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CVD Diamond for Thermal Management Applications

CVD materials

CVD Diamond for Thermal Management Applications

Item Number : cvdm-02

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Introduction

CVD diamond is a crystalline diamond grown by chemical vapor deposition (CVD) method. It is a promising application of diamond as a heat spreader material for various applications. CVD diamond provides the highest thermal conductivity of any material, which is approximately 2000 W/mK, which is five times higher than that of copper at room temperature. It is used in a variety of applications including ultra-wide band gap semiconductors, optical components, thermal spreaders, and wear-resistant coatings.

CVD diamond for thermal management
CVD diamond for thermal management

Applications

CVD diamond's exceptional thermal conductivity makes it a highly sought-after material for various applications, including:

  • High-power integrated circuits (ICs): CVD diamond serves as a heat spreader, effectively dissipating heat away from the ICs, preventing overheating and ensuring optimal performance.

  • Laser diodes: CVD diamond's high thermal conductivity enables efficient heat dissipation from laser diodes, improving their performance and reliability.

  • GaN on Diamond (GOD): CVD diamond substrates are employed for the growth of GaN layers, resulting in improved thermal management and enhanced device performance in high-power electronics and optoelectronics.

  • Heat spreaders for satellite-based electronic systems: CVD diamond's exceptional thermal conductivity makes it an ideal material for heat spreaders in satellite-based electronic systems, ensuring efficient heat dissipation and preventing overheating in harsh environments.

  • Ultra-wide band gap semiconductors: CVD diamond finds application in ultra-wide band gap semiconductors due to its high thermal conductivity, enabling efficient heat dissipation and improved device performance.

  • Optical components: CVD diamond is utilized in optical components, such as windows and lenses, owing to its high thermal conductivity, which minimizes thermal distortion and ensures optimal optical performance.

  • Thermal spreaders: CVD diamond's high thermal conductivity makes it an effective thermal spreader in various electronic devices, efficiently dissipating heat and preventing overheating.

  • Wear-resistant coatings: CVD diamond's extreme mechanical strength and high thermal conductivity make it suitable for wear-resistant coatings in demanding applications, such as cutting tools and aerospace components.

Features

  • Exceptional Thermal Conductivity: CVD diamond exhibits outstanding thermal conductivity, which is five times higher than that of copper. This exceptional property makes it suitable for applications requiring efficient heat dissipation.

  • Tailorable Thermal Conductivity: Our CVD diamond offers customizable thermal conductivity within the range of 800-2000 W/mK. This flexibility allows us to cater to the specific requirements of various applications.

  • Diverse Applications: CVD diamond finds applications in high-power integrated circuits, laser diodes, GaN on Diamond (GOD), and heat spreaders for satellite-based electronic systems. Its versatility makes it a valuable material across different industries.

  • High-Quality Grades: We offer various quality grades of CVD diamond to meet the diverse needs of our customers. These grades are categorized based on their thermal conductivity levels, ranging from Standard Medium to Excellent.

  • Precise Specifications: Our CVD diamond is manufactured with strict adherence to specifications, ensuring consistent quality and performance. Key specifications include thermal conductivity levels, thickness tolerance, flatness, density, Young's modulus, and surface finishes.

  • Customizable Sizes: We provide CVD diamond in a range of standard sizes, including double-sided polished options with a diameter of up to 150 mm. We also offer tailored sizes to accommodate specific project requirements.

Principle

CVD diamond offers exceptional thermal conductivity, up to 2000 W/mK, due to lattice vibrations as the primary heat conduction mechanism. This remarkable property makes it an ideal choice for various applications requiring efficient heat dissipation, such as high-power integrated circuits, laser diodes, and heat spreaders.

Advantages

  • Unparalleled thermal conductivity: With a thermal conductivity five times higher than that of copper, CVD diamond is the ideal material for thermal management applications requiring optimum performance.
  • Easily obtained high thermal conductivity: Due to the extraordinary high concentration of atomic hydrogen produced by the very high temperatures of the arc discharging, diamond films with high thermal conductivity can be easily obtained even at relatively high growth rate by DC Arc Plasma Jet.
  • Tailorable thermal conductivity: The thermal conductivity of CVD diamond can be tailor ed within the range of 800-2000 W/mK, allowing it to be subdivided into different quality grades to meet the different needs of customers in different application fields.
  • Wide range of applications: CVD diamond is used as mounts for high-power integrated circuits, laser diodes, GaN on Diamond (GOD), and heat spreaders for satellite-based electronic systems.
  • Excellent thermal properties: With the highest known thermal conductivity, CVD diamond is the ideal material for thermal management applications requiring optimum performance.
  • Invaluable in electronic and electrical applications: Considering 50 percent of electronic failures occur due to heat-related issues, CVD diamond is invaluable in all types of electronic and electrical applications, including telecommunications and microelectronic devices, where the build-up of heat can destroy delicate circuitry or severely impair performance.
  • Key to enabling smaller, more powerful electronic devices: Properly dissipating heat is also key to enabling smaller, more powerful electronic devices.

Specifications

Thermal Grade: /
Thermal conductivity level: /
Standard Medium: >1200W/m.k
High: >1500W/m.k
Excellent: >1800W/m.k (up to 2000W/m.k)
Tolerance of Thickness:  ±25um
Flatness: <4um/cm
Density: 3.5g/cm³
Young's modulus: 1000-1100GPa
Growth side surface finish: <100 nm Ra
Nucleation side surface finish: <30 nm Ra
Standard Sizes
Double sides polished :  Up to diameter 150 mm
As grown thickness:  Between 0.3 mm and 1.5 mm
Polished thickness:  Between 0.2 mm and 1.0 mm

FAQ

What Are The Main Applications Of Diamond Materials?

