Developing Electrostatic Charge Patents (Class 156/273.1)
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Patent number: 7544268Abstract: The present invention provides a new antistatic method and its application to members. The present invention is an antistatic method featured to mount multiple resin based composites with different triboelectric series order on the surface and members featured to have multiple resin based composites with different triboelectric series order on the surface. The members are resin based sheets, resin based films or resin molded materials. The resin based composites are adhesives, bonding agents, printing ink or paint.Type: GrantFiled: February 18, 2003Date of Patent: June 9, 2009Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Hisatsugu Tokunaga, Atsushi Takei, Mikio Shimizu, Takeshi Nabeta
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Publication number: 20090109833Abstract: A printable optical disc including an optical disc body, a waterproof protective film, and a first patterned layer is provided. The optical disc body has a printable surface. The waterproof protective film has an upper surface and a lower surface. The lower surface is disposed on the printable surface, and the upper surface has an optical grating pattern or a pixel pattern. The first patterned layer is disposed between the lower surface of the waterproof protective film and the printable surface.Type: ApplicationFiled: September 4, 2008Publication date: April 30, 2009Applicant: DAXON TECHNOLOGY INC.Inventor: Chen Peng
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Publication number: 20090075157Abstract: Provided are aligned carbon nanotubes for a fuel cell having a large surface area, a nanocomposite that includes the aligned carbon nanotubes loaded with highly dispersed nanoparticles of a metallic catalyst, methods of producing the carbon nanotubes and the nanocomposite, and a fuel cell including the nanocomposite. In the nanocomposite, nanoparticles of the metallic catalyst are uniformly distributed on external walls of the nanotubes. A fuel cell including the nanocomposite exhibits better performance.Type: ApplicationFiled: October 6, 2005Publication date: March 19, 2009Inventors: Chan-Ho Pak, Hyuk Chang, Sung-Ho Jin, Xiang-Rong Ye, Li-Han Chen
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Publication number: 20080278883Abstract: In a method of manufacturing an electrostatic chuck, the method includes: a step of providing an electrostatic chucking portion including an electrode to which a voltage is applied and a film-like insulating layer covering the electrode; a step of bonding an elastomer layer onto the electrostatic chucking portion; a step of bonding a metal base onto the elastomer layer such that recess portions formed on a surface of the metal base face the elastomer layer.Type: ApplicationFiled: May 7, 2008Publication date: November 13, 2008Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Norio Shiraiwa, Takeshi Kobayashi, Yuichi Hata, Naoto Watanabe
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Publication number: 20080227350Abstract: Disclosed is a method for producing a web (2) comprising at least one protective layer (11, 11a), at least one functional layer (13), and at least one reinforcement layer (14). The reinforcement layer (14) is provided with greater tear strength than the protective layer (11, 11a) while the reinforcement layer (14) is glued to the functional layer (13) or the protective layer (11, 11a). According to the inventive method, the functional layer (13) is welded together with at least one protective layer (11, 11a) on at least one side by means of heat lamination in order to produce a prelaminate (20), and the obtained prelaminate (20) is then glued to the reinforcement layer (14).Type: ApplicationFiled: July 25, 2006Publication date: September 18, 2008Applicant: EWALD DORKEN AGInventors: Jorn Schroer, Rudiger Laur, Gilles Schwaab
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Patent number: 7422648Abstract: A sticker assembly is disclosed and includes an indicia-bearing sticker (30) having an adhesive layer (34). A vinyl film (100) is provided having a first side (102) and a second side (104), the second side (104) having a low-tack adhesive (106) thereon. The first side (102) of the vinyl film (100) is adhered to the adhesive layer (34) of the sticker (30). The second side (104) of the vinyl film (100) is applied to a receiving surface (12) and held against the surface (12) by the low-tack adhesive (106) wherein the vinyl film (100) and the sticker (30) are releasably adhered to the receiving surface (12) and wherein the indicia-bearing sticker (30) is displayed for viewing. In one embodiment, the sticker (30) is a vehicle windshield sticker and the receiving surface (12) is a vehicle windshield.Type: GrantFiled: July 9, 2001Date of Patent: September 9, 2008Assignee: Lemeer Design, L.L.C.Inventor: Peter K. Kassab
