Including Polysiloxane (e.g., Silicone Resin) Patents (Class 257/791)
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Publication number: 20120242953Abstract: This invention discloses a device comprising multiple functional layers formed on substrates, wherein at least one functional layer comprises an electrical energy source. In some embodiments, the present invention includes an insert for incorporation into ophthalmic lenses that has been formed by the stacking of multiple functionalized layers.Type: ApplicationFiled: February 22, 2012Publication date: September 27, 2012Inventors: Randall B. Pugh, Frederick A. Flitsch, Daniel B. Otts, James Daniel Riall, Adam Toner
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Patent number: 8257988Abstract: A method of making a light emitting diode (LED) having an optical element is provided, comprising: providing a curable liquid polysiloxane/TiO2 composite, which exhibits a refractive index of >1.61 to 1.7 and which is a liquid at room temperature and atmospheric pressure; providing a semiconductor light emitting diode die having a face, wherein the semiconductor light emitting diode die emits light through the face; contacting the semiconductor light emitting diode die with the curable liquid polysiloxane/TiO2 composite; and, curing the curable liquid polysiloxane/TiO2 composite to form an optical element; wherein at least a portion of the optical element is adjacent to the face.Type: GrantFiled: May 17, 2011Date of Patent: September 4, 2012Assignee: Rohm and Haas Electronic Materials LLCInventors: Paul Joseph Popa, Garo Khanarian, Weijun Zhou, John R. Ell
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Patent number: 8237296Abstract: Organic anti-stiction coatings such as, for example, hydrocarbon and fluorocarbon based self-assembled organosilanes and siloxanes applied either in solvent or via chemical vapor deposition, are selectively etched using a UV-Ozone (UVO) dry etching technique in which the portions of the organic anti-stiction coating to be etched are exposed simultaneously to multiple wavelengths of ultraviolet light that excite and dissociate organic molecules from the anti-stiction coating and generate atomic oxygen from molecular oxygen and ozone so that the organic molecules react with atomic oxygen to form volatile products that are dissipated, resulting in removal of the exposed portions of the anti-stiction coating. A hybrid etching process using heat followed by UVO exposure may be used. A shadow mask (e.g., of glass or quartz), a protective material layer, or other mechanism may be used to selective expose the portions of the anti-stiction coating to be UVO etched.Type: GrantFiled: June 8, 2010Date of Patent: August 7, 2012Assignee: Analog Devices, Inc.Inventor: Mehmet Hancer
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Publication number: 20120193817Abstract: An epoxy resin composition including (A) an epoxy resin that is solid at room temperature and has a softening point of 40° C. to 110° C., (B) a curing agent that is solid at room temperature and has a softening point of not less than 40° C. to 110° C., (C) a curing accelerator, (D) an inorganic filler having a mass-average particle size of 0.05 to 5 ?m, (E) a diluent, and (F) a specific dimethyl silicone, in which at least one of the component (A) and the component (B) is silicone-modified is provided. The composition can be used in a silicon chip die attach method or to produce a semiconductor device containing a silicon chip, a substrate and a cured product of the composition, in which the silicon chip is bonded to the substrate via the cured product.Type: ApplicationFiled: January 17, 2012Publication date: August 2, 2012Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Tatsuya KANAMARU, Shinsuke YAMAGUCHI
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Patent number: 8232355Abstract: The present invention provides a liquid resin composition for electronic components, which is excellent in migration resistance and also superior in formability and reliability, as well as an electronic component device sealed therewith, and relates to a liquid resin composition for electronic components, which comprises (A) an epoxy resin, (B) a cyclic acid anhydride which is liquid at ordinary temperature and has an acid anhydride equivalent of 200 or more, and (C) a coupling agent.Type: GrantFiled: November 24, 2006Date of Patent: July 31, 2012Assignee: Hitachi Chemical Co., Ltd.Inventors: Hisato Takahashi, Hisashi Tsukahara, Kyouichi Tomita, Shinsuke Hagiwara
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Patent number: 8222752Abstract: Provided is an organopolysiloxane composition that provides a cured product which has excellent heat resistance and does not peel or crack even under high temperatures. The organopolysiloxane composition comprises (A) an organopolysiloxane having difunctional siloxane units (D units) and trifunctional siloxane units (T units), and a weight-average molecular weight of 37,000 to 140,000 in which the molar ratio (T/D) of the T units to the D units is 0.3 to 0.8; and (B) an organopolysiloxane having the difunctional siloxane units (D units) and the trifunctional siloxane units (T units), and a weight-average molecular weight of 1,000 to 60,000 in which the molar ratio (T/D) of the T units to the D units is 0.15 or less, the organopolysiloxane composition being characterized by having a molar ratio (B/A) of the organopolysiloxane (B) to the organopolysiloxane (A) of 1.5 to 6.5.Type: GrantFiled: December 16, 2010Date of Patent: July 17, 2012Assignee: Mitsubishi Electric CorporationInventor: Seiki Hiramatsu
