BUSINESS Thermal Interface Materials - Heat Dissipation Sheets, Tapes and EV Battery Thermal Pads

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From heat spreading tape and thermal spread sheets for smartphones and displays to automotive heat dissipation structures and EV battery thermal pads — thermal interface materials that spread heat in-plane and through-plane to lower the saturation temperature of a hotspot.

Thermal Spread Tapes (Heat Spreading Tape)

Issues Application Examples Effect
Application Areas Diagram showing AP chip and OLED panel heat sources in a smartphone

  • Ap chip and DDI, heat generation in OLED part
 Cross-section of a Cu foil and graphite heat spreading sheet stack applied to a smartphone display Cross-section of a thin Cu foil and thermal layer heat spreading sheet applied to a smartphone display
  • Cu Thermal Spread Sheet widely disperses heat from the heating part, lowers the exothermic saturation temperature, and blocks the heat from the heating part from being conducted to the OLED as much as possible
  • EMI noise shielding generated by AP chip on Main Board
  • Cu Thermal Spread Sheet + Foam Tape can be integrated
  • Thermal and EMI noise problems of IC chip
 Smartphone main board with thermal spread tape applied over IC chips Smartphone main board with heat spreading tape applied to the heat generating area
  • Relieves EMI noise shielding and heat generation generated by AP chip of Main Board
Solution
Diagram of heat from an IC chip spreading horizontally through a thermal spread tape

Conductive tape on top of IC Chip or SUS Cover Shield
-> EMI Noise Suppression

Thermal Spread Tapes are applied to spread the heat of the heating part to reduce the saturation temperature

GLPCB (Full Length Head Lamp)


Description
For partial heat dissipation of the LED Module FPCB applied to the front and rear lights of automobiles, the AL 1.0T is currently in use in series production. Apply this as GFPCB (FBCB + Al_GCL)
Product Detail
  • Graphene lamination technology, Binder dispersion and coating technology composite new material
  • Compared to the existing mass-produced laminated structure, unit cost competitiveness and excellent heat dissipation performance
  • Can be designed for various shapes and thicknesses required by the product
Comparison of an FPCB with Al heatsink and a GLPCB heat dissipation structure for automotive LED head lamps
Specification
Item Unit Value Remark
Total Thickness mm 0.050 ± 0.010 Digital Upright Gauge
Thermal Conductivity (X-Y axis) W / mK Over 200 NETZSCH LFA

Thermal Pad (EV Battery Thermal Pad)


Description
Thermal Pads for EV batteries are functional thermal interface materials applied between battery modules and cooling structures to improve heat transfer efficiency and ensure temperature uniformity.
Product Detail
  • High thermal conductivity efficiently dissipates heat generated during charging and discharging
  • Electrical insulation and chemical stability
  • Low oil bleeding minimizes contamination of surrounding areas
  • Solutions optimized for various specifications and conditions
Application
  • Thermal interface between the EV battery pack and the cooling plate — lower battery module assembly
  • CPU · GPU and power supply units in PCs
  • Automotive electronics and mounted semiconductor devices
Line Up
Grade Standard Size (mm) Thickness (mm) Thermal Conductivity (W/mK) Hardness (Shore 00)
STP-15xx 210 x 300 1.0~3.0 1.5 70
STP-30xx 210 x 300 1.0~3.0 3.0 70
STP-50xx 210 x 300 1.0~3.0 5.0 70
STP-70xx 210 x 300 1.0~3.0 7.0 70
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