Products Thermal Equipment MPCVD 915MHz MPCVD Diamond Machine
915MHz MPCVD Diamond Machine

MPCVD

915MHz MPCVD Diamond Machine

Item Number : MP-CVD-101

Price varies based on specs and customizations


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Introduce

The MPCVD Diamond Machine is a revolutionary technology that utilizes Microwave Plasma Chemical Vapor Deposition (MPCVD) to synthesize diamonds. This advanced method enables faster crystal growth, higher production capacity, and enhanced diamond quality compared to traditional techniques.

The MPCVD Diamond Machine allows for precise control of microwave power and reaction temperature, eliminating issues faced in other CVD methods. By optimizing the reaction chamber design and process parameters, it achieves stable plasma discharge, crucial for producing high-quality, large-size single-crystal diamonds.

The versatility of the MPCVD Diamond Machine extends to its ability to create diamonds in various colors, including white, yellow, pink, and blue. Moreover, it offers customizable production to cater to specific market demands.

Application 

MPCVD Diamond Machines are widely used in various industries due to the unique properties of diamonds, such as their hardness, stiffness, high thermal conductivity, low thermal expansion, radiation-hardness, and chemical inertness. Here are some of the main application areas of MPCVD Diamond Machines:

  • Diamond gemstones: MPCVD is the primary equipment used for growing high-quality, large-size diamond gemstones.
  • Diamond films: MPCVD is used to grow diamond films for a variety of applications, including large-size diamond substrates for the semiconductor industry and diamond cutting or drilling tools.
  • Industrial applications: MPCVD is used to produce diamond coatings for cutting tools, drill bits, and other industrial applications where extreme hardness and durability are required.
  • Biomedical applications: MPCVD is used to produce diamond coatings for medical implants, such as artificial joints and dental implants, where biocompatibility and durability are essential.
  • Optoelectronics: MPCVD is used to produce diamond windows and substrates for optoelectronic devices, such as high-power lasers and detectors, where high thermal conductivity and low thermal expansion are critical.

Detail & Parts

MPCVD details

MPCVD details

Principle

Microwave Plasma Chemical Vapor Deposition (MPCVD) is a chemical vapor deposition process that utilizes a continuous microwave source to generate and sustain a highly reactive plasma composed of reacting chemicals and essential catalysts. MPCVD is widely employed to deposit diamond layers—methane and hydrogen are introduced and utilized to cultivate new diamond on a diamond-seeded substrate.

Features

The MPCVD Diamond Machine features several advantages that benefit customers:

  • Faster crystal growth speed: 10-100 times faster than traditional methods, resulting in increased production efficiency.
  • More production capacity: Enables higher production capacity in a single batch, allowing for larger-scale diamond synthesis.
  • Higher quality performance:Produces diamonds with higher hardness and toughness than natural diamonds, ensuring durability and longevity.
  • More diversified colors: Supports the production of diamonds in a range of colors, including white, yellow, pink, and blue, catering to diverse market demands.
  • Higher diamond purity: Produces diamonds with higher purity than natural diamond Type II, ensuring exceptional optical properties and suitability for various applications.
  • Multi-style customization: Offers customizable designs to meet specific market requirements, providing tailored solutions for different industries.

Technical specifications

Microwave system (according to optional power supply)

  • Operating frequency:915±15MHz
  • Output power:3-75kW continuously adjustable
  • Cooling water flow:120/min
  • System standing wave coefficient:VSWR≤1.5
  • Microwave leakage:<2mw/cm2

Vacuum system and reaction chamber

  • Leakage rate <5×10-9Pa.m3/s
  • The ultimate pressure is less than 0.7Pa (this machine comes with imported Pirani vacuum gauge)
  • The pressure rise in the cavity shall not exceed 50Pa after 12 hours of maintaining pressure.
  • Reaction chamber working mode: TM021 or TM023 mode
  • Cavity type: cooled cylindrical cavity, can carry power up to 75KW, high purity ,Stone ring seal.
  • Inlet method: Top sprinkler head inlet.
  • Observation temperature measurement window: 8 observation holes, evenly distributed horizontally. 
  • Sampling port: bottom lifting sampling port

Sample holder system

  • Sample stage diameter ≥200mm, single crystal effective use area ≥130mm,The effective use area of polycrystalline is ≥200mm. Substrate platform water-cooled sandwich structure, vertical straight up and down.

Gas system

  • Full metal welded gas plate 5-7 gas lines
  • All internal air circuits of the equipment use welding or VCR connectors.

System cooling

  • 3-way water cooling, real-time monitoring of temperature and flow.
  • System cooling water flow 120L/min, cooling water pressure <4KG, inlet water Temperature 20-25. 

