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    • 1. 发明专利
    • Mems device employing soi wafer, its fabrication process and grounding method
    • 采用SOI WAFER的MEMS器件及其制造工艺及接地方法
    • JP2005197266A
    • 2005-07-21
    • JP2003182519
    • 2003-06-26
    • Samsung Electro Mech Co Ltd三星電機株式会社
    • PARK KYU YEONKIM KI HOON
    • G01P15/00B81B7/00G01P15/08H01L21/00H01L27/01H01L27/12H01L29/84H01L31/0392
    • B81B7/0006
    • PROBLEM TO BE SOLVED: To provide an MEMS (Micro-Electro Mechanical Systems, hereinafter referred to as "MEMS") device employing such an SOI (Silicon on Insulator) wafer as the ground hole of the device and a handle wafer are coupled electrically through a simple process without requiring any extra step, and also to provide its fabrication process and grounding method.
      SOLUTION: The MEMS device 40 sandwiching an insulation layer between upper and lower silicon layers comprises: a first silicon layer 41; an insulation layer 42 formed on the first silicon layer 41; a second silicon layer 43 formed on the insulation layer 42; a protective layer 44 formed on the second silicon layer 43; and a ground hole GGH extending from the upper end part of the protective layer 44 to a part of the first silicon layer 41 with a conductor substance CM being formed internally.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供使用这种SOI(绝缘体上硅)晶片的MEMS(微机电系统,以下称为“MEMS”)器件作为器件的接地孔和处理晶片 通过简单的工艺电连接,而不需要任何额外的步骤,并且还提供其制造工艺和接地方法。 解决方案:在上硅层和下硅层之间夹持绝缘层的MEMS器件40包括:第一硅层41; 形成在第一硅层41上的绝缘层42; 形成在绝缘层42上的第二硅层43; 形成在第二硅层43上的保护层44; 以及从保护层44的上端部向内部形成有导体物质CM的第一硅层41的一部分的接地孔GGH。 版权所有(C)2005,JPO&NCIPI