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    • 72. 发明授权
    • Optical semiconductor device and method for manufacturing the same
    • 光半导体装置及其制造方法
    • US07713765B2
    • 2010-05-11
    • US12180801
    • 2008-07-28
    • Takeshi SakashitaMasanori Saito
    • Takeshi SakashitaMasanori Saito
    • H01L21/00
    • H01S5/162B82Y20/00H01S5/22H01S5/34326H01S2301/176
    • A method for manufacturing a semiconductor device having a compound semiconductor layer that is provided on a substrate and includes a cladding layer of a first conductivity type, an activation layer, a cladding layer of a second conductivity type that is the opposite of the first conductivity type, includes the steps of: forming a diffusion source layer on the compound semiconductor layer; forming a first diffusion region in the compound semiconductor layer by carrying out a first heat treatment, so that the first diffusion region includes a light emitting facet for emitting light from the activation layer; removing the diffusion source layer; forming a first SiN film having a refractive index of 1.9 or higher on the compound semiconductor layer; and turning the first diffusion region into the second diffusion region by carrying out a second heat treatment.
    • 一种具有化合物半导体层的半导体器件的制造方法,所述半导体器件具有设置在基板上并且包括第一导电类型的包覆层,活化层,与第一导电类型相反的第二导电类型的包覆层 包括以下步骤:在化合物半导体层上形成扩散源层; 通过进行第一热处理在所述化合物半导体层中形成第一扩散区域,使得所述第一扩散区域包括用于从所述活化层发射光的发光面; 去除扩散源层; 在化合物半导体层上形成折射率为1.9以上的第一SiN膜; 以及通过进行第二热处理将所述第一扩散区域转入所述第二扩散区域。
    • 76. 发明授权
    • Method of manufacturing polycarbonate
    • 制造聚碳酸酯的方法
    • US5717057A
    • 1998-02-10
    • US581639
    • 1995-12-28
    • Takeshi SakashitaTomoaki ShimodaTakashi Nagai
    • Takeshi SakashitaTomoaki ShimodaTakashi Nagai
    • C08G64/30C08G64/40C08G64/00
    • C08G64/307
    • A method for manufacturing polycarbonate in which an aromatic dihydroxy compound and a carbonic acid diester can be effectively subjected to melt polycondensation using a small amount of a catalyst, making it possible to manufacture polycarbonate having outstanding color matching, outstanding thermal stability, color-matching stability, etc., during molding, and outstanding water resistance is characterized in that when an aromatic dihydroxy compound and a carbonic acid diester are subjected to melt polycondensation in the presence of a catalyst, the catalyst is dissolved or dispersed as a catalyst solution, this catalyst solution is added to the melt polycondensation reaction system, and the aromatic dihydroxy compound and carbonic acid diester are subjected to melt polycondensation.
    • 可以使用少量催化剂将芳族二羟基化合物和碳酸二酯有效地进行熔融缩聚的聚碳酸酯的制造方法,能够制造出色的匹配性,突出的热稳定性,色匹配稳定性的聚碳酸酯 等等,并且优异的耐水性的特征在于当芳族二羟基化合物和碳酸二酯在催化剂存在下进行熔融缩聚时,催化剂作为催化剂溶液溶解或分散,该催化剂 将溶液加入到熔融缩聚反应体系中,芳族二羟基化合物和碳酸二酯进行熔融缩聚反应。
    • 78. 发明授权
    • Preparation method of polycarbonate resin
    • 聚碳酸酯树脂的制备方法
    • US5606008A
    • 1997-02-25
    • US506280
    • 1995-07-21
    • Takeshi SakashitaTomoaki ShimodaTakashi Nagai
    • Takeshi SakashitaTomoaki ShimodaTakashi Nagai
    • C08G59/40C08G64/20C08G64/30C08G64/40C08G64/42C08G64/00B01J27/24B01J31/00
    • C08G64/307
    • The purpose of the present invention is to provide a method for manufacturing polycarbonate in which polycarbonate having outstanding color matching, outstanding thermal properties, particularly retention stability during molding, and outstanding water resistance can be effectively and easily manufactured.In the method for manufacturing polycarbonate of the present invention, an aromatic dihydroxy compound and a carbonic acid ester are subjected to melt condensation polymerization in the presence of a catalyst composed of(a) an aliphatic amine with 24-60 carbon atoms, and (b) an alkali metal compound and/or alkaline earth metal compound.The (a) aliphatic amine having 24-60 carbon atoms should preferably be an aliphatic tertiary amine and be used in the amount of 1.times.6.sup.-6 -1.times.10.sup.-1 moles for each mole of the aromatic dihydroxy compound, and the (b) alkali metal compound and/or alkaline earth metal compound should be used in an extremely minute specified amount.
    • 本发明的目的是提供一种制造聚碳酸酯的方法,其中可以有效且容易地制造其中具有优异的颜色匹配,优异的热性能,特别是成型时的保持稳定性和优异的耐水性的聚碳酸酯。 在本发明的聚碳酸酯的制造方法中,在(a)具有24-60个碳原子的脂族胺和(b)的催化剂的存在下,使芳族二羟基化合物和碳酸酯进行熔融缩聚 )碱金属化合物和/或碱土金属化合物。 (a)具有24-60个碳原子的脂族胺应优选为脂族叔胺,并且每摩尔芳族二羟基化合物的用量为1x6-6-1×10-1摩尔,而(b)碱金属 化合物和/或碱土金属化合物应以极微小的指定量使用。