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    • 6. 发明授权
    • Process for producing single crystal silicon wafers
    • 制造单晶硅片的工艺
    • US07077901B2
    • 2006-07-18
    • US10402214
    • 2003-03-31
    • Katsumi NakagawaTakao YoneharaKazuaki OhmiShoji Nishida
    • Katsumi NakagawaTakao YoneharaKazuaki OhmiShoji Nishida
    • C30B19/02
    • C30B19/12C30B19/02C30B29/06
    • A process for producing a single crystal silicon wafer, comprising the steps of forming a porous layer on a single crystal silicon substrate comprising a silicon whose concentration of mass number 28 silicon isotope is less than 92.5% on an average; dissolving a starting silicon whose concentration of mass number 28 silicone isotope whose mass number is more than 98% on an average in a melt for liquid-phase epitaxy until said starting silicon becomes to be a supersaturated state in said melt under reductive atmosphere maintained at high temperature: immersing said single crystal silicon substrate in said melt to grow a single crystal silicon layer on the surface of said porous layer of said single crystal silicon substrate; and peeling said single crystal silicon layer from a portion of said porous layer.
    • 一种制造单晶硅晶片的方法,包括以下步骤:在单晶硅衬底上形成多孔层,该单晶硅衬底包含平均浓度为28%硅同位素的硅的浓度小于92.5%的硅; 将其质量数为28的硅同位素的质量数大于98%的起始硅溶解在用于液相外延的熔体中,直到所述起始硅在所述熔体中在还原气氛保持在高温下变为过饱和状态为止 温度:将所述单晶硅衬底浸入所述熔体中以在所述单晶硅衬底的所述多孔层的表面上生长单晶硅层; 以及从所述多孔层的一部分剥离所述单晶硅层。
    • 7. 发明授权
    • Liquid-phase growth process and liquid-phase growth apparatus
    • 液相生长过程和液相生长装置
    • US07048797B2
    • 2006-05-23
    • US10665075
    • 2003-09-22
    • Masaki MizutaniTakehiko YoshinoShoji Nishida
    • Masaki MizutaniTakehiko YoshinoShoji Nishida
    • C30B19/06
    • C30B19/06C30B19/02C30B29/28
    • A liquid-phase growth process for continuously growing a crystal film on a plurality of substrates with respect to their one side surfaces, characterized in that said plurality of substrates are kept afloat on the surface of a flowing solution for liquid-phase epitaxy which comprises a crystallizing material dissolved in a solvent in a supersaturated state and which is flowing in a solution flow passage, and while said plurality of substrates being moved by virtue of said flowing solution in said solution flow passage, a crystal film is grown on the surfaces of said plurality of substrates which are in contact with said flowing solution. A liquid-phase growth apparatus suitable for practicing said liquid-phase growth process.
    • 一种用于相对于其一个侧表面在多个基板上连续生长晶体膜的液相生长方法,其特征在于,所述多个基板保持在用于液相外延的流动溶液的表面上,所述流动溶液包括 结晶材料溶解在过饱和状态的溶剂中,并且在溶液流动通道中流动,并且当所述多个基板通过所述流动溶液在所述溶液流动通道中移动时,在所述溶液流动通道的表面上生长晶体膜 与所述流动溶液接触的多个基板。 适用于实施所述液相生长过程的液相生长装置。