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Patent number: 7341641Abstract: A bonding device for manufacturing a liquid crystal display device includes a bonding chamber for bonding first and second substrates and an ionizing device for introducing ionized gas or air into the bonding chamber.Type: GrantFiled: September 30, 2002Date of Patent: March 11, 2008Assignee: LG.Philips LCD Co., Ltd.Inventors: Sang Seok Lee, Sang Ho Park
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Patent number: 7332050Abstract: An electrospinning apparatus including a spinning dope main tank, a metering pump, a nozzle block, a collector positioned at the lower end of the nozzle block for collecting spun fibers, a voltage generator, a plurality of units for transmitting a voltage generated by the voltage generator to the nozzle block and the collector, said electrospinning apparatus containing: a spinning dope drop device positioned between the metering pump and the nozzle block, the spinning dope drop device having (i) a sealed cylindrical shape, (ii) a spinning dope inducing tube and a gas inlet tube for receiving gas through its lower end and having its gas inlet part connected to a filter aligned, side-by-side, at the upper portion of the spinning dope drop device, (iii) a spinning dope discharge tube extending from the lower portion of the spinning dope drop device, and (iv) a hollow unit for receiving the spinning dope from the spinning dope inducing tube provided at the middle portion of the spinning dope-drop device.Type: GrantFiled: November 2, 2005Date of Patent: February 19, 2008Inventor: Hag-Yong Kim
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Patent number: 7318875Abstract: A method of manufacturing a publication including uniting a printed paper web with a printed film web to form a combined web, forming at least one signature sheet from the combined web, and folding the signature sheet to form a signature, wherein the signature comprises a plurality of pages of the publication with film material sandwiched therebetween.Type: GrantFiled: January 21, 2005Date of Patent: January 15, 2008Assignee: Stromberg Allen & CompanyInventor: Steven N. Kruchko
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Patent number: 7255768Abstract: Provided are an anodic bonding structure, a fabricating method thereof, and a method of manufacturing an optical scanner using the same. Provided anodic bonding structure having a substrate and a glass substrate arranged above the substrate, includes at least one dielectric and at least one metal layer deposited between the substrate and the glass substrate, with a dielectric arranged uppermost, wherein the uppermost dielectric and the glass substrate are anodic bonded. Provided method of fabricating an anodic bonding structure having a substrate and a glass substrate arranged above the substrate, includes an act of depositing at least one dielectric and at least one metal layer between the substrate and the glass substrate, with dielectric arranged uppermost, and an act of anodic bonding the uppermost dielectric with the glass substrate.Type: GrantFiled: December 6, 2004Date of Patent: August 14, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Young-chul Ko, Jin-ho Lee, Chang-soo Lee
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Patent number: 7086210Abstract: In order to produce (cigarette) packs with an insert blank (25) applied within the pack or to the outside of the latter, this insert blank is fixed temporarily by virtue of the pack or pack contents being electrostatically charged in the region of the insert blank (25). The pack is completed while the static charge is active, with the result that, by way of pack blanks, the insert coupon (25) is fixed in the envisaged position by the pack itself.Type: GrantFiled: April 12, 2004Date of Patent: August 8, 2006Assignee: Focke & Co. (GmbH & Co. KG)Inventors: Jürgen Focke, legal representative, Doris Focke, legal representative, Heido Spöring, Martin Stiller, Heinz Focke, deceased
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Patent number: 7052569Abstract: The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulation and external corona-discharge protection to conductors or conductor bundles in which, on account of a very low level of defects in the insulation and its inherent resistance to partial discharges, it is possible to dispense with the use of winding processes using glass/mica tapes. This eliminates the need to use complex special equipment and allows the throughput times to be shortened considerably.Type: GrantFiled: December 21, 2000Date of Patent: May 30, 2006Assignee: ALSTOM Technology Ltd.Inventors: Thomas Baumann, Johann Nienburg, Jörg Sopka
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Patent number: 7022199Abstract: A method for fabricating an LCD includes the steps of loading a first substrate having liquid crystal dropped thereon and a second substrate having sealant coated thereon on a bonding chamber, aligning the first and second substrates, bonding the first and second substrates with a varied pressure applied thereto, and unloading the bonded first and second substrates.Type: GrantFiled: June 28, 2002Date of Patent: April 4, 2006Assignee: LG.Philips LCD Co., Ltd.Inventors: Sang Seok Lee, Sang Ho Park