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Patent number: 8218296Abstract: A housing comprises a first housing part, having a first bearing surface for a first contact surface of a sealing ring, and a second housing part, which can be screwed together with the first housing part and has a second bearing surface for a second contact surface of the sealing ring. The first contact surface of the sealing ring is produced from a first material having a first coefficient of friction in relation to the material of the first bearing surface, the second contact surface of the sealing ring is produced from a second material that has a second coefficient of friction in relation to the material of the second bearing surface, and the first coefficient of friction is smaller than the second coefficient of friction.Type: GrantFiled: March 14, 2006Date of Patent: July 10, 2012Assignee: Endress + Hauser GmbH + Co. KGInventor: Armin Rupp
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Patent number: 8217409Abstract: Surface-textured encapsulations for use with light emitting diodes. In an aspect, a light emitting diode apparatus is provided that includes a light emitting diode, and an encapsulation formed upon the light emitting diode and having a surface texture configured to extract light. In an aspect, a method includes encapsulating a light emitting diode with an encapsulation having a surface texture configured to extract light. In an aspect, a light emitting diode lamp is provided that includes a package, at least one light emitting diode disposed within the package, and an encapsulation formed upon the at least one light emitting diode having a surface texture configured to extract light. In another aspect, a method includes determining one or more regions of an encapsulation, the encapsulation configured to cover a light emitting diode, and surface-texturing each region of the encapsulation with one or more geometric features that are configured to extract light.Type: GrantFiled: December 17, 2010Date of Patent: July 10, 2012Assignee: Bridgelux, Inc.Inventor: Tao Xu
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Publication number: 20120161339Abstract: A fiber-containing resin substrate for collectively sealing a semiconductor devices mounting surface of a substrate having the semiconductor devices mounted thereon or a semiconductor devices forming surface of a wafer having semiconductor devices formed thereon, includes: a resin-impregnated fiber base material obtained by impregnating a fiber base material with a thermosetting resin and semi-curing or curing the thermosetting resin; and an uncured resin layer containing an uncured thermosetting resin and formed on one side of the resin-impregnated fiber base material.Type: ApplicationFiled: November 21, 2011Publication date: June 28, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Susumu SEKIGUCHI, Toshio SHIOBARA
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Publication number: 20120153512Abstract: The present invention relates to an epoxy resin composition for semiconductor encapsulation, including the following components (A) to (E):(A) an epoxy resin; (B) a phenol resin other than component (C); (C) a silane-modified phenol resin represented by Formula (1) as defined in the specification; (D) a curing accelerator; and (E) an inorganic filler; wherein the component (C) is contained in an amount of 0.8 to 30.0% by weight based on a total weight of organic components in the epoxy resin composition.Type: ApplicationFiled: December 21, 2011Publication date: June 21, 2012Applicant: NITTO DENKO CORPORATIONInventors: Naoya SUGIMOTO, Tomoaki ICHIKAWA, Mitsuaki FUSUMADA, Tomohito IWASHIGE
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Patent number: 8202933Abstract: The present invention provides a silicone resin composition for encapsulating light-emitting elements with which encapsulation using a potting method can be easily accomplished, and which can be easily molded into a lens shape such as hemisphere, parabola, or the like. The composition can impart high transparency to the resulting encapsulating lens molded using a potting method. More particularly, the invention provides a silicone resin composition for encapsulating light-emitting elements, including 2 to 25 wt % of silica with a mean particle size of 1 to 30 nm based on the total amount of Components (A) and (B); and having a viscosity (23° C.) of more than 10 Pa·s and less than 70 Pa·s, and a thixotropic index of 2.0 to 5.5; the composition being used for encapsulation using a potting method.Type: GrantFiled: March 10, 2008Date of Patent: June 19, 2012Assignee: Sanyu Rec Co., Ltd.Inventors: Yoshiteru Miyawaki, Osamu Tanaka
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Patent number: 8203222Abstract: A semiconductor device includes a substrate, a semiconductor chip, and first and second insulations. The substrate has at least a first region and a second region. The semiconductor chip structure covers the first region. The first insulation covers the second region. The first insulation has a first thermal expansion coefficient approximately equal to that of the semiconductor chip structure. The second insulation covers the semiconductor chip structure and the first insulation so that the semiconductor chip structure and the first insulation are sandwiched between the substrate and the second insulation. The second insulation has a second thermal expansion coefficient approximately equal to that of the substrate.Type: GrantFiled: June 24, 2009Date of Patent: June 19, 2012Assignee: Elpida Memory, Inc.Inventors: Mitsuhisa Watanabe, Koichi Hatakeyama, Keiyo Kusanagi
