With Vehicle Or Suspending Agent (i.e., Slip) Patents (Class 501/20)
  • Patent number: 8945715
    Abstract: The present invention relates to a low-V2O5-content and even V2O5-free porcelain enamel with improved dish-washer resistance, very good acid resistance and good adherence on various substrates. The invention moreover relates to a transparent low-V2O5-content and even V2O5-free porcelain enamel frit for application of enamel coatings with infinite color range on a substrate made of aluminum, cast aluminum, aluminum alloy, aluminum-magnesium alloy, cast aluminum alloy, copper, austenitic stainless steel and mild steel, presenting improved dish-washer resistance, good acid resistance and good adherence on the substrate. The composition of the porcelain enamel in question comprises about 30 wt-% to about 50 wt-% SiO2, about 30 wt-% to about 40 wt-% R2O, about 15 wt-% to about 25 wt-% TiO2, about 0 wt-% to about 5 wt-% RO, about 0 wt-% to about 4 wt-% V2O5, about 0.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: February 3, 2015
    Assignee: Pemco Brugge BVBA
    Inventors: Efimenko Svetlana, Nancy Crevits, Christian Schlegel
  • Publication number: 20150013390
    Abstract: This invention relates to glass and enamel compositions. The glass compositions include SiO2, Nb2O5, Na2O, B2O3, ZnO, Bi2O3, TiO2, MoO3, ZrO2, Y2O3, Al2O3, Li2O, and K2O. The glass compositions can be used to form an enamel on a substrate, for example, to decorate and/or protect the substrate.
    Type: Application
    Filed: February 20, 2013
    Publication date: January 15, 2015
    Inventors: Sandeep K. Singh, George E. Sakoske, David A. Klimas
  • Publication number: 20140113134
    Abstract: A low expansion glass filler which minimizes reflection of laser light during hermetic sealing, a method of manufacturing the same and a glass frit including the same. The low expansion glass filler includes SiO2, Al2O3, B2O3 and CaCO3, the transmittance of the low expansion glass filler being 80% or greater at a wavelength ranging from 630 to 920 nm.
    Type: Application
    Filed: October 21, 2013
    Publication date: April 24, 2014
    Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.
    Inventors: Jhee-Mann Kim, Kiyeon Lee, Jaemin Cha, Jaeho Lee
  • Patent number: 8470723
    Abstract: A low softening point glass composition, which is substantially free from lead, bismuth and antimony and comprises oxides of vanadium, phosphorous, tellurium and iron, a softening point of the composition being 380° C. or lower.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: June 25, 2013
    Assignee: Hitachi Powdered Metals Co., Ltd.
    Inventors: Takashi Naito, Shinichi Tachizono, Kei Yoshimura, Yuji Hashiba, Keiichi Kanazawa, Shinji Yamada, Satoru Amou, Hiroki Yamamoto, Takuya Aoyagi
  • Patent number: 8329806
    Abstract: The method for producing flaky-glass granules of the present invention is a method for producing flaky-glass granules by allowing a plurality of glass flakes to be bonded to each other so as to be granulated. The method includes the steps of: (I) adding at least one liquid selected from water and a volatile organic solvent to the plurality of glass flakes and stirring a resultant mixture, and (II) drying the plurality of glass flakes stirred with the liquid added thereto. Unlike conventional flaky-glass granules, the flaky-glass granules produced by this method contain neither a binder nor a surface treatment agent for bonding the glass flakes to each other. Thus, when mixed into a thermoplastic resin to be molded at a high temperature, the flaky-glass granules cause neither foam inclusion nor discoloration in a molded article of the resin.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: December 11, 2012
    Assignee: Nippon Sheet Glass Company, Limited
    Inventor: Takeshi Maeda
  • Patent number: 8303703
    Abstract: An exhaust pipe paint for application to an exhaust pipe base includes an inorganic glass particle, an inorganic particle, and at least one of an inorganic binder and an inorganic binder precursor.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: November 6, 2012
    Assignee: Ibiden Co., Ltd.