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Patent number: 6981904Abstract: A process for anodically bonding an array of spacer columns to one of the inner major faces on one of the generally planar plates of an evacuated, flat panel video display. The process includes using a generally planar plate having a plurality of spacer column attachment sites; providing electrical interconnection between all attachment sites; coating each attachment site with a patch of oxidizable material; providing an array of unattached permanent glass spacer columns, each unattached permanent spacer column being of uniform length and being positioned longitudinally perpendicular to a single plane, with the plane intersecting the midpoint of each unattached spacer column; positioning the array such that an end of one permanent spacer column is in contact with the oxidizable material patch at each attachment site; and anodically bonding the contacting end of each permanent spacer column to the oxidizable material layer.Type: GrantFiled: April 25, 2003Date of Patent: January 3, 2006Assignee: Micron Technology, Inc.Inventors: James J. Hofmann, Jason B. Elledge
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Patent number: 6964801Abstract: A heat shield suitable for motor vehicles and a method for manufacturing the heat shield is provided. The heat shield is intended to protect temperature-sensitive assemblies, components and connection lines from the direct impact of heat radiation and, possibly, acts as insulation. Moreover, the heat shield may also provide advantageous soundproofing properties. The heat shield is comprised of first and second plates that are at least partially deformable and an insulating material positioned between said plates. Preferably, at least a portion of said insulating material is in the form of compacted powder or flakes.Type: GrantFiled: January 7, 1998Date of Patent: November 15, 2005Assignee: Dana CorporationInventors: Bernd Bretschneider, Kai-Uwe Lemke, Dieter Grafl
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Patent number: 6921451Abstract: An improved method of and apparatus for producing preferably thin plastic protective film layers for thin shiny copper foils and the like, as for PCB applications, with electric-charge adhering of the same to the foil and with peel-off releasable properties to provide the same original pristine, shiny copper foil surface without contamination, marring or other physical, chemical or other residue despite handling and other processing procedures.Type: GrantFiled: June 28, 2002Date of Patent: July 26, 2005Assignee: Metallized Products, Inc.Inventor: Martin J. Wilheim
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Patent number: 6846377Abstract: Methods and systems consistent with the present invention can be used to assemble composite rotatable-element components and can be used to form a laminate substrate system, and use a plurality of rotatable-element components or rotatable-element component material of two classes. Each class is defined by a common response or responses to incident electromagnetic radiation of interest.Type: GrantFiled: July 8, 2002Date of Patent: January 25, 2005Assignee: Xerox CorporationInventors: David K. Biegelsen, Joseph M. Crowley, Alexander E. Silverman
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Patent number: 6838039Abstract: The present invention provides a film roll comprising an electrified portion at at least part in the transverse direction of a film that is wound into a roll, in which the difference between the maximum width and the minimum width of the electrified portion is 10 mm or less. In this manner, side slipping can be reliably prevented while securing escapeways for air at the edges, and a film roll having no side slips, wrinkles, deformation, decentering, or the like can be manufactured. The film roll of the present invention can be manufactured by intermittently electrifying the film at a predetermined cycle, the ratio of the time duration of the electrification in the cycle being 10 to 80%. The film roll of the present invention has a high adhesive force and does not suffer from slipping during evacuation in a vacuum evaporator. Thus, the film roll is suitable as a master roll for metallization and can be suitably applied to various uses such as magnetic tapes, packaging materials, capacitors, and the like.Type: GrantFiled: September 18, 2001Date of Patent: January 4, 2005Assignee: Toray Industries, Inc.Inventors: Satoko Morioka, Takashi Ichinomiya
