Wiring board and method of preventing high voltage damage
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United States of America Patent
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Sep 4, 2012
Grant Date -
Apr 2, 2009
app pub date -
Sep 26, 2008
filing date -
Oct 2, 2007
priority date (Note) -
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Abstract
A wiring board is provided to protect an electronic device from static electricity and lightning surge without reducing packaging density. A wiring board is provided with a first wiring pattern (3) including mounting pads (8, 10), on which an electronic device (5) is mounted, a second wiring pattern (21) having lower impedance than the first wiring pattern (3), ICT wirings (13, 15) extending from the mounting pads (8, 10) of the first wiring pattern (3), and ICT pads (17, 19) formed at distal ends of the ICT wirings (13, 15). The ICT wirings (13, 15) extend towards the second wiring pattern (21) so that the ICT pads (13, 15) are in the vicinity of the second wiring pattern (21), and discharge gaps (G) are formed between the ICT pads (13, 15) and the second wiring pattern (21).
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