    Inventor: Kenzo Saiki
  • Patent number: 8202812
    Abstract: This invention relates to lead free, cadmium free, bismuth free low melting high durability glass and enamel compositions. The compositions comprise silica, zinc, titanium, and boron oxide based glass frits. The resulting compositions can be used to decorate and protect automotive, beverage, architectural, pharmaceutical and other glass substrates.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: June 19, 2012
    Assignee: Ferro Corporation
    Inventor: George E. Sakoske
  • Patent number: 8012895
    Abstract: A sealing material for solid oxide fuel cells is provided, which is composed of around 60% to 80% by weight of glass, around 20% to 30% by weight of alcohol, around 0.5% to 3% by weight of ethyl celluloid as a binder, and around 0.01% to 0.1% by weight of polyethylene glycol as a plasticizer.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: September 6, 2011
    Assignee: Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan
    Inventors: Szu-Han Wu, Kin-Fu Lin, Ruey-Yi Lee, Chien-Kuo Liou, Tung-Yuan Yang, Tzann-Sheng Lee, Li-Chun Cheng
  • Patent number: 7973238
    Abstract: A ceramic compact having a patterned conductor is obtained by coating the patterned conductor with a slurry and then by hardening the slurry. The slurry is prepared by mixing a thermosetting resin precursor, a ceramic powder, and a medium. In the ceramic compact, an isocyanate- or isothiocyanate-containing gelling agent and a hydroxyl-containing polymer are reacted and hardened to produce a thermosetting resin. The hydroxyl-containing polymer is preferably a butyral resin, an ethylcellulose-based resin, a polyethyleneglycol-based resin, or a polyether-based resin.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: July 5, 2011
    Assignee: NGK Insulators, Ltd.
    Inventors: Masahiko Namerikawa, Yukihisa Takeuchi, Shinsuke Yano, Kazuyoshi Shibata, Koji Ikeda, Masahiro Abe
  • Patent number: 7964521
    Abstract: The present invention relates to a getter paste composition, and more particularly, to a getter paste composition which is quickly densified at low densification temperatures to be applied to a device that is weak to heat, provides good adhesiveness, controls moisture and gas effectively and is screen-printable to thereby improve productivity.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: June 21, 2011
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Jung-Hyun Son, Sang-Kyu Lee, Han-Bok Joo, Jong-Dai Park
  • Patent number: 7923393
    Abstract: The present invention relates to a low melting point frit paste composition and a sealing method for an electric element using the same, and more particularly, to a low melting point frit paste composition which is sealable and appropriate for a flat panel, protects an element weak to heat and improves a process yield with good print properties, and a sealing method for an electric element using the same.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: April 12, 2011
    Assignee: DONGJIN SEMICHEM Co., Ltd.
    Inventors: Jung-Hyun Son, Sang-Kyu Lee, Han-Bok Joo
  • Patent number: 7863207
    Abstract: The present invention relates to a glass frit and a sealing method for an electric element using the same, and more particularly, to a glass frit which provides a good sealing effect to moisture and gas and is processable at low temperatures, and a sealing method for an electric element using the same.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: January 4, 2011
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Jung-Hyun Son, Sang-Kyu Lee, Han-Bok Joo, Jong-Dai Park
  • Publication number: 20100330308
    Abstract: Certain example embodiments of this invention relate to a frit slurry paste for use in assemblies (e.g., a vacuum insulated glass unit or a plasma display panel), and methods of making the same. Frit powder, binder material, and a water-based solvent are mixed together to form an intermediate mixture. The frit powder is substantially lead free, and the water-based solvent is provided at a first temperature. Additional water-based solvent is added to the intermediate mixture to form a frit slurry paste. The additional water-based solvent is provided at a second temperature, with the second temperature being lower than the first temperature. The binder material is provided at a concentration of 0.001%-20% by weight with respect to the frit slurry paste or the frit slurry paste absent the frit powder. The frit slurry paste has a bulk viscosity of 2,000-200,000 cps.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 30, 2010
    Applicant: GUARDIAN INDUSTRIES CORP.
    Inventors: David J. Cooper, Timothy Alan Dennis
  • Patent number: 7745359
    Abstract: A composition for a dielectric layer of a plasma display panel and a plasma display panel including the same are disclosed. The composition includes a glass frit, a binder, a dispersant, a plasticizer, and a solvent. The binder includes about 50 to 85 parts by weight of a first monomer, about 10 to 30 parts by weight of a second monomer, and about 1 to 20 parts by weight of a third monomer based on 100 parts by weight of the binder.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: June 29, 2010
    Assignee: LG Electronics Inc.
