| Shearing |
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CNC drilling |
| Base on design to cut the raw material as working
size |
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Apply CNC drilling system to make all via we
need those includingthe processing demands. |
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| PTH |
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Lamination |
| Plating through hole for connecting pattern between layers.
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Cover a photo sensitive layer on copper foil for pattern creation.
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| Exposure |
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Development |
Apply the image transfer technology make pattern on dry film.
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Using developing solution remove the non exposure area. |
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| Etching |
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Stripping |
| Using etching solution to remove exposed copper and then can create
design pattern. |
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Strip off dry film on pattern. |
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| Hot press |
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Metal finish processes |
Apply hot press process to laminating the cover layer for protecting
pattern.
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By electrical or electro-less plating process to apply right metal
finish on expose area. Those including nickel and solder plating for maintaining
electrical properties. |
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| Test |
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Punch |
| All the boards have to pass electrical testing and defect boards will
be screened out . |
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Using the cutting die or stamping die cut out single unit out line. |
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