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Akira Nagai, Ibaraki JP

Akira Nagai, Ibaraki JP

Patent application numberDescriptionPublished
20090012233Epoxy Resin Molding Material for Sealing and Electronic Component Device - The present invention relates to an epoxy resin molding material for sealing, comprising an epoxy resin (A), a curing agent (B) and an acrylic compound (C), wherein the acrylic compound (C) is an acrylic compound obtained by polymerizing compounds represented respectively by the following general formulae (I) and (II) in a (I)/(II) mass ratio of from 0 to 10. The present invention provides an epoxy resin molding material for sealing, which is excellent in fluidity and reflow soldering resistance without reducing curability, as well as an electronic component device comprising an element sealed therewith.01-08-2009
20090247670Epoxy Resin Molding Material for Sealing, and Electronic Component Device - The invention relates to an epoxy resin molding material for sealing, comprising an epoxy resin (A), a curing agent (B), and a colorant resin mixture (C) wherein a resin (C1) and a colorant (D) having an electric resistivity of 1×1010-01-2009
20090326100EPOXY RESIN MOLDING MATERIAL FOR SEALING AND ELECTRONIC COMPONENT DEVICE - 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.12-31-2009
20100003771PRODUCTION METHOD OF SEMICONDUCTOR DEVICE AND BONDING FILM - To provide a method of manufacturing semiconductor devices, the method being capable of efficiently obtaining a singulated semiconductor chip upon which an adhesive is adhered and also capable of excellently bonding a semiconductor chip to a wiring substrate, and provide an adhesive film. A layered product 01-07-2010
20100140638THERMOSETTING RESIN COMPOSITION FOR LIGHT REFLECTION, METHOD FOR MANUFACTURING THE RESIN COMPOSITION AND OPTICAL SEMICONDUCTOR ELEMENT MOUNTING SUBSTRATE AND OPTICAL SEMICONDUCTOR DEVICE USING THE RESIN COMPOSITION - This invention provides a heat curable resin composition for light reflection, which, after curing, can realize high reflectance in a range of visible light to near ultraviolet light, has excellent heat deterioration resistance and tablet moldability, and is less likely to cause burrs during transfer molding, and a process for producing the resin composition, and an optical semiconductor element mounting substrate and an optical semiconductor device using the resin composition. The heat curable resin composition for light reflection comprises a heat curable component and a white pigment and is characterized in that the length of burrs caused upon transfer molding under conditions of molding temperature 100° C. to 200° C., molding pressure not more than 20 MPa, and molding time 60 to 120 sec is not more than 5 mm and the light reflectance after heat curing at a wavelength of 350 nm to 800 nm is not less than 80%. The resin composition can be used for constructing the optical semiconductor element mounting substrate and the optical semiconductor device.06-10-2010
20110121447ADHESIVE FOR CONNECTION OF CIRCUIT MEMBER AND SEMICONDUCTOR DEVICE USING THE SAME - An adhesive for connecting circuit members, which is interposed between a semiconductor chip having protruding connecting terminals and a board having wiring patterns formed thereon for electrically connecting the connecting terminals and the wiring patterns facing each other and bonding the semiconductor chip and the board by applying pressure/heat, containing a resin composition containing a thermoplastic resin, a crosslinkable resin and a hardening agent for forming a crosslink structure of the crosslinkable resin; and composite oxide particles dispersed in the resin composition.05-26-2011
20110127667ADHESIVE FOR CONNECTION OF CIRCUIT MEMBER AND SEMICONDUCTOR DEVICE USING THE SAME - An adhesive for connecting circuit members, which is interposed between a semiconductor chip having protruding connecting terminals and a board having wiring patterns formed thereon for electrically connecting the connecting terminals and the wiring patterns facing each other and bonding the semiconductor chip and the board by applying pressure/heat, containing a resin composition containing a thermoplastic resin, a crosslinkable resin and a hardening agent for forming a crosslink structure of the crosslinkable resin; and composite oxide particles dispersed in the resin composition.06-02-2011
20110133346ADHESIVE FOR CONNECTION OF CIRCUIT MEMBER AND SEMICONDUCTOR DEVICE USING THE SAME - An adhesive for connecting circuit members, which is interposed between a semiconductor chip having protruding connecting terminals and a board having wiring patterns formed thereon for electrically connecting the connecting terminals and the wiring patterns facing each other and bonding the semiconductor chip and the board by applying pressure/heat, containing a resin composition containing a thermoplastic resin, a crosslinkable resin and a hardening agent for forming a crosslink structure of the crosslinkable resin; and composite oxide particles dispersed in the resin composition.06-09-2011

Patent applications by Akira Nagai, Ibaraki JP