Patents by Inventor Noburo Hosokawa

Noburo Hosokawa 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: 9435686
    Abstract: A semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in a semiconductor substrate, quenching resistors connected in series to the respective avalanche photodiodes and arranged on a first principal surface side of the semiconductor substrate, and a plurality of through-hole electrodes electrically connected to the quenching resistors and formed so as to penetrate the semiconductor substrate from the first principal surface side to a second principal surface side. A mounting substrate includes a plurality of electrodes arranged corresponding to the respective through-hole electrodes on a third principal surface side. The through-hole electrodes and the electrodes are electrically connected through bump electrodes, and a side surface of the semiconductor substrate and a side surface of a glass substrate are flush with each other.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: September 6, 2016
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20160254307
    Abstract: A light detection device 1 has a semiconductor light detection element having a semiconductor substrate, and a mounting substrate arranged as opposed to the semiconductor light detection element. The semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in the semiconductor substrate, and electrodes electrically connected to the respective avalanche photodiodes and arranged on a second principal surface side of the semiconductor substrate. The mounting substrate includes a plurality of electrodes arranged corresponding to the respective electrodes on a third principal surface side, and quenching resistors electrically connected to the respective electrodes and arranged on the third principal surface side. The electrodes and the electrodes are connected through bump electrodes.
    Type: Application
    Filed: May 10, 2016
    Publication date: September 1, 2016
    Inventors: Terumasa NAGANO, Noburo HOSOKAWA, Tomofumi SUZUKI, Takashi BABA
  • Patent number: 9425224
    Abstract: A semiconductor light detection element has a plurality of channels, each of which consists of a photodiode array including a plurality of avalanche photodiodes operating in Geiger mode, quenching resistors connected in series to the respective avalanche photodiodes, and signal lines to which the quenching resistors are connected in parallel. A mounting substrate is configured so that a plurality of electrodes corresponding to the respective channels are arranged on a third principal surface side and so that a signal processing unit for processing output signals from the respective channels is arranged on a fourth principal surface side. In a semiconductor substrate, through-hole electrodes electrically connected to the signal lines are formed for the respective channels. The through-hole electrodes and the electrodes are electrically connected through bump electrodes.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: August 23, 2016
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Patent number: 9368528
    Abstract: A light detection device 1 has a semiconductor light detection element having a semiconductor substrate, and a mounting substrate arranged as opposed to the semiconductor light detection element. The semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in the semiconductor substrate, and electrodes electrically connected to the respective avalanche photodiodes and arranged on a second principal surface side of the semiconductor substrate. The mounting substrate includes a plurality of electrodes arranged corresponding to the respective electrodes on a third principal surface side, and quenching resistors electrically connected to the respective electrodes and arranged on the third principal surface side. The electrodes and the electrodes are connected through bump electrodes.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: June 14, 2016
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20160141439
    Abstract: A semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in a semiconductor substrate, quenching resistors connected in series to the respective avalanche photodiodes and arranged on a first principal surface side of the semiconductor substrate, and a plurality of through-hole electrodes electrically connected to the quenching resistors and formed so as to penetrate the semiconductor substrate from the first principal surface side to a second principal surface side. A mounting substrate includes a plurality of electrodes arranged corresponding to the respective through-hole electrodes on a third principal surface side. The through-hole electrodes and the electrodes are electrically connected through bump electrodes, and a side surface of the semiconductor substrate and a side surface of a glass substrate are flush with each other.
    Type: Application
    Filed: January 21, 2016
    Publication date: May 19, 2016
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20150340402
    Abstract: A photodiode array includes a plurality of photodiodes formed in a semiconductor substrate. Each of the photodiodes includes a first semiconductor region of a first conductivity type, and provided in the semiconductor substrate, a second semiconductor region of a second conductivity type, provided with respect to the first semiconductor region on one surface side of the semiconductor substrate so as to surround a predetermined region, and constituting a light detection region together with the first semiconductor region, and a through-electrode provided within a through-hole passing through the one surface and the other surface of the semiconductor substrate so as to pass through the first semiconductor region and the predetermined region, and electrically connected to the second semiconductor region. The through-hole includes a portion expanded from the one surface toward the other surface.