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Publication number: 20040265504Abstract: The invention relates to a method for electrostatically attaching a polymeric polymer powder adhesive to a non-metallic substrate. The invention also relates to the substrate having deposited thereon by electrostatic means a polymer powder adhesive, which can be activated for adhesion or cohesion. The method is especially useful for depositing powdered adhesive onto paper or plastic, which can be activated by heat, water, radiation, or other means. The activated adhesive allows the non-metallic substrate to then adhere to another substrate, or to itself.Type: ApplicationFiled: June 27, 2003Publication date: December 30, 2004Inventors: Christophe Magnin, Susan Burdett, Robert Koelliker, David Duckworth
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Patent number: 6823693Abstract: A controller is used with an anodic bonding system that has a charge flowpath for supplying charge to bond materials together. The controller includes a switch and a circuit. The switch is configured to control a flow of the charge through the charge flowpath. The circuit is configured to monitor a rate of the flow, use the rate to determine an amount of the charge supplied for bonding, and based on the amount or rate, operate the switch to control the flow.Type: GrantFiled: March 6, 1998Date of Patent: November 30, 2004Assignee: Micron Technology, Inc.Inventors: James J. Hofmann, Glenn W. Piper
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Patent number: 6735982Abstract: Thin glass sheets may be processed in an effective fashion by electrostatically charging the sheets and applying them to an oppositely electrostatically charged carrier sheet. After processing is completed the carrier sheet may be removed and the processed sheet may be applied to its intended application such as to act as the front panel of an electronic display.Type: GrantFiled: July 12, 2001Date of Patent: May 18, 2004Assignee: Intel CorporationInventor: Dennis L. Matthies
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Publication number: 20040043221Abstract: A method for adhering a film to a substrate comprises providing an electret film having first and second opposed major surfaces, the electret film comprising a poly(ethylene-co-(meth)acrylic acid) ionomer; providing a substrate; and electrostatically and removably adhering the electret film to the substrate. Articles prepared according to the method are also disclosed.Type: ApplicationFiled: August 30, 2002Publication date: March 4, 2004Applicant: 3M Innovative Properties CompanyInventors: Vivek Bharti, Chih Chung Hsu
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Publication number: 20040040652Abstract: Methods for adhering an article having an electret charge to a substrate are disclosed. The methods include a step in which a charging material is used increase the adhesion of the article to the substrate.Type: ApplicationFiled: August 30, 2002Publication date: March 4, 2004Applicant: 3M Innovative Properties CompanyInventors: Vivek Bharti, Scott D. Pearson
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Patent number: 6685794Abstract: The object of the present invention is to significantly inhibit the formation of voids between substrates bonded together when a liquid adhesive is supplied onto an optical disc substrate or when the optical disc substrate is bonded to another optical disc substrate. Accordingly, the present invention discloses a method for bonding two optical disc substrates together which comprises the steps of joining the optical disc substrates together with an adhesive and curing the adhesive, wherein the adhesive is supplied onto the optical disc substrate by an electric field formed between the adhesive-supplying nozzle, for supplying the adhesive onto the optical disc substrate, and the optical disc substrate, and the two optical disc substrates are then joined together and subjected to spun by a spinning process.Type: GrantFiled: February 6, 2001Date of Patent: February 3, 2004Assignee: Origin Electric Co., Ltd.Inventors: Shinichi Shinohara, Hideo Kobayashi, Masahiro Nakamura, Kanya Kaji
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Patent number: 6660352Abstract: Electrostatically charged graphic sheets are additionally provided with a preapplied activatable adhesive. Such sheets may be oriented on a display substrate using the electrostatically induced adhesion, and more securely fastened to the display substrate using the activatable adhesive.Type: GrantFiled: January 9, 2001Date of Patent: December 9, 2003Assignee: 3M Innovative Properties CompanyInventors: Chih-Chung Hsu, Steven R. Austin, Charles C. Lee, Terry L. Morris
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Patent number: 6638627Abstract: A method for electrostatic bonding includes placing a first region of a first unit at least adjacent to a first region of a second unit. The first region of the first unit has trapped charge. A bond between the first region of the first unit and the first region of the second unit is formed by the electrostatic forces between the trapped charge and induced charge in the first region of the second unit. A system for electrostatic bonding includes a first unit having a first region with trapped charge and a second unit with a first region with induced charge. Electrostatic forces between the trapped charge in the first region of the first unit and the induced charge in the first region of the second unit bond the first and second units together.Type: GrantFiled: December 10, 2001Date of Patent: October 28, 2003Assignee: Rochester Institute of TechnologyInventor: Michael D. Potter
