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    AI Overview
    Aluminum Nitride Fillers | The Key to Enhanced Thermal ...
    Aluminum Nitride (AlN) is a high-performance, electrically insulating, and thermally conductive ceramic filler used in resins, adhesives, and rubbers. It boasts high heat dissipation (
    >180
    --
    320
    W/m
    ⋅K
     for powder), providing 5–10 times higher conductivity than alumina, making it ideal for semiconductor cooling, power modules (IGBT), and high-power LED interfaces. 
    Key Characteristics and Benefits 
    • High Thermal Conductivity & Insulation: Combines exceptional thermal management (near metallic levels) with high electrical insulation.
    • Thermal Expansion Matching: Its low coefficient of thermal expansion is similar to silicon (Si), minimizing stress in thermal cycling.
    • High Filling Ratio: Can be heavily loaded into resin materials (up to ~40 wt%) for advanced thermal conductivity (e.g., up to
      2.03
      W/mK
       in modified composites).
    • Variety of Forms: Available in different particle shapes and sizes to optimize viscosity and packing in thermal materials. 
    Common Applications 
    • Thermal Interface Materials (TIMs): Used in sheets, gels, and greases for heat dissipation.
    • Electronic Packaging: Used in epoxy molding compounds (EMC) and semiconductor encapsulants.
    • Substrates & Heatsinks: Essential in power electronic modules like MOSFETs and IGBTs.
    • Insulating Composites: Used to improve heat management in electrical components without causing short circuits. 
    Key Considerations
    Aluminum Nitride filler is often chosen over alumina for its superior thermal properties but is usually more expensive. The material is often produced as high-purity powder with sintering additives like
    Y2O3cap Y sub 2 cap O sub 3
    𝑌2𝑂3
     for specialized applications. 
    • The use of polyimide-modified aluminum nitride fillers in AlN@PI/ ...
      Apr 24, 2014 — These fillers are composed of core-shell structures that exhibit enhanced physical and chemical properties that are associated wit...
      Nature
    • Aluminum Nitride Filler for Thermally Conductive Resin Materials | IEEE Conference Publication
      Aluminum nitride (AIN) is a filler material that is expected to be used for thermally conductive resin materials. AIN has high the...
      IEEE
    • The Effects of Aluminum-Nitride Nano-Fillers on the Mechanical, ...
      Oct 30, 2019 — The composites were systematically studied with respect to their mechanical, electrical, and thermal properties. The thermal condu...
      National Institutes of Health (.gov)
    Show all
    • The use of polyimide-modified aluminum nitride fillers in AlN@PI/ ...
      Apr 24, 2014 — These fillers are composed of core-shell structures that exhibit enhanced physical and chemical properties that are associated wit...
      Nature
    • Aluminum Nitride Filler for Thermally Conductive Resin Materials | IEEE Conference Publication
      Aluminum nitride (AIN) is a filler material that is expected to be used for thermally conductive resin materials. AIN has high the...
      IEEE
    • The Effects of Aluminum-Nitride Nano-Fillers on the Mechanical, ...
      Oct 30, 2019 — The composites were systematically studied with respect to their mechanical, electrical, and thermal properties. The thermal condu...
      National Institutes of Health (.gov)
    • Aluminum Nitride (AlN) Substrates | Products | MARUWA CO., LTD.
      Features. MARUWA has started to produce Aluminum Nitride (AlN) substrates since 1985 and has developed its performance. With both ...
      株式会社MARUWA
    • Thermalnite | U-MAP
      Thermalnite is a technology that uses aluminum nitride (AlN) whiskers for thermal management. AlN is an electrically insulating ce...
      株式会社U-MAP
    • 18.6W Thermal Conductivity Aluminum Nitride Silicone Sheet ...
      Using aluminum nitride (ALN) as the filling material, with a thermal conductivity of up to 18.6 W/m·K, it effectively transfers th...
      Amazon.com
    • Fillers | Furukawa Denshi Co., Ltd.
      The fillers are manufactured by adding a small amount of Y2O3 sintering additive and BN particle size control agent to high-therma...
      古河電子株式会社
    • TECHNICAL DATA SHEET Aluminum Nitride (AlN) Fillers
      Description: GNPGraystar's Aluminum Nitride is a transparent, high purity AlN that exhibits high thermal conductivity (near 320 W/
      GNPGraystar Specialty Materials
    • Aluminum Nitride - AdValue Technology
      Key Features of Aluminum Nitride Products * Exceptionally high thermal conductivity (up to 180–220 W/m·K) * Excellent electrical i...
      AdValue Technology
    • Is AlN the Best Ceramic Heater Material? Compare Before You Buy
      Apr 17, 2025 — Table_title: Comparing AlN With Other Ceramic Heater Materials Table_content: header: | Property | Aluminum Nitride (AlN) | Alumin...
      ggsceramic.com
    • Aluminum Nitride AlN Heat Sink - FUBOON Advanced ceramics
      It is often used in microelectronics, lighting, power, optics and the ever growing field of renewable energy. ... Advantages: ... ...
      FUBOON Advanced ceramics
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    Web results

