Process for manufacturing non-spacing typeset printed circuit boards by utilizing ultraviolet (UV) cutting
The invention discloses a process for manufacturing non-spacing typeset printed circuit boards by utilizing ultraviolet (UV) cutting. The method comprises the following steps of: 1) forming holes in asubstrate by utilizing the UV cutting and electroplating through holes and the whole board; 2) carry...
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Format: | Patent |
Sprache: | chi ; eng |
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