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OP5084 CVD Diamond Wafer

Catalog No
OP5084
Type
Single crystal grains
Substrate Material
SiO2/Si, Quartz, Sapphire, Silicon wafer, PET, etc.
Size
10*10, 15*15, 20*20 (mm)
Growth
Microwave Plasma Chemical Vapor Deposition (MPCVD)

CVD Diamond Wafer is a high-performance material known for its exceptional optical clarity and thermal conductivity. Stanford Optics has extensive expertise in manufacturing and supplying premium CVD Diamond Wafers, ensuring top-quality products for our clients.

 

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CVD Diamond Wafer
CVD Diamond Wafer
Description
Specifications
Reviews

Description

CVD Diamond Wafer exhibits outstanding physical and chemical properties, providing optical transparency across various frequencies from ultraviolet (UV) to terahertz (THz). As a form of carbon, diamond offers the highest hardness and thermal conductivity, along with excellent wear resistance, chemical stability, and radiation resistance. These wafers are suitable for applications involving X-rays, UV, infrared, and microwave frequencies.

CVD diamond wafers are an optimal choice in applications requiring efficient heat dissipation, low dielectric loss, high Raman gain, minimal beam distortion, and resistance to erosion. Their superior thermal conductivity makes them ideal for managing heat in devices with high heat flux, ensuring effective temperature control and preventing critical component overheating.

Applications

CVD Diamond Wafers are used in various industries due to their superior properties:

Packaging

Our CVD Diamond Wafer is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Specifications

Grade

Optical Grade

Heat Sink Grade

-

Polycrystal

Monocrystal

Polycrystal

Monocrystal

Growth Method

MPCVD

MPCVD

MPCVD

MPCVD

Size (mm)

Φ50~Φ150

≥8 in light direction

Φ50~Φ150

≥10

Luminousness

(%, 1mm thickness)

>60%@λ>500nm

>70%@λ>10μm

>65%@λ>500nm

>71%@λ>10μm

/

/

Absorption Coefficient (cm-1)

<0.12@λ=1.06μm

<0.07@λ=10.6μm

<0.10@λ=1.06μm

<0.05@λ=10.6μm

/

/

Thermal Conductivity (W/mk@300K)

>1800

>2200

>1200

>1500

Thermal Expansion Coefficient (10-6/K@300K)

1.0

1.0

1.0

1.0

Dielectric Constant

5.5±0.2@140GHz

/

/

/

Dielectric Loss

<6*10-5@GHz

/

/

/

Vickers Hardness (GPa)

80

70~120

80

70~120

Thickness (mm)

≥1

/

≥0.2

≥0.1

Thickness Tolerance (mm)

±0.03

±0.03

±0.03

±0.03

Parallelism (μm/cm)

≤5

≤4

/

/

Flatness PV Value (fringe/cm@633nm)

≤1

≤1/3

/

/

Roughness (nm)

≤10

≤2

≤30

≤30

Warp (μm/cm)

≤4

/

/

/

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FAQ
How do CVD Diamond Wafers perform in thermal management?

A: CVD Diamond Wafers excel in thermal management due to their superior thermal conductivity, which surpasses most metals, including copper. This makes them ideal for use in heat sinks and thermal spreading applications in high-power electronics, laser systems, and LEDs. Their ability to efficiently dissipate heat helps prevent overheating in sensitive electronic components, enhancing their reliability and performance.

 

Can CVD Diamond Wafers be customized for specific applications?

A: Yes, CVD Diamond Wafers can be tailored to meet various application needs. Common customization options include:

  • Doping: Adding other materials to modify the electrical properties of the wafer.
  • Surface Treatment: Etching or polishing the surface to achieve specific finishes required for electronics or optical applications.
  • Machining: Cutting and coating to meet precise dimensional and functional requirements.

Contact us for custom processing services tailored to your project specifications.

What are the differences between Polycrystalline and Single-Crystal CVD Diamond Wafers?
Property Polycrystalline CVD Diamond Wafers Single-Crystal CVD Diamond Wafers
Structure Multiple small, randomly oriented crystals Single, continuous crystal structure
Mechanical Properties Less strong, affected by grain boundaries Superior hardness, strength, and wear resistance
Thermal Conductivity Lower (due to grain boundaries) Higher, excellent heat dissipation
Optical Properties Lower clarity, potential defects Superior optical clarity and precision
Electrical Properties More isotropic, less controlled Highly controllable, direction-dependent
Applications Industrial tools, heat sinks, abrasives Electronics, optics, high-performance applications

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