Diamond materials are primarily used in machining and cutting tools due to their exceptional hardness. They are ideal for polishing, cutting, or wearing away any material, including other diamonds. Common applications include diamond-tipped drill bits, saws, and diamond powder as an abrasive. Additionally, diamond materials are used in optical, mechanical, electronic, and thermal applications due to their unique properties such as high thermal conductivity, optical transparency, and chemical inertness.

What Is The Thermal Conductivity Of CVD Diamond?

The thermal conductivity of CVD diamond is typically in the range of 800-2000 W/mK, which is four times higher than that of copper.

What Are The Advantages Of Using Diamond Materials In Industrial Applications?

Diamond materials offer several advantages in industrial applications, including high wear resistance, which ensures minimal dimensional changes and high grinding precision. They also have a long lifespan and require less frequent dressing, which increases work efficiency, improves the labor environment, and reduces product labor intensity. These properties make diamond tools highly effective for processing hard materials in various fields such as aviation, aerospace, automobile, electronics, and graphite processing.

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.

How Can CVD Diamond Be Used For Thermal Management?

CVD diamond can be used for thermal management in a variety of ways, including:* As a heat sink * As a substrate for electronic devices * As a coating for metal surfaces

What Types Of Diamond Materials Are Available?

There are several types of diamond materials available, including CVD Diamond for dressing tools, CVD diamond for thermal management, CVD Diamond wire drawing die blanks, CVD Diamond coating, CVD diamond domes, and CVD boron-doped diamond. Each type is tailored for specific applications, such as thermal management, wire drawing, cutting tools, and high-performance loudspeakers, leveraging the unique properties of diamond like high thermal conductivity, hardness, and wear resistance.

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 Benefits Of Using CVD Diamond For Thermal Management?

he benefits of using CVD diamond for thermal management include: * Improved heat dissipation * Reduced energy consumption * Increased reliability * Smaller and lighter devices

What Is The Principle Behind The Use Of Diamond Materials In Cutting Tools?

The principle behind using diamond materials in cutting tools is their unmatched hardness and wear resistance. Diamond is the hardest known naturally occurring material, making it ideal for cutting, grinding, and polishing hard materials. In cutting tools, diamond is often used in the form of micron-sized grains dispersed in a metal matrix, known as polycrystalline diamond (PCD), which is sintered onto the tool to enhance its durability and performance.

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.

Why Is Synthetic Diamond Preferred Over Natural Diamond In Industrial Applications?

Synthetic diamond, particularly HPHT diamond, is preferred over natural diamond in industrial applications due to its better reproducibility of mechanical properties. Synthetic diamonds can be produced with consistent quality and characteristics, which is crucial for industrial processes. Additionally, synthetic diamonds are more cost-effective and can be tailored to specific applications, making them more versatile and reliable for use in various industrial tools and applications.

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 am very satisfied with the CVD diamond for thermal management. It has greatly improved the performance of my electronic devices.

Léa Marceau

4.9

out of

5

The CVD diamond is of excellent quality and has met all my expectations. I highly recommend this product.

Alessandra Bernardes

4.7

out of

5

I am very impressed with the thermal conductivity of the CVD diamond. It is a great material for heat dissipation.

Imogen Hill

4.8

out of

5

The CVD diamond is very durable and has a long lifespan. I am very happy with this product.

Isabella Alves

4.9

out of

5

The CVD diamond is very easy to use and install. I am very happy with the results.

Layla Moreau

4.7

out of

5

I am very satisfied with the speed of delivery of the CVD diamond. I received it within a few days of ordering it.

Clara Silva

4.8

out of

5

The CVD diamond is very affordable and is a great value for money. I highly recommend this product.

Sophia Rodrigues

4.9

out of

5

The CVD diamond is very technologically advanced and is a great choice for thermal management applications.

Ema Santos

4.7

out of

5

I am very impressed with the performance of the CVD diamond. It has greatly improved the cooling of my electronic devices.

Maria Costa

4.8

out of

5

The CVD diamond is very reliable and has been working perfectly since I installed it.

Beatriz Oliveira

4.9

out of

5

I am very happy with the customer service of KINTEK SOLUTION. They were very helpful and answered all my questions.

Ana Almeida

4.7

out of

5

I would definitely recommend the CVD diamond to other laboratory managers. It is a great product for thermal management.

Luisa Fernandes

4.8

out of

5

I am very satisfied with the overall quality of the CVD diamond. It is a well-made product.

Inês Castro

4.9

out of

5

The CVD diamond is very easy to maintain and clean. I am very happy with this product.

Sara Santos

4.7

out of

5

I am very impressed with the speed of delivery of the CVD diamond. I received it within a few days of ordering it.

Joana Sousa

4.8

out of

5

The CVD diamond is very affordable and is a great value for money. I highly recommend this product.

Maria Pereira

4.9

out of

5

The CVD diamond is very technologically advanced and is a great choice for thermal management applications.

Beatriz Oliveira

4.7

out of

5

I am very impressed with the performance of the CVD diamond. It has greatly improved the cooling of my electronic devices.

Ana Almeida

4.8

out of

5

I would definitely recommend the CVD diamond to other laboratory managers. It is a great product for thermal management.

Luisa Fernandes

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