    Type: Application
    Filed: November 26, 2013
    Publication date: November 26, 2015
    Inventors: Tatsumi YAMANAKA, Akira SAKAMOTO, Noburo HOSOKAWA
  • Publication number: 20150311358
    Abstract: A photodiode array includes a plurality of photodiodes formed in a semiconductor substrate. Each of the photodiodes includes a first semiconductor region of a first conductivity type, a second semiconductor region of the first conductivity type, provided with respect to the first semiconductor region on one surface side of the semiconductor substrate, and having an impurity concentration higher than an impurity concentration of the first semiconductor region, a third semiconductor region of a second conductivity type, provided with respect to the first semiconductor region on the one surface side so as to surround the second semiconductor region separately from the second semiconductor region, and constituting a light detection region together with the first semiconductor region, and a through-electrode provided within a through-hole passing through the first semiconductor region and the second semiconductor region, and electrically connected to the third semiconductor region.
    Type: Application
    Filed: November 26, 2013
    Publication date: October 29, 2015
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tatsumi YAMANAKA, Akira SAKAMOTO, Noburo HOSOKAWA
  • Publication number: 20150137298
    Abstract: A semiconductor light detection element has a plurality of channels, each of which consists of a photodiode array including a plurality of avalanche photodiodes operating in Geiger mode, quenching resistors connected in series to the respective avalanche photodiodes, and signal lines to which the quenching resistors are connected in parallel. A mounting substrate is configured so that a plurality of electrodes corresponding to the respective channels are arranged on a third principal surface side and so that a signal processing unit for processing output signals from the respective channels is arranged on a fourth principal surface side. In a semiconductor substrate, through-hole electrodes electrically connected to the signal lines are formed for the respective channels. The through-hole electrodes and the electrodes are electrically connected through bump electrodes.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 21, 2015
    Inventors: Terumasa NAGANO, Noburo HOSOKAWA, Tomofumi SUZUKI, Takashi BABA
  • Patent number: 8969990
    Abstract: A semiconductor light detection element has a plurality of channels, each of which consists of a photodiode array including a plurality of avalanche photodiodes operating in Geiger mode, quenching resistors connected in series to the respective avalanche photodiodes, and signal lines to which the quenching resistors are connected in parallel. A mounting substrate is configured so that a plurality of electrodes corresponding to the respective channels are arranged on a third principal surface side and so that a signal processing unit for processing output signals from the respective channels is arranged on a fourth principal surface side. In a semiconductor substrate, through-hole electrodes electrically connected to the signal lines are formed for the respective channels. The through-hole electrodes and the electrodes are electrically connected through bump electrodes.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: March 3, 2015
    Assignee: Hamamatsu Photonics K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20140327100
    Abstract: A semiconductor light detection element has a plurality of channels, each of which consists of a photodiode array including a plurality of avalanche photodiodes operating in Geiger mode, quenching resistors connected in series to the respective avalanche photodiodes, and signal lines to which the quenching resistors are connected in parallel. A mounting substrate is configured so that a plurality of electrodes corresponding to the respective channels are arranged on a third principal surface side and so that a signal processing unit for processing output signals from the respective channels is arranged on a fourth principal surface side. In a semiconductor substrate, through-hole electrodes electrically connected to the signal lines are formed for the respective channels. The through-hole electrodes and the electrodes are electrically connected through bump electrodes.
    Type: Application
    Filed: August 2, 2012
    Publication date: November 6, 2014
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20140291486
    Abstract: A light detection device 1 has a semiconductor light detection element having a semiconductor substrate, and a mounting substrate arranged as opposed to the semiconductor light detection element. The semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in the semiconductor substrate, and electrodes electrically connected to the respective avalanche photodiodes and arranged on a second principal surface side of the semiconductor substrate. The mounting substrate includes a plurality of electrodes arranged corresponding to the respective electrodes on a third principal surface side, and quenching resistors electrically connected to the respective electrodes and arranged on the third principal surface side. The electrodes and the electrodes are connected through bump electrodes.
    Type: Application
    Filed: August 2, 2012
    Publication date: October 2, 2014
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba
  • Publication number: 20140263975
    Abstract: A semiconductor light detection element includes a plurality of avalanche photodiodes operating in Geiger mode and formed in a semiconductor substrate, quenching resistors connected in series to the respective avalanche photodiodes and arranged on a first principal surface side of the semiconductor substrate, and a plurality of through-hole electrodes electrically connected to the quenching resistors and formed so as to penetrate the semiconductor substrate from the first principal surface side to a second principal surface side. A mounting substrate includes a plurality of electrodes arranged corresponding to the respective through-hole electrodes on a third principal surface side. The through-hole electrodes and the electrodes are electrically connected through bump electrodes, and a side surface of the semiconductor substrate and a side surface of a glass substrate are flush with each other.
    Type: Application
    Filed: August 2, 2012
    Publication date: September 18, 2014
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Terumasa Nagano, Noburo Hosokawa, Tomofumi Suzuki, Takashi Baba