Industry: Machinery & Equipment
Published Date: 2025-02-13
Pages: 95 Pages
Report ld: 3731764
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The global MPCVD Machine for Lab and Diamond Growth market size was US$ million in 2024 and is forecast to a readjusted size of US$ million by 2031 with a CAGR of %during the forecast period 2025-2031.
Microwave plasma chemical vapor deposition (MPCVD) is the mainstream equipment for diamond growth. The gas sources used by MPCVD equipment mainly include hydrogen (H2), methane (CH4), nitrogen (N2) and oxygen (O2), which are cracked into H, O, N atoms or CH2, CH3, C2H2, OH and other groups under the action of microwave. Carbon containing groups (CH2, CH3, C2H2) will form gas-solid mixed interface on the diamond surface, and diamond (sp3), amorphous carbon or graphite (sp2) can be grown under the dynamic equilibrium model or non-equilibrium thermodynamic model. The etching speed of amorphous carbon or graphite (sp2) by hydrogen plasma is much faster than that of diamond (sp3), so the non diamond phase on the surface of CVD diamond is rapidly etched to achieve diamond growth. The basic structure of MPCVD equipment includes control unit, microwave unit, water cooling unit, vacuum unit, etc. The cavity is vacuumized through a vacuum unit to ensure the low vacuum state required for diamond growth. Then the control unit controls the flow rate and chamber pressure of each gas path, and leads the reaction gas source (CH4, H2, Ar, O2, N2, etc.) into the chamber and controls it at a certain chamber pressure. After the air flow is stabilized, microwave is generated through the microwave unit and guided into the cavity by the wave guide. Under the action of microwave field, the reaction gas is changed into plasma state to form a plasma ball suspended above the diamond substrate, and the substrate is heated to a certain temperature by using the high temperature of the plasma. The excess heat generated in the cavity is transmitted by the water cooling unit. In the MPCVD growth process of single crystal diamond, the optimal growth conditions are ensured by adjusting the power, gas source composition, cavity pressure and other conditions. In addition, due to the non contact between the plasma ball and the cavity wall, it ensures that there is no impurity particles in the diamond growth process and improves the diamond quality.
The North America MPCVD Machine for Lab and Diamond Growth market size was US$ million in 2024, while Europe was US$ million. The proportion of the North America was % in 2024, while Europe percentage was %, and it is predicted that Europe share will reach % in 2031, trailing a CAGR of % through the analysis period.
The global key manufacturers of MPCVD Machine for Lab and Diamond Growth include WEC Superabrasives, Wattsine, 6c Technology Ltd., Iplas GmbH, AllShare-Tech (Shanxi) Co., Ltd., Shenzhen Uniplasma Technology Co., Ltd., PLASSYS, Advanced Environmental Technologies Limited, Zhengzhou CY Scientific Instrument Co., Ltd., Kindle Tech Group Limited, etc. In 2024, the global top five players occupied for a share approximately % in terms of revenue.
In North America, in terms of sales volume, in 2024, the top three players hold a share about %, while in Europe, top three players hold a share nearly %.
The global MPCVD Machine for Lab and Diamond Growth market is segmented by company, region (country), by Type, and by Application. Players, stakeholders, and other participants in the global MPCVD Machine for Lab and Diamond Growth market will be able to gain the upper hand as they use the report as a powerful resource. The segmental analysis focuses on sales, revenue and forecast by region (country), by Type and by Application for the period 2020-2031.
MARKET SEGMENTATION
CHAPTER OUTLINE
Chapter 1: Introduces the report scope of the report, executive summary of different market segments (by Type, and by Application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 2: Sales and revenue of MPCVD Machine for Lab and Diamond Growth in global, regional level and country level. It provides a quantitative analysis of the market size and development potential of each region.
Chapter 3: Detailed analysis of MPCVD Machine for Lab and Diamond Growth manufacturers competitive landscape, sales, revenue, price, market share and industry ranking, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides the analysis of various market segments by Type, covering the sales, revenue, price, and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 5: Provides the analysis of various market segments by Application, covering the sales, revenue, price, and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 6: Region analysis by company, by customer, by Type, by Application, sales, revenue, and price for each segment,
Chapter 7: Provides profiles of key manufacturers, introducing the basic situation of the main companies in the market in detail, including product descriptions and specifications, MPCVD Machine for Lab and Diamond Growth revenue, gross margin, and recent development, etc.
