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    Process for producing optoelectric articles
    1.
    发明授权
    Process for producing optoelectric articles 失效
    光电制品生产工艺

    公开(公告)号：US5517942A

    公开(公告)日：1996-05-21

    申请号：US408390

    申请日：1995-03-22

    申请人： Tsuguo Fukuda ,  Yasunori Okano ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    发明人： Tsuguo Fukuda ,  Yasunori Okano ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    IPC分类号： G02F1/03 ,  C30B19/00 ,  C30B19/02 ,  C30B29/30 ,  G02B6/132 ,  C30B19/12

    CPC分类号： G02B6/132 ,  C30B19/02 ,  C30B29/30

    摘要： A process for producing optoelectric articles, in which an optoelectric single crystal film is formed on an optoelectric single crystal substrate, is disclosed. The optoelectric single crystal substrate is exposed to a liquid phase in a supercooling state of a melt including a solute and a melting medium, and the optoelectric single crystal film is formed by a liquid phase epitaxial process. In this case, a viscosity of the liquid phase is set to 75%.about.95% preferably 75%.about.90% with respect to a viscosity at which a degree of supercooling of the liquid phase is zero.

    摘要翻译： 公开了一种在光电单晶衬底上形成光电单晶膜的光电器件的制造方法。 将光电单晶基板暴露于包含溶质和熔融介质的熔融物的过冷状态的液相，通过液相外延工艺形成光电单晶膜。 在这种情况下，相对于液相的过冷度为零的粘度，液相的粘度被设定为75％差异95％，优选75％差异90％。

    Process and an apparatus for producing a composite oxide single crystal body
    2.
    发明授权
    Process and an apparatus for producing a composite oxide single crystal body 失效
    复合氧化物单晶体的制造方法和装置

    公开(公告)号：US6074477A

    公开(公告)日：2000-06-13

    申请号：US41479

    申请日：1998-03-12

    申请人： Minoru Imaeda ,  Tsuguo Fukuda ,  Kiyoshi Shimamura ,  Tatsuo Kawaguchi

    发明人： Minoru Imaeda ,  Tsuguo Fukuda ,  Kiyoshi Shimamura ,  Tatsuo Kawaguchi

    IPC分类号： G02B6/00 ,  C30B15/00 ,  C30B15/08 ,  C30B29/28 ,  C30B29/30 ,  G02B6/02 ,  G02F1/35 ,  G02F1/355 ,  H01S3/06 ,  H01S3/16 ,  C30B15/34

    CPC分类号： C30B15/08 ,  C30B15/00 ,  C30B29/28 ,  C30B29/30 ,  C30B29/32 ,  G02B6/02 ,  Y10S117/91 ,  Y10T117/1032

    摘要： A process is disclosed for producing an integrated composite oxide single crystal body composed of a core portion made of an oxide single crystal and a clad portion integrated with the core portion and made of another oxide single crystal having a composition different from that of the oxide single crystal constituting the core portion, the process comprising the steps of: (1) preparing a first melt in a first crucible by melting a first material for a first oxide single crystal to constitute the core portion inside the first crucible, (2) preparing a second melt inside a second crucible by melting a second material for a second oxide single crystal to constitute the clad portion inside the second crucible, (3) contacting a seed crystal to the first and second melts, (4) pulling down the first melt through a pull-out opening of the first crucible, (5) pulling down the second melt through a pull-out opening of the second crucible and contacting the pulled-down second melt with a pulled-down portion of the first melt, and (6) integrally pulling down the first and second melts.

    摘要翻译： 公开了一种制造由由氧化物单晶构成的芯部和与芯部形成一体的包层部组成的集成复合氧化物单晶体的方法，该复合氧化物单晶体由具有不同于氧化物单体的组成的另一氧化物单晶制成 构成芯部的晶体，该方法包括以下步骤：（1）通过熔化第一氧化物单晶的第一材料在第一坩埚中制备第一熔体以构成第一坩埚内的芯部，（2）制备 通过熔化用于第二氧化物单晶的第二材料以在第二坩埚内部构成包层部分，在第二坩埚内熔化第二坩埚，（3）将晶种接触第一和第二熔体，（4）将第一熔体通过 第一坩埚的拉出开口，（5）通过第二坩埚的拉出口拉下第二熔体并将下拉的第二熔体与拉出的第二熔体接触， 第一熔体的下降部分，以及（6）一体地拉下第一和第二熔体。

    Process for producing a lithium niobate-lithium tantalate single crystal substrate
    4.
    发明授权
    Process for producing a lithium niobate-lithium tantalate single crystal substrate 失效
    铌酸锂 - 钽酸锂单晶基板的制造方法

