.
    Type: Application
    Filed: August 6, 2008
    Publication date: February 11, 2010
    Inventors: Xiaorong Cai, Ajay Kanubhai Suthar
  • Patent number: 7624500
    Abstract: The disclosure relates to circuits and methods for the manufacture of circuits, such as those which avoid the formation of undesirable short circuit paths. One such method maintains a layout area of a fluid composition receiving layer within a layout area of a dielectric layer. Another such method relates to the application of fluid composition receiving layers, conductive layers, and dielectric layers, such as in the provision of printed circuits.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: December 1, 2009
    Assignee: Lexmark International, Inc.
    Inventors: Xiaorong Cai, Michael John Dixon, Yimin Guan, Elios Klemo, Bryan Dale McKinley, Paul Sacoto, Jeanne Marie Saldanha Singh, George Nelson Woolcott, Frank Edward Anderson
  • Publication number: 20090288580
    Abstract: The present invention relates to a fluorescent inkjet composition. The inkjet composition includes a fluorescent dispersion including a fluorescent colorant; wherein the inkjet composition emits light at a first intensity I1 in the range of 450 nm to 700 nm upon excitation by incident light having a wavelength in the range of 250 to 400 nm. In addition, the inkjet composition is capable of emitting light at a second intensity I2 upon exposure to a temperature of 60 ° C. for 8 weeks, wherein I2=(0.50 to 1.0)*I1.
    Type: Application
    Filed: May 23, 2008
    Publication date: November 26, 2009
    Inventor: Xiaorong Cai
  • Publication number: 20090115804
    Abstract: An ink identification and detection system includes an imaging apparatus. An ink tank is mounted to the imaging apparatus. The ink tank has a transparent portion. An ink is contained in the ink tank. The ink includes a fluorescing material. An ink detection device is communicatively coupled to a controller. The ink detection device is configured to emit light in a non-visible spectrum of light through the transparent portion to the ink, and is configured to detect light in a visible or near-infrared spectrum of light emitted through the transparent portion by the fluorescing material in the ink. The ink detection device supplies a signal representing the detected light to the controller for identifying the ink.
    Type: Application
    Filed: November 2, 2007
    Publication date: May 7, 2009
    Inventors: Xiaorong Cai, Mahesan Chelvayohan
  • Publication number: 20090071366
    Abstract: The present invention provides a pigment ink formulation containing a wax emulsion is disclosed. The wax emulsion comprises a specific wax and surfactant combination. In particular, the wax comprises a linear polyethylene wax and the surfactant is an alkyl ether carboxylate. The wax emulsion can be made by any process for preparing emulsions used by those skilled in the art such as typical homogenization methods. Applicants have discovered that such a wax emulsion can not only improve the scratch resistance of pigmented ink, but also improve other handling problems such as scuff and smear.
    Type: Application
    Filed: September 18, 2007
    Publication date: March 19, 2009
    Inventors: Charles Edward Akers, JR., Michael James Bensing, Rahel Bekru Bogale, Xiaorong Cai, Jun Li, Jing X. Sun, Qi Yin