Integrated micro electro-mechanical system and manufacturing method thereof
    2.
    发明公开
    Integrated micro electro-mechanical system and manufacturing method thereof 有权
    Integriertes mikromechanisches系统和dessen Herstellung

    公开(公告)号:EP1695937A2

    公开(公告)日:2006-08-30

    申请号:EP05255278.3

    申请日:2005-08-26

    申请人: HITACHI, LTD.

    IPC分类号: B81B7/02 B81B3/00

    摘要: In the manufacturing technology of an integrated MEMS in which a semiconductor integrated circuit (CMOS or the like) and a micro machine are monolithically integrated on a semiconductor substrate, a technology capable of manufacturing the integrated MEMS without using a special process different from the normal manufacturing technology of a semiconductor integrated circuit is provided. A MEMS structure is formed together with an integrated circuit by using COMS integrated circuit process. For example, when forming an acceleration sensor, a structure composed of a movable mass (109), an elastic beam (110) and a fixed beam (111) is formed by using the CMOS interconnect technology. Thereafter, an interlayer dielectric (112) and the like are etched by using the CMOS process to form a cavity (115). Then, fine holes (113) used in the etching are sealed with a dielectric (116).

    摘要翻译: 在其中半导体集成电路(CMOS等)和微机器单片集成在半导体衬底上的集成MEMS的制造技术中,能够在不使用与正常制造不同的特殊工艺的情况下制造集成MEMS的技术 提供了半导体集成电路的技术。 通过使用COMS集成电路工艺,与集成电路一起形成MEMS结构。 例如,当形成加速度传感器时,通过使用CMOS互连技术形成由可移动质量块(109),弹性梁(110)和固定梁(111)构成的结构。 此后,通过使用CMOS工艺蚀刻层间电介质(112)等以形成空腔(115)。 然后,用电介质(116)密封蚀刻中使用的细孔(113)。