Patents by Inventor Tatsuro Sawatari

Tatsuro Sawatari 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: 20140307402
    Abstract: Provided is a substrate with built-in electronic component including a component storage layer and two buildup layers. The component storage layer includes an electronic component and a cover portion having an insulating property. The electronic component includes a terminal surface and a main body. The cover portion includes a first surface formed to be flush with the terminal surface, covers the main body of the electronic component, and has a first linear expansion coefficient. The two buildup layers each include an insulating layer and a via portion. The insulating layer is adjacent to the cover portion and has a second linear expansion coefficient larger than the first linear expansion coefficient. The via portion is provided in the insulating layer and connected to the terminal surface. The insulating layer of one of the two buildup layers is formed to be in contact with the terminal surface and the first surface.
    Type: Application
    Filed: December 18, 2013
    Publication date: October 16, 2014
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Yuichi SUGIYAMA, Tatsuro SAWATARI, Yusuke INOUE, Masashi MIYAZAKI
  • Publication number: 20140285988
    Abstract: A substrate with built-in electronic component includes: a core layer that includes a core material and a cavity formed in the core material and containing an insulating material; an insulating layer that includes a ground wiring and a signal wiring and is formed on the core layer; and a plurality of electronic components that each include a first terminal and a second terminal and are stored in the cavity, the plurality of electronic components each having one end portion and the other end portion, the first terminal being formed at the one end portion and connected to the ground wiring, the second terminal being formed at the other end portion and connected to the signal wiring, the plurality of electronic components having at least one of arrangements in which the first terminals face each other and in which the second terminals face each other.
    Type: Application
    Filed: December 9, 2013
    Publication date: September 25, 2014
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Tatsuro SAWATARI, Yuichi SUGIYAMA
  • Publication number: 20140253794
    Abstract: A camera module, in which a recessed portion that has a greater depth than the thickness of an imaging device is disposed on the surface (top surface) of an embedded-component substrate. An imaging device is bonded to a bottom of the recessed portion such that an opening is present between the surface (top surface) of the imaging device and the surface (top surface) of the embedded-component substrate. Connection pads on the imaging device are connected to conductor pads disposed on the surface (top surface) of the embedded-component substrate by bonding wires that go through the opening.
    Type: Application
    Filed: January 14, 2014
    Publication date: September 11, 2014
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Masashi MIYAZAKI, Yuichi SUGIYAMA, Tatsuro SAWATARI, Hideki YOKOTA, Yutaka HATA
  • Publication number: 20140252522
    Abstract: In a camera module, a planar part, which is for mitigating deformation of the surface of a second insulating portion on which an imaging device is mounted, is embedded in the second insulating portion of a substrate so as to face the imaging device mounted on the surface (top surface) of the second insulating portion.
    Type: Application
    Filed: January 14, 2014
    Publication date: September 11, 2014
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Masashi MIYAZAKI, Yuichi SUGIYAMA, Tatsuro SAWATARI, Hideki YOKOTA, Yutaka HATA
  • Patent number: 8811021
    Abstract: There is provided an electronic circuit module that prevents a bonding force between ground wiring and a shield from decreasing and maintains successfully a desirable shield effect. The electronic circuit module includes a core layer also functioning as the ground wiring, each face OS of each first protrusion of the core layer facing to an end face of a shield is adjacent to faces OS of an outer cover made of an insulating synthetic resin facing to the end face of the shield, and the end face of the shield is bonded to both of the each face OS of each first protrusion facing to the end face of the shield and the faces OS of the outer cover facing to the end face of the shield.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: August 19, 2014
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yuichi Sugiyama, Tatsuro Sawatari, Masashi Miyazaki
  • Publication number: 20140133120
    Abstract: In a first conductive layer and a third conductive layer that are respectively closest to a core layer having a storage portion that penetrates therethrough, four first penetrating holes and four first penetrating holes are formed so as to overlap part of an opening edge of the storage portion that is projected onto the first conductive layer and the third conductive layer, respectively.
