Good Quality Emi Shielding Copper Foil 140um - 5G Electrolytic Copper Foil – JM
Good Quality Emi Shielding Copper Foil 140um - 5G Electrolytic Copper Foil – JM Detail:
Specification
● Thickness: 12um 18um 35um
● Width: 300-1300mm. stadnard width 1290mm, can be cutting as size requirement
● Wooden box package
● ID: 76 mm, 152 mm
● Length: Customized
● Sample can be supply
● Delivery: 10-20days
● Slitting Working Procedure: Conduct slitting, classification, inspection and package according to requirement for quality, width and weight of copper foils of customers.
Features
● Ultra-low profile, with high peel
● Strength and good etchability
● Hyper low coarsening technology
Application
● 5G High frequency board
● LCP/MPI/MTPI
Typical Properties of 5G Electrolytic Copper Foil
Classification |
Unit |
Requirement |
Test Method |
||||
Foil Designation |
|
T |
H |
1 |
IPC-4562A |
||
Nominal thickness |
um |
12 |
18 |
35 |
IPC-4562A |
||
Area Weight |
g/m² |
107±5 |
153±7 |
285± 10 |
IPC-TM-650 2.2.12 |
||
Purity |
% |
≥99.8 |
IPC-TM-650 2.3.15 |
||||
Roughness |
Shiny side (Ra) |
um |
≤0.43 |
IPC-TM-650 2.2.17 |
|||
Matte side(Rz) |
um |
1.0 |
optical method |
||||
Tensile Strength |
R.T.(23°C) |
Mpa |
≥300 |
IPC-TM-650 2.4.18 |
|||
H.T.(180°C) |
≥180 |
||||||
Elongation |
R.T.(23°C) |
% |
≥5 |
≥6 |
≥8 |
IPC-TM-650 2.4.18 |
|
H.T.(180°C) |
≥6 |
≥6 |
≥6 |
||||
Peel Strength(FR-4) |
N/mm |
≥0.6 |
≥0.6 |
≥0.6 |
IPC-TM-650 2.4.8 |
||
Lbs/in |
≥3.4 |
≥3.4 |
≥3.4 |
||||
Pinholes & porosity |
Numbers |
No |
IPC-TM-650 2.1.2 |
||||
Anti-oxidization |
R.T.(23°C) |
Days |
90 |
|
|||
H.T.(200°C) |
Minutes |
40 |
Standard Width, 1295(±1)mm, Width range: 200-1340mm. May according to the customer request tailor.
Product detail pictures:

Related Product Guide:
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