Diamond-Aluminum Thermally Conductive Composite

This metal matrix composite serves dual roles in chip-level packaging: providing structural support as a substrate, and acting as a high-performance heat spreader to dissipate heat from high-power chips.

Diamond-Aluminum Thermally Conductive Composite is an advanced material designed to address thermal challenges in weight-sensitive, high-reliability applications. By uniformly dispersing diamond particles within an aluminum matrix, it achieves a unique combination of high thermal conductivity, low density, and a low coefficient of thermal expansion (CTE)—making it an ideal heat spreader and packaging material for aerospace, electric vehicles, and data center electronics.

Diamond-Aluminum Thermally Conductive Composite

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Key Features

High Thermal Conductivity – Efficiently spreads and dissipates heat from high-power density devices.

Low Density – Lightweight aluminum matrix reduces overall system weight, critical for aerospace and automotive applications.

Low CTE – Matches the thermal expansion of common semiconductor materials, minimizing thermal stress.

Excellent Mechanical Strength – Withstands vibration and thermal cycling without deformation.

Reliable Thermal Stability – Performs consistently over repeated thermal shocks.

Good Surface Finish – Low surface roughness and high parallelism for direct bonding.

 

Common Specifications

Parameter Value Unit Test Method
Thickness > 0.5 mm /
Density 3.0 g cm⁻³ ASTM B311
Surface Roughness < 0.5 µm ASTM D7363
Parallelism < 0.02 mm /
Bending Strength > 300 MPa ASTM A370
Thermal Conductivity > 600 W/m·K ASTM E1461
CTE < 6.5 ppm/K ASTM E831
Thermal Stability -65 to +150°C, 1000 thermal shocks, <5% degradation / /
Semiconductor Packaging

Application Areas

Aerospace – Thermal management for avionics, satellite electronics, and high-reliability systems.

Automotive – Power modules, battery thermal management, and EV inverters.

Data Centers – Heat spreaders for high-performance processors, ASICs, and optical transceivers.

High-Reliability Electronics – RF power amplifiers, laser diodes, and power converters.

IDM Customization Service

From advanced processes to specialty processes, we use our IDM vertical integration experience to help customers overcome design-process collaboration challenges.

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Supports advanced nodes such as [5-22nm FinFET/BCD/GAA] to meet the needs of high-performance computing (HPC), AI chips, etc.

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MPW (Multi-Project Wafer) Service: Small batch trial production to reduce customers' initial costs. Customized process development: Cooperate with customers to conduct DTCO (Design-Process Co-Optimization), customize design rules and process parameters.

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We support the joint solution of "wafer foundry + advanced packaging" (such as 3D IC, heterogeneous integration) to avoid the loss of multi-supplier collaboration. Unlike pure foundries, we verify the process stability through mass production of our own chips to reduce the risk of tape-out for you.

Provide customers with complete integrated manufacturing services from concept to finished product

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Electronic manufacturing services and printed circuit board assembly.

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EMS provides a wide range of electronic manufacturing services, including everything from circuit board design to supply chain management to assembly, testing and after-sales support.

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PCBA is a link in EMS that focuses on the assembly of printed circuit boards, covering component placement, soldering and related testing, connecting electronic components to manufactured printed circuit boards.

Semiconductor production shop environment
Semiconductor production shop environment
Semiconductor production shop environment
Semiconductor production shop environment

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