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Caracteristics of copper foil are decided by combination of properties of raw foil and function of surface treatment. We offer you copper foil satisfying your needs through varieties surface treatment types on higt performance ED/RA foil. |
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| SV has flat surfaces on both sides. SV is excellent in bendability and can be used in wide range of purpose. 6um is available. |
HD is recrystallizing type ED whose elongation is greatly increased after heated. HD offers very excellent bendability and high reliability for FPC. |
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| RCF is Tough-pitch copper and most common RA copper. Dull surface finish type is also available. |
ROFD is special RA copper foil with higher bendability than conventional type through control of crystal structure. |
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Product Name
|
Raw foil type |
ED Copper
Foil
SV
(Grade 3)
Flat surface
&
very low profile |
ED Copper Foil
HD
(Grade 10)
Recrystallizing type |
RA Copper
Foil
RCF
(Grade 8)
RA foil
(Shiny finish・Dull finish) |
| Surface treatment type |
T8series
T9series |
T4X
(ultra very fine) |
TNBG
(ultra very fine) |
T5B |
Nominal Thickness
|
μm |
9 |
12 |
18 |
12 |
18 |
12 |
18 |
12 |
18 |
Thickness by Weight
|
g/m2 |
80 |
107 |
153 |
107 |
153 |
107 |
158 |
107 |
158 |
| Shiny side Roughness (Ra) |
μm |
0.25 |
0.25 |
0.25 |
0.25 |
0.25 |
0.15 |
0.15 |
0.15 |
0.15 |
| Matte side Roughness (RzJIS) |
μm |
1.5 |
1.8 |
1.8 |
2.0 |
2.5 |
1.1 |
1.1 |
3.0 |
3.0 |
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Tensile
Strength
|
MD |
N/mm2 |
350 |
350 |
350 |
490 |
480 |
440 |
440 |
440 |
440 |
| TD |
350 |
350 |
350 |
490 |
480 |
420 |
420 |
420 |
420 |
| Elongation |
MD |
% |
8 |
8 |
10 |
8 |
12 |
1.7 |
2.0 |
1.7 |
2.0 |
| TD |
8 |
8 |
10 |
8 |
12 |
1.5 |
1.5 |
1.5 |
1.5 |
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Tensile
Strength
|
MD |
N/mm2 |
320 |
320 |
320 |
260 |
270 |
210 |
220 |
210 |
220 |
| TD |
320 |
320 |
320 |
260 |
270 |
180 |
200 |
180 |
200 |
| Elongation |
MD |
% |
9 |
11 |
16 |
20 |
25 |
10 |
17 |
10 |
17 |
| TD |
9 |
11 |
16 |
20 |
25 |
8 |
12 |
8 |
12 |
Peel Strength
(FR-4) |
As received |
KN/m |
0.60 |
0.70 |
0.90 |
0.60 |
0.75 |
0.60 |
0.70 |
0.60 |
0.70 |
| After Solder Float |
0.60 |
0.70 |
0.90 |
0.60 |
0.75 |
0.60 |
0.70 |
0.60 |
0.70 |
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Matte side roughness RzJIS is based on either JIS82 or JIS94.
These figures shown above are typical ones,not guaranteed
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