How to grow diamonds by microwave plasma chemical vapour deposition process? -The origin of man-made diamonds

Tiny pieces of diamonds (diamond seeds, i.e. seed crystals) are placed on a silicon wafer and then heated by plasma, after a period of time, the rough diamonds are grown, which are then cut and polished and shaped to give the desired sparkling diamonds.

Plasma is the fourth state of matter and can be thought of as a very hot gas. So hot, in fact, that molecules and atoms are no longer the only things present in the gas phase, but rather a "soup" of ions and electrons, free radicals and reactants that are cloudy with each other.

The plasma, made up of hydrogen and carbon, dissolves the diamond seeds and creates an environment in which the seeds can grow into larger diamonds - this is the chemical vapour deposition process. The perfect growth of a diamond depends on the stability and reliability of the plasma heating, which can be generated by the excitation of microwaves. The reliability and stability of the microwave source is therefore the key to this process.

2450-6kw solid state microwave source - cvd system microwave generator

Wattsine Electronics, a high-tech company in microwave and plasma technology, Wattsine has developed solid-state power source systems and components that generate a unique high-temperature vapour-phase plasma, which is now widely used in plasma diamond deposition processes. Their high stability and reliability have helped to advance microwave plasma chemical vapour deposition process technology!