Patents by Inventor Chiori Mochizuki
Chiori Mochizuki 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).
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Patent number: 7888680Abstract: In a semiconductor device having a plurality of thin film transistors and matrix wiring lines formed on a substrate, the matrix wiring lines are electrically connected via resistors in order to prevent electrostatic destructions during a panel manufacture process and improve a manufacture yield.Type: GrantFiled: June 11, 2008Date of Patent: February 15, 2011Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Noriyuki Kaifu, Chiori Mochizuki
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Publication number: 20110017919Abstract: In a radiation detecting apparatus of the invention, plural pixels are arranged, and the pixel has a conversion element converting a radiation into an electric signal and a switching element connected to the conversion element. The conversion element includes a first electrode disposed on a first surface of an insulating substrate, a second electrode disposed on the first electrode, and a semiconductor layer disposed between the first electrode and the second electrode. The first electrode is made of a light-transmitting conductive material which transmits light emitted from a light source, and the first electrode is formed form a light transmitting electroconductive material transmitting light emitted form a light source disposed on a second surface of the insulating substrate opposite to the first surface. The switching element has a light shielding member which prevents incidence of the light from the light source to the switching element.Type: ApplicationFiled: October 1, 2010Publication date: January 27, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
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Publication number: 20110006191Abstract: An image capture apparatus includes a plurality of pixels, each including a plurality of thin film transistors (T1, T2) having different operating resistances and a photo-electric conversion element (C11), a selection unit configured to select at least one of the thin film transistors, and a signal line (S1) on which electric charge generated by the photo-electric conversion elements is output via the thin film transistors selected by the selection unit.Type: ApplicationFiled: June 4, 2010Publication date: January 13, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Minoru Watanabe, Chiori Mochizuki, Takamasa Ishii
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Patent number: 7858947Abstract: To improve a sensor resetting method and thereby implement a high rate at which a moving image is read, the invention provides an image pickup apparatus and a radiation image pickup apparatus including: a plurality of pixels arranged on a substrate in row and column directions, each pixel having a conversion element and a transfer switching element; a drive wiring connected to a plurality of the transfer switching elements in the row direction; and a conversion element wiring connected to a plurality of the conversion elements in the row direction, wherein a reset switching element is disposed between the conversion element wiring and a reset wiring for supplying a reset voltage for resetting the conversion element, and a bias switching element is disposed between the conversion element wiring and a bias wiring for supplying a bias voltage for operating the conversion element.Type: GrantFiled: May 29, 2009Date of Patent: December 28, 2010Assignee: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Masakazu Morishita, Keiichi Nomura, Minoru Watanabe, Takamasa Ishii
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Patent number: 7852392Abstract: A scintillator layer for converting an incident radiation into a light having a wavelength detectable with a photoelectric conversion element is provided on a sensor substrate on which plural photoelectric conversion elements and switching elements are disposed via a flattening layer.Type: GrantFiled: August 31, 2006Date of Patent: December 14, 2010Assignee: Canon Kabushiki KaishaInventor: Chiori Mochizuki
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Publication number: 20100294942Abstract: A radiation detecting apparatus capable of obtaining good images including decreased noises includes a plurality of pixels, each having a photoelectric conversion element for converting an incident radiation into an electric signal and a a first switch element connected to the photoelectric conversion element and a second switch element being not connected to the conversion element; a first signal line; a second signal line; and a drive line, wherein the first switch element has a first main electrode connected electrically to the first signal line, a second main electrode connected electrically to the photoelectric conversion element, and a gate electrode connected electrically to the drive line, the second switch element has a first main electrode connected to the second signal line and a gate electrode connected electrically to the drive wiring common to the first switch element, and a differential means for outputting a signal corresponding to a difference between outputs from the first and second switchType: ApplicationFiled: July 18, 2008Publication date: November 25, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
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Patent number: 7829858Abstract: In a radiation detecting apparatus of the invention, plural pixels are arranged, and the pixel has a conversion element converting a radiation into an electric signal and a switching element connected to the conversion element. The conversion element includes a first electrode disposed on a first surface of an insulating substrate, a second electrode disposed on the first electrode, and a semiconductor layer disposed between the first electrode and the second electrode. The first electrode is made of a light-transmitting conductive material which transmits light emitted from a light source, and the first electrode is formed form a light transmitting electroconductive material transmitting light emitted form a light source disposed on a second surface of the insulating substrate opposite to the first surface. The switching element has a light shielding member which prevents incidence of the light from the light source to the switching element.Type: GrantFiled: July 21, 2006Date of Patent: November 9, 2010Assignee: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii
