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1 | US2021005656A1 |
IMAGING ELEMENT AND METHOD OF MANUFACTURING IMAGING ELEMENT
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Publication/Patent Number: US2021005656A1 | Publication Date: 2021-01-07 | Application Number: 16/976,749 | Filing Date: 2019-01-21 | Inventor： Shibayama, Toshikazu Moriya, Yusuke Mitsunaga, Nobuyuki | Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION | IPC: H01L27/146 | Abstract: To reduce reflection of incident light in an imaging element having a transparent resin arranged on a surface of a microlens. The imaging element includes a pixel, a microlens, a transparent resin layer, and a sealing glass. The pixel is formed on a semiconductor substrate and generates an image signal according to radiated light. The microlens is arranged adjacent to the pixel, collects incident light, irradiates the pixel with the incident light, and flattens a surface of the pixel. The transparent resin layer is arranged adjacent to the microlens and has a refractive index different from a refractive index of the microlens by a predetermined difference. The sealing glass is arranged adjacent to the transparent resin and seals the semiconductor substrate. | |||
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2 | WO2019171787A1 |
IMAGING ELEMENT AND METHOD FOR PRODUCING IMAGING ELEMENT
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Publication/Patent Number: WO2019171787A1 | Publication Date: 2019-09-12 | Application Number: 2019001598 | Filing Date: 2019-01-21 | Inventor： Shibayama, Toshikazu Mitsunaga, Nobuyuki Moriya, Yusuke | Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION | IPC: H04N5/369 | Abstract: The present invention reduces reflection of incident light in an imaging element wherein a transparent resin is arranged on the surface of a microlens. An imaging element according to the present invention is provided with a pixel, a microlens, a transparent resin layer and a sealing glass. The pixel is formed on a semiconductor substrate, and produces an image signal that corresponds to the light irradiated thereon. The microlens is arranged adjacent to the pixel, and focuses incident light on the pixel, while planarizing the surface of the pixel. The transparent resin layer is arranged adjacent to the microlens, and is configured to have a refractive index that is different from the refractive index of the microlens by a predetermined value. The sealing glass is arranged adjacent to the transparent resin, and seals the semiconductor substrate. | |||
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3 | JP2019160830A |
IMAGING ELEMENT AND MANUFACTURING METHOD THEREOF
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Publication/Patent Number: JP2019160830A | Publication Date: 2019-09-19 | Application Number: 2018040618 | Filing Date: 2018-03-07 | Inventor： Moriya, Yusuke Shibayama, Riichi Mitsunaga, Nobuyuki | Assignee: SONY SEMICONDUCTOR SOLUTIONS CORP | IPC: H04N5/369 | Abstract: To reduce reflection of incident light in an imaging element in which a transparent resin is disposed on the surface of a microlens.SOLUTION: An imaging element includes a pixel, a microlens, a transparent resin layer, and a sealing glass. The pixel generates an image signal corresponding to the light formed on a semiconductor substrate and irradiated. The microlens is disposed adjacent to the pixel, collects incident light, irradiates the pixel, and flattens the surface of the pixel. The transparent resin layer is disposed adjacent to the microlens and is configured to have a refractive index different from the refractive index of the microlens by a predetermined difference. The sealing glass is disposed adjacent to the transparent resin to seal the semiconductor substrate.SELECTED DRAWING: Figure 4 | |||
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4 | JP4728929B2 |
CONTROL DEVICE
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Publication/Patent Number: JP4728929B2 | Publication Date: 2011-07-20 | Application Number: 2006295375 | Filing Date: 2006-10-31 | Inventor： Tanaka, Hiroyuki Kondo, Masao Tomita, Isamu Kanee, Masahide Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G11B5/31 | Abstract: PROBLEM TO BE SOLVED: To provide a control device for setting the optimal heater control value | |||
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5 | JP2010176749A |
METHOD OF MANUFACTURING MAGNETIC DISK DEVICE
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Publication/Patent Number: JP2010176749A | Publication Date: 2010-08-12 | Application Number: 2009018309 | Filing Date: 2009-01-29 | Inventor： Mitsunaga, Nobuyuki | Assignee: TOSHIBA STORAGE DEVICE CORP | IPC: G11B5/012 | Abstract: PROBLEM TO BE SOLVED: To adjust a write-current of a write-element of a magnetic head without being affected by thermal expansion of the write-element | |||
