Patents by Inventor Yuji Takaoka

Yuji Takaoka 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: 10014248
    Abstract: Provided is a semiconductor device that includes a semiconductor chip, and a packaging substrate on which the semiconductor chip is mounted. The semiconductor chip includes a chip body and a plurality of solder-including electrodes that are provided on an element-formation surface of the chip body. The packaging substrate includes a substrate body, and a plurality of wirings and a solder resist layer that are provided on a front surface of the substrate body. The solder resist layer is provided as a continuous layer on the front surface of the substrate body and the plurality of wirings, and has an aperture on each of the plurality of wirings. The aperture has a planar shape elongated in a lengthwise direction of the wiring inside the aperture, with a length of the aperture adjusted in accordance with a thermal expansion coefficient of the packaging substrate.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 3, 2018
    Assignee: SONY CORPORATION
    Inventors: Makoto Murai, Yuji Takaoka, Hiroyuki Yamada, Kazuki Sato, Makoto Imai
  • Publication number: 20170239878
    Abstract: To prevent wear powder from adhering to a film, an expander roller (21) is used that extends in the width direction of a porous film (F) and that is configured to apply a tension to the porous film (F) in the width direction, and foreign matter adhering to the expander roller (21) is removed from a portion of the outer peripheral surface of the expander roller (21) at which portion the expander roller (21) is in no contact with the porous film (F).
    Type: Application
    Filed: February 16, 2017
    Publication date: August 24, 2017
    Inventors: Koichiro WATANABE, Yuji TAKAOKA
  • Publication number: 20170162493
    Abstract: Provided is a semiconductor device that includes a semiconductor chip, and a packaging substrate on which the semiconductor chip is mounted. The semiconductor chip includes a chip body and a plurality of solder-including electrodes that are provided on an element-formation surface of the chip body. The packaging substrate includes a substrate body, and a plurality of wirings and a solder resist layer that are provided on a front surface of the substrate body. The solder resist layer is provided as a continuous layer on the front surface of the substrate body and the plurality of wirings, and has an aperture on each of the plurality of wirings. The aperture has a planar shape elongated in a lengthwise direction of the wiring inside the aperture, with a length of the aperture adjusted in accordance with a thermal expansion coefficient of the packaging substrate.
    Type: Application
    Filed: June 5, 2015
    Publication date: June 8, 2017
    Inventors: MAKOTO MURAI, YUJI TAKAOKA, HIROYUKI YAMADA, KAZUKI SATO, MAKOTO IMAI
  • Publication number: 20170148760
    Abstract: A semiconductor chip includes a chip body and a plurality of solder-including electrodes provided on an element-formation surface of the chip body. A packaging substrate includes a substrate body, and one or more conductive layers and a solder resist layer that are provided on a front surface of the substrate body. The solder resist layer is provided as a continuous layer on the front surface of the substrate body and the one or more conductive layers, and has one or more apertures on each of the one or more conductive layers. The plurality of solder-including electrodes include two or more first electrodes having a same function other than a function of power supply. The one or more conductive layers include a continuous first conductive layer. The two or more first electrodes are connected to the continuous first conductive layer. The one or more apertures are confronted with the respective two or more first electrodes.
    Type: Application
    Filed: June 5, 2015
    Publication date: May 25, 2017
    Inventors: MAKOTO MURAI, KAZUKI SATO, HIROYUKI YAMADA, YUJI TAKAOKA, MAKOTO IMAI, SHIGEKI AMANO
  • Publication number: 20170141065
    Abstract: A semiconductor chip includes a chip body and a plurality of solder-including electrodes provided on an element-formation surface of the chip body. A packaging substrate includes a substrate body, and a plurality of wirings and a solder resist layer that are provided on a front surface of the substrate body. The plurality of solder-including electrodes include a plurality of first electrodes and a plurality of second electrodes. The plurality of first electrodes supply a first electric potential, and the plurality of second electrodes supply a second electric potential different from the first electric potential. The plurality of first electrodes and the plurality of second electrodes are disposed alternately in both a row direction and a column direction, in a central part of the chip body. The plurality of wirings include a plurality of first wirings and a plurality of second wirings.
