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US07152318B2 Method for manufacturing built-up printed circuit board with stacked type via-holes 有权
具有层叠型通孔的叠层印刷电路板的制造方法

Method for manufacturing built-up printed circuit board with stacked type via-holes
Abstract:
A built-up printed circuit board includes stacked micro via-holes, each of which is provided for interconnection between layers in the printed circuit board, and in each of which a filling material, such as liquefied resin or conductive paste, is filled using a poly screen of a general screen printing machine.
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