Chapter 8: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 9: Sales channels analysis
Chapter 10: Introduces the market dynamics, latest developments of the market, the driving factors and restrictive factors of the market, the challenges and risks faced by manufacturers in the industry, and the analysis of relevant policies in the industry.
Chapter 11: The main points and conclusions of the report.
QYRESEARCH'S STRENGTHS
Unlike generic global market reports, this study combines macro-level industry trends with hyper-local operational intelligence, empowering data-driven decisions across the Compound Chocolate value chain, addressing:
We identify regional market threats and growth prospects to guide your overseas layout.
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We unpack rivals’ operation strategies for scattered and highly concentrated industries.
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TABLE OF CONTENTS
1 Market Overview
1.1 MPCVD Machine for Lab and Diamond Growth Product Scope
1.2 MPCVD Machine for Lab and Diamond Growth by Type
1.2.1 Global MPCVD Machine for Lab and Diamond Growth Sales by Type (2020 & 2024 & 2031)
1.2.2 Fully Automatic
1.2.3 Semi-automatic
1.3 MPCVD Machine for Lab and Diamond Growth by Application
1.3.1 Global MPCVD Machine for Lab and Diamond Growth Sales Comparison by Application (2020 & 2024 & 2031)
1.3.2 Chemical vapor deposition (CVD) of Single Crystal and Polycrystalline Diamond Films and Diamond-like Films
1.3.3 Surface Treatment and Modification of Materials
1.3.4 Growth of Low Temperature Oxides
1.4 Global MPCVD Machine for Lab and Diamond Growth Market Estimates and Forecasts (2020-2031)
1.4.1 Global MPCVD Machine for Lab and Diamond Growth Market Size in Value Growth Rate (2020-2031)
1.4.2 Global MPCVD Machine for Lab and Diamond Growth Market Size in Volume Growth Rate (2020-2031)
1.4.3 Global MPCVD Machine for Lab and Diamond Growth Price Trends (2020-2031)
1.5 Assumptions and Limitations
2 Market Size and Prospective by Region
2.1 Global MPCVD Machine for Lab and Diamond Growth Market Size by Region: 2020 VS 2024 VS 2031
2.2 Global MPCVD Machine for Lab and Diamond Growth Retrospective Market Scenario by Region (2020-2025)
2.2.1 Global MPCVD Machine for Lab and Diamond Growth Sales Market Share by Region (2020-2025)
2.2.2 Global MPCVD Machine for Lab and Diamond Growth Revenue Market Share by Region (2020-2025)
2.3 Global MPCVD Machine for Lab and Diamond Growth Market Estimates and Forecasts by Region (2026-2031)
2.3.1 Global MPCVD Machine for Lab and Diamond Growth Sales Estimates and Forecasts by Region (2026-2031)
2.3.2 Global MPCVD Machine for Lab and Diamond Growth Revenue Forecast by Region (2026-2031)
2.4 Major Region and Emerging Market Analysis
2.4.1 North America MPCVD Machine for Lab and Diamond Growth Market Size and Prospective (2020-2031)
2.4.2 Europe MPCVD Machine for Lab and Diamond Growth Market Size and Prospective (2020-2031)
2.4.3 China MPCVD Machine for Lab and Diamond Growth Market Size and Prospective (2020-2031)
2.4.4 Japan MPCVD Machine for Lab and Diamond Growth Market Size and Prospective (2020-2031)
3 Global Market Size by Type
3.1 Global MPCVD Machine for Lab and Diamond Growth Historic Market Review by Type (2020-2025)
3.1.1 Global MPCVD Machine for Lab and Diamond Growth Sales by Type (2020-2025)
3.1.2 Global MPCVD Machine for Lab and Diamond Growth Revenue by Type (2020-2025)
3.1.3 Global MPCVD Machine for Lab and Diamond Growth Price by Type (2020-2025)
3.2 Global MPCVD Machine for Lab and Diamond Growth Market Estimates and Forecasts by Type (2026-2031)
3.2.1 Global MPCVD Machine for Lab and Diamond Growth Sales Forecast by Type (2026-2031)
3.2.2 Global MPCVD Machine for Lab and Diamond Growth Revenue Forecast by Type (2026-2031)
3.2.3 Global MPCVD Machine for Lab and Diamond Growth Price Forecast by Type (2026-2031)
3.3 Different Types MPCVD Machine for Lab and Diamond Growth Representative Players
4 Global Market Size by Application
4.1 Global MPCVD Machine for Lab and Diamond Growth Historic Market Review by Application (2020-2025)
4.1.1 Global MPCVD Machine for Lab and Diamond Growth Sales by Application (2020-2025)
4.1.2 Global MPCVD Machine for Lab and Diamond Growth Revenue by Application (2020-2025)
4.1.3 Global MPCVD Machine for Lab and Diamond Growth Price by Application (2020-2025)