    Type: Application
    Filed: June 5, 2015
    Publication date: May 18, 2017
    Inventors: MAKOTO MURAI, YUJI TAKAOKA, KAZUKI SATO, HIROYUKI YAMADA
  • Publication number: 20170141064
    Abstract: A semiconductor chip includes a chip body and a plurality of solder-including electrodes provided on an element-formation surface of the chip body. A packaging substrate includes a substrate body, a plurality of wirings, and a solder resist layer, in which the plurality of wirings and the solder resist layer are provided on a front surface of the substrate body. The solder resist layer is provided as a continuous layer on the front surface of the substrate body and the plurality of wirings, and has an aperture on each of the plurality of wirings. The plurality of solder-including electrodes include at least one gap control electrode. The at least one gap control electrode includes a columnar metal layer and a solder layer in order named from side on which the chip body is disposed, and includes an overlap region where the columnar metal layer and the solder resist layer overlap each other, along part or all of an aperture end of the aperture.
    Type: Application
    Filed: June 5, 2015
    Publication date: May 18, 2017
    Inventors: MAKOTO MURAI, YUJI TAKAOKA
  • Publication number: 20170092912
    Abstract: A desired drying capability is achieved while damage to a film is prevented. A film production method is arranged such that: a production process including a drying step is operated by setting a drying condition, under which to carry out the drying step, for each of at least two periods, the two periods being a first period and a second period later than the first period; the drying condition is changed in at least a part of the first period so as to be enhanced with time; and the drying condition is maintained in the second period so as to be substantially fixed.
    Type: Application
    Filed: September 28, 2016
    Publication date: March 30, 2017
    Inventors: Akihiko SHIN, Yuji TAKAOKA, Atsushi NAKAZAWA, Hideyuki SASAKI
  • Publication number: 20160276385
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Inventors: Yoshihiro Nabe, Hiroshi ` Asami, Yuji Takaoka, Yoshimichi Harada
  • Patent number: 9379155
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: June 28, 2016
    Assignee: Sony Corporation
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Publication number: 20150221690
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Patent number: 9041179
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: May 26, 2015
    Assignee: SONY CORPORATION
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Publication number: 20140183680
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Application
    Filed: March 6, 2014
    Publication date: July 3, 2014
    Applicant: Sony Corporation
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Patent number: 8564101
    Abstract: A semiconductor apparatus having a through-hole interconnection in a semiconductor substrate. An insulating layer is formed on the semiconductor substrate. A via hole is formed through the semiconductor substrate and the insulating layer. The through-hole interconnection has another insulating layer formed in the via hole and a conductive layer formed thereon. The insulating layer formed in the via hole is formed such as to substantially planarize an inner surface of the via hole.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: October 22, 2013
    Assignees: Sony Corporation, Fujikura Ltd.
    Inventors: Yoshimichi Harada, Masami Suzuki, Yoshihiro Nabe, Yuji Takaoka, Tatsuo Suemasu, Hideyuki Wada, Masanobu Saruta
  • Publication number: 20120286387
    Abstract: A semiconductor device including a semiconductor substrate having oppositely facing first and second surfaces, the first surface being an active surface and provided with an electronic element thereon, a pad electrode to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening formed to reach the pad electrode from a bottom surface of the first opening and having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 15, 2012
    Applicant: SONY CORPORATION
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Patent number: 8273657
    Abstract: A method for manufacturing a semiconductor apparatus having a through-hole interconnection in a semiconductor substrate. An insulating layer is formed on the semiconductor substrate. A via hole is formed through the semiconductor substrate and the insulating layer. Another insulating layer is formed in the via hole, and a conductive layer of the through-hole interconnection is subsequently formed. The insulating layer formed in the via hole is formed such as to substantially planarize an inner surface of the via hole.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: September 25, 2012
    Assignees: Sony Corporation, Fujikura Ltd.
