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— Product Line · CVD

CVD Diamond Products

Polycrystalline and monocrystalline CVD diamond products — heat spreaders, optical windows, electronic substrates, NV diamond, BDD electrodes, tool blanks, dies, coatings and more. Each product is engineered to specification, with metallization, machining and bonding services available.

— Product Index
01Thermal Management02Optical Windows03Electronic Substrate04Quantum & Sensor05Electrochemical (BDD)06Precision Machining07Wire Drawing08Diamond Coatings09Acoustic10Scientific Optics
CVD · 01

Thermal Management

CVD Diamond Heat Spreaders & Thermal Substrates

CVD Diamond Heat Spreaders and thermal substrates engineered to dissipate heat from the highest-power semiconductor devices. Available in polycrystalline and monocrystalline grades with thermal conductivity from 1200 W/mK up to 2200+ W/mK and metallization options for direct die attach.

Key Specifications
  • ▸Thermal Conductivity: 1200 / 1500 / 1800 / 2000 / 2200+ W/mK
  • ▸Thickness: 0.2 – 2.5 mm
  • ▸Flatness: <4 μm/cm
Core Features
  • ◆Ultra-high thermal conductivity
  • ◆Electrical insulation
  • ◆Low CTE
  • ◆Excellent chemical stability
  • ◆Metallization available
Typical Application Scenarios
High-power semiconductor devicesRF power modulesGaN on DiamondLaser diode coolingAI chip thermal managementMicrowave electronicsAerospace electronics
Material: Poly CVD Diamond, Mono CVD Diamond
CVD · 02

Optical Windows

CVD Diamond Optical Windows

CVD Diamond Optical Windows offer broad spectral transmission from UV through the far-IR and microwave bands, combined with extreme hardness and thermal shock resistance — ideal for high-power CO₂ lasers, FLIR optics and harsh environment optical systems.

Key Specifications
  • ▸Diameter up to 127 mm
  • ▸Thickness: 0.3 – 3 mm
  • ▸Surface roughness: Ra <10 nm
  • ▸IR Transmission @10.6 μm >70%
Core Features
  • ◆Broad spectral transmission
  • ◆Excellent thermal shock resistance
  • ◆Extreme hardness
  • ◆Long service life
Typical Application Scenarios
High-power laser windowsIR opticsMicrowave windowsHarsh environment opticsVacuum chambersAerospace optical systems
Material: Poly CVD Diamond, Mono CVD Diamond
CVD · 03

Electronic Substrate

Monocrystalline Diamond — Electronic Grade

Electronic-grade Monocrystalline CVD Diamond plates with controlled nitrogen content and selectable crystal orientation. The substrate of choice for next-generation power electronics, MOSFET research, UV detectors and high-frequency devices.

Key Specifications
  • ▸Size: 3 – 10 mm+
  • ▸Thickness: 0.04 – 4 mm
  • ▸Orientation: (100) / (111) / (110)
  • ▸Nitrogen level: 0.01 – 1 ppm
Core Features
  • ◆Superior crystal quality
  • ◆High carrier mobility potential
  • ◆Excellent thermal dissipation
Typical Application Scenarios
MOSFET devicesHigh voltage semiconductorsUV detectorsRF electronicsSensor devicesAdvanced semiconductor R&D
Material: Mono CVD Diamond
CVD · 04

Quantum & Sensor

NV-Grade Monocrystalline Diamond

NV-grade Monocrystalline CVD Diamond engineered with controlled nitrogen-vacancy centers and ultra-low background defects, enabling magnetometry, quantum sensing, biomedical imaging and quantum computing research.

Core Features
  • ◆Controlled nitrogen vacancy centers
  • ◆High purity substrate
  • ◆Low background defects
Typical Application Scenarios
Quantum sensingMagnetometryQuantum computing researchBiomedical sensingPrecision navigation
Material: Mono CVD Diamond
CVD · 05

Electrochemical (BDD)

Boron Doped Diamond Electrodes

Boron Doped Diamond (BDD) electrodes deliver an exceptionally wide electrochemical window, outstanding corrosion resistance and long operating life — used for industrial wastewater treatment, ozone generation, electro-oxidation and hydrogen production.

