Capability for flex-rigid board

Items

2023

2024

Sample

Mass
production

Sample

Mass
production

Thickness of flex board(mm)

0.025~0.15

0.025~0.1

0.025~0.15

0.025~0.1

Surface flatness  (mm)

50

50

30

50

Min hole to window distance(mm)

0.5

0.8

0.4

0.5

Copper to window distance (mm)

0.2

0.4

0.2

0.4

Resin in prepreg flow to window(mm)

0.5

1.0

0.5

0.5

Min window width(mm)

3.0

3.5

3.0

3.5

Finished copper thickness of flex board (oz)

1/2-2

1/2-2

1/2-2

1/2-2

Finished copper thickness of rigid board (oz)

1/3-4

1/2-4

1/3-4

1/3-4

Min trace width/spacing (mm)

0.06/0.06

0.075/0.075

0.05/0.05

0.06/0.06

 Min board thickness  (mm)

0.35

0.4

0.35

0.4

Impedance control (%)

±10

±10

±8

±10

Bow and twist (%)

≤0.5

≤0.75

≤0.5

≤0.75

Min PTH hole size(mm)

0.1

0.15

0.1

0.15

Tolerance for control depth routing  (mm)

±0.075

±0.075

±0.075

±0.075

Laser layer count

3

2

3

3

Flex layer in board count (hinge type )

≤6

≤4

≤6

≤4

flex layer in board count (adhesive together)

≤2

≤2

≤2

≤2