    Aluminum Nitride (AlN) Filler | Products | MARUWA CO., LTD.


    株式会社MARUWA
    https://www.maruwa-g.com › ceramic › ceramicfiller-1
    株式会社MARUWA
    https://www.maruwa-g.com › ceramic › ceramicfiller-1
    MARUWA offers a lineup of aluminum nitride fillers with different particle sizes for high thermal conductivity Thermal Interface Material (TIM) applications.Read more

    Aluminum nitride (AlN) filler | Advanced Materials Business ...


    Tokuyama
    https://www.tokuyama.co.jp › eng › products › aln_filler
    Tokuyama
    https://www.tokuyama.co.jp › eng › products › aln_filler
    Aluminum nitride is an inorganic material having both high thermal conductivity and insulating properties. It has the almost same thermal expansion coefficient ...Read more

    Thermalnite


    株式会社U-MAP
    https://umap-corp.com › Home › technology
    株式会社U-MAP
    https://umap-corp.com › Home › technology
    Aluminum nitride (AlN) is an electrically insulating ceramic material with a thermal conductivity comparable to that of metallic aluminum.Read more

    Aluminum Nitride Filler for Thermally Conductive Resin ...


    IEEE
    https://ieeexplore.ieee.org › document
    IEEE
    https://ieeexplore.ieee.org › document
    by K Tsuchida · 2024 · Cited by 1 — Aluminum nitride (AIN), which has high thermal conductivity and electrical insulation properties, is expected to be used as a filler for thermally conductive ...Read more

    Aluminum Nitride (AlN) Fillers TECHNICAL DATA SHEET


    GNPGraystar Specialty Materials
    https://gnpgraystar.com › AlN_Fillers_2023
    GNPGraystar Specialty Materials
    https://gnpgraystar.com › AlN_Fillers_2023
    PDF
    GNPGraystar's Aluminum Nitride is a high purity AlN that exhibits high thermal conductivity, high electrical insulation properties, near spherical particles ...Read more
    5 pages

    18.6W Thermal Conductivity Aluminum Nitride Silicone ...


    Amazon.com
    https://www.amazon.com › Thermal-Conductivity-Alu...
    Amazon.com
    https://www.amazon.com › Thermal-Conductivity-Alu...
    Using aluminum nitride (ALN) as the filling material, with a thermal conductivity of up to 18.6 W/m·K, it effectively transfers the heat generated by the ...Read more
    Missing: Filler ‎| Show results with: Filler

    Nano aluminum nitride fillers for enhanced mechanical and ...


    ScienceDirect.com
    https://www.sciencedirect.com › science › article › pii
    ScienceDirect.com
    https://www.sciencedirect.com › science › article › pii
    by R Bao · 2024 · Cited by 4 — This paper introduces a method for enhancing both the mechanical and thermal properties of the GFRP composites using aluminum nitride (AlN) nanoparticles.Read more

