Patent application number | Description | Published |
20090324308 | OIL LESS FUSING USING NANO/MICRO TEXTURED FUSING SURFACES - Exemplary embodiments provide a fixing member having a textured surface, and methods for making and using the textured fixing member. The fixing member can include a substrate having one or more functional layers formed thereon. The one or more functional layers can include an outermost or top surface having a surface wettability that is hydrophobic and/or oleophobic; ultrahydrophobic and/or ultraoleophobic; or superhydrophobic and/or superoleophobic by forming textured features. Such fixing member can be used as an oil-less fusing member for high speed, high quality electrophotographic printing to ensure and maintain a good toner release from the fused toner image on an image supporting material(e.g., a paper sheet), and further assist paper stripping. In addition, the textured surface can provide an oil-free, such as wax-free, toner design for the oil-less fixing process. | 12-31-2009 |
20100104332 | NANOMATERIAL HEATING ELEMENT FOR FUSING APPLICATIONS - In accordance with the invention, there are printing apparatuses and methods of forming an image. An exemplary printing apparatus can include a fuser subsystem including one-or more light induced heating elements, each of the one or more light induced heating elements including plurality of nanomaterials, wherein the nanomaterials are selected from the group consisting of carbon nanotubes and metal nanoshells. The exemplary printing apparatus can also include one or more light sources disposed in close proximity to the one or more light induced heating elements, each of the one or more light sources having an emission in the absorption range of the plurality of nanomaterials and disposed to produce heat in the fuser subsystem by light absorption by the plurality of nanomaterials. | 04-29-2010 |
20100151245 | FABRICATION OF LARGE AREA, TEXTURED OIL-LESS FUSING/FIXING SURFACES BY ELECTROSPINNING TECHNIQUE - In accordance with the invention, there are image forming apparatuses, fuser members, and methods of making fuser members. The fuser member can include a substrate and an electrospun layer disposed over the substrate, the electrospun layer including a structure selected from a group consisting of a fiber-on-fiber structure, a bead-on-fiber structure, and a pop-corn structure, wherein the fuser member includes a top surface that is both hydrophobic and oleophobic. | 06-17-2010 |
20100183348 | FLUORINATED CARBON NANOTUBES AND TEFLON RELATED NANOCOMPOSITES - In accordance with the invention, there are printing apparatuses, fuser members, and methods of making fuser members. The printing apparatus can include a fuser member, the fuser member including a substrate. The fuser member can also include one or more functional layers disposed over the substrate and a top coat layer including a fluorinated nanocomposite disposed over the one or more functional layers, wherein the fluorinated nanocomposite includes a plurality of fluorinated carbon nanotubes dispersed in one or more fluoropolymers. | 07-22-2010 |
20110013954 | INDUCTIVELY HEATED CARBON NANOTUBE FUSER - Systems and methods of inductively heating a fuser member in an electrophotographic device are disclosed. The systems and methods can include a heating component with a susceptor layer comprising carbon nanotubes (CNTs). An excitation unit with an electrical coil can be positioned a proximate distance from the heating component Current through the electrical coil can inductively heat the susceptor layer and the heating component. The heat from the susceptor layer and the heating component can be used to fuse toner onto an image-receiving substrate. The CNTs can reduce electronic hardware costs in the electrophotographic device in relation to the costs associated with conventional materials. | 01-20-2011 |
20110025752 | FABRICATION OF IMPROVED ALUMINUM ROLLERS WITH LOW ADHESION AND ULTRA/SUPER HYDROPHOBICITY AND/OR OLEOPHOBICITY BY ELECTROSPINNING TECHNIQUE IN SOLID INK-JET MARKING - Exemplary embodiments provide materials and methods for a printer member used in ink-jet marking systems that can include a layer electrospun over an aluminum roller to facilitate transport of a printable substrate having ink images thereon and to reduce ink offset from the printable substrate. | 02-03-2011 |
20110122195 | Coating For An Ink Jet Printhead Front Face - A coating for an ink jet printhead front face, wherein the coating comprises a low adhesion coating, wherein when the low adhesion coating is disposed on an ink jet printhead front face surface, jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a low sliding angle with the printhead front face surface, wherein the low sliding angle is less than about 1° to less than about 30°. In embodiments, the low adhesion coating is an oleophobic coating that exhibits a contact angle of greater than about 35° with ultra-violet gel ink or solid ink. | 05-26-2011 |