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Patent number: 6630048Abstract: The present invention describes a die to manufacture pieces of plastic materials, molded by injection, projection or blowing processes that does not need end finishing during its construction, and that does not need to employ additional demolding agents during its whole useful life to release the objects molded. Said die is specially useful to obtain pieces of plastic materials that must be painted or must be dealt superficially with the purpose of being employed in various industries, such as the automobile industry, electro-domestic accessories manufacturing, communications, computers, or decoration, etc. This die is also specially useful to obtain pieces that must be adhered in an efficient and substantially permanent way to others as are the soles for the industrial manufacturing of shoes and of sports shoes.Type: GrantFiled: June 19, 2001Date of Patent: October 7, 2003Inventors: Julio Eduardo Pertusio, Jorge Alberto Escudero
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Patent number: 6585842Abstract: A plurality of unidirectional sheets (30a, 30b, 30c) are superposed in different directions and they are bonded together. At least one of the unidirectional sheets is made by spreading a tow so as to obtain uniform thickness, width not less than 5 cm, and a weight of no more than 300 g/m2, cohesion being imparted to the sheet so as to enable it to be handled prior to being superposed with other sheets. Advantageously, the unidirectional sheets are made of carbon fibers and are obtained by spreading out large tows.Type: GrantFiled: September 27, 1999Date of Patent: July 1, 2003Assignees: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation (SNECMA), Hexcel FabricsInventors: Bruno Bompard, Pierre Olry, Renaud Duval, Alain Bruyere, Dominique Coupe, Jean Aucagne
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Publication number: 20030075268Abstract: A process for producing products in web form comprising at least two layers, in which a composition emerging from an applicator is applied as a layer to a substrate in web form which is guided on a transport means, said application taking place with application of electrostatic charges, and the substrate coated with the composition is electrostatically neutralized before departing the applicator.Type: ApplicationFiled: August 6, 2002Publication date: April 24, 2003Inventors: Hermann Neuhaus-Steinmetz, Maren Klose, Lars Guldbrandsen
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Publication number: 20020124953Abstract: A breathable net-shape microporous membrane structure is created by forming a polymeric solution and electrostatically spinning polymeric fibers from the solution into a microporous membrane structure. The average fiber size ranges from about 0.1 microns to about 1 micron and the average pore size ranges from about 0.4 to about 3.0 microns.Type: ApplicationFiled: March 14, 2002Publication date: September 12, 2002Inventors: Michael S. Sennett, Heidi L. Schreuder-Gibson, Phillip W. Gibson, Kris J. Senecal
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Publication number: 20020104603Abstract: A method of CNT field emission current density improvement performed by a taping process is disclosed. The method comprises following steps. First of all, a conductive pattern coated on a substrate by screen-printing a conductive slurry containing silver through a patterned screen is carried out. Thereafter, a CNT layer is attached thereon by screen-printing a CNT paste through a mesh pattern screen to form CNT image pixel array layer. The CNT paste consists of organic bonding agent, resin, silver powder, and carbon nano-tubes. After that the substrate is soft baked by an oven using a temperature of about 50-200° C. to remove volatile organic solvent. A higher temperature sintering process, for example 350-550° C. is then carried out to solidify the CNT on and electric coupled with the conductive pattern.Type: ApplicationFiled: February 7, 2001Publication date: August 8, 2002Inventors: Yu-Yang Chang, Jyh-Rong Sheu, Cheng-Chung Lee
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Publication number: 20020088535Abstract: A method for adhering a graphic sheet having both electrostatic cling properties and adhesive to a display substrate. An image is printed an electrostatic printer, and the image transfer medium is then used as a carrier for applying the graphic sheet to the display substrate.Type: ApplicationFiled: January 9, 2001Publication date: July 11, 2002Applicant: 3M Innovative Properties CompanyInventors: Chih-Chung Hsu, Charles C. Lee, James F. Sobieski
