18 Years Factory 1/4 Inch Copper Foil - Low Profile Reverse Treated Copper Foil For Wireless Charging – JM
18 Years Factory 1/4 Inch Copper Foil - Low Profile Reverse Treated Copper Foil For Wireless Charging – JM Detail:
Detail
● Thickness: 12um 18um 35um 50um 70um
● Standard Width: 1290mm, can be cutting as per size request
● Wooden box package
● ID: 76 mm, 152 mm
● Length: Customized
Features
● Low profile for FCCL
● High MIT
● Excellent etchability
● The treated foil is pink or black
● Reverse treated copper foil
● Arsenic-free, green
Application
● 2layer FPC
● EMI
● Mobile phone Wireless charging
Typical properties of Low Profile Reverse Treated Copper Foil
Classification |
Unit |
Requirement |
Test Method |
|||||
Nominal thickness |
Um |
12 |
18 |
35 |
50 |
70 |
IPC-4562A |
|
Area Weight |
g/m² |
107±5 |
153±7 |
285± 10 |
435±15 |
585± 20 |
IPC-TM-650 2.2.12.2 |
|
Purity |
% |
≥99.8 |
IPC-TM-650 2.3.15 |
|||||
roughness |
Shiny side (Ra) |
սm |
≤3.0 |
IPC-TM-650 2.3.17 |
||||
Matte side(Rz) |
um |
≤3.0 |
≤4.0 |
≤6.0 |
≤8.0 |
≤10 |
||
Tensile Strength |
R.T.(23°C) |
Mpa |
≥207 |
≥276 |
IPC-TM-650 2.4.18 |
|||
H.T.(180°C) |
≥103 |
≥138 |
||||||
Elongation |
R.T.(23°C) |
% |
≥4 |
≥4 |
≥8 |
≥10 |
≥12 |
IPC-TM-650 2.4.18 |
H.T.(180°C |
≥4 |
≥4 |
≥6 |
≥8 |
≥8 |
|||
Peel Strength(FR-4) |
N/mm |
≥0.7 |
≥0.8 |
≥1.0 |
≥1.2 |
≥1.3 |
IPC-TM-650 2.4.8 |
|
Lbs/in |
≥4.0 |
≥4.6 |
≥5.7 |
≥6.9 |
≥7.4 |
|
||
Pinholes & Porosity | Numbers |
No |
IPC-TM-650 2.1.2 |
|||||
Anti-oxidization | R.T.(23°C) | Days |
180 |
|||||
H.T.(200°C) | Minutes |
60 |
Standard Width, 1295(±1)mm, Width range: 200-1340mm. May according to the customer request tailor.
Product detail pictures:

Related Product Guide:
We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for 18 Years Factory 1/4 Inch Copper Foil - Low Profile Reverse Treated Copper Foil For Wireless Charging – JM , The product will supply to all over the world, such as: Spain, Austria, Cape Town, Our market share of our products and solutions has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, make sure you feel free to contact us. We've been looking forward to forming successful business relationships with new clients around the world in the near future. We've been looking forward to your inquiry and order.

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