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6 | US7808738B2 |
Information storage apparatus for adjusting flying height of head
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Publication/Patent Number: US7808738B2 | Publication Date: 2010-10-05 | Application Number: 21/223,808 | Filing Date: 2008-09-17 | Inventor： Mitsunaga, Nobuyuki Takemura, Noriaki | Assignee: Toshiba Storage Device Corporation Mitsunaga, Nobuyuki Takemura, Noriaki | IPC: G11B21/02 | Abstract: A storage apparatus including a motor for rotating a medium and a head that has a heater. The clearance between the medium and the head is controlled by expansion of the head by the heater. Some embodiments could include a monitor configured to monitor atmospheric pressure | |||
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7 | US2009097151A1 |
INFORMATION STORAGE APPARATUS FOR ADJUSTING FLYING HEIGHT OF HEAD
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Publication/Patent Number: US2009097151A1 | Publication Date: 2009-04-16 | Application Number: 12/212,238 | Filing Date: 2008-09-17 | Inventor： Mitsunaga, Nobuyuki Takemura, Noriaki | Assignee: FUJITSU LIMITED | IPC: G11B21/02 | Abstract: According to an aspect of an embodiment, a storage apparatus has a motor for rotating a medium, a head for writing data into or reading data from the medium, the head having a space control element for changing a flying height of the head over the medium and a controller for controlling the space control element so as to control the flying height of the head and the medium when writing data into or reading data from the medium, for monitoring a value of a driving current flowing through the motor, for detecting an error by comparison of data written into the medium and data read out from the medium, and for changing the flying height of the head by controlling the space control element in accordance with the monitored driving current when an error is detected. | |||
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8 | JP2009093768A |
STORAGE DEVICE AND STORAGE CONTROL CIRCUIT
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Publication/Patent Number: JP2009093768A | Publication Date: 2009-04-30 | Application Number: 2007265218 | Filing Date: 2007-10-11 | Inventor： Mitsunaga, Nobuyuki Takemura, Noriaki | Assignee: FUJITSU LTD | IPC: G11B19/04 | Abstract: PROBLEM TO BE SOLVED: To provide a storage device and a storage control circuit which can appropriately perform recording and reproduction by suppressing reduction of an error rate to the minimum | |||
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9 | US7492543B2 |
Control device, control method, and storage apparatus for controlling read head and write head clearance
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Publication/Patent Number: US7492543B2 | Publication Date: 2009-02-17 | Application Number: 11/895,464 | Filing Date: 2007-08-24 | Inventor： Mitsunaga, Nobuyuki Kanegae, Masahide Tanaka, Hiroyuki Tomita, Isamu Kondo, Masao | Assignee: Fujitsu Limited | IPC: G11B21/02 | Abstract: Upon recording, a clearance control unit performs preheating by an added control value (BR) of a base heater control value B and an adjustment heater control value R and switches that to value B when it reaches a target sector to perform write. Upon reproduction, preheating is performed by the value (BR) and the value (BR) is maintained when it reaches a target sector to perform read. A correction processing unit detects contact between the head and a medium surface while increasing the value R from a predetermined initial value Ro, and sets a new calculated base heater control value B, and value Ro as the adjustment heater control value R. Write assist adjustment in which the measured adjustment heater control value R is adjusted to a heater control value that improves characteristic deterioration immediately after recording is started wherein preheating is switched to write heating is performed. | |||
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10 | US2008100950A1 |
Control device, control method, and storage apparatus