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Publication number: 20100277630Abstract: Pixels including a photoelectric conversion element 1, a signal transfer TFT (thin film transistor) 2 electrically connected to the photoelectric conversion element, and a reset TFT 3 electrically connected to the photoelectric conversion element and for applying a bias to the photoelectric conversion element are two-dimensionally disposed on the insulating substrate, and the photoelectric conversion element 1, signal transfer TFT 2, and reset TFT 3 are electrically connected through a common contact hole 9. A source or drain electrode of the signal transfer TFT 2 and the source or drain electrode of the reset TFT 3 are formed from a common electroconductive layer.Type: ApplicationFiled: January 11, 2007Publication date: November 4, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Takamasa Ishii, Chiori Mochizuki, Minoru Watanabe
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Patent number: 7812317Abstract: A radiation detecting apparatus according to the present invention includes: pixels including switching elements arranged on an insulating substrate and conversion elements arranged on the switching elements to convert a radiation into electric carriers, the switching elements and the conversion elements are connected with each other, the pixels two-dimensionally arranged on the insulating substrate in a matrix; gate wiring commonly connected with a plurality of switching elements arranged in a row direction on the insulating substrate; signal wiring commonly connected with a plurality of switching elements arranged in a column direction; and a plurality of insulating films arranged between the switching elements and the conversion elements, wherein at least one of the gate wiring and the signal wiring is arranged to be put between the plurality of insulating films.Type: GrantFiled: September 5, 2008Date of Patent: October 12, 2010Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Keiichi Nomura, Takamasa Ishii
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Patent number: 7812313Abstract: A conversion apparatus of the present invention includes a pixel region in which a plurality of pixels are arranged. The pixels are including the switching elements and the conversion elements. The pixel region includes a switching element region in which the plurality of switching elements are arranged in row and column directions, and a conversion element region in which the plurality of conversion elements are arranged in row and column directions. A plurality of signal wirings are including a second metal layer, and connected to the plurality of switching elements of the column direction. Bias wirings are including a fourth metal layer, and connected to the plurality of conversion elements. An external signal wiring is including the first metal layer outside the pixel region, and connected to the signal wirings. The external signal wiring and the bias wiring intersect each other.Type: GrantFiled: July 10, 2006Date of Patent: October 12, 2010Assignee: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Minoru Watanabe, Takamasa Ishii, Masayoshi Tokumoto
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Publication number: 20100193691Abstract: The object of the invention is to realize a light radiation-detecting apparatus including a step of preparing a matrix array including a substrate, an insulating layer arranged on the substrate, a plurality of pixels arranged on the insulating layer, wherein the pixel includes a conversion element converting an incident radiation into an electric signal, and connection electrode arranged at a periphery of the plurality of pixels, fixing a flexible supporting member for covering the plurality of pixels to the matrix array at a side opposite to the substrate, and releasing the substrate from the matrix array.Type: ApplicationFiled: November 4, 2008Publication date: August 5, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Takamasa Ishii, Chiori Mochizuki, Minoru Watanabe
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Patent number: 7750422Abstract: In a solid state image pickup apparatus with a photodetecting device and one or more thin film transistors connected to the photodetecting device formed in one pixel, a part of the photodetecting device is formed over at least a part of the thin film transistor, and the thin film transistor is constructed by a source electrode, a drain electrode, a first gate electrode, and a second gate electrode arranged on the side opposite to the first gate electrode with respect to the source electrode and the drain electrode, and the first gate electrode is connected to the second gate electrode every pixel, thereby, suppressing an adverse effect of the photodetecting device on the TFT, a leakage at turn-off TFT, variation in a threshold voltage of the TFT due to an external electric field, and accurately transferring photo carrier to a signal processing circuit.Type: GrantFiled: March 12, 2007Date of Patent: July 6, 2010Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Masakazu Morishita, Chiori Mochizuki, Takamasa Ishii, Keiichi Nomura
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Patent number: 7723136Abstract: An imaging apparatus is provided in which a plurality of pixels, each having a conversion element and a thin-film transistor, are arranged in a two-dimensional fashion on an insulating substrate; the photoelectric conversion element is arranged over the thin-film transistor, with an insulating film, which serves as an interlayer insulating film, inserted between the conversion element and the thin-film transistor; and by way of a contact hole portion provided in the insulating film, the source electrode or the drain electrode of the thin-film transistor and the photoelectric conversion element are connected with each other. The imaging apparatus has a pixel in which the contact hole portion is removed through a laser-beam irradiation so that the connection portion between the conversion element and a conductive layer, which serves as the source electrode or the drain electrode of the thin-film transistor, is discontinued.Type: GrantFiled: November 19, 2008Date of Patent: May 25, 2010Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Takamasa Ishii
