ESD Protection Device
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United States of America Patent
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May 7, 2013
Grant Date -
Sep 8, 2011
app pub date -
May 20, 2011
filing date -
Nov 26, 2008
priority date (Note) -
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Abstract
An ESD protection device is constructed such that its ESD characteristics are easily adjusted and stabilized and degradation of discharge characteristics caused by repetitive discharges is reliably prevented. The ESD protection device includes an insulating substrate, a cavity provided in the insulating substrate, at least a pair of discharge electrodes including exposed portions arranged to face each other and to be exposed in the cavity, external electrodes provided on a surface of the insulating substrate and connected to the discharge electrodes, and a conductive material dispersed along at least a portion of an inner circumferential surface which defines the cavity between the exposed portions of the discharge electrodes, the conductive material including an anchor portion embedded in the insulating substrate.
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