Indium foil is a high-performance thermal interface material widely used in chip cooling and semiconductor packaging. ASTER offers a diverse range of indium foil products, including pure indium foil, indium-tin alloy foil, indium-silver alloy foil, multilayer composite thermal pads, and coated indium foil. These products provide excellent thermal conductivity while effectively addressing common issues such as oxidation and adhesion of indium itself. They are also designed for long-lasting durability and wear resistance.
Product Types
Features:
Ultra-high purity (99.99% or higher), with excellent thermal conductivity and ductility.
Applications:
Ideal for chip cooling and packaging scenarios that require extremely high thermal performance.
Features:
Combines the advantages of both indium and tin, offering improved mechanical strength and corrosion resistance.
Applications:
Suitable for cooling and packaging environments that demand higher mechanical performance and durability.
Features:
An alloy of indium and silver, providing enhanced electrical and thermal conductivity along with superior oxidation resistance.
Applications:
Designed for high-performance chip cooling and packaging, especially where high precision and high reliability are required.
4. Multilayer Composite Thermal Pads
Features:
Constructed from multiple layered materials, integrating their combined advantages. Offers outstanding thermal conductivity and robust mechanical properties.
Applications:
Ideal for complex thermal management requirements in chip packaging, effectively reducing thermal resistance and improving heat dissipation efficiency.
5. Coated Indium Foil
Features:
Surface coated with a protective film to prevent oxidation, while also improving wear resistance and corrosion resistance.
Applications:
Suitable for cooling and packaging applications where surface protection is critical, extending the lifetime of the product.
- Form Factor Classification
- 1. Flat Indium Foil
Features:
Smooth, flat surface suitable for large-area cooling and packaging requirements.
Applications:
Widely used for heat dissipation at the bottom of chips and for general semiconductor packaging.
2. Dotted Indium Foil
Features:
Surface features dot-shaped patterns that increase contact area and enhance heat dissipation efficiency.
Applications:
Ideal for chip packaging scenarios that require localized thermal management.
3. Textured (Mesh Pattern) Indium Foil
Features:
Surface with a mesh-like texture that increases the effective heat dissipation area while preventing adhesion.
Applications:
Suitable for applications requiring anti-stick properties and improved thermal performance.
Key Performance Advantages
1. Anti-Oxidation
Solution:
Surface coating and alloying treatments effectively prevent oxidation, maintaining the indium foil’s superior thermal conductivity.
2. Anti-Adhesion
Solution:
Mesh surface designs and alloying techniques prevent indium foil from sticking during use, ensuring reliable cooling and packaging performance.
3. Wear Resistance
Solution:
Protective coatings and multilayer composite structures enhance wear resistance and corrosion resistance, extending product lifespan.
4. High-Efficiency Heat Dissipation
Features:
High thermal conductivity (81–86 W/(m·K)) enables rapid heat transfer from the heat source, effectively reducing thermal interface resistance and improving cooling efficiency.
5. Excellent Adaptability
Features:
Indium foil offers outstanding ductility and malleability, allowing it to conform to various shapes and sizes. It is easy to process and install for different thermal interface needs.
Conclusion
Aster offers a comprehensive range of indium foil products to meet diverse chip cooling and packaging requirements. Through advanced alloying techniques and engineered surface designs, our indium foils provide excellent thermal performance while effectively addressing challenges such as oxidation and adhesion. They also deliver long-lasting durability.
Whether for high-performance computing chips, 5G communication chips, or other high-precision semiconductor applications, Aster’s indium foil solutions ensure reliable thermal management and packaging performance.