    Inventors: Yoshimichi Harada, Masami Suzuki, Yoshihiro Nabe, Yuji Takaoka, Tatsuo Suemasu, Hideyuki Wada, Masanobu Saruta
  • Patent number: 8252628
    Abstract: A semiconductor device includes a semiconductor substrate having first and second surfaces opposite each other, the first surface being an active surface by provided with an electronic element thereon, a pad electrode formed to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening, formed to reach the pad electrode from a bottom surface of the first opening, having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: August 28, 2012
    Assignee: Sony Corporation
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada
  • Publication number: 20110136342
    Abstract: A semiconductor apparatus including a semiconductor substrate, an insulating layer, a via hole, and a through-hole interconnection is provided. The insulating layer is formed on the semiconductor substrate. The via hole is formed through the semiconductor substrate and the insulating layer. The through-hole interconnection has a conductive layer formed on an insulating layer in the via hole. The surface of the insulating layer formed on the inner surface of the via hole is substantially planarized by filling a recessed portion on a boundary between the semiconductor substrate and the insulating layer formed on the semiconductor substrate.
    Type: Application
    Filed: February 15, 2011
    Publication date: June 9, 2011
    Applicants: SONY CORPORATION, FUJIKURA LTD
    Inventors: Yoshimichi Harada, Masami Suzuki, Yoshihiro Nabe, Yuji Takaoka, Tatsuo Suemasu, Hideyuki Wada, Masanobu Saruta
  • Patent number: 7851880
    Abstract: A solid-state imaging device includes a semiconductor substrate having a foreside provided with an imaging area and an electrode pad, the imaging area having an array of optical sensors, the electrode pad being disposed around a periphery of the imaging area; a transparent substrate joined to the foreside of the semiconductor substrate with a sealant therebetween; underside wiring that extends through the semiconductor substrate from the electrode pad to an underside of the semiconductor substrate; and a protective film composed of an inorganic insulating material and interposed between the semiconductor substrate and the sealant, the protective film covering at least the electrode pad.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: December 14, 2010
    Assignee: Sony Corporation
    Inventors: Masami Suzuki, Yoshimichi Harada, Yoshihiro Nabe, Yuji Takaoka, Masaaki Takizawa, Chiaki Sakai
  • Publication number: 20090200679
    Abstract: A semiconductor apparatus including a semiconductor substrate, an insulating layer, a via hole, and a through-hole interconnection is provided. The insulating layer is formed on the semiconductor substrate. The via hole is formed through the semiconductor substrate and the insulating layer. The through-hole interconnection has a conductive layer formed on an insulating layer in the via hole. The surface of the insulating layer formed on the inner surface of the via hole is substantially planarized by filling a recessed portion on a boundary between the semiconductor substrate and the insulating layer formed on the semiconductor substrate.
    Type: Application
    Filed: January 6, 2009
    Publication date: August 13, 2009
    Applicants: SONY CORPORATION, FUJIKURA LTD
    Inventors: Yoshimichi Harada, Masami Suzuki, Yoshihiro Nabe, Yuji Takaoka, Tatsuo Suemasu, Hideyuki Wada, Masanobu Saruta
  • Publication number: 20080224249
    Abstract: A semiconductor device includes a semiconductor substrate having first and second surfaces opposite each other, the first surface being an active surface by provided with an electronic element thereon, a pad electrode formed to be connected to the electronic element in a peripheral portion of the electronic element on the active surface, a first opening extending from the second surface toward the pad electrode so as not to reach the first surface of the semiconductor substrate, a second opening, formed to reach the pad electrode from a bottom surface of the first opening, having a diameter smaller than that of the first opening, an insulating layer formed to cover sidewall surfaces of the first opening and the second opening, and a conductive layer formed, inside of the insulating layer, to cover at least an inner wall surface of the insulating layer and a bottom surface of the second opening.
    Type: Application
    Filed: March 12, 2008
    Publication date: September 18, 2008
    Applicant: SONY CORPORATION
    Inventors: Yoshihiro Nabe, Hiroshi Asami, Yuji Takaoka, Yoshimichi Harada