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71. 发明专利

JPH04299579A PHOTOELECTRIC TRANSDUCER 失效
公开(公告)号：JPH04299579A
公开(公告)日：1992-10-22
申请号：JP8575391
申请日：1991-03-27
申请人： CANON KK
发明人： YAMANOBE MASATO , TAKEDA SHINICHI , SAIGA TOSHIHIRO , KOBAYASHI ISAO , ISHII TAKAYUKI
IPC分类号： H01L31/0264 , H01L31/10
摘要： PURPOSE:To obtain a photoelectric transducer wherein photo current and optical response speed are large, and formation is easy. CONSTITUTION:The title element has the following; an insulating layer 16, a photoconductive semiconductor layer 12 in contact with the layer 16, a first electrode 14, a second electrode 14' which electrodes are in contact with the layer 12, and a third electrode 15 in contact with the layer 16. The forbidden bandwidth of the photoconductive layer 12 on the side of the insulating layer 16 is different from the bandwidth on the side of the first electrode 14 and the second electrode 14' side. Layers 13, 13' are ohmic contact layers.

72. 发明专利

JPH04245853A PICTURE READER 失效
公开(公告)号：JPH04245853A
公开(公告)日：1992-09-02
申请号：JP2921491
申请日：1991-01-31
申请人： CANON KK
发明人： MURATA MASAYOSHI , HAMAMOTO OSAMU , KOBAYASHI ISAO
IPC分类号： H01L27/146 , H04N1/028
摘要： PURPOSE:To simplify a manufacturing process, and to obtain a picture reader with a favorable original running surface by providing a translucent protective layer with an opening part, and connecting electrically wiring on a translucent base body and a static electricity countermeasure layer. CONSTITUTION:The static electricity countermeasure layer 15 consisting of a translucent conductor layer (or nontranslucent conductor layer provided with window) is formed between a passivation layer 11 and a wear resisting layer 8. This countermeasure layer 15 and a ground electrode 51 on a base board 10 are connected electrically by conductive resin 50. Here, the passivation layer 11, a shock mitigation layer 12, and adhesive 9 constitute the translucent protective layer. In order to realize this constitution, the passivation layer 11 and the mitigation layer 12 on the ground electrode are provided with the opening part so that the electrode surface of the ground electrode 51 is exposed.

73. 发明专利

JPH04172760A PICTURE READER 失效
公开(公告)号：JPH04172760A
公开(公告)日：1992-06-19
申请号：JP29992390
申请日：1990-11-07
申请人： CANON KK
发明人： KOBAYASHI ISAO , SAIGA TOSHIHIRO , ISHII TAKAYUKI , TAKEDA SHINICHI , YAMANOBE MASATO
IPC分类号： H01L27/146 , H04N1/028
摘要： PURPOSE:To enhance the reliability in a signal storage means by optimizing a voltage fed to a capacitor and a voltage application time in two states of charge storage state and charge depletion state in an MIS structure capacitor so as to use alternately the two states. CONSTITUTION:A change in a flat band voltage is suppressed to a degree by setting a proper time ratio and a proper voltage in storage and depletion states in an MIS capacitors C1-C9. The MIS storage capacitors C1-C9 in the picture reader are used alternately in the storage state and the depletion state to decrease a change in a VFB the operation for nearly 200 hours is attained at a high temperature and the charge being a valid picture signal is stored only in the storage state to almost halve the occupied area of the storage capacitor in comparison with that of a conventional system, and the small sized picture reader at a low cost is realized.

74. 发明专利

JPH04172758A DRIVING METHOD FOR PICTURE READER 失效
公开(公告)号：JPH04172758A
公开(公告)日：1992-06-19
申请号：JP29992190
申请日：1990-11-07
申请人： CANON KK
发明人： KOBAYASHI ISAO , SAIGA TOSHIHIRO , ISHII TAKAYUKI , TAKEDA SHINICHI , YAMANOBE MASATO
IPC分类号： H01L27/146 , H01L27/12 , H01L29/78 , H01L29/786 , H04N1/028
摘要： PURPOSE:To enhance the reliability of a thin film transistor(TR) (TFT) switch means and to improve the performance of a picture reader by optimizing a voltage fed to a drain electrode and a gate electrode and a voltage application time in two states of charge storage state and charge depletion state. CONSTITUTION:A change in a VTH in the charge storage state of TFTT1-T9 and a change in a VTH in the charge depletion state of the TFTT1-T9 whose changing direction is inverse are made almost equal to each other by optimizing the voltage applied to the drain electrode and the gate electrode and the voltage application time in the two states of the charge storage state and the charge depletion state of the TFTT1-T9 in the picture reader. Thus, a final change in the VTH of the TFT is decreased, the reliability of the TFT switch means is enhanced to improve the performance of the picture reader and the yield of the reliability of the picture reader is improved at the same time.

