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Henkel Loctite® 3564 Fast flow epoxy, moderate CTE and Tg Fast Flow Underfill
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Encapsulant, Unreinforced

Material Notes:
COB/DCA Encapsulants are essential to the reliability of flip chip assemblies because they minimize the thermal mismatch between the flip chip and substrate.

Loctite® Underfills and Encapsulants improve assembly operations by providing superior reliability and faster throughput. Improved reliability is achieved through products that have a high Tg, low CTE, high throughput and excellent adhesion. Faster throughput and higher yields are achieved through faster flow characteristics and increased cure speeds.

Loctite® 3564 Fast flow epoxy, moderate CTE and Tg Fast Flow Underfill
An extremely fast flowing, rapid cure underfill for industrial and consumer flip chip applications. Withstands operating temperatures up to 125°C.

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Physical PropertiesMetricEnglishComments
Density 1.50 g/cc0.0542 lb/in³
Viscosity 3000 cP3000 cPHaake cone and plate rheometer @ 5/sec (35mm/2° cone)
 
Mechanical PropertiesMetricEnglishComments
Tensile Modulus 3.10 GPa450 ksi
 
Thermal PropertiesMetricEnglishComments
CTE, linear 35.0 µm/m-°C
@Temperature 20.0 °C
19.4 µin/in-°F
@Temperature 68.0 °F
Glass Transition Temp, Tg 125 °C257 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 20.0 min
@Temperature 150 °C
0.333 hour
@Temperature 302 °F
Shelf Life 3.00 Month
@Temperature -40.0 °C
3.00 Month
@Temperature -40.0 °F

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PLOCT185 / 51921

Specialty Compounds RTP Company

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