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Publication number: 20120139132Abstract: Provided are an olefin composition, filler and an optoelectronic device. One illustrative olefin composition may be effectively used as a filling material for various optoelectronic devices.Type: ApplicationFiled: October 31, 2011Publication date: June 7, 2012Applicant: LG CHEM, LTD.Inventors: Beom Doo SEO, Hoon Chae, Choong Hoon Lee, Jong Joo Ha, Sung Ho Choi
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Patent number: 8193549Abstract: Surface-textured encapsulations for use with light emitting diodes. In an aspect, a light emitting diode apparatus is provided that includes a light emitting diode, and an encapsulation formed upon the light emitting diode and having a surface texture configured to extract light. In an aspect, a method includes encapsulating a light emitting diode with an encapsulation having a surface texture configured to extract light. In an aspect, a light emitting diode lamp is provided that includes a package, at least one light emitting diode disposed within the package, and an encapsulation formed upon the at least one light emitting diode having a surface texture configured to extract light. In another aspect, a method includes determining one or more regions of an encapsulation, the encapsulation configured to cover a light emitting diode, and surface-texturing each region of the encapsulation with one or more geometric features that are configured to extract light.Type: GrantFiled: October 11, 2010Date of Patent: June 5, 2012Assignee: Bridgelux Inc.Inventor: Tao Xu
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Publication number: 20120126435Abstract: Provided are a curable composition for semiconductor encapsulation which produces a cured product that is excellent in heat resistance, electrical insulation properties at high temperatures, flexibility and heat cycle resistance, and a semiconductor device encapsulated by curing this curable composition. Specifically, there is provided a curable composition for semiconductor encapsulation containing, as component (A), a particular SiH group-containing siloxane compound; as component (B), a particular vinyl group-containing siloxane compound; as component (C), a compound having at least three SiH groups or at least three vinyl groups; and as component (D), a hydrosilylation catalyst.Type: ApplicationFiled: May 26, 2011Publication date: May 24, 2012Applicant: ADEKA CORPORATIONInventors: Ken-ichiro Hiwatari, Isamu Yumoto
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Patent number: 8164202Abstract: An optical semiconductor device encapsulated with a silicone resin that suffers no discoloration of the lead and exhibits excellent thermal shock resistance. The optical semiconductor device includes an optical semiconductor element and a cured product of a silicone resin composition that encapsulates the optical semiconductor element, wherein the amount of (?SiO3/2) units (wherein ? represents a phenyl group) within the cured product, determined by solid 29Si-DD/MAS analysis, is within a range from 0.13 mol/100 g to 0.37 mol/100 g.Type: GrantFiled: February 23, 2010Date of Patent: April 24, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tsutomu Kashiwagi, Takahiro Hongo
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Patent number: 8126026Abstract: A two-beam semiconductor laser device 10 includes: a two-beam semiconductor element LDC having a first and a second semiconductor laser elements LD1 and LD2 that can be driven independently and that are formed integrally on a substrate; and a submount 63 having, mounted on a front part thereof, the two-beam semiconductor laser element LDC with the light-emitting face thereof directed forward and having a first and a second electrode pads 64 and 65 connected to electrodes 61 and 62 of the first and second semiconductor laser element LD1 and LD2 by being kept in contact therewith. The first and second electrode pads 64 and 65 are formed to extend farther behind the two-beam semiconductor laser element LDC, and wires 14 and 16 are wire-bonded behind the two-beam semiconductor laser element LDC.Type: GrantFiled: February 27, 2009Date of Patent: February 28, 2012Assignees: Sanyo Electric Co., Ltd., Tottori Sanyo Electric Co., Ltd.Inventors: Yasuhiro Watanabe, Kouji Ueyama, Shinichirou Akiyoshi
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Patent number: 8120189Abstract: A wiring structure having a wiring-terminal-connection adhesive that includes a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles.Type: GrantFiled: June 13, 2008Date of Patent: February 21, 2012Assignee: Hitachi Chemical Company, Ltd.Inventors: Motohiro Arifuku, Itsuo Watanabe, Kouji Motomura, Kouji Kobayashi, Yasushi Gotoh, Tohru Fujinawa
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Publication number: 20120038066Abstract: The disclosure provides methods and materials suitable for use as encapsulation barriers and dielectric layers in electronic devices. In one embodiment, for example, there is provided an electroluminescent device or other electronic device with a dielectric layer comprising alternating layers of a silicon-containing bonding material and a ceramic material. The methods provide, for example, electronic devices with increased stability and shelf-life. The invention is useful, for example, in the field of microelectronic devices.Type: ApplicationFiled: March 4, 2009Publication date: February 16, 2012Applicant: SRI INTERNATIONALInventors: Yigal D. Blum, William Siu-Keung Chu, David Brent MacQueen, Yijian Shi
