Patents by Inventor Hideki Akiba

Hideki Akiba has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9129976
    Abstract: A method of manufacturing a semiconductor apparatus includes: a charging step of charging the thermosetting resin in excess of an amount necessary for forming the sealing layer to fill the inside of the first cavity with the thermosetting resin and discharging an excess of the thermosetting resin from the first cavity; an integrating step of integrating the substrate on which the semiconductor device is mounted, the substrate on which no semiconductor device is mounted and the sealing layer by molding the thermosetting resin while pressurizing the upper mold and the lower mold; and a dicing step of extracting the integrated substrates from the molding mold and dicing the integrated substrates to obtain an individual semiconductor apparatus.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: September 8, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hideki Akiba, Toshio Shiobara, Susumu Sekiguchi
  • Patent number: 9129912
    Abstract: The invention provides an encapsulant for collectively encapsulating a semiconductor devices mounting surface of a substrate having semiconductor devices mounting thereon or a semiconductor devices forming surface of a wafer having semiconductor devices forming thereon, and the encapsulant comprises a supporting substrate having a difference of a linear expansion coefficient from that of the substrate or the wafer of 5 ppm or less and a thermosetting resin layer being laminated, wherein the thermosetting resin layer has a shape having a height difference to a thickness direction.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: September 8, 2015
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hideki Akiba, Toshio Shiobara, Susumu Sekiguchi, Tomoaki Nakamura
  • Publication number: 20150235871
    Abstract: A vacuum laminating apparatus for use in manufacturing a semiconductor apparatus, including a frame mechanism to surround at least a side face of a support-base attached encapsulant including a thermosetting resin layer stacked as an encapsulant on a support base, the frame mechanism including a holding unit to hold a substrate on which semiconductor devices are mounted or a wafer on which semiconductor devices are formed with the substrate or the wafer facing and spaced apart from the thermosetting resin layer of the support-base attached encapsulant, the vacuum laminating apparatus capable of vacuum laminating the support-base attached encapsulant surrounded by the frame mechanism together with the substrate or wafer. The vacuum laminating apparatus inhibit the occurrence of voids in resin layer and warp of a substrate or wafer and manufacture a semiconductor apparatus having a precisely formed resin layer, even when the substrate or wafer used has a large area.
    Type: Application
    Filed: February 3, 2015
    Publication date: August 20, 2015
    Inventors: Hideki AKIBA, Tomoaki NAKAMURA, Toshio SHIOBARA
  • Publication number: 20150197885
    Abstract: The present invention provides a surface-modified glass fiber film having its surface modified by a silicon-containing compound, and a value of a common flexural rigidity of the surface-modified glass fiber film as measured by the method described in JIS R 3420 is in the range of 3 to 100 times as compared to a value of the common flexural rigidity of an unmodified glass fiber film. There can be provided a surface-modified glass fiber film having a high strength, a high heat resistance, a good dimensional stability, a good self-supporting property, a low average linear expansion coefficient, a high storage rigidity at high temperature, and an excellent surface uniformity.
    Type: Application
    Filed: December 9, 2014
    Publication date: July 16, 2015
    Inventors: Saiko AKAHANE, Yoshihira HAMAMOTO, Hideki AKIBA, Shinsuke YAMAGUCHI, Toshio SHIOBARA
  • Publication number: 20150028497
    Abstract: The present invention provides an encapsulant with a base for use in semiconductor encapsulation, for collectively encapsulating a device mounting surface of a substrate on which semiconductor devices are mounted, or a device forming surface of a wafer on which semiconductor devices are formed, the encapsulant comprising the base, an encapsulating resin layer composed of an uncured or semi-cured thermosetting resin formed on one surface of the base, and a surface resin layer formed on the other surface of the base. The encapsulant enables a semiconductor apparatus having a good appearance and laser marking property to be manufactured.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 29, 2015
    Inventors: Tomoaki NAKAMURA, Toshio SHIOBARA, Hideki AKIBA, Susumu SEKIGUCHI
  • Patent number: 8872358
    Abstract: Described herein is a sealant laminated composite for collectively sealing a semiconductor device's mounting surface of a substrate on which semiconductor devices are mounted or a semiconductor device's forming surface of a wafer on which semiconductor devices are formed. The composite can include a support wafer and an uncured resin layer constituted of an uncured thermosetting resin formed on one side of the support wafer. In certain aspects, the sealant laminated composite is very versatile, even when a large diameter or thin substrate or wafer is sealed.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: October 28, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Toshio Shiobara, Hideki Akiba, Susumu Sekiguchi
  • Publication number: 20140264956
    Abstract: Disclosed is a sealant laminated composite for collectively sealing a semiconductor devices mounting surface of a substrate on which semiconductor devices may be mounted or a semiconductor devices forming surface of a wafer on which semiconductor devices may be formed, including a support wafer that may be composed of silicon and an uncured resin layer that may be constituted of an uncured thermosetting resin formed on one side of the support wafer.