20110122210 | Image Conditioning Coating - A contact leveling surface for an ink jet imaging member comprising a low adhesion coating, wherein when the low adhesion coating is disposed on a contact leveling surface, jetted drops of ultra-violet gel ink exhibit a low sliding angle with the contact leveling surface, wherein the low sliding angle is less than about 1° to less than about 30°. | 05-26-2011 |
20110157276 | Superoleophobic and Superhydrophobic Devices And Method For Preparing Same - A process for preparing a flexible device having a textured superoleophobic surface comprising providing a flexible substrate; disposing a silicon layer on the flexible substrate; using photolithography to create a textured pattern in the silicon layer on the substrate wherein the textured pattern comprises an array of pillars; and chemically modifying the textured surface by disposing a conformal oleophobic coating thereon; to provide a flexible device having a superoleophobic surface and, in embodiments, to provide a flexible device having a surface that is both superoleophobic and superhydrophobic. | 06-30-2011 |
20110157277 | Superoleophobic and Superhydrophobic Surfaces And Method For Preparing Same - A process for preparing a flexible device having a superoleophobic surface comprising providing a flexible substrate; disposing a silicon layer on the flexible substrate; using photolithography to create a textured pattern in the silicon layer on the substrate wherein the textured pattern comprises a groove structure; and chemically modifying the textured surface by disposing a conformal oleophobic coating thereon; to provide a flexible device having a superoleophobic surface. | 06-30-2011 |
20110157278 | Process For Preparing An Ink Jet Print Head Front Face Having A Textured Superoleophobic Surface - A process for preparing an ink jet print head front face or nozzle plate having a textured superoleophobic surface comprising providing a silicon substrate; using photolithography to create a textured pattern in the silicon substrate; optionally, modifying the textured silicon surface by disposing a conformal oleophobic coating thereon; and forming an ink jet print head front face or nozzle plate from the textured oleophobic silicon material to provide an ink jet print head front face or nozzle plate having a textured superoleophobic surface. | 06-30-2011 |
20110189918 | FABRICATION OF PRINTHEAD NOZZLE PLATE COATING WITH SELF CLEANING AND HIGH DROOL PRESSURE BY ELECTROSPINNING TECHNIQUE - Exemplary embodiments provide materials and methods for ink jet printhead nozzle plate and related printing apparatus, wherein the ink jet printhead nozzle plate can include a coaxially electrospun layer to provide a low adhesion oleophobic textile surface exhibiting a low sliding angle and a high contact angle with ultra-violet gel ink and/or solid ink. | 08-04-2011 |
20110206902 | FUSER MEMBER - The present teachings provide a fuser member. The fuser member includes a substrate, a functional layer disposed on the substrate, and an outer layer disposed on the functional layer. The outer layer includes silicon having a texture, and a conformal oleophobic coating disposed on the silicon. | 08-25-2011 |
20110304671 | INKJET PRINTHEAD WITH SELF-CLEAN ABILITY FOR INKJET PRINTING - Described is a process for producing an inkjet printhead comprising an aperture face having an oleophobic surface. The process includes forming an aperture plate by disposing a silicon layer on an aperture plate; using photolithography to create a textured pattern on an outer surface of the silicon layer; and chemically modifying the textured surface by disposing a conformal, oleophobic coating on the textured surface. The oleophobic aperture plate may be used as a front face surface for an inkjet printhead. | 12-15-2011 |
20120044298 | THERMALLY STABLE OLEOPHOBIC LOW ADHESION COATING FOR INKJET PRINTHEAD FRONT FACE - A coating for an ink jet printhead front face, wherein the coating comprises a oleophobic low adhesion coating. When the oleophobic low adhesion coating is disposed on an ink jet printhead front face surface, jetted drops of ultra-violet gel ink or jetted drops of solid ink exhibit a contact angle greater than 45° and a low sliding angle of less than about 30°. In embodiments, the oleophobic low adhesion coating is thermally stable wherein the surface contact angle and sliding angle show little degradation after the coating is subjected to high temperatures in a range between 180° and 320° or thereabout and high pressures in a range between 100 psi and 400 psi or thereabout during printhead fabrication and manufacturing. | 02-23-2012 |
