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     Uncured characteristics
     | 
     Testing instructions
     | 
     test method
     | 
| 
     Density 3.5g/cc
     
     Filler silver
     
     Viscosity @ 25 ℃ 8000pps
     
     Thixotropic index 5.6
     
     Service life @ 25 ℃ 18 hours
     
     Storage time @ -40 ℃ 1 year
     | 
     pycnometer
     
     Brookfield CP51@5rpm
     
     Stickiness @ 0.5/Stickiness @ 5rpm
     
     %Physical service life of fillers
     | 
     PT-1
     
     PT-42
     
     PT-61
     
     PT-12
     
     PT-13
     | 
| 
     Solidify processed data
     | ||
| 
     Suggested curing condition: 1 hour @ 175 ℃
     
     Or (1) raise the temperature from 3-5 ℃/min to 175 ℃ for 1 hour @ 175 ℃
     
     This heating and solidification process lowers the bonding surface temperature, allowing the solvent to evaporate and increase strength.
     | ||
| 
     Curing weight loss of 5.3%
     | 
     10 × 10mm silicon chip on glass slide
     | 
     PT-80
     | 
| 
      Physical and chemical properties before solidification
      | 
      Testing instructions
      | 
      test method
      | 
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      Ionic surfactant chloride 5ppm
      
      Sodium 3ppm
      
      Potassium 1ppm
      
      Pumping conductivity 13mmhos/cm
      
      pH                                                              6
      
      Weight loss @ 300 ℃ 0.35%
      
      Glass transition temperature 120 ℃
      
      Thermal expansion coefficient
      
      Below Tg 40 ppm/℃
      
      Above Tg 150 ppm/℃
      
      Dynamic tensile modulus
      
      @-65℃                    4380Mpa
      
      (640Kpsi)
      
      @25℃                     3940Mpa
      
      (570Kpsi)
      
      @150℃                    1960Mpa
      
      (280Kpsi)
      
      @250℃                    300Mpa
      
      (44Kpsi)
      
      Moisture absorption rate
      
      @Saturation 0.6%
      | 
      Teflon flask
      
      5 gm sample/20-40 mesh
      
      5 gm DI water
      
      Maintain 100 ℃ for 24 hours
      
      thermogravimetric analysis
      
      TMA penetration mode
      
      TMA expansion mode
      
      Dynamic pyrolysis analysis
      
      use
      
      Samples with a thickness of less than 0.5mm
      
      Dynamic evaporation adsorption
      
      After exposure to 85 ℃/85% RH
      | 
      CT-13
      
      CT-6
     CT-7 
      PT-20
      
      MT-14
      
      MT-9
      
      MT-12
      
      PT-65
      | 
| 
      Electric heating characteristics after solidification
      | ||
| 
      Thermal conductivity of 2.5W/m. K
      
      @121℃
      
      Volume resistivity 0.0001 ohm cm
      | 
      C-MATIC conductivity detector
      
      4-point detection
      | 
      PT-40
      
      PT-46
      | 
| 
      Mechanical properties after solidification
      | 
      Testing instructions
      | 
      detection
       method | 
| 
      Chip shear strength @ 25 ℃ 19kg/die
      
      Chip shear strength and temperature
      
      @25℃           @200℃          @250℃
      
      21kg/die        2.9kg/die        1.7kg/die
      
      11kg/die         2.6kg/die        1.4kg/die
      
      27kg/die        2.4kg/die        2.0kg/die
      
      Chip shear strength after exposure to 85 ℃/85% RH for 168 hours
      
      @25℃           @200℃
      
      12kg/die        1.8kg/die
      
      10kg/die        2.5kg/die
      
      23kg/die        1.8kg/die
      
      Chip thermal deformation at 25 ℃ and chip size
      
      Chip size thermal deformation
      
      7.6×7.6mm(300×300mil)             19mm
      
      10.2×10.2mm(400×400mil)          32mm
      
      12.7×12.7mm(500×500mil)          51mm
      
      Thermal deformation of fragments and electric heating treatment after solidification 2
      
      After solidification, the wire welding mold is baked
      
      (1 minute @ 250 ℃) (4 hours @ 175 ℃)
      
      20mm              29mm                     28mm
      
      22mm              30mm                     28mm
      
      The data was obtained by changing the heating treatment conditions.
      | 
      2 × 2mm (80 × 80mil) silicon chip
      
      3 × 3mm (120 × 120mil) silicon chip
      
      base material
      
      Silver/copper lead frame
      
      Bare copper lead frame
      
      Palladium/nickel/copper lead frame
      
      3 × 3mm (120 × 120mil) silicon chip
      
      base material
      
      Silver/copper lead frame
      
      Bare copper lead frame
      
      Palladium/nickel/copper lead frame
      
      0.38 mm (15mil) thick silicon chip
      
      On a 0.2mm thick silver/copper lead frame
      
      7.6 × 7.6 × 0.38mm (300 × 300 × 15mil) silicon chip
      
      On a 0.2mm (8 mil) thick LF
      
      base material
      
      Silver/copper lead frame
      
      Bare copper lead frame
      | 
      MT-4
      
      MT-4
      
      MT-4
      
      MT-15
      
      MT-15
      | 
  
 
  
 
 
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