Patents by Inventor Akio Rokugawa

Akio Rokugawa 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).

  • Publication number: 20140150258
    Abstract: A wiring substrate includes a core portion and a wiring portion. The core portion includes a wiring layer and an organic resin core substrate. The wiring portion includes wiring layers and organic resin insulative layers. The wiring layer of the core portion is formed in a state in which the organic resin core substrate is supported by a support body. The wiring layers of the wiring portion are formed in a state in which the organic resin core substrate is adhered to a support body and the wiring layer of the core portion faces toward the support body.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 5, 2014
    Inventors: Noriyoshi SHIMIZU, Akio ROKUGAWA, Toshinori KOYAMA, Wataru KANEDA
  • Publication number: 20130328211
    Abstract: A semiconductor device includes a semiconductor chip, a core substrate, first and second insulating layers, and first and second wiring layers. Adhesiveness of the insulating layer to a metal is higher than adhesiveness of the core substrate to the metal. A through hole extends through the insulating layer in the thickness direction. A through via covers the hole wall surface of the through hole, extends in the thickness direction traversing the insulating layer, and electrically connects the first and second wiring layers.
    Type: Application
    Filed: June 5, 2013
    Publication date: December 12, 2013
    Inventors: Noriyoshi SHIMIZU, Akio ROKUGAWA, Akihiko TATEIWA, Masato TANAKA
  • Patent number: 8581421
    Abstract: According to one embodiment, there is provided a semiconductor package manufacturing method utilizing a support body in which a first layer is stacked on a second layer, the method including: a first step of forming an opening in the first layer to expose the second layer therethrough; a second step of arranging a semiconductor chip on the second layer through the opening; a third step of forming a resin portion on the first layer to cover the semiconductor chip; and a fourth step of forming a wiring structure on the resin portion so as to be electrically connected to the semiconductor chip.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: November 12, 2013
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa, Hirokazu Yoshino
  • Publication number: 20130249075
    Abstract: A semiconductor package includes: a metal plate including a first surface, a second surface and a side surface; a semiconductor chip on the first surface of the metal plate, the semiconductor chip comprising a first surface, a second surface and a side surface; a first insulating layer that covers the second surface of the metal plate; a second insulating layer that covers the first surface of the metal plate, and the first surface and the side surface of the semiconductor chip; and a wiring structure on the second insulating layer and including: a wiring layer electrically connected to the semiconductor chip; and an interlayer insulating layer on the wiring layer. A thickness of the metal plate is thinner than that of the semiconductor chip, and the side surface of the metal plate is covered by the first insulating layer or the second insulating layer.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 26, 2013
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Akihiko Tateiwa, Masato Tanaka, Akio Rokugawa
  • Publication number: 20130119562
    Abstract: A semiconductor package includes a semiconductor chip, a first insulating layer formed to cover the semiconductor chip, a wiring structure formed on the first insulating layer. The wiring structure has an alternately layered configuration including wiring layers electrically connected to the semiconductor chip and interlayer insulating layers each located between one of the wiring layers and another. The interlayer insulating layers include an outermost interlayer insulating layer located farthest from a surface of the first insulating layer. A groove formed in the outermost interlayer insulating layer passes through the outermost interlayer insulating layer in a thickness direction.
    Type: Application
    Filed: November 2, 2012
    Publication date: May 16, 2013
    Applicant: Shinko Electric Industries Co., LTD.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa, Osamu Inoue
  • Patent number: 8399295
    Abstract: A support substrate includes a first surface and a second surface located above the level of the first surface. Chips are mounted on the first surface. A first insulating film is disposed over each chip. First conductive plugs are connected to the chip extending through each first insulating film. Filler material made of resin filling a space between chips. Wirings are disposed over the first insulating film and the filler material for interconnecting different chips. The second surface, an upper surface of the first insulating film and an upper surface of the filler material are located at the same level.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: March 19, 2013
    Assignees: Fujitsu Limited, Shinko Electric Industries Co., Ltd.
