Double coated tapes

Adhesive transfer tapes for FPC

Excellent for reflow process, and high processability.

  • Product name
    G4200D/G4200DW
  • Features
    • No solvent used at coating process. UV curable manufacturing method.
    • Both adhesive and release paper resist heat deterioration during the reflow process(Top:260°C).
    • Excellent workability for punching and bonding.
    • Ideal for bonding FPC materials such as polyimide, stainless steel, glass epoxies, etc.
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Structure

Specifications

Product name G4200D G4200DW *2
Main component Acrylic base Acrylic base
Carrier Non-carrier Non-carrier
Color Translucent Translucent
Adhesive thickness(µm) About 50 About 50
Release paper thickness(µm) About 95 About 95+130
Bonding strength(N/20mm) *1 9 9
St'd size(width & length) 500mm x 100m 500mm x 100m
Warranty period from manufacturing date 9 months 9 months
  • *1 180° peeling strength to polyimide
    *2 G4200DW: With both side release paper.

Application Example

Ideal for fixing FPC and stiffeners for FPC.

Technical Data

1.Bonding strength on various type of substrate (180° peeling)

180° peeling strength test

Test Piece Condition

Tape width:20mm
Bonding condition:One stroke with 2-kg roller
Measuring condition:23°C±5°C 60%±20%RH
Peeling speed:300mm/min
Backing material:25µm PET

[Left at RT for one hour before measurement]

Results
g4200d_chart_02.gif

2.Bonding strength before and after lead free reflow process (180° peeling)

180° peeling strength test

Test Piece Condition

Tape width:20mm
Bonding condition:One stroke with 2-kg roller
Measuring condition:23°C±5°C 60%±20%RH
Peeling speed:300mm/min
Backing material:25µm PET

[Left at RT for one hour before measurement]
[Attach adhesive tape to polyimide or glass epoxy and reflow without removing release paper before measurement under the following conditions]

Results

(N/20mm)

180° peeling strength Product name Measuring condition Substrate
PI GE
G4200D Before reflow 9 10
After reflow 10 10
g4200d_chart_01.gif

3.Bonding strength of release paper before and after reflow(T-type peeling)

Peeling strength of release paper test

Test Piece Condition

Tape width:50mm
Measuring condition:23°C±5°C 60%±20%RH
Peeling speed:300mm/min
Backing material:25µm polyimide

[Left at RT for one hour before measurement]
[Attach adhesive tape to polyimide and reflow without removing release paper before measurement under the following conditions]

Results

(N/50mm)

T-type peeling strength Product name Measuring condition
Before reflow After reflow
G4200D 0.3 0.3

4.Holding power at different temperatures

Holding power test

Test Piece Condition
Substrate:Stainless steel plate (SUS304)
Bonding area:25mm x 25mm
Bonding condition:One stroke with 2-kg roller
Backing material:25µm PET

[Left at RT for one hour and then at each temperature for 30 minutes before measurement]
[Creep length after one hour application of 1-kg load]
Results
Creep length(mm) Product name Measurement temperature
80°C 120°C
G4200D 0.1 0.2

caution

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.

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