    Type: Application
    Filed: June 4, 2013
    Publication date: May 15, 2014
    Inventors: Tatsuro SAWATARI, Yuichi SUGIYAMA, Hiroshi NAKAMURA, Masaki NAGANUMA, Tetsuo SAJI
  • Publication number: 20140126157
    Abstract: An electronic circuit module includes a substrate with built-in component, a mount component mounted on the substrate with built-in component, a sealing portion covering the mount component, and a shield made of a conductive synthetic resin covering the sealing portion. The substrate with built-in component has a core layer made of a metal, an outer cover made of an insulating synthetic resin, and a first protrusion. The core layer has corners and side faces. The outer cover covers the corners and the side faces, and has a first surface. The first protrusion has a first end face exposed at the outer cover and a second surface adjacent to the first surface, and is formed away from the corners of the side faces to protrude outwardly. The sealing portion covers the mount component. The shield covers the sealing portion, and has a third surface bonded to the first surface and the second surface.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 8, 2014
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Tatsuro SAWATARI, Masashi MIYAZAKI, Yoshiki HAMADA, Yuichi SUGIYAMA, Kazuaki IDA
  • Publication number: 20140126160
    Abstract: There is provided an electronic circuit module that prevents a bonding force between ground wiring and a shield from decreasing and maintains successfully a desirable shield effect. The electronic circuit module includes a core layer also functioning as the ground wiring, each face OS of each first protrusion of the core layer facing to an end face of a shield is adjacent to faces OS of an outer cover made of an insulating synthetic resin facing to the end face of the shield, and the end face of the shield is bonded to both of the each face OS of each first protrusion facing to the end face of the shield and the faces OS of the outer cover facing to the end face of the shield.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 8, 2014
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Yuichi SUGIYAMA, Tatsuro SAWATARI, Masashi MIYAZAKI
  • Publication number: 20140049928
    Abstract: Provided is a substrate with a built-in electronic component that can avoid as much as possible the occurrence of malfunctions in the electronic component due to moisture entering, even when an electronic component, provided with a structure in which a terminal pad is present where a hole in the sealing part provided on the main body of a component is located, is built into the substrate. A SAW filter 12 built into a substrate 11 is provided with a structure that has terminal pads 12c to 12e on the bottom of respective holes 12f1 in a sealing part 12f. The lower surfaces of respective conductive vias 11d2 are connected to the upper surfaces of the terminal pads 12c to 12e through the respective holes 12f1 such that a ring-shaped gap CC is formed between outer surfaces of the conductive vias 11d2 and inner surfaces of the holes 12f1. Each ring-shaped gap CC is filled with a part that is integral with a first insulating layer 11c.
    Type: Application
    Filed: August 23, 2012
    Publication date: February 20, 2014
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Tatsuro Sawatari, Eiji Mugiya, Hiroshi Nakamura
  • Publication number: 20140048321
    Abstract: Provided is a substrate with a built-in electronic component that can minimize an occurrence of a deformation such as warping or distortion of the substrate with a built-in electronic component, which is caused by a difference in rigidity between a region of low rigidity and a region of high rigidity that are formed in a core layer thereof. In the substrate with a built-in electronic component, electronic components 12 are respectively housed in a plurality of housing portions 11a1 that are formed in a core layer 11a, and in the core layer 11a, a plurality of openings 11a2 filled with an insulator 11k are formed.