    公开(公告)号：US5650006A

    公开(公告)日：1997-07-22

    申请号：US473964

    申请日：1995-06-07

    申请人： Tatsuo Kawaguchi ,  Minoru Imaeda ,  Tsuguo Fukuda

    发明人： Tatsuo Kawaguchi ,  Minoru Imaeda ,  Tsuguo Fukuda

    IPC分类号： C30B19/02

    CPC分类号： C30B19/02 ,  C30B29/30

    摘要： A film made of lithium niobate-lithium tantalate solid solution may be formed on a single crystal substrate having a composition of LiNb.sub.1-z Ta.sub.z O.sub.3 (0.ltoreq.z

    摘要翻译： 可以通过液相外延法在具有LiNb1-zTazO3（0≤z≤0.8）组成的单晶衬底上形成由铌酸锂 - 钽酸锂固溶体制成的薄膜。 将基底与熔体的过冷液相接触以在其上产生膜。 熔体主要由Li2O3，Nb2O5，Ta2O5和助熔剂组成。 液相的组成在由连接点A（95,5,0）和点B（95,2,3））的直线K包围的区域内，连接点A（95， 5，0）和点C（60,40,0），连接点C（60,40,0）和点D（60,0,40）的直线H，连接点 B（95,2,3）和点E（0,40,60）以及限定饱和温度不超过1200℃的组成的曲线I.每条线以伪线的三角图示出， 三元体系LiNbO3-LiTaO3-一种熔融介质。 固溶体的组成优选为LiNb1-xTaxO3（0≤x≤0.8，z

    Optoelectric articles and a process for producing the same
    6.
    发明授权
    Optoelectric articles and a process for producing the same 失效
    光电制品及其制造方法

    公开(公告)号：US5539569A

    公开(公告)日：1996-07-23

    申请号：US411413

    申请日：1995-03-27

    申请人： Tsuguo Fukuda ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    发明人： Tsuguo Fukuda ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    IPC分类号： G02F1/03 ,  C30B19/00 ,  C30B19/02 ,  C30B29/30 ,  G02B6/12 ,  G02B6/13 ,  G02F1/00 ,  G02B6/10

    CPC分类号： G02B6/131 ,  C30B19/02 ,  C30B29/30 ,  G02B2006/12042

    摘要： According to the invention, a film of optoelectric single crystal may be formed on a substrate made of optoelectric single crystal by a liquid phase epitaxial process. The process comprises the steps of producing a melt of a solute and a melting medium, a solid phase and a liquid phase coexisting in the melt; then cooling the liquid phase for producing super cooling state in the liquid phase; and contacting the substrate to the liquid phase to form the film on the substrate by an epitaxial growing process. The film may be produced on the substrate, the film having a half value width of an X-ray rocking curve not more than that of the substrate.

    摘要翻译： 根据本发明，可以通过液相外延工艺在由光电单晶制成的基板上形成光电单晶膜。 该方法包括以下步骤：在熔体中共熔融溶质和熔融介质，固相和液相的熔体; 然后冷却液相以在液相中产生超冷却状态; 并将衬底接触液相，通过外延生长工艺在衬底上形成膜。 膜可以在基板上制造，该膜具有不大于基板的X射线摇摆曲线的半值宽度。

    Optical waveguide substrate, optical waveguide device, second harmonic generation device, and process of producing optical waveguide substrate
    9.
    发明授权
    Optical waveguide substrate, optical waveguide device, second harmonic generation device, and process of producing optical waveguide substrate 失效
    光波导基板，光波导装置，二次谐波发生装置以及光波导基板的制造工序

    公开(公告)号：US5991067A

    公开(公告)日：1999-11-23

    申请号：US922565

    申请日：1997-09-03

    申请人： Makoto Minakata ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    发明人： Makoto Minakata ,  Tatsuo Kawaguchi ,  Minoru Imaeda

    IPC分类号： G02B6/12 ,  G02B6/122 ,  G02F1/035 ,  G02F1/37 ,  G02F1/377

    CPC分类号： G02F1/035 ,  G02B6/122 ,  G02F1/3775 ,  G02B2006/12097

    摘要： An optical waveguide substrate having a substrate made of ferroelectric optical single crystal and a ridge portion projected from a main plane of the substrate, has a construction such that the ridge portion has a base portion made of ferroelectric optical single crystal and an optical waveguide formed on the base portion. The optical waveguide substrate is formed by forming at least one optical waveguide layer on a main plane of a substrate made of ferroelectric optical single crystal, and mechanically working main planes of the optical waveguide layer and the substrate to form a ridge portion projected from the main plane of the substrate. The optical waveguide substrate can reduce a light transmission loss, increase an extinction ratio, and improve an electric field applying efficiency.

    摘要翻译： 具有由铁电光学单晶构成的基板和从基板的主面突出的脊部的光波导基板具有这样的结构，使得该脊部具有由铁电光学单晶构成的基部和形成在 基部。 光波导基板通过在由铁电光学单晶制成的基板的主平面上形成至少一个光波导层，以及在光波导层和基板的机械加工主平面上形成从主体突出的脊部 基板的平面。 光波导基板可以减少光传输损耗，提高消光比，提高电场施加效率。