Temperature measurement method

  • External infrared thermometer, temperature range 3001400 M

SL901A Equipment key part list

serial number Module name Remark
1 Microwave power supply Standard domestic magnetron: Yingjie Electric / Distinguish power supply Domestic solid-state source: Watson (+30,000) Imported magnetron: MKS/ pastoral (+100, 000)
2 Waveguide, three pins, mode converter, upper resonator Self made
3 Vacuum reaction chamber (upper chamber, lower chamber, connectors) Self made
4 Infrared thermometers, optical displacement components, brackets Infrared thermometers, optical displacement components, Fuji Gold Siemens + Schneider brackets
5 Water-cooling table motion components (cylinders, workpieces, etc.)
6 Ceramic thin film vacuum gauge,Pirani vacuum gauge Inficon
7 Vacuum valve components (ultra-high vacuum gate valve, precision pneumatic valve*2, electromagnetic vacuum charging differential valve) Fujikin + Zhongke + Himat
8 Vacuum pump and connecting pipe fittings, tee, KF25 bellows*2, adapter Pump: Flyover 16L
9 Metal microwave sealing ring*2; metal vacuum sealing ring*1; Quartz plate Quartz: Shanghai FeilihuaSemiconductor Grade High Purity Quartz
10 Circulating water components (joints, diverter blocks, flow detectors) Japanese SMC/CKD
11 Pneumatic part (CKD filter, airtac multi-way solenoid valve, pipe fittings and adapters)
12 Gas connector, EP gas pipe, VCR connector, filter 0.0023μm *1, filter 10μm*2 Fujikin
13 Machine casing, stainless steel table, universal wheels, feet, bracket fastening screws, etc custom processing
14 Gas flow meter*6 (including one pressure control) Standard seven-star , optional Fuji Gold ( +34,000 ) / Alicat (42,000)
15 Gas plate processing (5-way gas, filter*5, pneumatic valve*5, manual valve*6, pipeline welding) Fuji Gold
16 PLC automatic control Siemens + Schneider
17 Molybdenum table

Advantages

  • Faster crystal growth speed - 10-100 times faster than traditional methods
  • More production capacity - more production capacity in a single batch
  • Higher quality performance - higher hardness and toughness than natural diamonds
  • More diversified colors - white, yellow, pink, blue, etc.
  • Higher diamond purity - purer than natural diamond Type
  • Multi style customization can be customized according to different market

FAQ

What Is Mpcvd?

MPCVD stands for Microwave Plasma Chemical Vapor Deposition and it is a process of depositing thin films onto a surface. It uses a vacuum chamber, microwave generator, and gas delivery system to create a plasma made up of reacting chemicals and necessary catalysts. MPCVD is heavily used in the ANFF network to deposit layers of diamond using methane and hydrogen to grow new diamond on a diamond-seeded substrate. It is a promising technology for producing low-cost, high-quality large diamonds and is extensively used in the semiconductor and diamond cutting industry.

What Is CVD Diamond Machine?

A CVD diamond machine is a device used to produce synthetic diamonds through a process called Chemical Vapor Deposition (CVD). This process involves the precipitation of chemical vapors to create a diamond, which has properties that are equivalent to natural diamonds. CVD diamond machines including filament-assisted thermal CVD, plasma-enhanced CVD, and combustion-flame assisted CVD etc. The resulting CVD diamonds are useful in the cutting tools industry due to their high hardness and long-lasting tool life, making them an important and cost-effective tool for cutting non-ferrous materials.

What Types Of Diamond Growth Machines Are Available?

Several machines are available for growing artificial diamonds, including hot filament CVD, DC current plasma flame CVD, microwave plasma-enhanced chemical vapor deposition (MPCVD), and micro plasma CVD (MPCVD). Among these, MPCVD is widely used due to its homogeneous heating by microwave. Additionally, the growth rate of diamond can be increased by increasing plasma density, and nitrogen can be added to improve diamond growth rate. To achieve a flat surface, various polishing techniques, including mechanical and chemo-mechanical polishing, can be used. Large size diamond growth can be achieved through mosaic growth or heteroepitaxial growth.

What Is Mpcvd Machine?

The MPCVD (Microwave Plasma Chemical Vapor Deposition) machine is a laboratory equipment used to grow high-quality diamond films. It uses a carbon-containing gas and a microwave plasma to create a plasma ball above the diamond substrate, which heats it to a specific temperature. The plasma ball doesn't contact the cavity wall, making the diamond growth process free from impurities and enhancing the diamond's quality. The MPCVD system consists of a vacuum chamber, a microwave generator, and a gas delivery system that controls the flow of gas into the chamber.

How Does A CVD Diamond Machine Work?

CVD diamond machines work by introducing a mixture of gases, typically methane and hydrogen, into a vacuum chamber. The gases are then activated using a variety of techniques such as microwave plasma or hot filament, which breaks down the molecules and releases carbon atoms. These carbon atoms then settle on the substrate, building up layer by layer to form a synthetic diamond.

What Are The Advantages Of Lab Grown Diamonds?

