Novel lithium niobate single crystal film structure
    2.
    发明授权
    Novel lithium niobate single crystal film structure 失效
    新型铌酸锂单晶膜结构

    公开(公告)号:US3867012A

    公开(公告)日:1975-02-18

    申请号:US46476374

    申请日:1974-04-29

    Applicant: RCA CORP

    Inventor: PHILLIPS WILLIAM

    CPC classification number: C30B19/00

    Abstract: A film of a single crystal lithium niobate film on a platinum coated lithium tantalate crystal can be prepared by depositing a thin layer of platinum on a polished lithium tantalate crystal surface, depositing a layer of finely divided lithium niobate on the platinum and fusing the lithium niobate. Such films are useful in optical waveguide electro-optic modulators and acoustic surface wave devices.

    Abstract translation: 在铂包覆的钽酸锂晶体上的单晶铌酸锂薄膜可以通过在抛光的钽酸锂晶体表面上沉积一层铂,在铂上沉积一层精细分散的铌酸锂并将铌酸锂熔合 。 这种膜在光波导电光调制器和声表面波装置中是有用的。

    Crystals for recording phase holograms
    3.
    发明授权
    Crystals for recording phase holograms 失效
    用于记录相位全息图的晶体

    公开(公告)号:US3915549A

    公开(公告)日:1975-10-28

    申请号:US46360774

    申请日:1974-04-24

    Applicant: RCA CORP

    CPC classification number: G02F1/0541 G03H1/02 G03H2260/54

    Abstract: Single crystal electro-optic material useful for recording phase holograms consists of lithium niobate doped with iron or manganese or lithium tantalate doped with iron. These crystals may also contain other dopants together with the iron or manganese.

    Abstract translation: 用于记录相位全息图的单晶电光材料由掺杂有铁或锰的铌酸锂或掺杂有铁的钽酸锂构成。 这些晶体还可以含有与铁或锰一起的其它掺杂剂。

    Photochromic image device
    4.
    发明授权
    Photochromic image device 失效
    光电影像设备

    公开(公告)号:US3598750A

    公开(公告)日:1971-08-10

    申请号:US3598750D

    申请日:1969-11-17

    Applicant: RCA CORP

    Inventor: PHILLIPS WILLIAM

    CPC classification number: H01J29/14 B01J20/186 C01B33/2892 C09K9/00

    Abstract: AN IMAGE DISPLAY AND STORAGE DEVICE HAS A PHOTOCHROMIC IMAGE SCREEN CONSISTING OF SODALITE HAVING THE BASIC CHEMICAL COMPOSITION NA6A16SI6O24-2NAX WHEREIN X IS AT LEAST ONE HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE AND WHEREIN THE SODALITE CONTAINS FROM AT LEAST 50 PARTS PER MILLION OF IRON UP TO THE SOLUBILITY LIMIT OF IRON IN THE SODALITE. THE SODALITE IS ANNEALED IN A REDUCING ATMOSPHERE TO PRODUCE ITS PHOTOCHROMIC PROPERTIES. SUCH AN IMGE SCREEN DARKENS UPON EXPOSURES TO ULTRAVIOLET LIGHT OR CATHODE RAY EXCITATION. AN ESPECIALLY HIGH CONTRAST RATIO IMAGE SCREEN CAN BE ATTAINED UTILIZING SODALITE DOPED WITH IRON WHICH IS TREATED BY HEATING THE SODALITE IN A FUSED ALKALI HALIDE SALT BATH.

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