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Publication/Patent Number: US2008100950A1 | Publication Date: 2008-05-01 | Application Number: 11/895,464 | Filing Date: 2007-08-24 | Inventor： Mitsunaga, Nobuyuki Kanegae, Masahide Tanaka, Hiroyuki Tomita, Isamu Kondo, Masao | Assignee: Fujitsu Limited | IPC: G11B21/02 | Abstract: Upon recording, a clearance control unit performs preheating by an added control value (B+R) of a base heater control value B and an adjustment heater control value R and switches that to merely the base heater control value B when it reaches a target sector so as to perform write. Upon reproduction, preheating is performed by the added control value (B+R), and the added control value (B+R) is maintained when it reaches a target sector so as to perform read. A correction processing unit 46 detects contact (touchdown) between the head and a medium surface while gradually increasing the adjustment heater control value R from a predetermined initial value Ro, sets a value, which is obtained by subtracting a heater control value Sp converted from a minimum clearance and the initial value Ro from a contact heater control value Rtd, as the base heater control value B, and sets the initial value Ro as the adjustment heater control value R. Write assist adjustment in which the measured adjustment heater control value R is adjusted to a heater control value that improves characteristic deterioration immediately after recording is started wherein preheating is switched to write heating is performed. | |||
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11 | JP2008112515A |
CONTROL DEVICE
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Publication/Patent Number: JP2008112515A | Publication Date: 2008-05-15 | Application Number: 2006295375 | Filing Date: 2006-10-31 | Inventor： Tanaka, Hiroyuki Kondo, Masao Tomita, Isamu Kanee, Masahide Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G11B5/31 | Abstract: PROBLEM TO BE SOLVED: To provide a control device for setting the optimal heater control value | |||
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12 | JP3698940B2 |
METHOD FOR MEASURING RESISTANCE VALUE OF MAGNETORESISTANCE EFFECT ELEMENT AND CIRCUIT FOR READING SIGNAL FOR MAGNETORESISTANCE EFFECT ELEMENT
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Publication/Patent Number: JP3698940B2 | Publication Date: 2005-09-21 | Application Number: 36035399 | Filing Date: 1999-12-20 | Inventor： Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G01R33/09 | Abstract: PROBLEM TO BE SOLVED: To provide a resistance value measuring method by which the resistance value of a magnetoresistance effect element is measured with high precision. SOLUTION: A first output voltage value is detected from an amplifier 47 when a first inspection current specified by a fist current value is supplied to a resistor 45. A second output voltage value is detected | |||
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13 | JP3623650B2 |
STORAGE DEVICE
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Publication/Patent Number: JP3623650B2 | Publication Date: 2005-02-23 | Application Number: 7208898 | Filing Date: 1998-03-20 | Inventor： Uno, Koji Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G11B5/012 | Abstract: PROBLEM TO BE SOLVED: To quickly transfer an analog read signal and write data by suppressing the influence of floating capacity on transmission lines through a flexible printing circuit(FPC) to its absolute minimum. SOLUTION: A read signal from a head is amplified by a read amplifier arranged on the side of a head actuator and the amplified signal is supplied to a control board 12 by a pair of read-only transmission lines 46 through an FPC 42. A compensation circuit 118 constituted of connecting an inductor 120 to a resistor 122 in series is connected between the lines 46 to compensate deterioration in the frequency characteristic due to the floating capacity of the FPC 42 and that of the control board 12. | |||
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14 | DE19850884B4 |
Storage device for recording/reproducing information on/from a magnetic medium minimizes influence of stray capacitance on transfer path to ensure high speed transfer of analogue reading signals and writing data
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Publication/Patent Number: DE19850884B4 | Publication Date: 2004-09-16 | Application Number: 19850884 | Filing Date: 1998-11-05 | Inventor： Uno, Hiroshi Mitsunaga, Nobuyuki | Assignee: Fujitsu Limited, Kawasaki | IPC: G11B5/012 | Abstract: The device has a head actuator for positioning a head w.r.t. a disc medium | |||
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15 | US6667613B1 |
Method of measuring resistance of magnetoresistive element