    Inventors: Sadahiro Kishii, Tsuyoshi Kanki, Yoshihiro Nakata, Yasushi Kobayashi, Masato Tanaka, Akio Rokugawa
  • Patent number: 8378492
    Abstract: There is provided a method of manufacturing a semiconductor package. The method includes: (a) providing a semiconductor chip having a first surface and a second surface opposite to the first surface, wherein a pad is formed on the first surface; (b) disposing the semiconductor chip on a supporting substrate such that the first surface is directed upward; (c) forming an encapsulation resin layer on the supporting substrate so as to cover the semiconductor chip; and (d) polishing the encapsulation resin layer to expose a top surface of the pad.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: February 19, 2013
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa
  • Patent number: 8288875
    Abstract: A board on which a wiring having an electrode pad is formed is prepared. A resist film is formed on the board in order to cover the wiring and then the resist film is left on the electrode pad through patterning. An inorganic insulating film is formed on the board in order to cover the wiring and then the resist film is removed, thereby removing the inorganic insulating film provided on the resist film to leave the inorganic insulating film between the wirings. A solder resist layer is formed on the board in order to cover the wiring and then the electrode pad is exposed.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: October 16, 2012
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa
  • Publication number: 20120153457
    Abstract: According to one embodiment, there is provided a semiconductor package manufacturing method utilizing a support body in which a first layer is stacked on a second layer, the method including: a first step of forming an opening in the first layer to expose the second layer therethrough; a second step of arranging a semiconductor chip on the second layer through the opening; a third step of forming a resin portion on the first layer to cover the semiconductor chip; and a fourth step of forming a wiring structure on the resin portion so as to be electrically connected to the semiconductor chip.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 21, 2012
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa, Hirokazu Yoshino
  • Publication number: 20110187002
    Abstract: A support substrate includes a first surface and a second surface located above the level of the first surface. Chips are mounted on the first surface. A first insulating film is disposed over each chip. First conductive plugs are connected to the chip extending through each first insulating film. Filler material made of resin filling a space between chips. Wirings are disposed over the first insulating film and the filler material for interconnecting different chips. The second surface, an upper surface of the first insulating film and an upper surface of the filler material are located at the same level.
    Type: Application
    Filed: February 2, 2011
    Publication date: August 4, 2011
    Applicants: FUJITSU LIMITED, SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Sadahiro Kishii, Tsuyoshi Kanki, Yoshihiro Nakata, Yasushi Kobayashi, Masato Tanaka, Akio Rokugawa
  • Publication number: 20110133341
    Abstract: There is provided a method of manufacturing a semiconductor package. The method includes: (a) providing a semiconductor chip having a first surface and a second surface opposite to the first surface, wherein a pad is formed on the first surface; (b) disposing the semiconductor chip on a supporting substrate such that the first surface is directed upward; (c) forming an encapsulation resin layer on the supporting substrate so as to cover the semiconductor chip; and (d) polishing the encapsulation resin layer to expose a top surface of the pad.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 9, 2011
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa
  • Publication number: 20100244280
    Abstract: A board on which a wiring having an electrode pad is formed is prepared. A resist film is formed on the board in order to cover the wiring and then the resist film is left on the electrode pad through patterning. An inorganic insulating film is formed on the board in order to cover the wiring and then the resist film is removed, thereby removing the inorganic insulating film provided on the resist film to leave the inorganic insulating film between the wirings. A solder resist layer is formed on the board in order to cover the wiring and then the electrode pad is exposed.
    Type: Application
    Filed: March 29, 2010
    Publication date: September 30, 2010
    Applicant: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa
  • Patent number: 7763809
    Abstract: A substrate of multilayered structure having a plurality of sets of an insulation layer and a wiring line layer, and having one face for mounting a semiconductor element thereon and the other face on which external connection terminals are to be provided, the face for mounting a semiconductor element being provided with pads to be bonded to an electrode terminal of the semiconductor element, the other face being provided with pads to be bonded to an external connection terminal, such as a terminal formed of a solder ball, and the wiring line layers on both sides of an insulation layer being connected with each other by vias piercing the insulation layer, wherein the surfaces of the pads to be bonded to an electrode terminal of a semiconductor element are flat and are in the same plane. A method of manufacturing such a multilayered substrate is also disclosed.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: July 27, 2010
    Assignee: Shink Electric Industries Co., Inc.
