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Metal adhesives

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Henkel Loctite® ABLESTIK QMI529HT Paste
Categories: Polymer

Material Notes: Appearance: Silver

Filler Type: Silver

Cure: Heat cure

Product Benefits:

  • Excellent electrical conductivity
  • Excellent thermal conductivity
  • Hydrophobic
  • Stable at high temperatures
  • High resistance to delamination
  • Void-free bondline
  • Excellent adhesive strength
  • High resistance to heat and humidity
  • Good resistance to "popcorning" after exposure to reflow temperatures
Application: Die attach

Surface Finishes: Copper, Silver-plated copper, Preplated leadframes (Ni/Pd/Au) and Alloy 42

Typical Applications: IC and component attach

LOCTITE ABLESTIK QMI529HT die attach paste was developed as a soft-solder replacement or for high UPH performance applications. Maximum productivity is realized through in-line cure, either on the diebonder using a post diebond heater or on the wirebonder preheater.

Information provided by Loctite®

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Specific Gravity 4.10 g/cc
Viscosity 18500 cPUncured, Speed 5 rpm
 
Mechanical PropertiesOriginal ValueComments
Tensile Modulus 3300 MPaCured
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 0.000040 ohm-cmCured
 
Thermal PropertiesOriginal ValueComments
CTE, linear 53.0 µm/m-°CCured, Below Tg
 156 µm/m-°CCured, Above Tg
Thermal Conductivity 3.50 W/m-K
Glass Transition Temp, Tg 3.30 °CCured
 
Processing PropertiesOriginal ValueComments
Cure Time 1.167 minSnap Cure Schedule: (7 Zone) Temp per zone: 170ºC, 170ºC, 170ºC, 200ºC, 200ºC, 200ºC, 200ºC
 1.00 min
@Temperature 185 °C
Snap Cure Schedule (Single Zone)
 30.0 min
@Temperature 185 °C
Oven Cure
 30.0 min
@Temperature 200 - 220 °C
Oven Cure, for higher adhesion
Shelf Life 12.0 Month
@Temperature -40.0 °C
Uncured
 
Descriptive Properties
Extractable Ionic Content (ppm)<20Cured, Chloride (Cl-)
 <20Cured, Potassium (K+)
 <20Cured, Sodium (Na+)
 <20Cured, Fluoride (F-)
Pot Life24 hrs
Shear Strength21 kg-fDie, 300 x 300 mil die on Ag/Cu LF @ 245°C
 57 kg-fDie, 300 x 300 mil die on Ag/Cu LF @ 25°C
Thixotropic Index4.8Uncured

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PLOCT5061 / 255272

Metal adhesives

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