The three key advantages of MPCVD equipment for diamond deposition

In the preparation of CVD diamond films, MPCVD (microwave plasma chemical vapour deposition) equipment demonstrates outstanding advantages in multiple respects; it can exert precise control across various dimensions to produce high-quality diamond materials.

I. Precise Control for Superior Performance

MPCVD equipment offers extremely precise control over plasma parameters, enabling the accurate setting of temperature distribution, plasma density and gas ratios within the reaction chamber. Through this precise control, researchers can effectively regulate the grain size, defect density and growth rate of the diamond film. Under optimised process conditions, high-performance diamond films with minimal defects, a Vickers hardness exceeding 100 GPa and a thermal conductivity higher than 2000 W/(m·K) can be obtained, fully meeting the stringent requirements of high-end electronic packaging, optical windows and cutting tools.

II. Broad Compatibility, Covering a Wide Range of Requirements

MPCVD equipment demonstrates exceptional substrate adaptability, being compatible with silicon, tungsten, molybdenum, silicon carbide and even irregularly shaped substrates. It supports the growth of nanometre-scale ultra-thin films as well as the batch production of millimetre-scale thick films. This seamless transition from laboratory-scale R&D to large-scale industrial production offers significant flexibility for product development at various stages, effectively driving the expansion of diamond material applications in cutting-edge fields such as thermal management, biosensing and quantum technology.

III. Uniformity and Stability: Lowering the Barriers to Mass Production

MPCVD equipment maintains excellent deposition uniformity and process repeatability during prolonged operation, enabling the growth of diamond films with consistent thickness and stable quality on large-area substrates. This high consistency significantly reduces the cost per unit area and minimises the need for correction during post-processing, thereby truly breaking down the cost barriers to the industrial application of diamond and accelerating the commercialisation of CVD diamond in fields such as heat sinks, optical windows and wear-resistant coatings.

> Large-size Diamond Growth Equipment - HMPS-9750S - MPCVD

As a specialist manufacturer of MPCVD equipment, Newman Hueray microwave has launched the HMPS-9750S MPCVD system, specifically designed for the growth of large-size diamonds, with particular strengths in the production of polycrystalline products. The system utilises a 915 MHz microwave frequency and is capable of producing 6- to 12-inch polycrystalline diamond products in a single chamber. In single-crystal growth mode, a single chamber can stably produce up to 1,000 pieces of 7 mm × 7 mm single-crystal diamonds. Equipped with a 75 kW high-power microwave source, the system supports the growth of larger polycrystalline diamonds, thereby significantly enhancing production efficiency and reducing unit costs, fully meeting the demands of large-scale industrial production. Furthermore, the equipment has achieved innovations and breakthroughs in several core technological areas, ensuring excellent product quality and process stability, effectively reducing production costs and enhancing market competitiveness.