The advantages of lab grown diamonds include knowing their origin, lower price point, being more environmentally friendly, and the ability to create colored diamonds more easily. Lab grown diamonds are almost 100% certain of their origin, making them free from conflict, child exploitation, or war. They are also at least 20% cheaper than natural diamonds of the same size, clarity, and cut. Lab grown diamonds are more sustainable as there is no mining involved and they require less environmental impact. Lastly, synthetic colored diamonds are easier to manufacture in a wide range of colors and come at a significantly cheaper price point.

What Are The Advantages Of Mpcvd?

MPCVD has several advantages over other methods of diamond production, such as higher purity, less energy consumption, and the ability to produce larger diamonds.

What Are The Advantages Of Using CVD Diamond Machines?

CVD diamond machines offer several advantages over other methods of diamond production. Firstly, they allow for the creation of high-quality, near-flawless diamonds with precise control over their shape, size, and clarity. These machines also enable the production of diamonds with specific properties, such as color or electrical conductivity, by introducing appropriate dopant gases during the deposition process. Additionally, CVD diamond machines are more environmentally friendly compared to traditional diamond mining, as they minimize the social and environmental impacts associated with diamond extraction.

What Is The Price Of CVD Growing Machine?

The price of a CVD growing machine can vary widely depending on the size and complexity of the unit. Small tabletop models designed for research and development purposes may cost around $50,000, while industrial-scale machines capable of producing large quantities of high-quality diamonds can cost upwards of $200,000. However, the price of CVD diamonds is generally lower than mined diamonds, making them a more affordable option for consumers.

Are CVD Diamonds Real Or Fake?

CVD diamonds are real diamonds and not fake. They are grown in a laboratory through a process called Chemical Vapor Deposition (CVD). Unlike natural diamonds that are mined from under the earth's surface, CVD diamonds are created using advanced technology in labs. These diamonds are 100% carbon and are the purest form of diamonds known as Type IIa diamonds. They have the same optical, thermal, physical, and chemical properties as natural diamonds. The only difference is that CVD diamonds are created in a lab and not mined from the earth.

What Considerations Should Be Made When Selecting A CVD Diamond Machine?

When selecting a CVD diamond machine, several factors should be considered. Firstly, the size and capacity of the machine should align with the intended production requirements. The deposition chamber size should accommodate the desired substrate dimensions and allow for scalability. The control and automation capabilities of the machine should also be assessed to ensure ease of operation and reproducibility. Additionally, the machine's heating and activation methods should be evaluated for efficiency and uniformity of diamond growth. It is also important to consider the availability of technical support, maintenance services, and the overall cost of ownership. Consulting with manufacturers and experts in the field can help in selecting the most suitable CVD diamond machine for specific production needs.

What Are The Common Applications Of Diamonds Produced By CVD Diamond Machines?

Diamonds produced by CVD diamond machines have a wide range of applications. They are commonly used in jewelry, as they offer the same beauty and durability as natural diamonds. CVD diamonds are also highly valued in industrial applications, such as cutting tools, abrasives, and heat sinks, due to their exceptional hardness and thermal conductivity. They are used in the electronics industry for high-performance electronic devices, such as high-power transistors and radiation detectors. CVD diamonds are also finding applications in the medical field, including surgical tools, optical components, and as coatings for implants due to their biocompatibility.
View more faqs for this product

4.8

out of

5

I'm marvelled by the MPCVD machine's ability to produce high-purity diamonds with minimal energy consumption.

Elena Volkova

4.9

out of

5

The MPCVD machine has revolutionized diamond synthesis, enabling the production of larger diamonds with exceptional quality.

Aiden Smith

4.7

out of

5

I highly recommend the MPCVD machine for its durability and cost-effectiveness. It's a game-changer in diamond synthesis.

Isabella Garcia

4.6

out of

5

The MPCVD machine is user-friendly and requires minimal maintenance. It's a valuable asset for any laboratory.

Liam Brown

4.8

out of

5

The MPCVD machine has enabled us to produce high-quality diamonds for various industrial applications. It's a reliable and efficient machine.

Sophia Patel

4.9

out of

5

The MPCVD machine's ability to adjust microwave power and control reaction temperature precisely is remarkable. It ensures consistent and high-quality diamond synthesis.

Jackson Kim

4.7

out of

5

The MPCVD machine stands out with its large-area stable discharge plasma, which enables the production of high-quality, large-sized single crystal diamonds.

Mia Rodriguez

4.6

out of

5

I'm thoroughly impressed with the MPCVD machine's ability to avoid contamination and produce purer diamonds compared to traditional methods.

Oliver Chen

4.8

out of

5

The MPCVD machine is an excellent choice for laboratories seeking to produce high-quality diamonds for research and industrial applications.

Ava Johnson

4.9

out of

5

The MPCVD machine has exceeded our expectations. It's a valuable addition to our laboratory, enabling us to produce diamonds with remarkable properties.

Lucas Baker

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