Diamond Materials Grade or surface option
Patterned Diamond
For designs that need defined surface features, not a plain polished face.
Good to know
- Feature depth, pitch and alignment belong on a dimensioned drawing.
- Surface relief and patterned metal contacts are different specifications.
Specifications
What we define for patterned 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 |
|---|---|---|
| Feature geometry, depth and registration | µm | Optical microscopy or profilometry |
| Thickness and tolerance (bulk or layer) | mm | Micrometer or optical gauge |
| Lateral size, outline or diameter, and tolerance | mm | Optical measurement |
| Feature sidewall angle and edge quality | ° | SEM or profilometry |
| Edge condition and chip limit | Microscopy inspection to drawing | |
| Flatness or surface figure, and bow | µm or fringes | Interferometry (633 nm) or profilometry |
| Drawing dimensions and tolerances | mm | CMM or optical measurement to drawing |
Crystal & purity
| Parameter | Unit | Typical test method |
|---|---|---|
| Face orientation, edge orientation and miscut | XRD or Laue diffraction | |
| Crystal type, grade and grain size | Raman spectroscopy or microscopy |
Surface & finish
| Parameter | Unit | Typical test method |
|---|---|---|
| Surface roughness per side | nm Ra | Profilometry or AFM |
| Surface finish condition (as-grown, lapped or polished) | Visual inspection to drawing |
Integration & packaging
| Parameter | Unit | Typical test method |
|---|---|---|
| Inspection plan and documentation | Per drawing | |
| Packaging, cleanliness and labelling | Per drawing | |
| Certificate of conformance and traceability | Supplier declaration |
Where it is used
Requirement to review
Have a material requirement? Let’s review it.
Share your patterned diamond requirement, dimensions and drawing for review.