6

sFH19C & FH19SC Series FPC/FFC Construction (Recommended Specifications)

1. Using Single-sided FPC

2. Using Double-sided FPC

3. Using FFC (Flexible Flat Cable)

4. Precautions

FPC : Flexible Printed Circuit

Material Name

Copper foil

Base adhesive

Base film

Reinforcement material adhesive

Material

Thickness (µm)

FH19C

FH19SC

Cu

1oz

Thermosetting adhesive

Polyimide

1 mil thick

Thermosetting adhesive

Covering layer film

Cover adhesive

Polyimide

1 mil thick

35

25

25

30

35

25

25

30

(25)

(25)

(25)

(25)

FPC : Flexible Printed Circuit

Through-hole copper

Copper foil

Base adhesive

Base film

Base adhesive

Copper foil

Cover adhesive

Covering layer film

Reinforcement material adhesive

Stiffener

Cu

1/2oz

Thermosetting adhesive

Polyimide

1 mil thick

Thermosetting adhesive

Polyimide

FH19C : 1mil

FH19SC: 4mil

18

25

25

25

25

18

25

25

50

100

Cu

Cu

1/2oz

Thermosetting adhesive

Polyimide

1 mil thick

15

18

18

25

18

15

18

18

25

18

Material Name

Covering layer film

Cover adhesive

Surface treatment

Material

Polyimide

1 mil thick

Nickel under plated 1 to 5µm /

Gold plated 0.2µm

Thickness (µm)

FH19C

(25)

(25)

3

FH19SC

(25)

(25)

3

FFC : Flexible Flat Cable

(Nickel under plated / Gold plated), soft copper film

Adhesive

Polyester

Adhesive

Stiffener

Polyester film

Adhesive

* Practical tolerance of thickness dimension is ±20µm (i.e., 187 to 227µm).

1. This specification is a recommendation for the construction of the FH19C/

Series FPC and FFC (t=0.2±0.03).

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

Polyester

Polyester

Polyester

Total

Polyester thermoplastic type

(12)

(30)

35

30

12

30

100

207

(12)

(30)

35

30

12

30

188

295

Material Name

Material

Thickness (µm)

FH19C

FH19SC

Surface treatment

Stiffener

Nickel under plated 1 to 5µm /

Gold plated 0.2µm

Polyimide

FH19C : 3mil

FH19SC: 7mil

3

75

175

3

Total

193

293

Total

197

297

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