Precision graphite molds are specifically designed for the production of semiconductor wafer carriers and lightweight components for aerospace applications. They offer ultra-precise and highly durable solutions, significantly enhancing product consistency and production efficiency.

In the semiconductor wafer manufacturing field, the requirements for the precision of wafer carriers are extremely strict - with micrometer-level tolerances and low thermal stress being the core challenges of the industry. Our precision graphite molds use nano-level polished high-purity graphite (with a purity of 99.99%), and the thermal expansion coefficient is only 2.0 × 10⁻⁶ /°C (40% lower than the industry standard). The measured data shows that in the 28nm wafer etching production, a single mold cavity remained free of cracks after 1200 cycles, while the competing molds failed after only 800 cycles.

Graphite Mixer for Molten Aluminum

Why choose precision graphite molds?

More usage times

Lifespan increased by 50% (1200 times vs 802 times), downtime reduced by 30%;

Better materials

Surface roughness Ra ≤ 0.8 μm, wafer defect rate reduced from 2.5% to 0.5%;

Customized scenarios

Optimized for aerospace Al-Cu 7075 alloy, thermal stability up to 1200°C, meeting the strict thermal cycling test requirements of rocket engines (NASA standard).

Graphite Electrode Rod

The aerospace field also benefits from precision graphite molds. Take the manufacturing of a satellite bracket as an example. Traditional molds tend to crack at 1000°C high temperature, while our molds maintain a tolerance of ±0.05mm after 150 thermal cycle tests - this directly supports the lightweight and heat resistance requirements of spacecraft.

Choosing precision graphite molds means choosing the reliable foundation for the future of semiconductors and aerospace industries. We drive with data and continuously empower the precision revolution in high-end manufacturing.

Core strengths

Choose the plan that suits you best.

Raw Material Advantage - Source Control

We select first-class raw materials such as high-purity and ultra-high-purity isostatic graphite from the original factory, ensuring a stable long-term supply chain. The materials have stable density, low ash content, few impurities, and uniform grains. This guarantees that the products have excellent heat resistance, resistance to thermal shock, long lifespan, and do not contaminate the materials.

Process and Precision Processing Advantage

We have a complete set of CNC precision numerical control processing lines, capable of performing integrated processing of turning, milling, drilling, grinding, and more. The processing accuracy is high, the size tolerance is small, and the surface fit is good. We can precisely customize various shapes, large-sized parts, and complex structures, eliminating the need for secondary modification by customer

30Years of Deep Technology Accumulation

We have a professional technical team that can provide free selection matching, thermal field design, structural optimization, and drawing customization based on different working conditions such as vacuum furnaces, graphitization furnaces, sintering furnaces, metal melting, 3D glass hot bending, etc. For non-standard, special-sized, and special-power components, we can also provide one-on-one customized solutions.

Product Performance and Quality Advantage

The products inherently possess low thermal expansion, high mechanical strength, resistance to temperature changes without deformation, and resistance to cracking from rapid cooling and heating. They can undergo specialized anti-oxidation, high-purity purification, and surface impregnation treatments. The service life is 30% - 50% higher than that of similar products from ordinary manufacturers. They do not lose powder, do not leak materials, and have no impurity precipitation at high temperatures.