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Patent number: 7723695Abstract: This imaging apparatus has pixels arranged in a matrix shape on a substrate, each of which has a conversion element and the first TFT, wherein the first TFT is connected to the first gate wiring and signal wiring, and the conversion element is connected to bias wiring. The imaging apparatus has the second TFT 6 that is arranged outside a region in which the pixels are arranged. The signal wirings are mutually connected through the second TFT 6 outside a region in which the pixels are arranged. When the apparatus is driven, the second TFT is turned off.Type: GrantFiled: March 28, 2007Date of Patent: May 25, 2010Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Takamasa Ishii
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Publication number: 20100072381Abstract: A radiation imaging apparatus has a pixel region arranged on a substrate. Arranged in a matrix pattern in the pixel region are pixels, each pixel including a conversion element which converts radiation to electrical charges, and a switching element which is connected to the conversion element therein. The radiation imaging apparatus has, in a region outside the pixel region of the substrate, an intersection at which a signal line connected to the switching element and a bias line connected to the conversion element intersects. At the intersection, a semiconductor layer is arranged between the signal line and the bias line, and a carrier blocking portion is arranged between the semiconductor layer and the signal line.Type: ApplicationFiled: November 30, 2009Publication date: March 25, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Takamasa Ishii, Chiori Mochizuki, Minoru Watanabe
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Patent number: 7655920Abstract: A conversion apparatus includes pixels including switching elements provided on an insulating substrate and conversion elements disposed over the switching elements and connected to the switching elements. Conductive lines are coupled to the pixels and have terminal elements for providing a connection to an external circuit. The terminal elements are disposed in a metal layer that is formed over the conversion elements. The conversion apparatus further includes a transparent conductive layer covering surfaces of the terminal elements, and a protective layer covering edges of the terminal elements and having openings.Type: GrantFiled: August 1, 2008Date of Patent: February 2, 2010Assignee: Canon Kabushiki KaishaInventors: Chiori Mochizuki, Keiichi Nomura, Minoru Watanabe, Takamasa Ishii
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Patent number: 7645976Abstract: A radiation detecting apparatus includes plural pixels each provided with a switching element disposed on an insulating substrate and a conversion element disposed on the switching element, and plural signal wirings arranged in one direction and connected with the plural switching elements, wherein the conversion elements have electrodes separated respectively for the pixels, the switching element is connected with the electrode for each pixel, and both ends of the signal wiring, opposed to each other in a width direction, and both ends of the control wiring, opposed to each other in a width direction are disposed inside of an area of the electrode when seen from above the conversion element.Type: GrantFiled: July 25, 2006Date of Patent: January 12, 2010Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Takamasa Ishii
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Publication number: 20100001194Abstract: A radiation detection apparatus comprises a plurality of pixels each including a conversion element which converts incident radiation into a charge, a switching element which transfers the charge, and an interlayer insulation film disposed between the conversion element and the switching element, a gate line to drive the switching element, and a signal line located to intersect with the gate line and configured to read out the charge transferred from the switching element, wherein Ca??0×?×S/d and 7d?P/2 is satisfied, where P is a pixel pitch, Ca is a sum total of coupling capacitances between the signal line and the gate line, S is an overlapping area of the signal line and the conversion element, d is a thickness of the interlayer insulation film, ? is a relative dielectric constant of the interlayer insulation film, and ?0 is a vacuum dielectric constant.Type: ApplicationFiled: June 29, 2009Publication date: January 7, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Takamasa Ishii, Chiori Mochizuki, Minoru Watanabe
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Patent number: 7642517Abstract: A radiation imaging apparatus has a pixel region arranged on a substrate. Arranged in a matrix pattern in the pixel region are pixels, each pixel including a conversion element which converts radiation to electrical charges, and a switching element which is connected to the conversion element therein. The radiation imaging apparatus has, in a region outside the pixel region of the substrate, an intersection at which a signal line connected to the switching element and a bias line connected to the conversion element intersects. At the intersection, a semiconductor layer is arranged between the signal line and the bias line, and a carrier blocking portion is arranged between the semiconductor layer and the signal line.Type: GrantFiled: September 15, 2008Date of Patent: January 5, 2010Assignee: Canon Kabushiki KaishaInventors: Takamasa Ishii, Chiori Mochizuki, Minoru Watanabe
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Patent number: 7638772Abstract: An imaging apparatus includes a plurality of pixels disposed on an insulation substrate. Each of the pixels includes a plurality of thin-film transistors, a conversion element disposed above the TFTs, and a plurality of insulating layers disposed between the conversion element and the plurality of TFTs. The plurality of TFTs includes a reading TFT having a gate electrode electrically connected to the conversion element and a first selecting TFT electrically connected to a source electrode or a drain electrode of the reading TFT. At least one of a signal wiring, to which a signal corresponding to an electric charge obtained by conversion of incident light or radiation performed by the conversion element is transferred, and a gate wiring that supplies a driving signal to a gate electrode of the first selecting thin-film transistor, is disposed between the plurality of insulating layers.Type: GrantFiled: February 21, 2008Date of Patent: December 29, 2009Assignee: Canon Kabushiki KaishaInventors: Minoru Watanabe, Chiori Mochizuki, Takamasa Ishii