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    ELECTRON BEAM GENERATOR AND IMAGE DISPLAY AND OPTICAL SIGNAL SUPPLY DEVICE USING THE SAME
    97.
    发明专利
    ELECTRON BEAM GENERATOR AND IMAGE DISPLAY AND OPTICAL SIGNAL SUPPLY DEVICE USING THE SAME 失效

    公开(公告)号：JPH04137329A

    公开(公告)日：1992-05-12

    申请号：JP25681290

    申请日：1990-09-28

    Applicant: CANON KK

    Inventor： MISHINA SHINYA ,  ONO HARUTO ,  NOMURA ICHIRO ,  SUZUKI HIDETOSHI ,  KANEKO TETSUYA

    IPC: H01J31/12 ,  B41J2/44 ,  G02F1/136 ,  G03G15/04 ,  H01J1/30 ,  H01J1/316 ,  H01J3/08 ,  H01J29/04 ,  H01J29/46 ,  H01J29/52

    Abstract: PURPOSE:To improve the yield of products due to misalignment or, etc., and obtain precise, uniform image displays and optical signals by integrally forming a modulating electrode and an electron emission element on a board and differentiating the film thickness of an insulation layer under an electron emission section from that in other areas. CONSTITUTION:A resist is formed on an insulating board 1. After Ti as under- coating material and Ni as modulating electrode material evaporated all over, a modulating electrode pattern 2 is formed. A resist pattern is formed to make a modulating electrode layer thin in part. Ni at the lower part of electron emission elements 3, 4 is given about 4000Angstrom etching. The resist is peeled to obtain the desired modulating electrode pattern 2. SiO2 for an insulation layer 5 is given mask-deposition as necessary. After pre-protecting the area where SiO2 is not laminated, the surface of SiO2 is made flat using ion mealing. An element electrode pattern 3 of SCE is formed above the electrode 2. Cr is evaporated all over to remove only Cr near the electron emission section 4. Organic palladium as emission material is formed all over. Patterning Cr is etched out.

    ELECTRON BEAM GENERATOR
    98.
    发明专利
    ELECTRON BEAM GENERATOR 失效

    公开(公告)号：JPH04132139A

    公开(公告)日：1992-05-06

    申请号：JP25170090

    申请日：1990-09-25

    Applicant: CANON KK

    Inventor： KANEKO TETSUYA ,  NOMURA ICHIRO ,  MISHINA SHINYA ,  ONO HARUTO ,  SUZUKI HIDETOSHI

    IPC: H01J3/08 ,  H01J1/30 ,  H01J1/316 ,  H01J29/04 ,  H01J29/46 ,  H01J29/52 ,  H01J31/12

    Abstract: PURPOSE:To make the precise positioning of constituent members unnecessary, by putting in layers electron discharge elements on a conductive base through an insulation body, and also providing voltage impressing means which are separate from and independent of the above elements and the above base. CONSTITUTION:An insulation film 2 is formed on the surface of a conductive base 1, and wiring electrodes 3a, 3b consisting of conductive films are formed on it. Element electrodes 4 having electrode narrow gaps are connected to the wiring electrodes, and electron discharge materials are arranged at the gap portions, and electron discharge portions are formed. As a result, the base 1 itself becomes a modulating electrode, so the precise positioning of constituent members is made unnecessary, and a line electron source of a long length can be formed with a simple process.

    FLAT BOARD TYPE DISPLAY DEVICE
    99.
    发明专利
    FLAT BOARD TYPE DISPLAY DEVICE 失效

    公开(公告)号：JPH04104438A

    公开(公告)日：1992-04-06

    申请号：JP22098590

    申请日：1990-08-24

    Applicant: CANON KK

    Inventor： SUZUKI HIDETOSHI ,  NOMURA ICHIRO ,  ONO HARUTO ,  KANEKO TETSUYA

    IPC: G09G3/22 ,  G09G3/20 ,  H01J1/30 ,  H01J1/316 ,  H01J3/08 ,  H01J31/12 ,  H01J31/15

    Abstract: PURPOSE:To prevent contrast lowering and crosstalk of a picture due to spike- shaped voltage by providing electron beams to be emitted from an electron emitting element array with a modulation grid and timely impressing cut-off voltage. CONSTITUTION:A timing control circuit 103 changes the contents of output of a line memory 105 every one line synchronously with the serial picture data to be inputted into a shift register 104. On the other hand, aforesaid control circuit generates control signals to the switching element array 102 to drive in sequence, however generating spike--shaped impression voltage due to characteristic diversity of the switching elements S1 to Sm+1. There, by inputting cut-off timing signals to a gate array 106 ranging at least 100 n s, a modulation grid cuts-off needless electron beams by a modulation grid. Thereby, lowering of brightness contrast and crosstalk can perfectly be removed.

    ELECTRON EMITTING DEVICE
    100.
    发明专利
    ELECTRON EMITTING DEVICE 失效

    公开(公告)号：JPS63150837A

    公开(公告)日：1988-06-23

    申请号：JP29768286

    申请日：1986-12-16

    Applicant: CANON KK

    Inventor： SUZUKI AKIRA ,  TSUKAMOTO TAKEO ,  SHIMIZU AKIRA ,  SUGATA MASAO ,  SHIMODA ISAMU ,  OKUNUKI MASAHIKO

    IPC: H01J3/08 ,  H01J1/30 ,  H01J1/308 ,  H01J1/312 ,  H01J1/316 ,  H01J3/02 ,  H01J3/18 ,  H01J29/48

    Abstract: PURPOSE:To allow high integration by providing a control electrode on an electron emitting source via an insulating layer and providing a focusing electrode on this electrode via an insulating layer. CONSTITUTION:An insulating layer 1b and a metal layer 1c are partially laminated on a substrate electrode 1a to form an electron emitting element. The layer 1c is separated from the other region by an insulating region 1d. A control electrode 3 is provided on the region 1d via an insulating layer 2, and a focusing electrode 5 is provided on the electrode 3 via an insulating layer 4. According to this constitution, the ON-OFF of the electrons emitted from the layer 1c is controlled by the electrode 3. In addition, the ON-OFF of the electrons emitted from the layer 1c is controlled by the electrode 5. Accordingly, the electrode 3 and electrode 5 can be integrally manufactured on the same substrate, and high integration is allowed.

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