Diamond Materials Grade or surface option
Electronic-Grade Diamond
For device work where electrical behaviour depends on controlled impurities and defects.
Good to know
- Specify the relevant nitrogen and boron limits, rather than relying on the grade name alone.
- Electrical characterization must match the intended device structure.
Specifications
What we define for electronic-grade diamond, with units and how each is typically measured. We confirm values for your application in technical review.
Request the datasheetLook up a term in the glossaryDimensions & tolerances
| Parameter | Unit | Typical test method |
|---|---|---|
| Lateral size, outline or diameter, and tolerance | mm | Optical measurement |
Crystal & purity
| Parameter | Unit | Typical test method |
|---|---|---|
| Nitrogen content and detection limit | ppb or ppm | FTIR spectroscopy or SIMS |
| Boron concentration and doping (layer or bulk) | cm⁻³ | SIMS or capacitance–voltage |
| Inclusions, growth sectors and defects | Cross-polarised microscopy or birefringence imaging | |
| Crystal type, grade and grain size | Raman spectroscopy or microscopy | |
| Face orientation, edge orientation and miscut | XRD or Laue diffraction | |
| Dislocation density | cm⁻² | X-ray topography or etch-pit counting |
| Crystalline quality (rocking-curve width) | arcsec | XRD rocking curve |
| Raman linewidth of the diamond line | cm⁻¹ | Raman spectroscopy |
Surface & finish
| Parameter | Unit | Typical test method |
|---|---|---|
| Surface roughness per side | nm Ra | Profilometry or AFM |
Electrical & electrochemical
| Parameter | Unit | Typical test method |
|---|---|---|
| Electrical resistivity and test conditions | Ω·cm | Four-point probe |
| Carrier concentration and mobility | cm⁻³ | Hall-effect measurement |
Integration & packaging
| Parameter | Unit | Typical test method |
|---|---|---|
| Certificate of conformance and traceability | Supplier declaration |
Where it is used
Requirement to review
Have a material requirement? Let’s review it.
Share your electronic-grade diamond requirement, dimensions and drawing for review.