    Inventors: Akio Rokugawa, Masayuki Sasaki, Yuichi Matsuda
  • Patent number: 7536780
    Abstract: The present invention discloses a method of manufacturing a wiring substrate to which a semiconductor chip mounted. The method includes the steps of forming a base, forming a peeling layer on the base, forming a capacitor having a plurality of layers on the peeling layer, and forming a wiring part in the capacitor for connecting the capacitor to the semiconductor chip.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: May 26, 2009
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Tomoo Yamasaki, Kiyoshi Oi, Akio Rokugawa
  • Patent number: 7402900
    Abstract: A method of manufacturing a semiconductor device substrate includes the steps of: arranging on a base a temporary fixing member for temporarily fixing an electronic component; temporarily fixing the electronic component on the base by the temporary fixing member; forming a substrate body on the base and the electronic component; removing a portion of the base which portion corresponds to the electronic component, thereby exposing the temporary fixing member; and removing the temporary fixing member, thereby enabling the electronic component to make an external connection.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: July 22, 2008
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Kiyoshi Ooi, Yasuyoshi Horikawa, Akio Rokugawa
  • Patent number: 7358114
    Abstract: A method of manufacturing a semiconductor device substrate includes the steps of: arranging on a base a temporary fixing member for temporarily fixing an electronic component; temporarily fixing the electronic component on the base by the temporary fixing member; forming a substrate body on the base and the electronic component; removing a portion of the base which portion corresponds to the electronic component, thereby exposing the temporary fixing member; and removing the temporary fixing member, thereby enabling the electronic component to make an external connection.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: April 15, 2008
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Kiyoshi Ooi, Yasuyoshi Horikawa, Akio Rokugawa
  • Patent number: 7352060
    Abstract: A multilayer wiring substrate for providing a capacitor structure inside a multilayer wiring structure is disclosed. The multilayer wiring substrate includes a dielectric layer including a resin material mixed with an inorganic filler, wherein the inorganic filler is fabricated by mixing a paraelectric filler with an inorganic filler having a high dielectric constant.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: April 1, 2008
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Tomoo Yamasaki, Akio Rokugawa, Takahiro Iijima
  • Patent number: 7341919
    Abstract: A capacitor element configured to mount a semiconductor element thereon includes a base. A capacitor part is provided on the base. The base is made of a resin whose coefficient of linear expansion is adjusted in accordance with a coefficient of linear expansion of the semiconductor element mounted on the capacitor element.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: March 11, 2008
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Tomoo Yamasaki, Akio Rokugawa
  • Patent number: 7335531
    Abstract: A semiconductor device including a semiconductor device package providing a capacitor in its circuit board and a semiconductor chip mounted on that package, wherein the capacitor is provided directly under a semiconductor chip mounting surface of the circuit board on which the semiconductor chip is to be mounted and the conductor circuit electrically connecting the semiconductor chip and capacitor is made the shortest distance by having the external connection terminals of the capacitor directly connected to the other surface of the connection pads exposed at one surface at the semiconductor chip mounting surface of the circuit board and to which the electrode terminals of the semiconductor chip are to be directly connected.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: February 26, 2008
    Assignee: Shinko Electric Industries, Co;, Ltd.
    Inventors: Takahiro Iijima, Akio Rokugawa
  • Patent number: 7314780
    Abstract: A semiconductor package, provided with a multilayer interconnect structure, for mounting a semiconductor chip on its top surface, wherein a topmost stacked structure of the multilayer interconnect structure includes a capacitor structure, the capacitor structure having a dielectric layer comprised of a mixed electrodeposited layer of high dielectric constant inorganic filler and insulating resin and including chip connection pads for directly connecting top electrodes and bottom electrodes with electrodes of the semiconductor chip, whereby greater freedom in design of interconnect patterns can be secured, the degree of proximity of the capacitor and semiconductor chip can be greatly improved, and the package can be made smaller and lighter in weight, a method of production of the same, and a semiconductor device using this semiconductor package.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: January 1, 2008
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Noriyoshi Shimizu, Akio Rokugawa, Takahiro Iijima