US Patent 7167374 Circuit substrate and electronic equipment
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A circuit substrate comprises a first substrate on a first surface of which circuit elements are loaded, a second substrate on which the first substrate is loaded, and noise reduction elements. Each of the noise reduction elements is sandwiched between an area of a second surface of the first substrate over against the first surface of the first substrate and a surface of the second substrate facing the second surface of the first substrate. The noise reduction element is connected between a power source terminal of the second surface of the first substrate and a power source terminal of the surface of the second substrate, and/or between a ground terminal of the second surface of the first substrate and a ground terminal of the surface of the second substrate.
US Patent 07167374 Circuit substrate and electronic equipment US Patent 7167374 Circuit substrate and electronic equipment
US Patent 07167374 Circuit substrate and electronic equipment
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