FPC manufacturing process tapes
Carrier film for electronic components such as FPC with different peeling strength.
Products Category Single coated tapes
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Comparison
PET8470

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 strength1
   

Structure

Specification
Structure
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 200mm

Application Example

Application Example:PET8470 Carrier film for FPC or in-process and final packaging
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Technical Data
1. Bonding strength (180°peeling) 180°Peeling strength test
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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caution The technical data in this document, which was acquired based on reliable tests, does not guarantee full performance as per the documentation in any instance. Users assume total responsibility and risk for use of this product for any purpose under any usage conditions.