4.2 Global MPCVD Machine for Lab and Diamond Growth Market Estimates and Forecasts by Application (2026-2031)
4.2.1 Global MPCVD Machine for Lab and Diamond Growth Sales Forecast by Application (2026-2031)
4.2.2 Global MPCVD Machine for Lab and Diamond Growth Revenue Forecast by Application (2026-2031)
4.2.3 Global MPCVD Machine for Lab and Diamond Growth Price Forecast by Application (2026-2031)
4.3 New Sources of Growth in MPCVD Machine for Lab and Diamond Growth Application
5 Competition Landscape by Players
5.1 Global MPCVD Machine for Lab and Diamond Growth Sales by Players (2020-2025)
5.2 Global Top MPCVD Machine for Lab and Diamond Growth Players by Revenue (2020-2025)
5.3 Global MPCVD Machine for Lab and Diamond Growth Market Share by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in MPCVD Machine for Lab and Diamond Growth as of 2024)
5.4 Global MPCVD Machine for Lab and Diamond Growth Average Price by Company (2020-2025)
5.5 Global Key Manufacturers of MPCVD Machine for Lab and Diamond Growth, Manufacturing Sites & Headquarters
5.6 Global Key Manufacturers of MPCVD Machine for Lab and Diamond Growth, Product Type & Application
5.7 Global Key Manufacturers of MPCVD Machine for Lab and Diamond Growth, Date of Enter into This Industry
5.8 Manufacturers Mergers & Acquisitions, Expansion Plans
6 Region Analysis
6.1 North America Market: Players, Segments, Downstream and Major Customers
6.1.1 North America MPCVD Machine for Lab and Diamond Growth Sales by Company
6.1.1.1 North America MPCVD Machine for Lab and Diamond Growth Sales by Company (2020-2025)
6.1.1.2 North America MPCVD Machine for Lab and Diamond Growth Revenue by Company (2020-2025)
6.1.2 North America MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Type (2020-2025)
6.1.3 North America MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Application (2020-2025)
6.1.4 North America MPCVD Machine for Lab and Diamond Growth Major Customer
6.1.5 North America Market Trend and Opportunities
6.2 Europe Market: Players, Segments, Downstream and Major Customers
6.2.1 Europe MPCVD Machine for Lab and Diamond Growth Sales by Company
6.2.1.1 Europe MPCVD Machine for Lab and Diamond Growth Sales by Company (2020-2025)
6.2.1.2 Europe MPCVD Machine for Lab and Diamond Growth Revenue by Company (2020-2025)
6.2.2 Europe MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Type (2020-2025)
6.2.3 Europe MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Application (2020-2025)
6.2.4 Europe MPCVD Machine for Lab and Diamond Growth Major Customer
6.2.5 Europe Market Trend and Opportunities
6.3 China Market: Players, Segments, Downstream and Major Customers
6.3.1 China MPCVD Machine for Lab and Diamond Growth Sales by Company
6.3.1.1 China MPCVD Machine for Lab and Diamond Growth Sales by Company (2020-2025)
6.3.1.2 China MPCVD Machine for Lab and Diamond Growth Revenue by Company (2020-2025)
6.3.2 China MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Type (2020-2025)
6.3.3 China MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Application (2020-2025)
6.3.4 China MPCVD Machine for Lab and Diamond Growth Major Customer
6.3.5 China Market Trend and Opportunities
6.4 Japan Market: Players, Segments, Downstream and Major Customers
6.4.1 Japan MPCVD Machine for Lab and Diamond Growth Sales by Company
6.4.1.1 Japan MPCVD Machine for Lab and Diamond Growth Sales by Company (2020-2025)
6.4.1.2 Japan MPCVD Machine for Lab and Diamond Growth Revenue by Company (2020-2025)
6.4.2 Japan MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Type (2020-2025)
6.4.3 Japan MPCVD Machine for Lab and Diamond Growth Sales Breakdown by Application (2020-2025)
6.4.4 Japan MPCVD Machine for Lab and Diamond Growth Major Customer
6.4.5 Japan Market Trend and Opportunities
7 Company Profiles and Key Figures
7.1 WEC Superabrasives
7.1.1 WEC Superabrasives Company Information
7.1.2 WEC Superabrasives Business Overview
7.1.3 WEC Superabrasives MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.1.4 WEC Superabrasives MPCVD Machine for Lab and Diamond Growth Products Offered
7.1.5 WEC Superabrasives Recent Development
7.2 Wattsine
7.2.1 Wattsine Company Information
7.2.2 Wattsine Business Overview
7.2.3 Wattsine MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.2.4 Wattsine MPCVD Machine for Lab and Diamond Growth Products Offered
7.2.5 Wattsine Recent Development
7.3 6c Technology Ltd.