    Inventor: Munhyuk Lim
  • Patent number: 7710033
    Abstract: Display panel comprising two plates leaving between them a sealed space that is filled with a discharge gas and is partitioned into discharge cells bounded between these plates by barrier ribs made of a mineral material comprising a mineral binder based on a hydraulic binder, and a mineral filler. By using a hydraulic binder instead of a glassy mineral binder, the display panels may be manufactured at lower temperature.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: May 4, 2010
    Inventors: Armand Bettinelli, Jean-Philippe Browaeys
  • Patent number: 7704315
    Abstract: Aqueous dispersion containing a metal oxide powder with a fine fraction and a coarse fraction, in which—the metal oxide powder is silicon dioxide, aluminum oxide, titanium dioxide, zirconium dioxide, cerium oxide or a mixed oxide of two or more of the aforementioned metal oxides,—the fine fraction is present in aggregated form and has a mean aggregate diameter in the dispersion of less than 200 nm,—the coarse fraction consists of particles with a mean diameter of 1 to 20 ?m, —the ratio of fine fraction to coarse fraction is 2:98 to 30:70, and—the content of metal oxide powder is 50 to 85 wt. %, referred to the total amount of the dispersion. The aqueous dispersion is produced by a process comprising the steps:—production of a fine fraction dispersion by dispersing the pulverulent fine fraction in water by means of an energy input of at least 200 KJ/m3?, and—introducing the coarse fraction in the form of a powder into the fine fraction dispersion under dispersing conditions at a low energy input.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: April 27, 2010
    Assignee: Degussa AG
    Inventors: Monika Oswald, Corinna Kissner, Roland Weiss, Andreas Lauer
  • Patent number: 7695556
    Abstract: A system, method, and ink for printing a data carrying mark on a green ceramic honeycomb structure is provided. The system includes a printer having an ink jet print head that prints a mark, preferably in the form of a two-dimensional data matrix barcode, on a side wall of the green ceramic honeycomb structure. The ink may be a heat resistant ink that comprises a mixture of a glass or glass ceramic frit and a metal oxide colorant. An optical reader is provided for determining if the data is accurately reproduced in the printed mark, as well as any noise factor which may be present due to defective printing. The system includes a turntable that positions the green body for the printing operation, and then rotates the green body to position the printed mark first in front of a dryer, and then in front of the optical reader to determine the quality of the mark. Marked green and ceramic honeycombs are also provided as well as a method for repairing a defective applied bar code on a honeycomb structure.
    Type: Grant
    Filed: April 2, 2007
    Date of Patent: April 13, 2010
    Assignee: Corning Incorporated
    Inventors: L Urdenis Johnson, Lisa Ann Lamberson, Robert Michael Morena
  • Patent number: 7678457
    Abstract: This invention provides a thick-film type dielectric with desired adhesivity to the base and very good insulation properties. The dielectric of the present invention includes a lower dielectric layer made of a photosensitive composition and an upper dielectric layer which is made of a photosensitive composition and formed on the aforementioned lower dielectric layer. The softening point (T1) of the primary glass powder used for the aforementioned lower dielectric layer, the softening point (T2) of the primary glass powder used for the aforementioned upper dielectric layer, and the firing temperature (T3) of the aforementioned primary glass powder satisfy the following relationship: T1<T3<T2<T3+30° C.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: March 16, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Keiichiro Hayakawa, Masakatsu Kuroki
  • Publication number: 20090286665
    Abstract: A process for the preparation of particles with controlled dimensions comprising the steps of: (i) providing a laminar substrate having a patterned surface comprising a micro-relief repeat pattern comprising one or more discrete cells, each cell consisting of a floor portion and walls having a height (Hw); (ii) depositing organic or inorganic material onto the patterned surface and into the cells to provide a thickness (T) of the deposited material wherein T?Hw (iii) stripping the deposited organic or inorganic material from the surface of the substrate; and (iv) collecting the particles formed from said organic or inorganic material; and a composition obtainable from said process comprising a plurality of particles (P), wherein the number (n) of particles in said composition is at least 10, wherein said particles (P) are platelets exhibiting a planar geometry which is circular or which is made up of a number (x) of planar (y)-sided polygon(s), wherein x is from 1 to 20 and y is at least 3 wherein if x is gre
    Type: Application
    Filed: March 16, 2007
    Publication date: November 19, 2009
    Applicants: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Andrew Henry Szuscik-Machnicki, Mark Edward Dawes
  • Publication number: 20090247385
    Abstract: The present invention provides a frit containing substantially no lead, which is applicable to a member having ? of at most 50×10<7/° C. A frit comprising a low-melting point glass powder and a refractory filler powder, containing substantially no lead, having a thermal expansion coefficient of at most 50×10?7/° C., and being processable at 500° C. or lower, wherein the above low-melting point glass powder satisfies a softening pour point range of at least 30° C.
