发明名称 System and method for safeguarding wafers and photomasks
摘要 A system and a method for safeguarding wafers and photomasks. The system includes a container for storing an article, the article being a wafer or a photomask; a flashing unit for flashing light with a pre-determined light pattern; an anti-theft unit capable of performing an anti-theft function, the anti-theft unit being attached to the container; and a trigger unit electrically connected to the anti-theft unit for triggering the anti-theft function of the anti-theft unit, in response to detecting the pre-determined light pattern of the flashing unit. The method includes providing a container having an anti-theft unit capable of performing an anti-theft function; storing an article in the container, the article being a wafer or a photomask; providing a flashing light with a pre-determined light pattern; detecting the pre-determined light pattern; and performing the anti-theft function by the anti-theft unit, in response to detecting the pre-determined light pattern.
申请公布号 US8299926(B2) 申请公布日期 2012.10.30
申请号 US20090465684 申请日期 2009.05.14
申请人 HAND PAUL D.;HARMUTH GEORGE M.;LEONARDI GARY T.;STEFANSKI GLENN M.;WYSKIDA ANDREW P.;INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 HAND PAUL D.;HARMUTH GEORGE M.;LEONARDI GARY T.;STEFANSKI GLENN M.;WYSKIDA ANDREW P.
分类号 G08B13/14 主分类号 G08B13/14
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