7.3.1 6c Technology Ltd. Company Information
7.3.2 6c Technology Ltd. Business Overview
7.3.3 6c Technology Ltd. MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.3.4 6c Technology Ltd. MPCVD Machine for Lab and Diamond Growth Products Offered
7.3.5 6c Technology Ltd. Recent Development
7.4 Iplas GmbH
7.4.1 Iplas GmbH Company Information
7.4.2 Iplas GmbH Business Overview
7.4.3 Iplas GmbH MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.4.4 Iplas GmbH MPCVD Machine for Lab and Diamond Growth Products Offered
7.4.5 Iplas GmbH Recent Development
7.5 AllShare-Tech (Shanxi) Co., Ltd.
7.5.1 AllShare-Tech (Shanxi) Co., Ltd. Company Information
7.5.2 AllShare-Tech (Shanxi) Co., Ltd. Business Overview
7.5.3 AllShare-Tech (Shanxi) Co., Ltd. MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.5.4 AllShare-Tech (Shanxi) Co., Ltd. MPCVD Machine for Lab and Diamond Growth Products Offered
7.5.5 AllShare-Tech (Shanxi) Co., Ltd. Recent Development
7.6 Shenzhen Uniplasma Technology Co., Ltd.
7.6.1 Shenzhen Uniplasma Technology Co., Ltd. Company Information
7.6.2 Shenzhen Uniplasma Technology Co., Ltd. Business Overview
7.6.3 Shenzhen Uniplasma Technology Co., Ltd. MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.6.4 Shenzhen Uniplasma Technology Co., Ltd. MPCVD Machine for Lab and Diamond Growth Products Offered
7.6.5 Shenzhen Uniplasma Technology Co., Ltd. Recent Development
7.7 PLASSYS
7.7.1 PLASSYS Company Information
7.7.2 PLASSYS Business Overview
7.7.3 PLASSYS MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.7.4 PLASSYS MPCVD Machine for Lab and Diamond Growth Products Offered
7.7.5 PLASSYS Recent Development
7.8 Advanced Environmental Technologies Limited
7.8.1 Advanced Environmental Technologies Limited Company Information
7.8.2 Advanced Environmental Technologies Limited Business Overview
7.8.3 Advanced Environmental Technologies Limited MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.8.4 Advanced Environmental Technologies Limited MPCVD Machine for Lab and Diamond Growth Products Offered
7.8.5 Advanced Environmental Technologies Limited Recent Development
7.9 Zhengzhou CY Scientific Instrument Co., Ltd.
7.9.1 Zhengzhou CY Scientific Instrument Co., Ltd. Company Information
7.9.2 Zhengzhou CY Scientific Instrument Co., Ltd. Business Overview
7.9.3 Zhengzhou CY Scientific Instrument Co., Ltd. MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.9.4 Zhengzhou CY Scientific Instrument Co., Ltd. MPCVD Machine for Lab and Diamond Growth Products Offered
7.9.5 Zhengzhou CY Scientific Instrument Co., Ltd. Recent Development
7.10 Kindle Tech Group Limited
7.10.1 Kindle Tech Group Limited Company Information
7.10.2 Kindle Tech Group Limited Business Overview
7.10.3 Kindle Tech Group Limited MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.10.4 Kindle Tech Group Limited MPCVD Machine for Lab and Diamond Growth Products Offered
7.10.5 Kindle Tech Group Limited Recent Development
7.11 Glomro
7.11.1 Glomro Company Information
7.11.2 Glomro Business Overview
7.11.3 Glomro MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.11.4 Glomro MPCVD Machine for Lab and Diamond Growth Products Offered
7.11.5 Glomro Recent Development
7.12 Carat Systems
7.12.1 Carat Systems Company Information
7.12.2 Carat Systems Business Overview
7.12.3 Carat Systems MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.12.4 Carat Systems MPCVD Machine for Lab and Diamond Growth Products Offered
