Sequence number

  item

type of board

technical data

1

layers

flexible pcb board

1-6  layer

FRPCB board

2-14 layer

3

  Min board thickness

flexible pcb board

1layer:0.06mm

flexible pcb board

2 layer: 0.11mm

FRPCB board

8 layer: 1.00mm

FRPCB board

10 layer:1.20mm

4

  Min line width

0.075mm

5

  Min space of line

0.075mm

6

  Min hole

0.20mm

7

  Hole copper

0.020mm

8

  PTH tolerances

±0.05mm

9

NPTH tolerances

±0.025mm

10

 Hole site tolerances 

±0.05mm

11

  Board tolerances

±0.1mm

12

  Min solder brigde

0.08mm

13

  insulation resistance

1E+12Ω(normal state)

14

board thickness and hole diameter Ratio

10:01

15

 Thermal shock

288 °C(10s 3times)

16

Distortion and bending

≤0.7%

17

  Resistance electric intensity

>1.3KV/mm

18

Resistance to peel strength

1.4N/mm

19

  Hardness of solder mask

≥6H

20

Flame retardancy

94V-0

21

  Impedance control

±5%