Reverse Treated Electrolytic Copper Foil
● Thickness: 12um 18um 35um 70um
● Standard Width: 1290mm, range: 300-1300mm, can be cutting as size request.
● Wooden box package
● ID: 76 mm, 152 mm
● Length: Customized
● Sample can be supply
● High precision cutting equipment cut copper foils according to width required by customers.
● The electron microscope and energy disperse spectroscopy equipment guarantee the quality of final product before delivery.
● Reverse treated copper foil
● Low profile, with high peel strength
● Excellent etchability
● The treated foil is pink
● High frequency, applying to hydrocarbon board
● High Tg
● Fine circuit pattern
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Classification |
Unit |
Requirement |
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|
Test Method |
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Nominal thickness |
um |
12 |
18 |
35 |
70 |
IPC-4562A |
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|
Area Weight |
g/m² |
107±5 |
153±7 |
285± 10 |
585± 20 |
IPC-TM-650 2.2.12 |
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Purity |
% |
≥99.8 |
IPC-TM-650 2.3.15 |
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Roughness |
Shiny side (Ra) |
um |
4.0 |
IPC-TM-650 2.2.17 |
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Matte side(Rz) |
um |
≤5.0 |
≤6.0 |
≤8.0 |
≤10 |
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Tensile Strength |
R.T.(23°C) |
Mpa |
≥276 |
IPC-TM-650 2.4.18 |
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H.T.(180°C) |
≥138 |
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Elongation |
R.T.(23°C) |
% |
≥4 |
≥4 |
≥8 |
≥12 |
IPC-TM-650 2.4.18 |
|
|
H.T.(180°C) |
≥3 |
≥4 |
≥4 |
≥4 |
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Peel Strength(FR-4) |
N/mm |
≥1.0 |
≥1.2 |
≥1.4 |
≥1.8 |
IPC-TM-650 2.4.8 |
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Lbs/in |
≥5.7 |
≥7.4 |
≥8.0 |
≥10.2 |
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Pinholes & porosity |
Numbers |
No |
IPC-TM-650 2.1.2 |
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Anti-oxidization |
R.T.(23°C) |
Days |
90 |
|
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H.T.(200°C) |
Minutes |
40 |
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Standard Width, 1295(±1)mm, Width range: 200-1340mm. May according to the customer request tailor.