    Type: Application
    Filed: August 20, 2012
    Publication date: February 20, 2014
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Yuichi Sugiyama, Tatsuro Sawatari, Yusuke Inoue, Masashi Miyazaki, Yoshiki Hamada, Toshiyuki Kagawa
  • Patent number: 8314343
    Abstract: In a multi-layer substrate including a core formed with a plurality of holes capable of containing an electronic part, a bottom insulating resin layer formed on a bottom surface of the core, a top insulating resin layer formed on a top surface of the core, a wiring layer selectively formed on an outer layer of the bottom insulating resin layer or top insulating resin layer, and an electronic part contained in the holes, both of the bottom and top insulating resin layers have a structure that is a combination of a resin which is changed to cohesiveness when heated and which undergoes smaller plastic deformation when heated to a higher temperature and an insulating resin layer which has a thickness sufficient to maintain insulation between the electronic part or a conductor of the core and the wiring layer and which inherently undergoes small plastic deformation, so that the electronic part can be securely and sealed in the holes without using a particular adhesive.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: November 20, 2012
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yusuke Inoue, Eiji Mugiya, Masashi Miyazaki, Tatsuro Sawatari, Yuichi Sugiyama
  • Patent number: 7928560
    Abstract: A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: April 19, 2011
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Masashi Miyazaki, Mitsuhiro Takayama, Tatsuro Sawatari
  • Publication number: 20100300736
    Abstract: A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
    Type: Application
    Filed: May 14, 2010
    Publication date: December 2, 2010
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Masashi Miyazaki, Mitsuhiro Takayama, Tatsuro Sawatari
  • Patent number: 7745926
    Abstract: A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: June 29, 2010
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Masashi Miyazaki, Mitsuhiro Takayama, Tatsuro Sawatari
  • Patent number: 7738256
    Abstract: Components having different heights are installed in a multilayer substrate using a metal core layer formed by bonding a plurality of metal layers. The metal core layer includes through-holes and a spot-faced portion. Passive components and an active component are disposed in the through-holes and the spot-faced portion, respectively. These components are connected to conductive patterns formed on wiring layers, with connecting vias therebetween. Contact faces of each component with the connecting vias are controlled so as to be disposed at the same level with the metal layers.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: June 15, 2010
    Assignee: Taiyo Yuden Co., Ltd
    Inventors: Tatsuro Sawatari, Masashi Miyazaki
  • Publication number: 20090084596
    Abstract: An electronic part-incorporated multilayer substrate is provided. The multi-layer substrate includes a core formed with a plurality of holes capable of containing an electronic part, a bottom insulating resin layer formed on a bottom surface of the core, a top insulating resin layer formed on a top surface of the core, a wiring layer selectively formed on an outer surface of the bottom insulating resin layer or top insulating resin layer, and an electronic part contained in any of the holes. Both of the bottom and top insulating resin layers have a structure that is a combination of a resin which is changed to cohesiveness when heated and which undergoes smaller plastic deformation when heated to a higher temperature and an insulating resin layer which has a thickness sufficient to maintain insulation between the electronic part or a conductor of the core and the wiring layer and which inherently undergoes small plastic deformation.
    Type: Application
    Filed: August 28, 2008
    Publication date: April 2, 2009
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Yusuke INOUE, Eiji MUGIYA, Masashi MIYAZAKI, Tatsuro SAWATARI, Yuichi SUGIYAMA
  • Publication number: 20080196932
    Abstract: Components having different heights are installed in a multilayer substrate using a metal core layer formed by bonding a plurality of metal layers. The metal core layer includes through-holes and a spot-faced portion. Passive components and an active component are disposed in the through-holes and the spot-faced portion, respectively. These components are connected to conductive patterns formed on wiring layers, with connecting vias therebetween. Contact faces of each component with the connecting vias are controlled so as to be disposed at the same level with the metal layers.
    Type: Application
    Filed: April 23, 2008
    Publication date: August 21, 2008
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Tatsuro Sawatari, Masashi Miyazaki
  • Patent number: 7379306
    Abstract: Components having different heights are installed in a multilayer substrate using a metal core layer formed by bonding a plurality of metal layers. The metal core layer includes through-holes and a spot-faced portion. Passive components and an active component are disposed in the through-holes and the spot-faced portion, respectively. These components are connected to conductive patterns formed on wiring layers, with connecting vias therebetween. Contact faces of each component with the connecting vias are controlled so as to be disposed at the same level with the metal layers.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: May 27, 2008
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Tatsuro Sawatari, Masashi Miyazaki
  • Patent number: 7348662
    Abstract: A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: March 25, 2008
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Masashi Miyazaki, Mitsuhiro Takayama, Tatsuro Sawatari
  • Patent number: RE45146
    Abstract: A composite multi-layer substrate comprising a flat plate-like core member formed of a material having an excellent electric conductivity, an excellent heat conductivity, and a high rigidity, a front resin layer and a rear resin layer covering at least the front and rear surfaces of the core member, and a bottomless hole formed in the core member through the front and rear sides of the core member, wherein an electronic component is installed in the bottomless hole, whereby since the strength of the composite multi-layer substrate can be assured by the rigidity of the core member, conventional prior art glass cloth can be eliminated, deterioration in the electric characteristics caused by ion migration can be avoided and will result in reduced production cost.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 23, 2014
    Assignee: Taiyo Yuden Co., Ltd
    Inventors: Masashi Miyazaki, Mitsuhiro Takayama, Tatsuro Sawatari