Products

FPC manufacturing process tapes

Carrier film for electronic components such as FPC with different peeling strength.


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Product Name

 PET8470

Suitable use

 Carrier film for FPC

Application
  • Computers/
  • AV/
  • Cellular phones

Features
  • Carrier film made by coating polyester carrier with removable adhesive
  • Silicone free
  • Because of extremely low bonding power, usable for such applications as COFs

Bonding strength

Structure

Structure

Specifications

Product Name PET8470
Main component Acrylic base
Carrier 125 µmPET
Color Transparent
Adhesive thickness(µm) About 145
Release film thickness(µm) About 40
Bonding strength(N/20mm) 0.01 to 0.39
St'd size(width & length) 250mm x 200m

Application Example

Application Example
Carrier film for FPC or in-process and final packaging

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Technical Data

1.Bonding strength (180°peeling)


Test Piece condition
Substrate: Polyimide film
Tape width: 20mm
Bonding condition: One stroke with 2 kg roller
Peel speed: 300mm/min
  • [Measures after 1-hour or more neglect to RT,
    Measuring condition:23°C±5°C 60%±20%]
Results

Peeling strength(N/20mm) : 0.01 to 0.39

Film aging
(Unit: N/20mm)
  40°C 70°C 40°C 90%
Initial 0.04 0.04 0.04
3 days 0.04 0.04 0.04
7 days 0.04 0.04 0.04
14 days 0.04 0.03 0.04
30 days 0.04 0.04 0.04
Aging paste with polyimide
(Unit: N/20mm)
  40°C 70°C 40°C 90%
Initial 0.03 0.03 0.03
3 days 0.04 0.07 0.12
7 days 0.05 0.08 0.14
14 days 0.06 0.10 0.08
30 days 0.07 0.10 0.12
Tackiness of aftert film aging
(Unit: N)
  40°C 70°C 40°C 90%
Initial 0.06 0.06 0.06
3 days 0.04 0.08 0.10
7 days 0.08 0.08 0.12
14 days 0.04 0.06 0.09
30 days 0.07 0.08 0.11
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coution
Note on the characteristic data given - Data on the characteristics of the products described in this page based on the results of evaluations carried out by the company. This does not guarantee that the characteristics of the product conform with your usage environment. Before use, review the usage conditions based on evaluation data obtained from the equipment and substrates actually used.