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Publication number: 20120032189Abstract: Provided is an organopolysiloxane composition that provides a cured product which has excellent heat resistance and does not peel or crack even under high temperatures. The organopolysiloxane composition comprises (A) an organopolysiloxane having difunctional siloxane units (D units) and trifunctional siloxane units (T units), and a weight-average molecular weight of 37,000 to 140,000 in which the molar ratio (T/D) of the T units to the D units is 0.3 to 0.8; and (B) an organopolysiloxane having the difunctional siloxane units (D units) and the trifunctional siloxane units (T units), and a weight-average molecular weight of 1,000 to 60,000 in which the molar ratio (T/D) of the T units to the D units is 0.15 or less, the organopolysiloxane composition being characterized by having a molar ratio (B/A) of the organopolysiloxane (B) to the organopolysiloxane (A) of 1.5 to 6.5.Type: ApplicationFiled: December 16, 2010Publication date: February 9, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Seiki HIRAMATSU
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Patent number: 8084130Abstract: The present invention provides an epoxy resin molding material for sealing that is excellent in fluidability and solder reflow resistance without lowering the curability thereof, and an electronic component device provided with an element sealed with the material. The epoxy resin molding material for sealing, comprising (A) an epoxy resin, (B) a curing agent, (C) a curing accelerating agent, (D) an inorganic filler, and (E) an alkoxysilane polymer, wherein the alkoxysilane polymer (E) is a polymer obtained by polymerizing an alkoxysilyl group moiety of a specific alkoxysilane compound.Type: GrantFiled: September 25, 2007Date of Patent: December 27, 2011Assignee: Hitachi Chemical Co., Ltd.Inventors: Mitsuyoshi Hamada, Akira Nagai, Hiroaki Ikeba, Ken Nanaumi, Kouhei Yasuzawa
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Patent number: 8076683Abstract: Surface-textured encapsulations for use with light emitting diodes. In an aspect, a light emitting diode apparatus is provided that includes a light emitting diode, and an encapsulation formed upon the light emitting diode and having a surface texture configured to extract light. In an aspect, a method includes encapsulating a light emitting diode with an encapsulation having a surface texture configured to extract light. In an aspect, a light emitting diode lamp is provided that includes a package, at least one light emitting diode disposed within the package, and an encapsulation formed upon the at least one light emitting diode having a surface texture configured to extract light. In another aspect, a method includes determining one or more regions of an encapsulation, the encapsulation configured to cover a light emitting diode, and surface-texturing each region of the encapsulation with one or more geometric features that are configured to extract light.Type: GrantFiled: February 11, 2010Date of Patent: December 13, 2011Assignee: Bridgelux, Inc.Inventor: Tao Xu
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Publication number: 20110272828Abstract: The present invention relates to an epoxy resin composition for semiconductor encapsulation, including the following ingredients A to E: A: an epoxy resin; B: a silicone mixture containing the following ingredients b1 and b2, with a weight ratio of the ingredients b1 and b2 being from 5/95 to 25/75 in terms of b1/b2: b1: a silicone compound having an amino group in both ends thereof and having a weight average molecular weight of from 600 to 900, and b2: a silicone compound having an amino group in both ends thereof and having a weight average molecular weight of from 10,000 to 20,000; C: a phenol resin; D: a curing accelerator; and E: an inorganic filler containing the following ingredients e1 and e2: e1: a crystalline silica, and e2: a fused silica.Type: ApplicationFiled: May 6, 2011Publication date: November 10, 2011Applicant: NITTO DENKO CORPORATIONInventor: Hironori KOBAYASHI
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Patent number: 8053878Abstract: A substrate including therein a plurality of conductor layers laminated via insulating layers, the substrate mounting at least one semiconductor integrated circuit, wherein the substrate includes a first electrode terminal connected to the semiconductor integrated circuit, a second electrode terminal connected to a terminal on an upper substrate arranged in a layer over the substrate, and on at least part of the perimeter of the first and second electrode terminals, a third electrode terminal located outside the outer edge of the upper substrate.Type: GrantFiled: November 8, 2007Date of Patent: November 8, 2011Assignee: Panasonic CorporationInventors: Hiroki Iwamura, Naoto Ozawa, Hiroshi Hirai
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Patent number: 8053275Abstract: A semiconductor device includes a package substrate having a front surface and a backside surface; an electrode pad formed on the front surface; an outer connection pad formed on the backside surface and electrically connected to the electrode pad; a semiconductor chip mounted on the front surface and having an electrode electrically connected to the electrode pad; a sealing resin layer having a through hole formed with a die-molding and reaching the electrode pad for sealing the semiconductor chip; and a through electrode filled in the through hole with a conductive material and having one end portion electrically connected to the electrode pad and the other end portion exposed from the sealing resin layer.Type: GrantFiled: July 17, 2008Date of Patent: November 8, 2011Assignee: Oki Semiconductor Co., LtdInventor: Hidenori Hasegawa