    Type: Application
    Filed: March 27, 2009
    Publication date: October 1, 2009
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Asahi IDE
  • Publication number: 20090155555
    Abstract: Pastes for use in producing sintered frit patterns (14) on glass sheets (12), such as the glass sheets used as covers for OLED (18) display devices (10), are provided. The pastes include glass particles, filler particles, and a vehicle. The sizes of the filler and/or glass particles are reduced compared to prior art pastes. Reductions in porosity and surface roughness of sintered frits produced using the pastes, as well as improvements in the available process window for producing OLED packages and the hermeticity and strength of those packages, are reported.
    Type: Application
    Filed: August 13, 2008
    Publication date: June 18, 2009
    Inventors: John W. Botelho, Edward Arthur Cuellar, Michelle Nicole Haase Pastel, Lu Zhang
  • Patent number: 7547651
    Abstract: The invented compositions for metal cladding of components in demanding applications can include one or more of liquid and/or colloidal sodium, potassium and/or lithium silicate, clay and/or clays, a compound of hollow micro-spheres (e.g. naturally occurring and nearly ubiquitous perlite and/or a synthetic hollow micro-sphere equivalent) and/or alumina or one or more flexible or malleable or resiliently deformable, impact-resistant materials such as plastomers, elastomers and/or other plastic, rubber, plastic-like or rubber-like materials; a wetting agent consisting of one or more of water or water and ethanol for fast drying under proper safety and venting conditions; and one or more surfactants and/or dispersants.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: June 16, 2009
    Assignee: Applied Technology Laboratories LLC
    Inventor: Gary Wilson
  • Patent number: 7507682
    Abstract: In manufacturing a ceramic multi-layer wiring substrate which is formed by stacking a plurality of ceramic layers and which includes an internal wiring, a ceramic paste is printed using a screen printing process on a part of a ceramic green sheet to be a ceramic layer having the internal wiring formed thereon which part does not include the internal wiring, to form between the ceramic layers a ceramic filling layer including a same ceramic component as that in the ceramic layers which ceramic filling layer is not formed on the internal wiring. The ceramic paste includes a ceramic component, an acrylic resin, and a cellulose resin, and loss factor tan ? of the paste represented by (loss modulus)/(storage modulus) in a dry condition after printing is equal to or greater than loss factor tan ? of a conductor paste layer to be the internal wiring in a dry condition.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: March 24, 2009
    Assignee: Kyocera Corporation
    Inventors: Hiroyuki Takase, Shinichi Suzuki, Yutaka Iki
  • Patent number: 7435695
    Abstract: Disclosed are zinc niobium phosphate glasses consisting essentially, expressed in terms of mole percent on the oxide basis of, 40-65% P2O5, 25-37% ZnO, 0.1-15% Nb2O5, 0-6% Al2O3, 0-5% Bi2O3, 0-3% Na2O and 0-5% B2O3, said glass exhibiting glass transition temperature below 450° C., a dilatometer softening point below 500° C., coefficient of expansion in the range of 80-120×10?7° C.?1, good chemical durability and blue color. The glass of the present invention is useful for sealing optical fiber to ferrule by local heating.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: October 14, 2008
    Assignee: B.G. Negev Technologies and Applications Ltd.
    Inventor: Jacob Hormadaly
  • Publication number: 20080127855
    Abstract: The invented compositions for metal cladding of components in demanding applications can include one or more of liquid and/or colloidal sodium, potassium and/or lithium silicate, clay and/or clays, a compound of hollow micro-spheres (e.g. naturally occurring and nearly ubiquitous perlite and/or a synthetic hollow micro-sphere equivalent) and/or alumina or one or more flexible or malleable or resiliently deformable, impact-resistant materials such as plastomers, elastomers and/or other plastic, rubber, plastic-like or rubber-like materials; a wetting agent consisting of one or more of water or water and ethanol for fast drying under proper safety and venting conditions; and one or more surfactants and/or dispersants.
