High thermal conductivity and insulation

Changing thermal conductivity
High Thermal Conductive Filler

High thermal conductivity and insulation - Heat dissipation fillers

Versatile

Widely used in diversified application & market
High Thermal Conductive Filler

Automotive

Automotive

  • Inverter
  • Power Module
  • ECU
etc.
Smartphones

Smartphones

  • Processor
  • Camera
  • Battery
Servers

Servers

  • Processor
  • Memory
Telecommunications

Tele communication & Data communication

  • Processor
  • Power Amplifier
  • Optical Module

Suitable for thermal management of
electronic devices

Applications for thermal management of electronic devices

Thermal conductive fillers are utilized as thermal conductive sheets, thermal conductive gap fillers, and substrates to where thermal management is crtical, such as semiconductor devices like CPUs and ICs, optical components in telecom & datacome, batteries and inverters surrounding in electric vehicles. Thermal conductive filler gives consistent performance even under high temperature enviroment, so applied to diverisified cutting edge technology field.

General purpose

General application of
thermal conductive fillers

Thermal interface materials with thermal conductive fillers
encourage heat dissipation for semiconductor chip surroudings.

General applications of heat dissipation fillers

Catalog download

Our filler

Tokuyama’s two types of
high thermal conductivity fillers

Tokuyama offers two types of fillers: aluminum nitride fillers and boron nitride fillers.
Tokuyama can engineer powder properties upon cusotmer's requirment.

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to view

General applications of heat dissipation fillers

* Figures and images are examples based on our testing and do not guarantee quality.

Filler
engineering capability

BLT and filling rate optimization

BLT・Optimization of filling volume

AlN fillers
1um – 120um
BN Filler
5um – 40um
Thermal conductivity and viscosity balance improvement

Thermal conductivity and viscosity
Balance Improvement

AlN fillers
Polyhedral structure / spherical
BN Filler
Low-aspect-ratios primary particles/ agglomerated particles
Water resistance and resin compatibility improvement

Imparting of water resistance/
Improved blending with resin

  • Diverse surface treatment grades (AlN only)
  • Proposal for compatibility with resins
Kneading and viscosity improvement

Better mixing and viscosity

  • less agglomerated particles
  • Top-cut
Low alpha ray compatibility

Low-α grade availability

  • High purity
  • Impurity Control

Type

Product overview

( 01 )

AlN fillers

High Purity Aluminum Nitride Filler

Pseudo-spherical, polyhedral, spherical

  • Very high
    Thermal conductivity
  • Good
    Electrical insulation
  • Low
    Thermal expansion rate
AlN Filler

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( 02 )

BN Filler

High Purity Boron Nitride Filler

  • High
    Electrical insulation
  • High
    Thermal conductivity
  • High purity
BN Filler

Learn More

Products

Product Overview

AlN filler (high purity aluminum nitride filler)

Features
High thermal conductivity (more than 9 times that of alumina), high insulation, thermal expansion close to silicon
Uses
Fillers for heat dissipation resin materials
CAS Number
24304-00-5

BN Filler (High Purity Boron Nitride Filler)

Features
High heat dissipation, high insulation, high purity
Uses
Fillers for heat dissipation resin materials
CAS Number
10043-11-5

* Figures and images are examples based on our testing and do not guarantee quality.