If you look forward to a supplier who is familiar with thin PCB/Substrate in small or mid-volume, SATOSEN can be your best option.
Some particular industries always search for solution of “miniaturization”. We can support you with thin PCB from NPI stage.

Our experience:

6 layer / LVH 50um / Total thickness 240um 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

4 layer / LVH 50um / Total thickness 150um

2 layer / LVH 65um / Total thickness 100um

Application (e.g.): Medical Device / Sensor