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High Thermal Performance of Graphite Metal Material 快速選單

  • Graphite Metal Material Feature
    • In-plane thermal conductivity that can be tailored up to 500 W/mK
    • Very light weight - 30% lighter than aluminum and 80% lighter than copper
    • Available in a rages of sizes, shapes and thickness
    • Easily laminated with metals, plastic or elastomer for added design versatility
    • Usable at temperatures up to 400o C and lower than - 40oC

 

  • GM-380 & GM-500 Applications:
    • Consumer Electronics Thermal Module (PDA, Notebook, PC, PDP,TFT ,LCD ’)
    • Very Light Weigh High Performance Thermal Module Solution

 

  • Graphite Metal Typical Properties
      GM-380 ( single Side Graphite) GM-500 ( Dual Side Graphite )
    Physical    
    Color Dark Grey Dark Grey
    Thickness 0.3~1.5 mm (0.12 al +0.18G) 0.45~1.5 mm (0.12 al +0.16 x2)
    Thickness Variation +/- 5% +/- 5%
    Tensile Strength 715 psi (4900 kPa) 715 psi (4900 kPa)
    Maximum Roll Width 24.00 in (61.0 cm) 24.00 in (61.0 cm)

    Flammability Rating

    Density minimum (Graphite density)

    UL 94 V-0

    (1.8 g/cm3)

    UL 94 V-0

    (1.8 g/cm3)

    Thermal

    Operating Temperature

    Thermal Resistance @15 psi

    Thermal Resistance @ 100 psi

    Thermal Conductivity @100 psi

    Thru-thickness

    In-plane

    Coefficient of Thermal Expansion

    Thru-thickness

    In-plane

    Specific heat

                                   

    -40 to 400 ﹉C

    0.44 cm2﹉C/W

    0.24 cm2﹉C/W

     

    35 W/mK

    368 W/mK

     

    (TBD-6 m/m oC)

    (TBD-6 m/m oC)

    (711 J/kg oC)

    -40 to 400 ﹉C

    0.84 cm2﹉C/W

    0.37 cm2﹉C/W

     

    35 W/mK

    (510 W/mK )

     

    (TBD-6 m/m oC)

    (TBD-6 m/m oC)

    (711 J/kg oC)

Notes: TBD = Measure value will to be define

  • Optional Coatings
Pressure Sensitive Adhesive(A)
Thickness 0.005 mm 0.005 mm
Operating Temperature -40 to 150oC -40 to 150oC
Contact Resistanced 0.16 cm2 oC/W 0.16 cm2 oC/W
Plastic/dielectric layer (P)
Plastic Thickness 0.0127 mm 0.0127 mm
Dielectric Strength 2250 V 2250 V
Operating Temperature -40 to 150oC -40 to 150oC

Contact Resistance per

Side @ 100kPad

1.57 cm2 oC/W 1.57 cm2 oC/W
Thermal Conductivity 0.155 W/mK 0.155 W/mK
Acrylic Coating (Ac)
Thickness 10 micron 10 micron
Operating Temperature -40 to 150oC -40 to 150oC
Aluminum Foil (Al)
Thickness 0.025 to 0.076 mm 0.025 to 0.076 mm
Operating Temperature -40 to 150oC -40 to 150oC
Copper Foil (Cu)
Thickness 0.025 to 0.076 mm 0.025 to 0.076 mm
Operating Temperature -40 to 150oC -40 to 150oC

A= Pressure sensitive adhesive with release paper covering
P = Plastic dielectric layer
Ac= Acrylic coating
Al = Aluminum foil
Cu= Copper foil

 
 
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