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Patent number: 8035236Abstract: A semiconductor device comprising curable polyorganosiloxane composites is provided where the composites contain at least 0.1 wt % of the 4th and/or 13th group elements of the periodic table. The cured polyorganosiloxane composites may be catalyst-free, have increased stability, and can be used as encapsulation resin at a temperature far lower than 300° C., have excellent light transmission properties (colorless transparency) in a wavelength region of from ultraviolet light to visible light, light resistance, heat resistance, resistance to moist heat and UV resistance, and has excellent adhesiveness toward metal, ceramics, and plastic surfaces over a long period of time.Type: GrantFiled: October 16, 2009Date of Patent: October 11, 2011Assignees: The Regents of the University of California, Mitsubishi Chemical CorporationInventors: Craig J. Hawker, Hunaid Nulwala, Anika A. Odukale, Jeffrey A. Gerbec, Kenichi Takizawa
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Patent number: 8030756Abstract: A plastic ball grid array semiconductor package employs a metal heat spreader having supporting arms embedded in the molding cap, in which the embedded supporting arms are not directly affixed to the substrate or in which any supporting arm that is affixed to the substrate is affixed using a resilient material such as an elastomeric adhesive. Also, a process for forming the package includes steps of placing the heat spreader in a mold cavity, placing the substrate over the mold cavity such that the die support surface of the substrate contacts the supporting arms of the heat spreader, and injecting the molding material into the cavity to form the molding cap. The substrate is positioned in register over the mold cavity such that as the molding material hardens to form the mold cap the embedded heat spreader becomes fixed in the appropriate position in relation to the substrate.Type: GrantFiled: April 6, 2007Date of Patent: October 4, 2011Assignee: Chippac, Inc.Inventors: Taekeun Lee, Flynn Carson, Marcos Karnezos
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Publication number: 20110227235Abstract: A curable organopolysiloxane composition and an optical semiconductor element sealant, each comprising (A) a diorganopolysiloxane that has at least 2 alkenyl groups wherein at least 70 mole % of all the siloxane units are methylphenylsiloxane units and the total content of 1,3,5-trimethyl-1,3,5-triphenylcyclotrisiloxane and 1,3,5,7-tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxane is no more than 5 weight %, (B) an organopolysiloxane that has at least 2 silicon-bonded hydrogen atoms wherein at least 15 mole % of the silicon-bonded organic groups are phenyl groups, and (C) a hydrosilylation reaction catalyst. An optical semiconductor device in which an optical semiconductor element within a housing is sealed with the cured product from the aforementioned composition.Type: ApplicationFiled: September 4, 2009Publication date: September 22, 2011Inventors: Makoto Yoshitake, Hiroji Enami, Tomoko Kato, Masayoshi Terada
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Patent number: 8017245Abstract: A composition for preparing an organic insulator, the composition comprising (i) at least one organic-inorganic hybrid material; (ii) at least one organometallic compound and/or organic polymer; and (iii) at least one solvent for dissolving the above two components, so that an organic insulator using the same has a low threshold voltage and driving voltage, and high charge carrier mobility and Ion/Ioff ratio, thereby enhancing insulator characteristics. Further, the preparation of organic insulating film can be carried out by wet process, so that simplification of the process and cut of cost are achieved.Type: GrantFiled: May 13, 2005Date of Patent: September 13, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sang Yoon Lee, Jong Jin Park, Yi Yeol Lyu, Bon Won Koo, Young Hun Byun, Eun Mi Seo
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Patent number: 8013435Abstract: A semiconductor module includes a base plate, at least one semiconductor chip mounted on the base plate, a case fixed to the base plate and surrounding the at least one semiconductor chip, an electrically insulating gel layer covering the at least one semiconductor chip, a thermosetting resin layer formed on top of the gel layer, and a lid formed on top of the thermosetting resin layer. The lid comprises a lid-extension, which defines a lid-opening. The lid-opening extends through the thermosetting resin layer to the gel layer and allows gel of the gel layer to expand into the lid-opening.Type: GrantFiled: January 19, 2010Date of Patent: September 6, 2011Assignee: ABB Technology AGInventors: Dominik Truessel, Daniel Schneider
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Patent number: 8004096Abstract: A semiconductor device and a manufacturing method of the device are disclosed. The semiconductor device includes a substrate that mounts a semiconductor element, a first stiffener, a reinforcement resin member, and a second stiffener for reinforcing the reinforcement resin member.Type: GrantFiled: July 19, 2006Date of Patent: August 23, 2011Assignee: Fujitsu LimitedInventor: Kenji Fukuzono