    Type: Application
    Filed: September 28, 2007
    Publication date: June 5, 2008
    Inventor: Gary Wilson
  • Patent number: 7300487
    Abstract: There is disclosed a sealing material for sealing a ceramic structure, the sealing material containing a ceramic component, an ordinary-temperature liquid component, and a suspending agent. In a method in which opening end portions of a large number of through channels 3 divided by partition walls 2 and extending in an axial direction in a honeycomb structure 1 including the through channels, the method comprises the steps of: sealing the opening end portions using the above-described sealing material. Sealed portions 10 are formed in the opening end portions of the through channels 3 by the sealing material. There are disclosed a sealing material, a sealing method for a honeycomb structure, and a sealed honeycomb structure in which less kinks are generated in the sealed portions, and a depth in each sealed portion fluctuates little.
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: November 27, 2007
    Assignee: NGK Insulators, Ltd.
    Inventor: Jun Fujita
  • Patent number: 7291573
    Abstract: A low melting glass, which contains substantially no lead and contains 70-90% of Bi2O3, 1-20% of ZnO, 2-12% of B2O3, 0.1-5% of Al2O3, 0.1-5% of CeO2, 0-5% of CuO, 0-0.2% of Fe2O3 and 0.05-5% of CuO+Fe2O3 in mass %, wherein a content of alkali metal oxides in the glass composition is less than 0.1%, and the glass does not crystallize by pre-baking at a sealing temperature or more, can be used for sealing later, and can suppress deterioration of a material such as platinum or platinum-rhodium to provide a stable melting operation for a long period.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: November 6, 2007
    Assignee: Asahi Techno Glass Corporation
    Inventor: Asahi Ide
  • Patent number: 7291050
    Abstract: The present invention relates to a method of making a plasma display panel, and more specifically, a method of forming a dielectric layer on an upper substrate of a plasma display panel. According to first embodiment of the present invention, a method of forming a dielectric layer on an upper substrate of a plasma display panel, comprises steps of: forming a plurality of sustain electrodes on the upper substrate, and bus electrodes on the sustain electrodes; forming an electrode discoloration prevention layer which envelops said sustain electrodes and said bus electrodes, said electrode discoloration prevention layer including a green sheet by first casting; forming a penetration rate enhancement layer on the electrode discoloration prevention layer, said penetration rate enhancement layer including a green sheet by second casting.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: November 6, 2007
    Assignee: LG Electronics Inc.
    Inventors: Je Seok Kim, Woo Sung Jang, Ju Min Kim
  • Patent number: 7267713
    Abstract: Provided is a conductive paste capable of adjusting resistivity and forming a conductor film having high strength of bonding with a glass substrate and high mounting strength of a metal terminal. The conductive paste contains a conductive component, a glass frit having a composition containing a Bi2O3—B2O3—SiO2—Al2O3 or Bi2O3—B2O3—SiO2—Al2O3—ZnO primary component and about 0.5 to 5% by weight of NiO as a secondary component, and an organic vehicle. The conductive paste is applied on a glass substrate and then baked to form a conductor film. A glass circuit structure formed by using the conductor film can be advantageously used as a defogging glass for an automobile window.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: September 11, 2007
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Fumiya Adachi
  • Patent number: 7268093
    Abstract: A glaze composition can be used to provide a glaze layer having excellent antifouling performance and visual beauty. The glaze composition contains a glaze forming material, which has a composition determined such that a baked product obtained by baking the glaze composition comprises 55.0 to 67.0 wt % of SiO2; 8.0 to 11.0 wt % of Al2O3; 2.0 to 8.0 wt % of SnO2; 15.0 to 21.0 wt % of a divalent metal oxide; and 4.0 to 6.0 wt % of a monovalent metal oxide, with respect to a total weight of the baked product. When a glaze layer is formed by use of this glaze composition, it resists contamination. Even when a dirt deposits on the glaze layer, the dirt can be easily removed from the glaze layer. In addition, the glaze composition can provide a beautiful semi-opaque glaze layer with luster and a reduction in pore generation amount.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: September 11, 2007
    Assignee: American Standard International, Inc.