20120154487 | LOW ADHESION SOL GEL COATINGS WITH HIGH THERMAL STABILITY FOR EASY CLEAN, SELF CLEANING PRINTHEAD FRONT FACE APPLICATIONS - Various embodiments provide oleophobic, low adhesion coatings with high thermal stability and methods of forming and using them in an ink jet printhead, wherein the oleophobic, low adhesion coatings can include a sol-gel cross-linked coating by a self-condensation process of at least a silane-functionalized perfluoropolyether based polymer precursor. | 06-21-2012 |
20120268524 | INK JET PRINT HEAD FRONT FACE HAVING A TEXTURED SUPEROLEOPHOBIC SURFACE AND METHODS FOR MAKING THE SAME - An ink jet print head front face or nozzle plate having a textured superoleophobic surface that prevents undesirable drooling, wetting and/or adhesion of the ink on the print head. The textured surface includes a rim formed around the nozzle. Also described are methods for forming the textured superoleophobic ink jet print head front face or nozzle plate from silicon having the textured, oleophobic surface. | 10-25-2012 |
20120270344 | INK JET PRINT HEAD FRONT FACE HAVING A TEXTURED SUPEROLEOPHOBIC SURFACE AND METHODS FOR MAKING THE SAME - An ink jet print head front face or nozzle plate having a textured superoleophobic surface that prevents undesirable drooling, wetting and/or adhesion of the ink on the print head. The textured surface includes a rim formed around the nozzle. Also described are methods for forming the textured superoleophobic ink jet print head front face or nozzle plate from silicon having the textured, oleophobic surface. | 10-25-2012 |
20120274706 | PATTERNED METALLIZATION ON POLYIMIDE APERTURE PLATE FOR LASER-ABLATED NOZZEL - 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. | 11-01-2012 |
20120293586 | ENHANCING SUPEROLEOPHOBICITY AND REDUCING ADHESION THROUGH MULTI-SCALE ROUGHNESS BY ALD/CVD TECHNIQUE IN INKJET APPLICATION - Various embodiments provide a device having a multi-scale superoleophobic surface and methods for forming and using the device, wherein a particulate composite layer including metal-containing particulates is formed on a textured micron-/sub-micron surface of a semiconductor layer to provide device with multi-scale rough surface. | 11-22-2012 |
20130032051 | PROCESS AND STRUCTURE FOR INKJET PRINTHEAD INCLUDING A COVERLAY - A method and structure for an ink jet printhead aperture plate assembly which can be part of an ink jet printhead and an ink jet printer. The present teachings can include the use of a protective coverlay interposed between a press plate of a press and an anti-wetting coating on a polyimide layer which forms part of the aperture plate assembly. The coverlay can include a base material which has an elastic modulus which is at least a specified value. An embodiment of the present teachings can form an aperture plate assembly and an ink jet printhead having reduced dimpling and deformation around a nozzle opening in the aperture plate assembly. | 02-07-2013 |
20130044162 | SUPEROLEOPHOBIC GLASS DEVICES AND THEIR METHODS - Various embodiments provide materials and methods for a superoleophobic device, which can include a conformal oleophobic coating disposed on glass pillars and/or stripe-shaped glass structures on a glass substrate to provide the device with a textured superoleophobic surface. | 02-21-2013 |
20130093814 | SELF CLEANING PRINTHEAD - A printhead has a nozzle plate, having an array of nozzles through which ink is expelled, a low adhesion, oleophobic polymer coating on a front face of the nozzle plate. A printer has a source of solid ink, a heater arranged to-heat the solid ink and convert it to liquid ink, and a printhead, the printhead having a nozzle plate, having an of nozzles through which ink is expelled, a low adhesion, oleophobic polymer coating on a front face of the nozzle plate, the coating selected to dispel the liquid ink prior to the liquid ink returning to solid form, and a wiper positioned to wipe the front face of the nozzle plate. | 04-18-2013 |
20130096254 | PROCESS FOR THERMALLY STABLE OLEOPHOBIC LOW ADHESION COATING FOR INKJET PRINTHEAD FRONT FACE - A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 45° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 200° C. for at least 30 minutes. | 04-18-2013 |
20130280431 | PROCESS FOR THERMALLY STABLE OLEOPHOBIC LOW ADHESION COATING FOR INKJET PRINTHEAD FRONT FACE - A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 50° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 260° C. for at least 30 minutes. | 10-24-2013 |
20130333582 | METHOD AN APPARATUS FOR LEVELING A PRINTED IMAGE AND PREVENTING IMAGE OFFSET - An approach is provided for contact leveling an image applied to a media substrate. The approach involves causing, at least in part, a contact leveling member comprising at least one textured surface configured to repel one or more inks to level an image applied to the media substrate. The at least one textured surface may comprise one or more micro/nano structures configured to cause, at least in part, the at least one textured surface to have an ink contact angle greater than 100° and a sliding angle less than 30° when the at least one textured surface contacts the one or more inks. | 12-19-2013 |