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Publication number: 20020072201Abstract: A method for electrostatic bonding includes placing a first region of a first unit at least adjacent to a first region of a second unit. The first region of the first unit has trapped charge. A bond between the first region of the first unit and the first region of the second unit is formed by the electrostatic forces between the trapped charge and induced charge in the first region of the second unit. A system for electrostatic bonding includes a first unit having a first region with trapped charge and a second unit with a first region with induced charge. Electrostatic forces between the trapped charge in the first region of the first unit and the induced charge in the first region of the second unit bond the first and second units together.Type: ApplicationFiled: December 10, 2001Publication date: June 13, 2002Applicant: Rochester Institute of TechnologyInventor: Michael D. Potter
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Patent number: 6402876Abstract: The present invention provides a number of interrelated methods for the production of random and ordered arrays of particles and recesses, as well as films containing such arrays and recesses. The present invention also relates to the random and ordered arrays of particles and films prepared therefrom. The ordered arrays are obtained by the use of ferrofluid compositions which may be curable, solidifiable or non-curing/non-solidifiable. The arrays and films may contain electrically-conductive particles useful in electronic applications for effecting contact between leads or pads.Type: GrantFiled: February 29, 2000Date of Patent: June 11, 2002Assignee: Loctite (R&D) IrelandInventors: Ciaran B. McArdle, Joseph Burke, Edward K. Welch, II
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Patent number: 6386260Abstract: An apparatus for providing a uniform web of filaments comprises tube filament transport means exiting through a confined zone of reduced turbulence, which preferably comprises a delivery slot. The delivery slot is configured with sidewalls substantially parallel to one another and to the transport tubes, so that filaments undergo minimal machine direction deflection in the slot. Charging means within the slot charge the filaments for further cross direction separation. A method of providing a uniform web of filaments comprises transporting filaments through transport tubes, through a tapered transition member, and into a delivery slot. The delivery slot is defined by sidewalls that are substantially parallel to one another and to the transport tubes, so that minimal machine direction deflection of the filaments occurs. The filaments are also charged by electrostatic charging means while they are in the slot for further separation.Type: GrantFiled: April 28, 1999Date of Patent: May 14, 2002Assignee: Polymer Group, Inc.Inventors: Richard Ferencz, Jian Weng, Brian Yamanouchi
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Patent number: 6376148Abstract: A solid freeform fabrication method and related apparatus for fabricating a three-dimensional object from successive layers of a primary body-building powder material and a binder powder in accordance with a computer-aided design of the object, the method including: (a) providing a work surface; (b) feeding a first layer of the primary body-building powder material to the work surface; (c) operating an electrophotographic powder deposition device to create a binder powder image in accordance with this design; (d) transferring this binder powder image to the first layer of body-building powder; (e) applying energy sources to fuse the binder powder, forming a binder fluid to permeate through the first layer of body-building powder for bonding and consolidating the powder particles to form a first cross-section of the object; (f) feeding a second layer of the primary body-building powder onto the first layer and repeating the operating, transferring, and applying steps to form a second cross-section of the objecType: GrantFiled: January 17, 2001Date of Patent: April 23, 2002Assignee: Nanotek Instruments, Inc.Inventors: Jun Hai Liu, Bor Zeng Jang
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Patent number: 6261403Abstract: A method of preventing bubbles or small bubbles when connecting substrate parts of optical data carriers by means of an adhesive. At least one of the substrate parts and/or the adhesive is provided with electric charges.Type: GrantFiled: November 4, 1999Date of Patent: July 17, 2001Assignee: Singulus Technologies AGInventors: Reinhard Gerigk, Eggo Sichmann, Michael Muecke
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Patent number: 6258200Abstract: A sticker assembly is disclosed and includes an indicia-bearing sticker (30) having an adhesive layer (34). A static-cling film (20) is provided having a first side (22) and a second side (24), the second side (24) holding a static charge. The first side (22) of the static-cling film (20) is adhered to the adhesive layer (34) of the sticker (30). The second side (24) of the static-cling film (20) is applied to a receiving surface (12) and held against the surface (12) by the static charge wherein the static-cling film (20) and the sticker (30) are releasably adhered to the receiving surface (12) and wherein the indicia-bearing sticker (30) is displayed for viewing. In one embodiment, the sticker (30) is a vehicle windshield sticker and the receiving surface (12) is a vehicle windshield.Type: GrantFiled: March 31, 1999Date of Patent: July 10, 2001Assignee: Lemeer Design, L.L.C.Inventor: Peter K. Kassab
