5

FH26 Series

IRecommended FPC Construction

1. Using Single-sided FPC

Material Name

Covering film layer.

Cover adhesive

Surface treatment

Copper foil

Base adhesive

Base film

Reinforcement material adhesive

Stiffener

Polyimide

1 mil thick.

1µm to 5µm Nickel underplated

0.2µm Gold plated

Cu

1/2oz

Thermosetting adhesive

Polyimide

1 mil thick

Thermosetting adhesive

Polyimide

3 mil thick

Total

25

25

3

35

25

25

40

75

203

Material

Thickness (µm)

2. Using Double-sided FPC

Material Name

Back side

Covering layer film

Cover adhesive

Surface treatment

Through-hole copper

Copper foil

Base adhesive

Base film

Base adhesive

Copper foil

Cover adhesive

Covering layer film

Reinforcement material adhesive

Stiffener

Polyimide

1 mil thick

1µm to 5µm Nickel underplated

0.2µm Gold plated

Cu

Cu

1/2oz

Thermosetting adhesive

Polyimide

1 mil thick

Thermosetting adhesive

Cu

1/2oz

Thermosetting adhesive

Polyimide

1 mil thick

Thermosetting adhesive

Polyimide

1 mil thick

Total

25

25

3

15

18

18

25

18

18

25

25

25

25

197

Material

Thickness (µm)

Back side

Connecting side

Connecting side

1. This specification is a recommendation for the construction of the FH26 Series FPC and FFC (t=0.2 ± 0.03).

2. For details about the construction, please contact the FPC/FFC manufacturers.

3. Precautions

The product information in this catalog is for reference only. Please request the Engineering Drawing for the most current and accurate design information.