LOCTITE® ABLESTIK ATB F125E

Features and Benefits

This white, highly reliable, epoxy-based adhesive film can be used for die-attach applications.
LOCTITE® ABLESTIK ATB F125E is a white, high-reliability epoxy adhesive film with a thickness of 25μm. It is typically used for die attach in discrete, IC, and chip stack packages. It’s ideal for wafer lamination processes or as a preform decal, where it shows excellent workability and provides consistent dicing and die pickup for small die applications.
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Technical Information

Adhesive film thickness 25.0 µm
Application method Lamination
Applications Die attach
Carrier type Polyolefin
Colour White
Cure type Heat cure, UV cure
Dicing tape diameter 12.0
Extractable ionic content, Chloride (CI-) 19.0 ppm
Extractable ionic content, Potassium (K+) 1.0 ppm
Extractable ionic content, Sodium (Na+) 2.0 ppm
Hot die shear strength, @ 260.0 °C 2.5 x 2.5 mm Si die on BT substrate 3.1 kg-f
Key characteristics Work life: long work life
Moisture absorption 0.78 %
Physical form Film
Recommended for use with Laminate
Tensile modulus, @ 250.0 °C 185.0 N/mm² (26831.0 psi )
Wafer diameter 12.0
Weight loss, TGA @ 200.0 °C 0.27 %