20140015900 | METHOD OF MAKING SUPEROLEOPHOBIC RE-ENTRANT RESIST STRUCTURES - A device and method for preparing a device having a superoleophobic surface are disclosed. The method includes providing a substrate; coating a lift-off resist layer on the substrate; baking the lift-off resist layer; layering a photoresist layer on the lift-off resist layer; performing photolithography to create a textured pattern in the photoresist layer and the lift-off resist layer, and chemically modifying the textured pattern to create a superoleophobic surface. | 01-16-2014 |
20140022311 | THERMAL BUBBLE JETTING MECHANISM, METHOD OF JETTING AND METHOD OF MAKING THE MECHANISM - A thermal bubble jetting device including a substrate. A superoleophobic, textured surface is positioned on the substrate. The textured surface comprises one or more gaps configured for holding a gas. A receptacle is positioned in fluid communication with the textured surface. Both an inlet and nozzle are in fluid communication with the receptacle. The device includes a heater mechanism configured to expand a gas in the one or more gaps so as to sufficiently increase pressure in the receptacle to force liquid through the nozzle. | 01-23-2014 |
20140292930 | PROCESSING AND APPLICATION OF LIQUID EPOXY ADHESIVE FOR PRINTHEAD STRUCTURES INTERSTITIAL BONDING IN HIGH DENSITY PIEZO PRINTHEADS FABRICATION - A method for forming an ink jet printhead comprises processing an epoxy adhesive such that negative effects from physical contact with particular inks are reduced or eliminated. Conventional adhesives processed using conventional techniques are known to gain weight, swell, and/or oxidize when exposed to certain inks such as ultraviolet inks and pigmented inks. An embodiment of the present teachings can include processing of an adhesive including a processes a particular adhesive comprising a cresol novolac resin and a dicydiandiamide curing agent using a particular process, such that the resulting epoxy adhesive is suitable for printhead applications. | 10-02-2014 |
20140338833 | PROCESS FOR BONDING INTERSTITIAL EPOXY ADHESIVE FOR FABRICATION OF PRINTHEAD STRUCTURES IN HIGH DENSITY PRINTHEADS - A method for forming an ink jet printhead comprises processing an epoxy adhesive such that negative effects from physical contact with particular inks are reduced or eliminated. Conventional adhesives processed using conventional techniques are known to gain weight and squeeze out when exposed to certain inks such as ultraviolet inks and pigmented inks. An embodiment of the present teachings can include processing of a particular adhesive such that the resulting epoxy adhesive is suitable for printhead applications. | 11-20-2014 |
20140342160 | B-STAGE FILM ADHESIVE COMPATIBLE WITH AQUEOUS INK FOR PRINTHEAD STRUCTURES INTERSTITIAL BONDING IN HIGH DENSITY PIEZO PRINTHEADS FABRICATION FOR AQUEOUS INKJET - A method for forming an ink jet printhead comprises processing an epoxy adhesive such that negative effects from physical contact with particular inks are reduced or eliminated. Conventional adhesives processed using conventional techniques are known to gain weight and squeeze out when exposed to certain inks such as ultraviolet inks, solid inks, and aqueous inks. An embodiment of the present teachings can include processing of a particular adhesive such that the resulting epoxy adhesive is suitable for printhead applications. | 11-20-2014 |
20140349071 | COM/IPHONE METHOD OF MAKING SUPEROLEOPHOBIC RE-ENTRANT RESIST STRUCTURES - A device and method for preparing a device having a superoleophobic surface are disclosed. The method includes providing a substrate; coating a lift-off resist layer on the substrate; baking the lift-off resist layer; layering a photoresist layer on the lift-off resist layer; performing photolithography to create a textured pattern in the photoresist layer and the lift-off resist layer, and chemically modifying the textured pattern to create a superoleophobic surface. | 11-27-2014 |
20150035903 | Inkjet Printheads Containing Epoxy Adhesives and Methods for Fabrication Thereof - Inkjet printheads containing a first plate, a second plate, and a cured adhesive composition disposed between and bonding the first plate and the second plate. The cured adhesive composition has a glass transition temperature of greater than about 115° C. and is stable when exposed to acrylate monomer. Also, inkjet printheads having a first plate, a second plate, and a cured thin film adhesive disposed between and bonding to both of the first plate and the second plate. The cured thin film adhesive contains a polyimide film disposed between a cured first adhesive layer and a cured second adhesive layer. Methods of preparing such inkjet printheads. | 02-05-2015 |