Capacitor with buried electrode
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United States of America Patent
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-
Jan 31, 2006
Grant Date -
Jun 6, 2002
app pub date -
Sep 10, 2001
filing date -
Jun 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A capacitor includes a planar electrode layer which is mounted between a pair of dielectric layers. The electrode layer generally is placed slightly off-center with respect to the dielectric layers so that the electrode layer extends to an end portion of the dielectric layers. One layer of the pair of dielectric layers has a pair of spaced apart contact members, each having a different polarity from the other. The contact members extend onto end portions of the dielectric layers with one of the contact members forming an electrical connection with the electrode layer. The combination of the electrode layer, the dielectric layer on which the contact members are mounted, and the contact member not connected to the electrode layer, allow development of a selected value of capacitance. Providing trimmed contact members as well as controlling their size and spacing allow for convenient preselection of desired operative characteristics of the capacitor. The contact members could be positioned on a substrate to which a buried electrode is mounted.
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