7.12.5 Carat Systems Recent Development
7.13 MICROPHASE CO., LTD.
7.13.1 MICROPHASE CO., LTD. Company Information
7.13.2 MICROPHASE CO., LTD. Business Overview
7.13.3 MICROPHASE CO., LTD. MPCVD Machine for Lab and Diamond Growth Sales, Revenue and Gross Margin (2020-2025)
7.13.4 MICROPHASE CO., LTD. MPCVD Machine for Lab and Diamond Growth Products Offered
7.13.5 MICROPHASE CO., LTD. Recent Development
8 MPCVD Machine for Lab and Diamond Growth Manufacturing Cost Analysis
8.1 MPCVD Machine for Lab and Diamond Growth Key Raw Materials Analysis
8.1.1 Key Raw Materials
8.1.2 Key Suppliers of Raw Materials
8.2 Proportion of Manufacturing Cost Structure
8.3 Manufacturing Process Analysis of MPCVD Machine for Lab and Diamond Growth
8.4 MPCVD Machine for Lab and Diamond Growth Industrial Chain Analysis
9 Marketing Channel, Distributors and Customers
9.1 Marketing Channel
9.2 MPCVD Machine for Lab and Diamond Growth Distributors List
9.3 MPCVD Machine for Lab and Diamond Growth Customers
10 MPCVD Machine for Lab and Diamond Growth Market Dynamics
10.1 MPCVD Machine for Lab and Diamond Growth Industry Trends
10.2 MPCVD Machine for Lab and Diamond Growth Market Drivers
10.3 MPCVD Machine for Lab and Diamond Growth Market Challenges
10.4 MPCVD Machine for Lab and Diamond Growth Market Restraints
11 Research Findings and Conclusion
12 Appendix
12.1 Research Methodology
12.1.1 Methodology/Research Approach
12.1.1.1 Research Programs/Design
12.1.1.2 Market Size Estimation
12.1.1.3 Market Breakdown and Data Triangulation
12.1.2 Data Source
12.1.2.1 Secondary Sources
12.1.2.2 Primary Sources
12.2 Author Details
12.3 Disclaimer
TABLE OF FIGURES
List of Tables
List of Figures
KEY QUESTIONS ADDRESSED BY THE REPORT
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Published: 2025-02-13
Pages: 104
Microwave plasma chemical vapor deposition (MPCVD) is the mainstream equipment for diamond growth. The gas sources used by MPCVD equipment mainly include hydrogen (H2), methane (CH4), nitrogen (N2) and oxygen (O2), which are cracked into H, O, N atoms or CH2, CH3, C2H2, OH and other groups under the action of microwave. Carbon containing groups (CH2, CH3, C2H2) will form gas-solid mixed interface on the diamond surface, and diamond (sp3), amorphous carbon or graphite (sp2) can be grown under the dynamic equilibrium model or non-equilibrium thermodynamic model. The etching speed of amorphous carbon or graphite (sp2) by hydrogen plasma is much faster than that of diamond (sp3), so the non diamond phase on the surface of CVD diamond is rapidly etched to achieve diamond growth. The basic structure of MPCVD equipment includes control unit, microwave unit, water cooling unit, vacuum unit, etc. The cavity is vacuumized through a vacuum unit to ensure the low vacuum state required for diamond growth. Then the control unit controls the flow rate and chamber pressure of each gas path, and leads the reaction gas source (CH4, H2, Ar, O2, N2, etc.) into the chamber and controls it at a certain chamber pressure. After the air flow is stabilized, microwave is generated through the microwave unit and guided into the cavity by the wave guide. Under the action of microwave field, the reaction gas is changed into plasma state to form a plasma ball suspended above the diamond substrate, and the substrate is heated to a certain temperature by using the high temperature of the plasma. The excess heat generated in the cavity is transmitted by the water cooling unit. In the MPCVD growth process of single crystal diamond, the optimal growth conditions are ensured by adjusting the power, gas source composition, cavity pressure and other conditions. In addition, due to the non contact between the plasma ball and the cavity wall, it ensures that there is no impurity particles in the diamond growth process and improves the diamond quality.