    Inventors: Shigeru Ishiki, Masayuki Ishihara, Kazuhiro Matsuura, Kanjanatanom Othong
  • Patent number: 7214429
    Abstract: A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01˜2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3 and ZrO2 having a particle diameter of 0.001˜0.1 ?m, P2O5—SnO type low melting glass and thermal expansion-controlling low melting ceramics.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: May 8, 2007
    Assignee: Futaba Corporation
    Inventors: Masahiro Kato, Junichiro Kogure
  • Patent number: 7208430
    Abstract: A glass composition for covering electrodes of the present invention contains: 0 to 15 wt % SiO2; 10 to 50 wt % B2O3; 15 to 50 wt % ZnO; 0 to 10 wt % Al2O3; 2 to 40 wt % Bi2O3; 0 to 5 wt % MgO; 5 to 38 wt % CaO+SrO+BaO; 0 to 0.1 wt % Li2O+Na2O+K2O; 0 to 4 wt % MoO3; and 0 to 4 wt % WO3, and the total of the contents of MoO3 and WO3 is in the range of 0.1 to 8 wt %. The glass composition for covering electrodes of the present invention may contain: 0 to 2 wt % SiO2; 10 to 50 wt % B2O3; 15 to 50 wt % ZnO; 0 to 10 wt % Al2O3; 2 to 40 wt % Bi2O3; 0 to 5 wt % MgO; 5 to 38 wt % CaO+SrO+BaO; 0 to 4 wt % MoO3; and 0 to 4 wt % WO3, and the total of the contents of MoO3 and WO3 may be in the range of 0.1 to 8 wt %.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: April 24, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinya Hasegawa, Osamu Inoue, Seiji Toyoda
  • Patent number: 7138347
    Abstract: A thick-film composition comprising: (a) conductive metal; (b) crystallized glass; (c) amorphous glass; and (d) organic medium.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: November 21, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Takuya Konno
  • Patent number: 7087293
    Abstract: The present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–45% ZnO, 2–10% Al2O3, 35–50% SiO2 and 0.1–3% A2O where A is selected from the group of alkali elements and mixtures thereof wherein the glass composition is useful in thick paste dielectric materials which are compatible with AlN substrates.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: August 8, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Yong Cho, Kenneth Warren Hang
  • Patent number: 7030048
    Abstract: present invention relates to a Cd-free and Pb-free glass composition comprising, based in mol %, 1–10% MO where M is selected from Ba, Sr, Ca and mixtures thereof, 5–30% MgO, 0.3–5% CuO, 0–2.5% P2O5, 0–2.5% ZrO2, 24–45% ZnO, 2–10% Al2O3, 35–50% SiO2 and 0.1–3% A2O where A is selected from the group of alkali elements and mixtures thereof wherein the glass composition is useful in thick paste dielectric materials which are compatible with AlN substrates.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: April 18, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Yong Cho, Kenneth Warren Hang
  • Patent number: 6911408
    Abstract: Objects of the present invention are: a lead-free enamel composition comprising finely divided glass particles, finely divided pigment particles and an organic binder, characterised in that the glass of said particles is a lead-free mineral glass, essentially having the composition below, which is expressed in percentages by weight of oxides: SiO2 45-60 CaO ?0-12 B2O3 ?0-10 BaO 13-27 Al2O3 ?6-17 ZnO ?3-17 Na2O 0- 7 MgO 0- 9 K2O 0-7 TiO2 0-2 Li2O 0- 7 ZrO2 0- 7 with Na2O + K2O + Li2O > 4 the enamel able to be obtained by firing of said composition; glass-ceramic articles, which are decorated with said enamel; and new lead-free mineral glasses.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: June 28, 2005
    Assignee: EuroKera
    Inventors: Lionel Beunet, Sebastien Hyvart, Fabrice Minier, Sophie Peschiera, Christophe Remy
  • Patent number: 6835682
    Abstract: The present invention relates to an alkali-containing magnesium borosilicate glass composition comprising, in mole %, 10-25% SiO2, 10-25% B2O3, 5-10% BaO, 40-65% MgO, 0.5-3% ZrO2, 0.3-3% P2O5, and 0.2-5% M2O where M is selected from the group of alkali elements and mixtures thereof. The invention is further directed to a castable dielectric composition comprising a dispersion of finely divided solids comprising, based on solids: (a) 50-90 wt. % the glass composition as described above; (b) 10-50 wt. % ceramic filler; both dispersed in a solution of (c) an organic polymeric binder; and (d) a volatile organic solvent. The invention is still further directed to the castable dielectric composition described above used in a method of forming a high TCE LTCC green tape by casting a thin layer of the castable dispersion onto a flexible substrate and heating the cast layer to remove the volatile organic.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: December 28, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Yong Cho, Kenneth Warren Hang
  • Patent number: 6835680
    Abstract: A ceramic color composition comprising, as represented by mass percentage, from 60 to 85% of a low melting point glass powder, from 15 to 40% of a heat-resistant pigment powder, from 0 to 15% of heat-resistant whiskers, and from 0 to 15% of a refractory powder, wherein Fe3O4: 1 to 35%, MnO2: 1 to 24%, Cr2O3+CuO≧1%, and Cr2O3/8.5+CuO/23+NiO/3.3+CoO/0.71+V2O/56+Se/0.45≦1%.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: December 28, 2004