Key Specifications
  • ▸Diameter up to 100 mm
  • ▸Thickness: 0.3 – 2 mm
  • ▸Boron concentration: 2×10²⁰ – 6×10²⁰ atoms/cm³
Core Features
  • ◆Wide electrochemical window
  • ◆Excellent corrosion resistance
  • ◆Long operating life
Typical Application Scenarios
Wastewater treatmentOzone generationElectro oxidationHydrogen productionConductive electrodesSensors
Material: Boron Doped CVD Diamond
CVD · 06

Precision Machining

CVD Diamond Tool Blanks

Polycrystalline CVD Diamond Tool Blanks for the precision machining of graphite, ceramics, advanced composites and high-silicon aluminum alloys. Outstanding wear resistance and a low friction coefficient deliver dramatically extended tool life.

Key Specifications
  • ▸Hardness: 8000–10000 kg/mm²
  • ▸Thermal conductivity >1000 W/mK
Core Features
  • ◆Outstanding wear resistance
  • ◆Long tool life
  • ◆Low friction coefficient
Typical Application Scenarios
Graphite machiningCeramic cuttingComposite materialsHigh-silicon aluminumNon-ferrous precision machining
Material: Poly CVD Diamond
CVD · 07

Wire Drawing

CVD Diamond Die Blanks

CVD Diamond Die Blanks for drawing copper, aluminum, stainless steel, tungsten and molybdenum wire. Stable bore geometry produces consistently better wire surface finish and a longer operating life than conventional die materials.

Key Specifications
  • ▸Standard sizes: 1.5 / 2.0 / 2.5 / 3.0 / 4.0 mm
Core Features
  • ◆Stable bore geometry
  • ◆Better wire finish
  • ◆Longer operating life
Typical Application Scenarios
Copper wireAluminum wireStainless steel wireTungsten wireMolybdenum wire
Material: Poly CVD Diamond
CVD · 08

Diamond Coatings

CVD Diamond Coatings

CVD Diamond Coatings applied to carbide dies, mechanical seals, SiC components and precision tooling. ≥99% diamond purity coatings deliver low friction, high adhesion strength, wear resistance and thermal stability.

Key Specifications
  • ▸Coating thickness: 50–100 μm
  • ▸Diamond purity ≥99%
Core Features
  • ◆Low friction
  • ◆High adhesion strength
  • ◆Wear resistance
  • ◆Thermal stability
Typical Application Scenarios
Carbide diesMechanical sealsSiC componentsWear surfacesPrecision tools
Material: CVD Diamond Coating
CVD · 09

Acoustic

Diamond Tweeter Domes

CVD Diamond Diaphragms — typically 25 mm dome geometry at 30–50 μm thickness — for high-end audiophile tweeters and premium loudspeakers. The extremely high stiffness-to-weight ratio extends the high frequency response while keeping harmonic distortion low.

Key Specifications
  • ▸Dome diameter: 25 mm
  • ▸Thickness: 30–50 μm
  • ▸Lightweight diaphragm design
Core Features
  • ◆Extremely high stiffness-to-weight ratio
  • ◆Extended high frequency response
  • ◆Low harmonic distortion
Typical Application Scenarios
High-end loudspeakersAudiophile tweetersPremium acoustic systems
Material: CVD Diamond Diaphragm
CVD · 10

Scientific Optics

Monocrystalline Diamond Components

Monocrystalline CVD Diamond components for X-ray windows, Raman laser crystals, UV optics and high-end spectroscopy. Ultra-high purity, low birefringence and excellent optical transmission across a broad spectrum.

Core Features
  • ◆Ultra-high purity
  • ◆Low birefringence
  • ◆Excellent optical transmission
Typical Application Scenarios
X-ray windowsRaman laser crystalsUV opticsSpectroscopy componentsScientific instruments
Material: Monocrystalline Diamond
— Custom Precision Services

Engineered to your specification

  • ◆Laser cutting
  • ◆Double-side polishing
  • ◆Ultra-flat finishing
  • ◆Metallization (Au / Ti / Pt)
  • ◆Hole drilling
  • ◆Custom geometry machining
  • ◆Bonding to Si / Cu / Mo / SiC
  • ◆Thickness customization
  • ◆Orientation cutting
— Why Navi Material

Advantages

  • ◆Strong China supply chain access
  • ◆Flexible custom manufacturing
  • ◆Global export capability
  • ◆Fast technical response
  • ◆Application-oriented solutions
  • ◆Competitive commercial support
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