    ALN Filler


    jucialnglobal.com
    https://www.jucialnglobal.com › aln-filler
    jucialnglobal.com
    https://www.jucialnglobal.com › aln-filler
    As a thermal conductive filler, Aluminum nitride filler has high thermal conductivity and electrical insulation , add aluminum filler into the resin or ...Read more
    Discussions and forums
    Aluminium Nitride Thermal Pads
    High Voltage Forum · 
    3 years ago
    Aluminium Nitride Thermal Pads
    High Voltage Forum · 
    3 years ago
    First time I'd heard of AlN for thermal conduction applications. Google shows its conductivity getting within a factor of two of the notorious BeO, with ...  More
    Ceramic aluminum nitride TO220 insulators. thermal grease?
    diyAudio · 
    4 years ago
    Ceramic aluminum nitride TO220 insulators. thermal grease?
    diyAudio · 
    4 years ago
    Why is that I can't find commercial brands selling aluminium nitride based paste, only solid fillers? Attachments. Screenshot_20220528 ...  More
    Aluminum Nitride Thermal pads revisited - BITX20
    Groups.io · 
    1 year ago
    Aluminum Nitride Thermal pads revisited - BITX20
    Groups.io · 
    1 year ago
    A while back there was quite a bit of discussion on Aluminum Nitride Thermal pads to aid in heat transfer between our output transistors and ...  More
    See more
    People also ask
    What are the disadvantages of aluminum nitride?
    While aluminum nitride is robust in thermal and dielectric contexts, it is brittle when subjected to mechanical stress. This renders processing more difficult when it is produced. Furthermore, the small substrate sizes now available make mass applications less frequent.Aug 4, 2025

    Advantages and Disadvantages of Aluminum Nitride Single Crystal ...


    Stanford Advanced Materials
    https://www.samaterials.com › blog › advantages-and-dis...
    Stanford Advanced Materials
    https://www.samaterials.com › blog › advantages-and-dis...
    What is aluminum nitride used for?
    An error has occurred. Please try again later.
    Is aluminum nitride a good insulator?
    Aluminum Nitride has electrical insulation properties and a coefficient of thermal expansion that closely matches that of Silicon wafer material, making it a useful material for electronics applications where high temperatures and heat dissipation are often a problem.

    Aluminum Nitride – AlN - Precision Ceramics


    Precision Ceramics
    https://precision-ceramics.com › materials › aluminum-ni...
    Precision Ceramics
    https://precision-ceramics.com › materials › aluminum-ni...
    Why is aluminum nitride so expensive?
    Powder synthesis involves high-temperature reactions, such as carbothermal reduction or direct nitridation, which are energy-intensive and costly. High-purity AlN powder with controlled particle size and low oxygen content is expensive.Sep 10, 2025

    Aluminum Nitride Challenges & Cost Control Strategies - Moat City


    Moat City
    https://moatcity.com › blog-kiln-furniture › aluminum-ni...
    Moat City
    https://moatcity.com › blog-kiln-furniture › aluminum-ni...
    Images
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    www.tokuyama.co.jp
    Aluminum Nitride (AlN) Filler | Products | MARUWA CO., LTD.
    Aluminum Nitride (AlN) Filler | Products | MARUWA CO., LTD.
    MARUWA
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    www.tokuyama.co.jp
    The use of polyimide-modified aluminum nitride fillers in ...
    The use of polyimide-modified aluminum nitride fillers in ...
    Nature
    Aluminum Nitride Fillers | The Key to Enhanced Thermal ...
    Aluminum Nitride Fillers | The Key to Enhanced Thermal ...
    www.matsuo-sangyo.co.jp
    Highly thermal conductive and flexible silicone paste filled ...
    Highly thermal conductive and flexible silicone paste filled ...
    ScienceDirect.com
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    Aluminum nitride (AlN) filler | Advanced Materials Business ...
    www.tokuyama.co.jp
    Aluminum Nitride (AlN) Substrates | Products | MARUWA CO., LTD.
    Aluminum Nitride (AlN) Substrates | Products | MARUWA CO., LTD.
    MARUWA
    Fillers | Furukawa Denshi Co., Ltd.
    Fillers | Furukawa Denshi Co., Ltd.
    www.furukawa-denshi.co.jp
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    Scholarly articles for Aluminum Nitride Thermal Filler

    … system of aluminum oxide and aluminum nitride fillers - ‎Choi - Cited by 389
    Thermally conducting aluminum nitride polymer-matrix … - ‎Xu - Cited by 718
    Spherical aluminum nitride fillers for heat‐conducting … - ‎Ohashi - Cited by 180
    People also search for
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