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Publication number: 20010001184Abstract: A method uses a treatment process for surfaces which subsequently are to be connected by bonding, gluing or molding. The surfaces are exposed to an atmosphere with activated hydrogen. The connection is made a process step for eliminating the conservation treatment. The surfaces can be subjected to a plasma discharge in an atmosphere containing hydrogen. The plasma discharge is operated by a cathode/anode path as a DC discharge, and using a thermionic cathode as the cathode. The workpiece to be stored in air comprises a connection, which by gluing, bonding or molding, is subjectable to substantially higher stress than an identical workpiece which is stored in an identical manner, this being determinable by essentially identical Auger diagrams.Type: ApplicationFiled: December 5, 2000Publication date: May 17, 2001Applicant: Balzers AktiengesellschaftInventors: Alex Dommann, Christoph Benno Luechinger-Bautista, Nicolino Onda, Juergen Ramm, Heinrich Zimmerman
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Patent number: 6210793Abstract: A thin film composed of a silane-based compound comprising an alkyl group or a fluoroalkyl group is bonded to the surface of an electrically insulating substrate through a covalent bond, thus obtaining an electrically chargeable substrate maintaining a charged state for a long time regardless of relative humidity of an atmosphere. A glass plate for placing a sheet in an overhead projector is dipped into a solution comprising CF3(CF)7(CH2)2SiCl3. As a result, a molecular composed of CF3(CF2)7(CH2)2Si(O)3—is chemically bonded to the glass surface. A high charged state, a water-repelling property having a static contact angle of pure water on the thin film formed on the glass surface of 110 degrees and a volume electric resistivity in the range of 1×1011−1×1019&OHgr;·cm are provided.Type: GrantFiled: November 21, 1997Date of Patent: April 3, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Tohru Nakagawa, Yasuo Takebe, Norihisa Mino
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Patent number: 6197139Abstract: An electrostatic thermal bonding method for bonding a pair of glass substrates, is capable of solving the problems such as a contamination of a device and incomplete vacuum packaging due to gas generated during the bonding of glass substrates utilizing a conventional epoxy or frit. The electrostatic thermal bonding method uses a silicon-glass bonding mechanism. First, a silicon thin film is deposited on a metal thin film formed on a side of one glass substrate, and the two glass substrates are brought face to face with each other by bringing the silicon thin film into contact with the surface of the other glass substrate. A predetermined direct current voltage is applied between the metal thin film and the other glass substrate under a predetermined temperature, thereby the bonding between glass substrates is performed. In the glass-glass bonding method utilizing the silicon thin film, the direct current voltage in the range of 0 to 1000V is applied under a bonding temperature between 100 to 500° C.Type: GrantFiled: January 8, 1999Date of Patent: March 6, 2001Assignee: Korea Institute of Science & Tech.Inventors: Byeong-Kwon Ju, Myung-Hwan Oh, Woo-Beom Choi
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Patent number: 6190477Abstract: A process and apparatus are provided for preparing a release layer suitable for facilitating release of green ceramic laminates from a lamination fixture. The process comprises applying an electrostatic charge to at least one variably electrostatically chargeable portion of at least one lamination fixture and dispensing a layer of ceramic particulates, glass particulates or glass-ceramic particulates onto the charged portion of the lamination fixture to form a release layer on the lamination fixture. The apparatus provides a particulate dispenser for dispensing a layer of particulates of ceramic, glass, or ceramic-glass mixture, at least one lamination fixture having at least one variably electrostatically chargeable portion disposed in particulate receiving communication with the particulate dispenser; and a variable voltage electrostatic generator in electrical communication with the at least one chargeable portion of the lamination fixture.Type: GrantFiled: May 4, 1999Date of Patent: February 20, 2001Assignee: International Business Machines CorporationInventors: Govindarajan Natarajan, Robert P. Kuder, II, Francis R. Krug, Edward J. Pega