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Publication/Patent Number: US6667613B1 | Publication Date: 2003-12-23 | Application Number: 09/661,759 | Filing Date: 2000-09-14 | Inventor： Mitsunaga, Nobuyuki | Assignee: Fujitsu Limited | IPC: H01L4308 | Abstract: An amplifier amplifies a potential difference appearing at sense channels. A resistor of a given resistance value and a magnetoresistive element are connected to the amplifier. First and second inspection currents of difference values are supplied to the resistor. The amplifier thus outputs a first and second voltages. The amplification characteristic or gain of the amplifier can be calculated based on the measured first and second voltages, the values of the inspection currents and the resistance of the resistor. A third inspection current is then supplied to the magnetoresistive element. The output voltage is likewise measured. The value of the third inspection current and the value of the measured output voltage in addition to the amplification characteristic enable a highly accurate determination of the value corresponding to the effective resistance of the magnetoresistive element. | |||
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16 | JP2001176007A |
METHOD FOR MEASURING RESISTANCE VALUE OF MAGNETORESISTANCE EFFECT ELEMENT AND CIRCUIT FOR READING SIGNAL FOR MAGNETORESISTANCE EFFECT ELEMENT
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Publication/Patent Number: JP2001176007A | Publication Date: 2001-06-29 | Application Number: 36035399 | Filing Date: 1999-12-20 | Inventor： Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G01R33/09 | Abstract: PROBLEM TO BE SOLVED: To provide a resistance value measuring method by which the resistance value of a magnetoresistance effect element is measured with high precision. SOLUTION: A first output voltage value is detected from an amplifier 47 when a first inspection current specified by a fist current value is supplied to a resistor 45. A second output voltage value is detected | |||
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17 | US6166872A |
Storage apparatus
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Publication/Patent Number: US6166872A | Publication Date: 2000-12-26 | Application Number: 15/770,798 | Filing Date: 1998-09-21 | Inventor： Uno, Hiroshi Mitsunaga, Nobuyuki | Assignee: Fujitsu Limited | IPC: G11B5/012 | Abstract: A read signal from a head is amplified by a read amplifier disposed on a head actuator and is fed via a pair of read only transmission paths through an FPC to a control board. The read only transmission paths are provided with a compensation circuit consisting of an inductance and a resistor which are connected in parallel. The compensation circuit compensates for degradation of frequency characteristics of a read signal attributable to stray capacitance of the FPC and to stray capacitance on the control board side. | |||
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18 | KR100276365B1 |
STORAGE APPARATUS
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Publication/Patent Number: KR100276365B1 | Publication Date: 2000-12-15 | Application Number: 19980042920 | Filing Date: 1998-10-14 | Inventor： Uno, Hiroshi Mitsunaga, Nobuyuki | Assignee: Fujitsu Limited | IPC: G11B5/012 | ||||
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19 | JPH11273012A |
STORAGE DEVICE
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Publication/Patent Number: JPH11273012A | Publication Date: 1999-10-08 | Application Number: 7208898 | Filing Date: 1998-03-20 | Inventor： Uno, Koji Mitsunaga, Nobuyuki | Assignee: FUJITSU LTD | IPC: G11B5/012 | Abstract: PROBLEM TO BE SOLVED: To quickly transfer an analog read signal and write data by suppressing the influence of floating capacity on transmission lines through a flexible printing circuit(FPC) to its absolute minimum. SOLUTION: A read signal from a head is amplified by a read amplifier arranged on the side of a head actuator and the amplified signal is supplied to a control board 12 by a pair of read-only transmission lines 46 through an FPC 42. A compensation circuit 118 constituted of connecting an inductor 120 to a resistor 122 in series is connected between the lines 46 to compensate deterioration in the frequency characteristic due to the floating capacity of the FPC 42 and that of the control board 12. | |||
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20 | DE19850884A1 |
Storage device for recording/reproducing information on/from a magnetic medium minimizes influence of stray capacitance on transfer path to ensure high speed transfer of analogue reading signals and writing data
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Publication/Patent Number: DE19850884A1 | Publication Date: 1999-09-30 | Application Number: 19850884 | Filing Date: 1998-11-05 | Inventor： Uno, Hiroshi Mitsunaga, Nobuyuki | Assignee: Fujitsu Limited, Kawasaki | IPC: G11B5/012 | Abstract: The device has a head actuator for positioning a head w.r.t. a disc medium |
3.Current Quota