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Patent number: 8004078Abstract: Provided is an adhesive composition for a semiconductor device. For example, the adhesive composition comprises a binder resin and a silicon carbide filler. The silicon carbide filler has relatively high thermal conductivity and a relatively low coefficient of thermal expansion (CTE). Accordingly, the adhesive composition containing the silicon carbide filler exhibits improved heat dissipation performance and electrical performance due to high thermal conductivity and shows inhibition of delamination or cracking of semiconductor devices due to low CTE. The silicon carbide has high thermal conductivity, but is electrically non-conductive. Therefore, an electrically conductive adhesive can be obtained by additional incorporation of a silver (Ag) filler into the binder resin.Type: GrantFiled: March 17, 2009Date of Patent: August 23, 2011Assignee: Amkor Technology, Inc.Inventors: Jae Kyu Song, Bong Chan Kim, Min Yoo
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Patent number: 7982310Abstract: A semiconductor device is provided comprising: a semiconductor element including a plurality of electrodes; first wirings coupled to the electrodes and directed toward a center of the semiconductor element from a portion coupled to the electrodes; second wirings coupled between the first wirings and external terminals, the second wirings being directed to an outer area of the semiconductor element relative to the center; and at least one resin layer formed between the first wirings and the second wirings.Type: GrantFiled: September 29, 2009Date of Patent: July 19, 2011Assignee: Seiko Epson CorporationInventor: Haruki Ito
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Patent number: 7981977Abstract: The invention relates to a liquid resin composition for electronic components which is used in sealing of electronic components, comprising a liquid epoxy resin, a curing agent containing a liquid aromatic amine, and an inorganic filler, and further comprising at least one member selected from a hardening accelerator, silicone polymer particles, and a nonionic surfactant. There is thereby provided a liquid resin composition for electronic components, which is excellent in fluidity in narrow gaps, is free of void generation, is excellent in adhesiveness and low-stress characteristic and is excellent in fillet formation, as well as an electronic component device having high reliability (moisture resistance, thermal shock resistance), which is sealed therewith.Type: GrantFiled: December 8, 2006Date of Patent: July 19, 2011Assignee: Hitachi Chemical Co., Ltd.Inventors: Kazuyoshi Tendou, Satoru Tsuchida, Shinsuke Hagiwara
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Patent number: 7977412Abstract: An epoxy resin composition for encapsulating semiconductors which comprises as essential components (A) an epoxy resin, (B) a phenol resin, (C) a curing accelerator, (D) an inorganic filler and (E) a component comprising (e1) a butadiene-acrylonitrile copolymer having carboxyl group and/or (e2) a reaction product of (e1) a butadiene-acrylonitrile copolymer having carboxyl group with an epoxy resin, wherein the content of component (e1) in the entire epoxy resin composition is 0.01 to 1% by weight. The composition exhibits excellent releasing property in molding, continuous molding property and resistance to solder reflow.Type: GrantFiled: September 25, 2009Date of Patent: July 12, 2011Assignee: Sumitomo Bakelite Company, Ltd.Inventor: Yasuhiro Mizuno
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Publication number: 20110163460Abstract: A thermally conductive silicone composition comprises (A) an organopolysiloxane having a viscosity equal to or greater than 100 mPa·s at 25° C.; (B) aluminum powder having an average size of particles ranging from 0.1 to 100 ?m; (C) zinc oxide powder having an average size of particles ranging from 0.05 to 50 ?m; (D) (i) an organopolysiloxane containing univalent hydrocarbon groups which have unsaturated aliphatic bonds, (ii) an organopolysiloxane containing hydrocarbon groups which are free of unsaturated aliphatic bonds, or a mixture of constituents (i) and (ii); and (E) a silane compound or a product of partial hydrolyzation and condensation of said silane compound. The composition has high conductivity and excellent handleability.Type: ApplicationFiled: August 20, 2009Publication date: July 7, 2011Applicant: DOW CORNING TORAY CO., LTD.Inventors: Tomoko Kato, Kazumi Nakayoshi
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Patent number: 7968187Abstract: A composite is provided, comprising a substrate and a film on the substrate. The film has an RMS surface roughness of 25 nm to 500 nm, a film coverage of 25% to 60%, a surface energy of less than 70 dyne/cm; and a durability of 10 to 5000 microNewtons. Depending on the particular environment in which the film is to be used, a durability of 10 to 500 microNewtons may be preferred. A film thickness 3 to 100 times the RMS surface roughness of the film is preferred.Type: GrantFiled: September 12, 2008Date of Patent: June 28, 2011Assignee: Integrated Surface TechnologiesInventors: Jeff Chinn, W. Robert Ashurst, Adam Anderson
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Patent number: 7968977Abstract: The present invention relates to a dicing film having an adhesive film for dicing a wafer and a die adhesive film, which are used for manufacturing a semiconductor package, and a method of manufacturing a semiconductor package using the same. More particularly, the present invention relates to a dicing film wherein a shrinkage release film is inserted between an adhesive film for dicing a wafer and a die adhesive film so that the die adhesive film and a die can be easily separated from the adhesive film for dicing a wafer when picking up a semiconductor die, and a method of manufacturing a semiconductor package using the same.Type: GrantFiled: December 10, 2004Date of Patent: June 28, 2011Assignee: LG Innotek Co., Ltd.Inventors: Joon Mo Seo, Hyuk Soo Moon, Cheol Jong Han, Jong Geol Lee, Kyung Tae Wi