    Type: Application
    Filed: May 27, 2014
    Publication date: September 18, 2014
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Toshio SHIOBARA, Hideki AKIBA, Susumu SEKIGUCHI
  • Publication number: 20140138857
    Abstract: The invention provides an encapsulant equipped with the supporting substrate which is an encapsulant for collectively encapsulating a semiconductor devices mounting surface of a substrate having semiconductor devices mounting thereon or a semiconductor devices forming surface of a wafer having semiconductor devices forming thereon, and the encapsulant equipped with the supporting substrate comprises a supporting substrate having a difference of a linear expansion coefficient from that of the substrate or the wafer of 5 ppm or less and a thermosetting resin layer being laminated, wherein the thermosetting resin layer has a shape having a height difference to a thickness direction.
    Type: Application
    Filed: October 29, 2013
    Publication date: May 22, 2014
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hideki AKIBA, Toshio SHIOBARA, Susumu SEKIGUCHI, Tomoaki NAKAMURA
  • Publication number: 20140138856
    Abstract: A fiber-containing resin substrate for collectively encapsulating a semiconductor-device-mounting surface of a substrate on which semiconductor devices are mounted or a semiconductor-device-forming surface of a wafer on which a semiconductor device is formed, including a resin-impregnated fibrous base material which is obtained by impregnating a fibrous base material with a thermosetting resin and semi-curing or curing the thermosetting resin and has a linear expansion coefficient (ppm/° C.) in an X-Y direction of less than 3 ppm, and an uncured resin layer formed of an uncured thermosetting resin on one side of the resin-impregnated fibrous base material.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 22, 2014
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Susumu SEKIGUCHI, Toshio SHIOBARA, Hideki AKIBA, Tomoaki NAKAMURA
  • Publication number: 20140091483
    Abstract: A method of manufacturing a semiconductor apparatus includes: a charging step of charging the thermosetting resin in excess of an amount necessary for forming the sealing layer to fill the inside of the first cavity with the thermosetting resin and discharging an excess of the thermosetting resin from the first cavity; an integrating step of integrating the substrate on which the semiconductor device is mounted, the substrate on which no semiconductor device is mounted and the sealing layer by molding the thermosetting resin while pressurizing the upper mold and the lower mold; and a dicing step of extracting the integrated substrates from the molding mold and dicing the integrated substrates to obtain an individual semiconductor apparatus.
    Type: Application
    Filed: August 12, 2013
    Publication date: April 3, 2014
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hideki AKIBA, Toshio SHIOBARA, Susumu SEKIGUCHI
  • Publication number: 20130241087
    Abstract: A method for producing a semiconductor apparatus with a mold including an upper mold half and a lower mold half, includes: an arranging step of arranging on one of the upper mold half and the lower mold half of the mold a substrate on which a semiconductor device is mounted, the mold being kept at a room temperature or heated to a temperature up to 200° C., and arranging on the other of the upper mold half and the lower mold half a substrate on which no semiconductor device is mounted; an integrating step of integrating the substrate on which the semiconductor device is mounted and the substrate on which no semiconductor device is mounted by molding a thermosetting resin with the mold on which the substrates are arranged; and a step of dicing the integrated substrates taken out of the mold to obtain an individualized semiconductor apparatus.
