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Figure 9
Transmission image for the printed board in which very fine through-holes of 300 µm diameter and 600 µm pitch (a) are formed in a line, and can be seen (b). |
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Figure 9
Transmission image for the printed board in which very fine through-holes of 300 µm diameter and 600 µm pitch (a) are formed in a line, and can be seen (b). |