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Publication number: 20110147955Abstract: The present invention provides a silicone resin composition comprising (A) an organopolysiloxane having at least two alkenyl groups, (B) an organohydrogenpolysiloxane having at least two hydrogen atoms each bonded to a silicon atom, (C) a catalyst comprising a platinum group metal, (D) fine silicone particles, and (E) a (meth)acrylate compound. The present silicone resin composition cures in a short time to form a cured product having excellent adhesion strength with solder resists and copper substrates.Type: ApplicationFiled: December 20, 2010Publication date: June 23, 2011Inventor: Tsutomu KASHIWAGI
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Patent number: 7964954Abstract: An integrated circuit having a semiconductor sensor device including a sensor housing partly filled with a rubber-elastic composition is disclosed. One embodiment has a sensor chip with sensor region arranged in the interior of the housing. The sensor housing has an opening to the surroundings which is arranged in such a way that the sensor region faces the opening. The sensor chip is embedded into a rubber-elastic composition on all sides in the interior of the housing. The sensor housing has a sandwich-like framework having three regions arranged one above another, including an intermediate region with the rubber-elastic composition.Type: GrantFiled: March 19, 2007Date of Patent: June 21, 2011Assignee: Infineon Technologies AGInventor: Jean Schmitt
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Publication number: 20110089580Abstract: A semiconductor device comprising curable polyorganosiloxane composites is provided where the composites contain at least 0.1 wt % of the 4th and/or 13th group elements of the periodic table. The cured polyorganosiloxane composites may be catalyst-free, have increased stability, and can be used as encapsulation resin at a temperature far lower than 300° C., have excellent light transmission properties (colorless transparency) in a wavelength region of from ultraviolet light to visible light, light resistance, heat resistance, resistance to moist heat and UV resistance, and has excellent adhesiveness toward metal, ceramics, and plastic surfaces over a long period of time.Type: ApplicationFiled: October 16, 2009Publication date: April 21, 2011Inventors: Craig J. Hawker, Hunaid Nulwala, Anika A. Odukale, Jeffrey A. Gerbec, Kenichi TAKIZAWA
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Publication number: 20110079816Abstract: The present invention relates to a sheet-shaped optical-semiconductor encapsulating material including: a first resin layer containing inorganic particles; and a second resin layer containing a phosphor and being superposed directly or indirectly on the first resin layer, and relates to a kit for optical-semiconductor encapsulation including: a sheet-shaped molded body including a first resin layer containing inorganic particles; and a sheet-shaped molded body including a second resin layer containing a phosphor.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Applicant: NITTO DENKO CORPORATIONInventors: Kazuya FUJIOKA, Hirokazu MATSUDA, Koji AKAZAWA
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Patent number: 7911047Abstract: A semiconductor device includes: a package substrate that includes a recessed portion, with electrode pads that are electrically connected to electrodes of the semiconductor chip being formed inside the recessed portion; a semiconductor chip that is housed in the recessed portion; terminal-use wires that are formed on the surface of the package substrate and are electrically connected to the electrode pads; external connection pads that are formed on a back surface of the package substrate and are electrically connected to the electrode pads; a sealing resin portion that includes a grinded surface that is parallel to the surface of the package substrate, and seals at least the semiconductor chip by a sealing resin; rewiring pads that are formed on the grinded surface; and connecting wires that are formed on the grinded surface and electrically interconnect the terminal-use wires and the rewiring pads.Type: GrantFiled: April 21, 2008Date of Patent: March 22, 2011Assignee: Oki Semiconductor Co., Ltd.Inventors: Hidenori Hasegawa, Norio Takahashi
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Patent number: 7883986Abstract: This invention includes methods of forming trench isolation. In one implementation, isolation trenches are provided within a semiconductor substrate. A liquid is deposited and solidified within the isolation trenches to form a solidified dielectric within the isolation trenches. The dielectric comprises carbon and silicon, and can be considered as having an elevationally outer portion and an elevationally inner portion within the isolation trenches. At least one of carbon removal from and/or oxidation of the outer portion of the solidified dielectric occurs. After such, the dielectric outer portion is etched selective to and effective to expose the dielectric inner portion. After the etching, dielectric material is deposited over the dielectric inner portion to within the isolation trenches.Type: GrantFiled: October 1, 2009Date of Patent: February 8, 2011Assignee: Micron Technology, Inc.Inventor: Li Li
