Contact piece member, contactor and contact method
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United States of America Patent
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Sep 14, 2010
Issued Date -
N/A
app pub date -
May 22, 2007
filing date -
Dec 15, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
In a contactor contact piece members can be arranged at a fine pitch, and a contact can be made surely by a small contact pressure. The contact piece members electrically connect an electronic part to an external circuit. The contact piece member is formed of an electrically conductive material in a generally spherical shape. A molecular density of a central part of the contact piece member is lower than a molecular density of a part near a surface. The electrically conductive material may include at least one of an electrically conductive fine particle, an electrically conductive fiber and an electrically conductive filler.
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