    Assignee: Asahi Glass Company, Limited
    Inventors: Shuji Taguchi, Shiro Ootaki, Toru Kudo
  • Patent number: 6825140
    Abstract: A glass paste comprising an inorganic powder, wherein the powder has a refractive index of 2.0 or more, a reflective index at wavelengths of light of 400 nm, 550 nm and 700 nm in a light reflection spectrum of 80% or more, a primary particle size measured by scanning electron microscopy of from 0.1 &mgr;m to 10 &mgr;m, and a BET specific surface area of from 0.1 m2/g to 15 m2/g.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: November 30, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kunio Saegusa, Shinichiro Tanaka
  • Publication number: 20040232839
    Abstract: A glass paste used as a starting material of a transparent dielectric of a plasma display panel (“PDP”), the glass paste enabling the baking time required in forming a dielectric layer of the PDP to be shortened without reducing the transmissivity of the dielectric layer. A decomposition accelerator for accelerating the decomposition of an organic component is included in the glass paste so as to contact with the organic component. As a result, the decomposition of the organic component is accelerated when the glass paste is baked. Moreover, since the organic component is substantially eliminated before the baking temperature reaches a temperature at which a glass powder in the glass paste begins to melt, gas from decomposing organic component is not generated when the glass powder melts, and consequently the trapping of gas bubbles within the dielectric layer is prevented.
    Type: Application
    Filed: June 24, 2004
    Publication date: November 25, 2004
    Inventors: Morio Fujitani, Hiroyuki Yonehara, Masaki Aoki, Hideki Asida, Junichi Hibino
  • Patent number: 6809049
    Abstract: The present invention provides glass compositions that can be used instead of known glass compositions containing a large amount of PbO in applications such as coating ceramic substrates, e.g., alumina, or sealing fluorescent tubes or the like. The invention also provides glass forming materials containing the glass compositions as a primary component for glass formation. Glass compositions provided by the present invention are comprises essentially of primary oxide components. The primary oxide components include ZnO, B2O3 and P2O5 as essential components and Al2O3, MgO, CaO and BaO as optional components. The amount of the primary oxide components is 85 wt % or more (preferably 90 wt % or more) of the total weight of the glass composition. Typically, the primary oxide components include 45 to 80% of ZnO, 5 to 45% of B2O3, 1 to 35% of P2O5, 0 to 10% of Al2O3, 0 to 15% of MgO, 0 to 10% of CaO, and 0 to 5% of BaO.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: October 26, 2004
    Assignee: Noritake Co., Ltd.
    Inventor: Jun Hirose
  • Patent number: 6794320
    Abstract: Paste compositions for forming ceramic composites can include at least one solvent; at least one optional binder; at least one low-temperature frit glass; and a plurality of one or more functional particles; wherein the paste is capable of forming a composite upon low-temperature processing or laser processing.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: September 21, 2004
    Assignees: Sciperio, Inc., Oklahoma State University
    Inventors: Robert L. Parkhill, Edward T. Knobbe
  • Patent number: 6699808
    Abstract: Extremely high solids content silica dispersions are useful for forming green bodies of near net shape as compared to the shape of the bodies after sintering. The green bodies are particularly useful for sintering to form low impurity-containing crucibles for single crystal silicon production.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: March 2, 2004
    Assignee: Wacker-Chemie GmbH
    Inventors: Fritz Schwertfeger, Johann Weis, Peter Ritter, Achim Molter, Wolfgang Schweren, Volker Frey, Hans-Peter Scherm
  • Patent number: 6699807
    Abstract: A glass ceramic, for use as a resistor or a gas-tight glass ceramic solder for use in a spark plug, includes a fused seal of a starting glass fused from a starting mixture containing SiO2, Al2O3, TiO2 and CaO, the fused seal including crystalline phases in at least some areas. A method for producing such a glass ceramic provides for the starting glass to be processed in a first method step to form a starting material, which is heated for a first period of time in a second method step from a starting temperature, which is below the softening temperature of the starting glass, to a fusion temperature, which is above the softening temperature of the starting glass, and is kept at that temperature for a second period of time and finally is cooled again. A spark plug may include a terminal stud and a center electrode, which are electrically connected across a resistor that is formed in at least some areas by the glass ceramic.