    Type: Application
    Filed: February 25, 2013
    Publication date: September 19, 2013
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Toshio SHIOBARA, Susumu SEKIGUCHI, Hideki AKIBA
  • Patent number: 8034893
    Abstract: A resin solution composition comprising (A) a polyamic acid resin, (B) an alkoxysilyl-containing polyamic acid resin, and (C) an organic solvent cures into a product that has good substrate adhesion and heat resistance and is effective in forming a protective film on a semiconductor device prior to encapsulation with epoxy resin molding material (molding compound) in that it overcomes the chip cracking and thermal deterioration problems of semiconductor packages by thermal stress.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: October 11, 2011
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideki Akiba, Toshio Shiobara
  • Patent number: 7714080
    Abstract: A primer composition comprising an alkoxysilyl-containing polyamide-imide resin, an epoxy resin, a curing promoter, and an organic solvent forms a cured coating having heat resistance and water resistance through brief low-temperature heating and helps bonding of epoxy resin molding compound to semiconductor members.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: May 11, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideki Akiba, Toshio Shiobara
  • Patent number: 7683152
    Abstract: A partial block polyimide-polysiloxane copolymer is provided comprising repeat unit structures having structural formulae (1) and (2) wherein X is an aromatic or aliphatic ring-containing tetravalent organic radical, Y1 is a diamine residue, Y2 is a diaminosiloxane residue, Y1 and Y2 are contained in the copolymer in amounts of 99-20 mol % and 1-80 mol %, respectively, L and m each are an integer of 2-50. The copolymer has good adhesion to substrates, moisture-proof reliability and a low modulus of elasticity.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: March 23, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideki Akiba, Nobuhiro Ichiroku, Toshio Shiobara
  • Publication number: 20070066796
    Abstract: A resin solution composition comprising (A) a polyamic acid resin, (B) an alkoxysilyl-containing polyamic acid resin, and (C) an organic solvent cures into a product that has good substrate adhesion and heat resistance and is effective in forming a protective film on a semiconductor device prior to encapsulation with epoxy resin molding material (molding compound) in that it overcomes the chip cracking and thermal deterioration problems of semiconductor packages by thermal stress.
    Type: Application
    Filed: June 27, 2006
    Publication date: March 22, 2007
    Inventors: Hideki Akiba, Toshio Shiobara
  • Patent number: 7147920
    Abstract: In a wafer dicing/die bonding sheet comprising a backing member, an adhesive layer, and a protective member, the adhesive layer is made of an adhesive composition comprising a phenolic hydroxyl radical-bearing polyimide resin, an epoxy resin, and an epoxy resin curing agent, the ratio of the total weight of the epoxy resin and the epoxy resin curing agent to the weight of the polyimide resin being from 0.1:1 to 3:1. Due to heat resistance, improved adhesive properties and a low modulus of elasticity, the wafer dicing/die bonding sheet is effective for reducing the warpage of a chip after die bonding.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: December 12, 2006
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Toshio Shiobara, Nobuhiro Ichiroku, Hideki Akiba, Masachika Yoshino
  • Publication number: 20060199923
    Abstract: A primer composition comprising an alkoxysilyl-containing polyamide-imide resin, an epoxy resin, a curing promoter, and an organic solvent forms a cured coating having heat resistance and water resistance through brief low-temperature heating and helps bonding of epoxy resin molding compound to semiconductor members.
    Type: Application
    Filed: February 22, 2006
    Publication date: September 7, 2006
    Inventors: Hideki Akiba, Toshio Shiobara
  • Patent number: 7026382
    Abstract: A conductive resin composition primarily comprising (A) 100 parts by weight of a thermosetting or thermoplastic resin, (B) 5–2,000 parts by weight of a conductive filler, and (C) 0.1–300 parts by weight of organic resin or rubber particulates has a low volume resistivity and stability thereof, and is effectively adherent. When applied to semiconductor packages, the composition can prevent the semiconductor chips from warpage or cracking due to thermal stresses in the semiconductor packages, ensuring the fabrication of semiconductor devices with high reliability.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: April 11, 2006
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideki Akiba, Masachika Yoshino, Nobuhiro Ichiroku, Toshio Shiobara
  • Publication number: 20050261456
    Abstract: A partial block polyimide-polysiloxane copolymer is provided comprising repeat unit structures having structural formulae (1) and (2) wherein X is an aromatic or aliphatic ring-containing tetravalent organic radical, Y1 is a diamine residue, Y2 is a diaminosiloxane residue, Y1 and Y2 are contained in the copolymer in amounts of 99-20 mol % and 1-80 mol %, respectively, L and m each are an integer of 2-50. The copolymer has good adhesion to substrates, moisture-proof reliability and a low modulus of elasticity.
    Type: Application
    Filed: May 18, 2005
    Publication date: November 24, 2005
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideki Akiba, Nobuhiro Ichiroku, Toshio Shiobara
  • Patent number: 6949619
    Abstract: A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comprising the polyimide resin, an epoxy resin and a curing agent are suited for use as varnish, adhesive and adhesive film for which adhesion and heat resistance are required.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: September 27, 2005
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Nobuhiro Ichiroku, Masachika Yoshino, Hideki Akiba, Toshio Shiobara