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Patent number: 7838424Abstract: An improved Wafer-Level Chip-Scale Packaging (WLCSP) process is described that includes forming a plurality of conductive pillars on a first surface of a semiconductor wafer. One or more grooves are dry etched into the first surface of the semiconductor wafer, where the grooves define at least one boundary between each of a plurality of die within the semiconductor wafer. A layer of encapsulating material is deposited over the first surface. A recess is then cut in each of the grooves through the encapsulating material, where the cutting leaves a piece of semiconductor material on the second surface of the semiconductor wafer. The second surface is then ground to remove the piece of semiconductor material, where the removal of this material separates the plurality of die.Type: GrantFiled: July 3, 2007Date of Patent: November 23, 2010Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tjandra Winata Karta, Steven Hsu, Chien-Hsiun Lee, Gene Wu, Jimmy Liang
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Publication number: 20100289055Abstract: In an embodiment, the invention provides a SLCC package comprising first and second electrically conductive terminals, a polysiloxane and glass fiber structural body, a light source and a polysiloxane encapsulant. The first and second electrically conductive terminals are attached to the polysiloxane and glass fiber structural body. The light source is electrically connected to the first and second electrically conductive terminals. The polysiloxane and glass fiber structural body has a cavity that contains at least a portion of the polysiloxane encapsulant.Type: ApplicationFiled: May 14, 2009Publication date: November 18, 2010Applicant: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.Inventors: Kheng Leng Tan, Keat Chuan Ng, Kee Hon Lee
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Patent number: 7794127Abstract: A light emitting diode (10) includes an LED chip (14) and an encapsulant (16) enclosing the LED chip. The LED chip has a light emitting surface (141), and the encapsulant has a light output surface (161) over the light emitting surface. The light output surface defines a plurality of annular, concentric grooves (163). Each groove is cooperatively enclosed by a first groove wall (165) and a second groove wall (166). The first groove wall is a portion of a circumferential side surface of a cone, and a conical tip of the cone is located on the light emitting surface of the LED chip.Type: GrantFiled: April 15, 2008Date of Patent: September 14, 2010Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.Inventors: Chung-Yuan Huang, Jer-Haur Kuo, Ye-Fei Yu, Lin Yang, Xin-Xiang Zha
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Publication number: 20100225010Abstract: The present invention relates to a composition for a thermosetting silicone resin, the composition including: (A) an organohydrogenpolysiloxane; (B) an alkenyl group-containing epoxy compound; (C) an alkenyl group-containing cyclic siloxane; and (D) a hydrosilylation catalyst, a thermosetting silicone resin composition obtained by reacting the composition and a production method thereof, a photosemiconductor element-encapsulating material including the thermosetting silicone resin composition, and a photosemiconductor device including a photosemiconductor element encapsulated with the resin composition or the photosemiconductor element-encapsulating material.Type: ApplicationFiled: March 4, 2010Publication date: September 9, 2010Applicant: NITTO DENKO CORPORATIONInventor: Hiroyuki KATAYAMA
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Patent number: 7786606Abstract: A resin-sealed semiconductor device includes a metal frame, an electronic substrate, an adhesive agent, a molded resin, and a bonding agent. The electronic substrate includes a first surface having a circuit element wiring part, a second surface facing the metal frame, and a side surface arranged approximately perpendicularly to the first surface and the second surface. The adhesive agent is disposed between the metal frame and the second surface to cover the second surface and a portion of the side surface adjacent to the second surface. The molded resin covers the metal frame and the electronic substrate, and holds the other portion of the side surface adjacent to the first surface. The bonding agent is disposed between the circuit element wiring part and the molded resin so that the molded resin holds the circuit element wiring part through the bonding agent.Type: GrantFiled: November 27, 2007Date of Patent: August 31, 2010Assignee: Denso CorporationInventors: Mitsuyasu Enomoto, Haruo Kawakita, Takashi Ohno
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Publication number: 20100213623Abstract: A method of manufacturing a semiconductor device sealed in a cured silicone body by placing an unsealed semiconductor device into a mold and subjecting a curable silicone composition which is fed into the space between the mold and the unsealed semiconductor device to compression molding, the method being characterized by the fact that the aforementioned curable silicone composition comprises at least the following components: (A) an epoxy-containing silicone and (B) a curing agent for an epoxy resin; can reduce warping of the semiconductor chips and circuit board, and improve surface resistance to scratching.Type: ApplicationFiled: February 14, 2007Publication date: August 26, 2010Inventors: Minoru Isshiki, Tomoko Kato, Yoshitsugu Morita, Hiroshi Ueki