Ultra-thin Double-sided FPC "NITOFLEX®"
A circuit board which reduces the bias force with a thin base Pl to combine improved flexibility with double-sided micro line processing.
- Low repulsion due to thin base Pl
- Higher density with laser Via
- Finer pitch due to thin copper foil
|
Connection Reliability (Oil Dip Test) |
| Type | Base material | Min．product total thickness | Min．
TH diameter | Min．
Land diameter | Min．
L/S |
Cu thickness
（including PTH） | Pl thickness | Front side | Back side |
| Normal Double-sided FPC |
18 |
15～25 |
60.5 |
98.5 |
75 |
250 |
50/50 |
| Ultra-thin Double-sided FPC |
12 |
15～25 |
54.5 |
86.5 |
50 |
200 |
40/40 |
|
The above data are results of experiment at Nitto Denko and are not applicable as standard values. |
