Patents Examined by Seavosh Nikmanesh
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Patent number: 8704260Abstract: A light-emitting device having improved light conversion efficiency, a light-emitting system including the same, and fabricating methods of the light-emitting device and the light-emitting system, are provided. The light-emitting device includes one or more light-emitting elements arranged on one surface of a substrate, and a phosphor layer disposed inside or on the substrate to a predetermined thickness and partially wavelength-converts the light emitted from the one or more light-emitting elements into light having different wavelength, wherein a light conversion efficiency of the phosphor layer is maximized when the phosphor layer has the predetermined thickness.Type: GrantFiled: November 13, 2012Date of Patent: April 22, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Yu-Sik Kim
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Patent number: 8642358Abstract: A method for fabricating a semiconductor device includes forming a plurality of layers which are stacked as a bottom layer, an MTJ layer, and a top layer, patterning the top layer and the MTJ layer using an etch mask pattern to form a top layer pattern and an MTJ pattern, forming a carbon spacer on the sidewalls of the MTJ pattern and the top layer pattern to protect the MTJ pattern and the top layer pattern, and patterning the bottom layer using the carbon spacer and the etch mask pattern as an etch mask to form a bottom layer pattern.Type: GrantFiled: December 8, 2011Date of Patent: February 4, 2014Assignees: Hynix Semiconductor Inc., Grandis, Inc.Inventor: Min Suk Lee
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Patent number: 8629002Abstract: To provide a technology capable of preventing the deterioration of the reliability of semiconductor devices caused by the gasification of a part of components of the material constituting a wiring substrate. A wiring layer constituting a circuit pattern is formed over each of the front and rear surfaces of a glass epoxy substrate, and after the formation of a solder resist covering the wiring layer while exposing a part of the wiring layer and prior to a heat treatment (first heat treatment) at 100° C. to 150° C. for dehumidification, a heat treatment (second heat treatment) at 160° C. to 230° C. for gasifying and discharging an organic solvent contained in the material constituting a wiring substrate is performed for the wiring substrate.Type: GrantFiled: October 26, 2012Date of Patent: January 14, 2014Assignee: Renesas Electronics CorporationInventors: Soshi Kuroda, Masatoshi Yasunaga, Hironori Matsushima, Kenya Hironaga
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Patent number: 8546190Abstract: A process for fabricating a reconstituted wafer that includes chips having connection pads on a front side of the chip, this process including positioning of the chips on an adhesive support, front side down on the support; deposition of a resin on the support in order to encapsulate the chips; and curing of the resin. Before deposition of the resin, the process includes bonding, onto the chips, a support wafer for positioning the chips, this support wafer having parts placed on one side of the chips.Type: GrantFiled: March 9, 2010Date of Patent: October 1, 2013Assignee: 3D PlusInventor: Christian Val
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Patent number: 8492293Abstract: Methods for selectively placing carbon nanotubes on a substrate surface by using functionalized carbon nanotubes having an organic compound that is covalently bonded to such carbon nanotubes. The organic compound comprises at least two functional groups, the first of which is capable of forming covalent bonds with carbon nanotubes, and the second of which is capable of selectively bonding metal oxides. Such functionalized carbon nanotubes are contacted with a substrate surface that has at least one portion containing a metal oxide. The second functional group of the organic compound selectively bonds to the metal oxide, so as to selectively place the functionalized carbon nanotubes on the at least one portion of the substrate surface that comprises the metal oxide.Type: GrantFiled: August 27, 2012Date of Patent: July 23, 2013Assignee: International Business Machines CorporationInventors: Ali Afzali-Ardakani, Hongsik Park, George S. Tulevski
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Patent number: 8138097Abstract: Methods for fabricating a device and related device structures are provided herein. According to one embodiment, a method for fabricating a device includes the acts of producing a substrate; forming a structure on the substrate having a lower dielectric layer, a metal layer, an upper dielectric layer, a planarizing layer, and a layer of photoresist material; developing the photoresist material according to a mask pattern; etching the planarizing layer and the upper dielectric layer according to the mask pattern; removing the photoresist material and the planarizing layer upon etching of the planarizing layer and the upper dielectric layer; applying a selective metal growth or metal/organic film to respective exposed portions of the metal layer following etching of the upper dielectric layer, thereby obtaining an inverted mask pattern; and etching at least the metal layer and the lower dielectric layer according to the inverted mask pattern.Type: GrantFiled: September 20, 2010Date of Patent: March 20, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Atsunobu Isobayashi, Masao Ishikawa
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Patent number: 8058163Abstract: A method and device for enhanced reliability for semiconductor devices using dielectric encasement is disclosed. The method and device are directed to improving the reliability of the solder joint that connects the integrated circuit (IC) chip to the substrate. The method comprises applying a layer of a photoimageable permanent dielectric material to a top surface of the semiconductor device, and patterning the layer of the photoimageable permanent dielectric material to have an opening over each feature. The method further comprises dispensing or stencil printing fluxing material into the permanent dielectric material openings, and applying solder, which contains no flux, to a top surface of the fluxing material. In one or more embodiments, the method further comprises heating the semiconductor device to a reflow temperature appropriate for the reflow of the solder, thereby causing the solder to conform to sidewalls of the permanent dielectric material openings to form a protective seal.Type: GrantFiled: August 6, 2009Date of Patent: November 15, 2011Assignee: Flipchip International, LLCInventors: John J. H. Reche, Michael E. Johnson, Guy F. Burgess, Anthony P. Curtis, Stuart Lichtenthal