| Single Side |
| Applied with single sided material to make pattern
and cover the cover layer on it, that’s the simplest flexible
boards. |
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| Double Side |
| Applied with double sided material to
make pattern on both side then add on cover layer on each side
, that’s the double sided flexible boards. |
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| Single Side
Double Access |
| Applied with single sided material to make
pattern but make some window on base film and add on cover layer
on pattern top. The final products will have single layer copper
but two side access possibility. This structure we call that
single side double access boards. |
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| Single Side
plus Single Side |
| Binding two single sided FPC by end point
joint. The bending area will be non adhesive for getting better
flexibility. This structure so called single side plus single
side with air gap. |
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| Muti-layer |
| Binding several boards together so called Multi-layer and
the drawing show here is an example of binding a single sided
and a double sided FPC together. |
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| COF (Clip-on-film) |
| COF is a direct attach chip technology
that was an packaging structure for attaching a chip on a flexible
board. |
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| Rigid-Flex
Board |
| Binding flexible and rigid boards structure
together in same units as one part so called rigid-flex boards. |
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