7

FH33 Series

■FH33 Series FPC/FFC Construction (Recommended Specifications)

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

Nickel under plated 1 to 5μm /

Gold plated 0.2μm

Cu

1oz

Heat-hardened adhesive

Polyimide 1 mil thick

Heat-hardened adhesive

Polyimide 7 mil thick

Total

(25)

(25)

3

35

25

25

30

175

293

Material

Thickness (μm)

2. Using Double-sided FPC

Material Name

Covering film layer

Cover adhesive

Surface treatment

Through-hole copper

Copper foil

Base adhesive

Base film

Base adhesive

Copper foil

Cover adhesive

Covering film layer

Reinforcement material adhesive

Stiffener

Polyimide 1 mil thick

Nickel under plated 1 to 5μm /

Gold plated 0.2μm

Cu

Cu

1/2oz

Heat-hardened adhesive

Polyimide 1 mil thick

Heat-hardened adhesive

Cu

1/2oz

Polyimide 1 mil thick

Heat-hardened adhesive

Polyimide 4 mil thick

Total

(25)

(25)

3

15

18

18

25

18

18

25

25

50

100

297

Material

Thickness (μm)

1. This specification is a recommendation for the construction of the FH33 Series FPC and FFC (t=0.3 ± 0.05).

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

π Practical tolerance of thickness dimension is ±20 μm

3. Using FFC

4. Precautions

Gold plated, soft copper film

Adhesive

Polyester

Adhesive

Stiffener

Polyester film

Adhesive

Polyester

Polyester

Polyester

Total

polyester thermoplastic type

(12)

(30)

35

30

12

30

188

295

Material Name

Material

Thickness (μm)