Published: 2024-04-13
Pages: 106
Microwave plasma chemical vapor deposition (MPCVD) is the mainstream equipment for diamond growth. The gas sources used by MPCVD equipment mainly include hydrogen (H2), methane (CH4), nitrogen (N2) and oxygen (O2), which are cracked into H, O, N atoms or CH2, CH3, C2H2, OH and other groups under the action of microwave. Carbon containing groups (CH2, CH3, C2H2) will form gas-solid mixed interface on the diamond surface, and diamond (sp3), amorphous carbon or graphite (sp2) can be grown under the dynamic equilibrium model or non-equilibrium thermodynamic model. The etching speed of amorphous carbon or graphite (sp2) by hydrogen plasma is much faster than that of diamond (sp3), so the non diamond phase on the surface of CVD diamond is rapidly etched to achieve diamond growth. The basic structure of MPCVD equipment includes control unit, microwave unit, water cooling unit, vacuum unit, etc. The cavity is vacuumized through a vacuum unit to ensure the low vacuum state required for diamond growth. Then the control unit controls the flow rate and chamber pressure of each gas path, and leads the reaction gas source (CH4, H2, Ar, O2, N2, etc.) into the chamber and controls it at a certain chamber pressure. After the air flow is stabilized, microwave is generated through the microwave unit and guided into the cavity by the wave guide. Under the action of microwave field, the reaction gas is changed into plasma state to form a plasma ball suspended above the diamond substrate, and the substrate is heated to a certain temperature by using the high temperature of the plasma. The excess heat generated in the cavity is transmitted by the water cooling unit. In the MPCVD growth process of single crystal diamond, the optimal growth conditions are ensured by adjusting the power, gas source composition, cavity pressure and other conditions. In addition, due to the non contact between the plasma ball and the cavity wall, it ensures that there is no impurity particles in the diamond growth process and improves the diamond quality.
Published: 2024-02-19
Pages: 125
Microwave plasma chemical vapor deposition (MPCVD) is the mainstream equipment for diamond growth. The gas sources used by MPCVD equipment mainly include hydrogen (H2), methane (CH4), nitrogen (N2) and oxygen (O2), which are cracked into H, O, N atoms or CH2, CH3, C2H2, OH and other groups under the action of microwave. Carbon containing groups (CH2, CH3, C2H2) will form gas-solid mixed interface on the diamond surface, and diamond (sp3), amorphous carbon or graphite (sp2) can be grown under the dynamic equilibrium model or non-equilibrium thermodynamic model. The etching speed of amorphous carbon or graphite (sp2) by hydrogen plasma is much faster than that of diamond (sp3), so the non diamond phase on the surface of CVD diamond is rapidly etched to achieve diamond growth. The basic structure of MPCVD equipment includes control unit, microwave unit, water cooling unit, vacuum unit, etc. The cavity is vacuumized through a vacuum unit to ensure the low vacuum state required for diamond growth. Then the control unit controls the flow rate and chamber pressure of each gas path, and leads the reaction gas source (CH4, H2, Ar, O2, N2, etc.) into the chamber and controls it at a certain chamber pressure. After the air flow is stabilized, microwave is generated through the microwave unit and guided into the cavity by the wave guide. Under the action of microwave field, the reaction gas is changed into plasma state to form a plasma ball suspended above the diamond substrate, and the substrate is heated to a certain temperature by using the high temperature of the plasma. The excess heat generated in the cavity is transmitted by the water cooling unit. In the MPCVD growth process of single crystal diamond, the optimal growth conditions are ensured by adjusting the power, gas source composition, cavity pressure and other conditions. In addition, due to the non contact between the plasma ball and the cavity wall, it ensures that there is no impurity particles in the diamond growth process and improves the diamond quality.
Published: 2024-02-14
Pages: 95
REPORT COVERAGE
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OVERVIEW
MARKET SEGMENTATION
CHAPTER OUTLINE
QYRESEARCH'S STRENGTHS
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