Soft and hard combination circuit board

The soft-hard circuit board is made of soft board material polyimide (PI) and hard board material FR4 pressed together. It is a special PCB circuit board that integrates soft board and hard board.

The product in the picture is a 6-layer soft-hard board (through-hole board)

Finished board size: 65145mm

Board structure: L1-L2 (hard board PCB) plus L3-L4 (soft board) plus L5-L6 (hard board PCB)

Completed copper thickness: soft board part: 18um, hard board part: outer layer: 35um, inner layer: 18um

Completed board thickness: hard board part: 1.00mm plus\/-0.10mm, soft board part: 0.18mm plus\/-0.03mm

Hole size: Through hole diameter 0.20mm

Surface treatment: immersed gold 2u

Solder mask color: black

Character color: white

Application areas: audio

The stackup is as follows:

Press indication6-layer soft-hard combination circuit boardThickness(mm)

L1 HOZ plated to 1OZ 0.035

FR4 PP: 0.250

L2 hard plate copper foil 0.018

PP glue 0.080

Covering film PI 0.025

Covering film AD 0.025

L3 soft board copper foil 0.018

Soft board PI 0.050

L4 soft board copper foil 0.018

Covering film AD 0.025

Covering film PI 0.025

PP glue 0.080

L5 hard plate copper foil 0.018

FR4 PP: 0.250

L6 HOZ plated to 1OZ 0.035

Theoretical thickness of hard plate lamination: 0.96mm plus\/-0.08mm

Finished hard board thickness: 1.00mm plus\/-0.10mm

Theoretical thickness of soft board lamination: 0.18mm plus\/-0.03mm

Finished soft board thickness: 0.18mm plus\/-0.03mm