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Chemically Resistant adhesives

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Epoxy Technology EPO-TEK® H20E-PFC Electrically Conductive, Silver Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive

Material Notes: Product Description: EPO-TEK® H20E-PFC is a two component, semiconductor grade epoxy, designed for flip chip interconnects using a solder-free joining method.

Advantages & Application Notes:

  • Stencil printing of small dots or ?bumps? the size of 4 mil diameter with 8 mil pitch can be achieved
  • Product may be applied at the wafer level or single-chip bumping of prototypes.
  • Final system packaging can be hermetic micro-electronic cases or open-faced circuits using potting resin or housing.
  • Low temperature cure capable between 70°C – 100°C allows for lower cost plastic substrates / housings to be used.
  • Suggested for flip chip packaging applications found in memory devices (SRAM, DRAM), watch modules, RFID tags, smart-cards, military, and medical devices.
  • Passes NASA low outgassing standard ASTM E595 with proper cure
  • Compatible with Au, Cu, Ag, Ag-Pd component or substrate metallization.
  • Recommended to be used with chips or wafers which have UBM layer already deposited.
  • Compatible with automated dispensing equipment.

Information Provided by Epoxy Technology

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 2.88 g/ccPart A
 3.31 g/ccPart B
Particle Size <= 20 µm
Viscosity 3000 - 4000 cP
@Temperature 23.0 °C
100 rpm
 
Chemical PropertiesOriginal ValueComments
Ionic Impurities - Na (Sodium) 12 ppm
Ionic Impurities - K (Potassium) 12 ppm
Ionic Impurities - Cl (Chloride) 199 ppm
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 50
Tensile Modulus 315000 psiStorage
Shear Strength 850 psiLap
 >= 1700 psiDie
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity <= 0.00040 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 21.0 µm/m-°CBelow Tg
 94.0 µm/m-°CAbove Tg
Thermal Conductivity 3.20 W/m-K
Maximum Service Temperature, Air 225 °CContinuous
 325 °CIntermittent
Minimum Service Temperature, Air -55.0 °CContinuous
 -55.0 °CIntermittent
Glass Transition Temp, Tg >= 80.0 °CDynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 407 °CDegradation Temperature
 
Processing PropertiesOriginal ValueComments
Cure Time 0.750 min
@Temperature 175 °C
Minimum Bond Line
 5.00 min
@Temperature 150 °C
Minimum Bond Line
 15.0 min
@Temperature 120 °C
Minimum Bond Line
Pot Life 4320 min
Shelf Life 12.0 Month
@Temperature 25.0 °C
 
Descriptive Properties
ColorSilverPart A
 SilverPart B
ConsistencySmooth thixotropic paste
Ionic Impurities NH4349 ppm
Mix Ratio by Weight1:1
Number of ComponentsTwo
Thixotropic Index6.69
Weight Loss0.46%200°C
 1%250°C
 1.8%300°C

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PPOXYT035 / 141074

Chemically Resistant adhesives

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