    Type: Grant
    Filed: March 23, 2002
    Date of Patent: March 2, 2004
    Assignee: Robert Bosch GmbH
    Inventors: Heinz Geier, Rudolf Pollner, Imke Koengeter, Ulrich Eisele
  • Patent number: 6693053
    Abstract: A glass or glass powder is fused from a starting mixture containing approximately 38 wt % to 48 wt % SO2, 15 wt % to 19 wt % Al2O3, 4.5 wt % to 11 wt % TiO2, 0 wt % to 1.5 wt % Na2O, 0 wt % to 1.5 wt % K2O and 23 wt % to 30 wt % CaO. In addition, a glass powder mixture includes two glass powders, a carbon black powder and an organic binder, the first glass powder having a mean particle size of approximately 150 &mgr;m to 250 &mgr;m, the second glass powder having a mean particle size of less than approximately 100 &mgr;m, which may be 10 &mgr;m to 70 &mgr;m. The glass or glass powder mixture is suitable for producing a glass ceramic, such as that used as a resistor seal and/or a gas-tight glass ceramic solder in a spark plug.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: February 17, 2004
    Assignee: Robert Bosch GmbH
    Inventors: Heinz Geier, Rudolf Pollner, Ulrich Eisele, Peter Wange
  • Publication number: 20030216239
    Abstract: Base material for the manufacturing of baked vitreous or vitrocrystalline pieces, characterized in that it is a granulated material with granules with a particle size with a diameter smaller than 2,000 &mgr;m that comprises, at least,
    Type: Application
    Filed: March 14, 2003
    Publication date: November 20, 2003
    Inventor: Jose Luis Del Rio Soto
  • Publication number: 20030207124
    Abstract: A glass paste comprising an inorganic powder, wherein the powder has a refractive index of 2.0 or more, a reflective index at wavelengths of light of 400 nm, 550 nm and 700 nm in a light reflection spectrum of 80% or more, a primary particle size measured by scanning electron microscopy of from 0.1 &mgr;m to 10 &mgr;m, and a BET specific surface area of from 0.1 m2/g to 15 m2/g.
    Type: Application
    Filed: April 11, 2001
    Publication date: November 6, 2003
    Inventors: Kunio Saegusa, Shinichiro Tanaka
  • Patent number: 6624104
    Abstract: Low temperature melting lead-free glass and enamel compositions are provided which have low boron content and possess high durability properties. Enamel pastes containing frits of the glass compositions are particularly useful in forming colored borders in automotive glass.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: September 23, 2003
    Assignee: Ferro Glass & Color Corporation
    Inventors: George E. Sakoske, Gerhard Tünker
  • Patent number: 6602946
    Abstract: A photosensitive insulating paste contains a borosilicate glass powder and a crystalline SiO2 powder, wherein the powders are dispersed in a photosensitive organic vehicle and the paste contains the crystalline SiO2 component in an amount of about 3-40 wt. % after sintering. A thick-film multi-layer circuit substrate (e.g., chip inductor) comprising an insulating substrate on which insulating layers are formed, wherein the insulating layers are formed through exposure, development and sintering, after the application of the photosensitive insulating paste.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: August 5, 2003
    Assignee: Murata Manufacturing Co.
    Inventors: Makoto Tose, Hiromichi Kawakami, Shizuharu Watanabe
  • Patent number: 6589894
    Abstract: In a composition for use in formation of barrier ribs in a plasma display panel, comprising glass powder, the glass powder is powder of PbO free and alkali metal oxide free glass which consists essentially of, by molecular percent, 5-40% BaO, 20-55% ZnO, 15-50% B2O3, 0-25% SiO2. The glass has a softening point of 630° C. or less. Ceramics powder is mixed with the glass powder. The composition can also be provided in a form of paste, alternatively in a form of a green sheet.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 8, 2003
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Takayuki Mito, Hiroyuki Oshita, Masahiko Ouji, Kazuo Hadano