Methodology to Analyze Failure Mechanisms on RF-MEMS Switch Using Nano-Indenter

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dc.contributor.authorkim, Dong Seok-
dc.contributor.authorKo, Seung Deok-
dc.contributor.authorLee, Byung Kee-
dc.contributor.authorYoon, Jun Bo-
dc.contributor.authorKim, Do Kyung-
dc.identifier.citation2010년도 한국재료학회 춘계학술발표대회 및 제18회 신소재 심포지엄 , v., no., pp. --
dc.description.abstractRadio-Frequency (RF) Microelectromechanical system (MEMS) switches have become the promising devices due to their advantages such as higher off-impedance, lower insertion loss, and low power consumption. However, RF-MEMS switches have not been in commercialization to date due to the reliability problems such as increasing in electrical contact resistance and stiction of the switch electrode. In order to improve their reliability problems, it is necessary to understand the micro-contact failure in electrical switching. A nano-indenter was modified to simulate DC switching of RF MEMS switches and to investigate the micro contact reliability. The contact reliability of thin Au film contacts was characterized; electric contact between both Au coated ball tip and Si wafer was permanently shorted out after certain switching cycles. The surface of contact area was deformed by melting and mass transfer and it causes contact area decreasing and breaking electrical contacts. There was some fluctuation on penetration depth change curve of the switching cycles before the electrical failure and this result implies the change in depth curve seems to be an indicator of failure broken. Keywords: RF-MEMS Switch, Contact Reliability, Nano-Indenter-
dc.titleMethodology to Analyze Failure Mechanisms on RF-MEMS Switch Using Nano-Indenter-
dc.citation.publicationname2010년도 한국재료학회 춘계학술발표대회 및 제18회 신소재 심포지엄-
dc.identifier.conferencecountrySouth Korea-
dc.contributor.localauthorKim, Do Kyung-
dc.contributor.nonIdAuthorkim, Dong Seok-
dc.contributor.nonIdAuthorKo, Seung Deok-
dc.contributor.nonIdAuthorLee, Byung Kee-
dc.contributor.nonIdAuthorYoon, Jun Bo-
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MS-Conference Papers(학술회의논문)
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