MPCVD
Microwave Plasma Chemical Vapor Deposition MPCVD Machine System Reactor for Lab and Diamond Growth
Item Number : KTMP315
Price varies based on specs and customizations
- Microwave Power
- Microwave frequency 2450±15MHZ
- Output power
- 1~10 KW continuously adjustable
- Microwave leakage
- ≤2MW/cm2
- Output wave guide interface
- WR340, 430 with FD-340, 430 standard flange
- Sample holder
- Diameter of sample table≥70mm, effective use area≥64 mm
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MPCVD means Microwave Plasma Chemical Vapor Deposition. It grows quality diamond films in labs using carbon gas and microwave plasma.
MPCVD System
MPCVD is a system for depositing thin films onto a substrate using a vacuum chamber, microwave generator, and gas delivery system. A plasma is generated inside the chamber by a magnetron or klystron generating microwaves at 2.45 GHz. The gas delivery system has MFCs calibrated in sccm to control gas flow. The substrate temperature is controlled by the plasma and measured by a thermocouple. The plasma heats the substrate and the temperature is monitored during deposition.
Applications
MPCVD shows promise for producing large, high-quality diamonds at a low cost.
Diamond's unique properties, such as hardness, stiffness, high thermal conductivity, low thermal expansion, radiation-hardness, and chemical inertness, make it a valuable material. However, the high cost, limited size, and difficulty controlling impurities of natural and synthetic high-pressure, high-temperature diamonds have limited their applications.
MPCVD is the primary equipment for growing diamond gemstones and films, which can be either monocrystal or poly-crystalline. The semi-conductor industry uses diamond film growth extensively for large-size diamond substrates, as well as the diamond cutting or drilling tools industry.
Compared to the HPHT method for lab-grown diamonds, the microwave CVD method is advantageous for large-sized diamond growth at a lower cost, making it an ideal solution for semi-conductor diamonds, optics diamond growth, and the large jewelry diamond market.
Advantages of MPCVD
MPCVD is a diamond synthesis method with advantages over HFCVD and DC-PJ CVD. It avoids contamination and allows for multiple gases. It offers smooth microwave power adjustment and stable temperature control, avoiding seed crystal loss. MPCVD is promising for industrial applications due to a large, stable plasma area.
MPCVD produces purer diamonds using less energy than HPHT. It also enables production of larger diamonds.
Advantages of Our MPCVD System
We have been deeply involved in the industry for many years, and as a result, we have a vast customer base who trust and use our equipment. Our MPCVD equipment has been running steadily for over 40,000 hours, demonstrating exceptional stability, reliability, repeatability, and cost-effectiveness. More advantages of our MPCVD system include:
- 3 inches substrate growing area, max. batch load up to 45 pieces diamonds
- 1-10Kw adjustable output microwave power for less electricity consumption
- Rich experienced researching team with frontier diamond growing recipe support
- Exclusive technical support program for Zero diamond growing experience team
By leveraging our accumulated advanced technology, we have implemented multiple rounds of upgrades and improvements to our MPCVD system, resulting in significantly improved efficiency and reduced equipment costs. As a result, our MPCVD equipment is at the forefront of technological advancements and offered at a competitive price. Welcome to consult with us.
Working Processing
The MPCVD machine controls the flow of each gas path and cavity pressure while introducing reactant gases (such as CH4, H2, Ar, O2, N2, etc.) into the cavity under specific pressure. After stabilizing the airflow, the 6KW solid-state microwave generator generates microwaves that are then introduced into the cavity through the waveguide.
The reaction gas transforms into a plasma state under the microwave field, forming a plasma ball that hovers above the diamond substrate. The high temperature of the plasma heats the substrate to a specific temperature. Excess heat produced in the cavity is dissipated by the water cooling unit.
To ensure optimal growth conditions during the MPCVD single crystal diamond growth process, we adjust factors such as power, gas source composition, and cavity pressure. Furthermore, since the plasma ball doesn't contact the cavity wall, the diamond growth process is free from impurities, thereby enhancing the diamond's quality.
Detail & Parts

Microwave system

Reaction chamber

Gas flow system

Vacuum and sensor system
Technical specifications
| Microwave system |
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| Reaction chamber |
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| Sample holder |
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| Gas flow system |
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| Cooling system |
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| Temperature sensor |
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| Control system |
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| Optional function |
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Warnings
Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.
Designed for You
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FAQ
What Is CVD Diamond Machine?
What Types Of Diamond Growth Machines Are Available?
What Is The Basic Principle Of CVD?
How Does A CVD Diamond Machine Work?
What Are The Advantages Of Lab Grown Diamonds?
What Are The Different Types Of CVD Method?
What Are The Advantages Of Using CVD Diamond Machines?
What Is The Price Of CVD Growing Machine?
What Are The Advantages Of Using Chemical Vapor Deposition Machines?
What Considerations Should Be Made When Selecting A CVD Diamond Machine?
What Are The Applications Of Chemical Vapor Deposition Machines?
What Are The Common Applications Of Diamonds Produced By CVD Diamond Machines?
What Factors Should Be Considered When Selecting A Chemical Vapor Deposition Machine?
Can Chemical Vapor Deposition Machines Be Used For Multi-layered Thin Film Deposition?
Product Datasheet
Microwave Plasma Chemical Vapor Deposition MPCVD Machine System Reactor for Lab and Diamond Growth
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