Uking Diamond’s Aluminum Diamond (Al/Diamond) materials represent the pinnacle of lightweight thermal engineering. By high-pressure infiltrating molten aluminum alloy into a dense synthetic diamond skeleton, we produce customized components that exhibit high structural stability and excellent machine ability:

• Aerospace & Satellite Electronics: Delivers mission-critical cooling for payload transponders and radar systems where every gram of weight reduction drastically lowers launch costs.
• 5G/6G Macro Base Stations: Serves as high-efficiency thermal spreaders for remote radio heads (RRH) and MIMO antenna arrays, enduring harsh outdoor environmental swings.
• Automotive Power Inverters: Protects IGBT and SiC power modules in electric vehicle drive trains from high-temperature failures under aggressive acceleration cycles.
• High-Speed Optoelectronics & Transceivers: Provides laser-flat, low-expansion mounting sub mounts for 400G/800G optical communication chips.

Technical Specifications

Product Details

1. The Ultimate Weight-to-Performance Ratio for Aerospace

In advanced aerospace and mobile defense systems, using heavy copper heat sinks is a liability. Uking’s Aluminum Diamond composites change the game.

Boasting a density of just 3.1 – 3.5 g/cm3 (virtually identical to standard aluminum but with a thermal conductivity up to 950 W/m⋅K), these plates allow system architects to maximize continuous RF power output without exceeding the critical payload mass restrictions.

• Thermal Shock Immunity & High Temperature Survival

Electronic systems utilizing GaN or silicon devices often face harsh thermal cycles. Our Al/Diamond plates are engineered to withstand these extreme conditions with superior stability:

-Exceptional Thermal Stability: Maintains over 90% of initial flexural strength even at continuous operating temperatures up to 500°C.

-Superior Internal Integrity: Utilizes precise vacuum pressure metallurgical processing to effectively prevent voids and catalyst pooling (e.g., cobalt) at internal boundaries.

-Tailored CTE Matching: Features an engineered low Coefficient of Thermal Expansion (6.5–11.6 ppm/K) that aligns perfectly with semiconductor die expansion curves. This prevents micro-delamination, solder cracking, and sudden module failure.

Key Features & Value Drivers

Ultra-Lightweight Thermal Defense: Delivers copper-grade thermal throughput at one-third of the weight, maximizing payload efficiency.

Tailored Low Thermal Expansion: Seamlessly scales from 6.5 to 11.6 ppm/K via structural composition tweaks, eliminating mechanical packaging fatigue.

• Extreme Thermal Stability: Retains high structural integrity and rigid strength under 500°C high-stress environments.
• High Complex Shape Adaptation: Easily mass-manufactured into custom complex geometries with counterbores and multi-level steps according to your drawings.

Are your aerospace transponders or high-frequency 5G modules bottlenecked by the extreme weight of copper heat sinks or catastrophic CTE cracking?

Stop compromising your mobile electronics with heavy, outdated thermal spreaders. Backed by 20 years of advanced metal-matrix composite (MMC) synthesis expertise in Henan, China, Uking Diamond delivers ultra-lightweight Aluminum Diamond heat sinks that elevate system reliability.

Because every Al/Diamond plate requires high-purity diamond lattices processed under strict vacuum-pressure infiltration controls, we do not distribute unchecked free samples. We focus entirely on high-intent industrial evaluation.

Ready to cut weight and maximize your ROP? Contact our engineering team today with your target standard specifications (Length, Width, Thickness) and configuration limits. We will instantly open your Corporate Evaluation Pass: obtain your prioritized evaluation trial batch of standard Al/Diamond plates at direct factory wholesale pricing, with 100% of the sample evaluation cost fully credited back to your account upon your first bulk commercial order.