75. 发明专利

JPH04168870A PICTURE READER 失效
公开(公告)号：JPH04168870A
公开(公告)日：1992-06-17
申请号：JP29364390
申请日：1990-11-01
申请人： CANON KK
发明人： KOBAYASHI ISAO , SAIGA TOSHIHIRO , ISHII TAKAYUKI , TAKEDA SHINICHI , YAMANOBE MASATO
IPC分类号： H04N1/028 , H04N1/04 , H04N1/19
摘要： PURPOSE:To arrange the timing of all photoelectric conversion equipment by simultaneously and completely extracting signals stored in a 1st storage means, simultaneously discharging residual charges, transferring the signal to a 3rd storage means for each block and sequentially extracting a signal. CONSTITUTION:With a light made incident in optical sensors E1-E9, a charge is stored in capacitors C1-C9 in response to the intensity of the light. Then switching TRs ST1-ST9 are turned on and the charge is transferred to capacitors CT1-CT9. Succeedingly, switching TRs SR1-SR9 are simultaneously turned on and residual charge of the capacitors C1-C9 is completely discharged. The charge in existence in the capacitors CT1-CT9 and equal to the signal charge is transferred to capacitors CL1-CL9 by sequentially turning on switching TRs T1-T3, T4-T6 and T7-T9 by each block and read sequentially by switching TRs T10-T12.

76. 发明专利

JPH02226860A PHOTOELECTRIC CONVERTER 失效
公开(公告)号：JPH02226860A
公开(公告)日：1990-09-10
申请号：JP4514689
申请日：1989-02-28
申请人： CANON KK
发明人： SAIGA TOSHIHIRO , UMIBE NORIYUKI , ENDO TADAO , KOBAYASHI ISAO , SHIMADA TETSUYA
IPC分类号： H04N1/028 , H01L27/146
摘要： PURPOSE:To prevent crosstalk between common use readout wires by arranging the common use gate wire between common use readout wires so as to act the common use gate wire like a shield wire. CONSTITUTION:The converter consists of a drive circuit 1, blocks 2-1-2-n, a readout circuit 3, a power supply 4 and wire groups 5, 6. Then a gate wire to operate a switch section in one and same block is used in common for plural switch sections and readout wires from the switch section for each sensor element corresponding to each block are used in common in a form of a matrix and the gate wire is arranged between adjacent common use readout wires of the matrix wire. The common use gate wire is arranged between the common use readout wires in this way to act the gate wire like a shield wire, then the capacitive coupling between the common use readout wires is eliminated thereby reducing crosstalk.

77. 发明专利

JPH02226767A PHOTOELECTRIC CONVERSION DEVICE 失效
公开(公告)号：JPH02226767A
公开(公告)日：1990-09-10
申请号：JP4514889
申请日：1989-02-28
申请人： CANON KK
发明人： ENDO TADAO , UMIBE NORIYUKI , SAIGA TOSHIHIRO , KOBAYASHI ISAO , SHIMADA TETSUYA
IPC分类号： H01L27/146 , H01L27/14 , H01L29/78 , H01L29/786
摘要： PURPOSE:To prevent a reflected light from a manuscript from entering a semiconductor layer at an intersecting part, when picture image on the manuscript is to be read, block the change of capacitance of the intersecting part, and evade the increase of crosstalk, by arranging a light shielding material member at the part where individual signal wirings and common signal wirings intersect each other. CONSTITUTION:A photoelectric transducer part 1, a storage capacitor part 2, a TFT part 3, and a matrix signal wiring part 5 are formed on a substrate 7, and the upper part of the wiring part 5 is covered with a protective layer 16. In this constitution, a light shielding part 17 is arranged on the upper part of the protective layer 16, thereby preventing a reflected light from a manuscript P from entering a semiconductor layer 13 at a part where individual signal electrodes 11 of the wiring part 5 and common signal wirings 15 intersect each other. While the light shielding part 17 have only to cut off light, metallic material is desirable not to be used, in order not to generate capacitive coupling between the wirings 15 and the light shielding part 17. At the time of reading, optical information which has entered the transducer part 1 becomes a voltage output after passing the capacitance part 2, the transferring TFT part 3, a reset TFT, and the wiring part 5, but this does not exert an adverse influence upon the intersecting part.

78. 发明专利

JPH02219269A SEMICONDUCTOR DEVICE AND PHOTOELECTRIC CONVERTER USING SAME 失效
公开(公告)号：JPH02219269A
公开(公告)日：1990-08-31
申请号：JP3923989
申请日：1989-02-21
申请人： CANON KK
发明人： KOBAYASHI ISAO , UMIBE NORIYUKI , SAIGA TOSHIHIRO , ENDO TADAO , SHIMADA TETSUYA
IPC分类号： H01L27/146
摘要： PURPOSE:To prevent occurrence of crosstalk between output signals by constituting matrix wiring to a laminated structure composed at least of the first conductor layer, the first insulating layer, the second conductor layer, the second insulating layer, a semiconductor layer, and the third conductor layer in the described order. CONSTITUTION:In matrix wiring section 5, individual signal lines 22 composed of the first conductor layers, the first insulating layers 23 covering the individual signal lines, the second conductor layers 24 which maintain electric potential at a fixed level, the second insulating layers 25 formed on the layers 24, semiconductor layers 26, ohmic contact layers 27, and common signal lines 37 which intersect the individual signal lines 22 and are composed of conductor layers are successively piled up on a base body 8. When the section 5 is constituted in such way, the level difference of the insulating layer 25 with its underlying layer and the thickness of the layer 25 are reduced, resulting in easier formation of contact holes 38. Therefore, occurrence of crosstalk between output signals is prevented and this photoelectric converter can be reduced in size.

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