"Plug-up" - A new concept for fabricating SOI MEMS devices

Jyrki Kiihamäki (Corresponding author), Panu Pekko, Hannu Kattelus, Teuvo Sillanpää, Tomi Mattila

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    6 Citations (Scopus)

    Abstract

    This paper reports a novel process sequence for making micromechanical devices on silicon on insulator (SOI) wafers. The merits of the new process are its improved immunity to stiction and elimination of conductor metal endurance problems during sacrificial etching with hydrofluoric acid (HF). With this new process one can fabricate vacuum cavities on blank SOI substrates. Further processing of these cavity wafers enables the realization of a wide variety of single crystal micromechanical devices.
    Original languageEnglish
    Title of host publicationSymposium on Design, Test, Integration and Packaging of MEMS/MOEMS 2003
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages229-233
    ISBN (Print)0-7803-7066-X
    DOIs
    Publication statusPublished - 2003
    MoE publication typeA4 Article in a conference publication
    Event5th Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS, DTIP 2003 - Cannes-Mandeliou, France
    Duration: 5 May 20037 May 2003

    Conference

    Conference5th Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS, DTIP 2003
    Country/TerritoryFrance
    CityCannes-Mandeliou
    Period5/05/037/05/03

    Keywords

    • silicon-on-insulator
    • SOI
    • micromachining
    • vacuum sealing
    • porous silicon
    • silicon
    • MEMS
    • fabrication

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