Manufacturing Tolerances
Structures
| Attribute |
Unit |
Commercial
Quality |
Precision
Quality |
Manufacturing
Limits |
| Parallelism |
mm |
±0.05 |
±0.010 |
±0.002 |
| Flatness |
mm |
±0.02 |
±0.001 |
±0.0001 |
| Angularity |
arc min |
±5 |
±1 |
±0.1 |
| Rectangularity |
arc min |
±5 |
±1 |
±0.1 |
| Roundness |
mm |
3/3(3) |
3/3(0.5) |
3/1(0.2) |
| Concentricity |
mm |
0.03 |
0.003 |
0.003 |
| min. Radius Inner Edge |
Tool mm |
0.02 |
0.1 |
1 |
| min. Radius Outer Edge |
Substrate mm |
0.05 |
0.01 |
0.002 |
| Scratch - Dig |
|
80-50 |
60-40 |
20-10 |
| Surface Roughness (rms) |
nm |
20 |
10 |
2 |
| Copper Grade |
purity in % |
99.90 |
99.995 |
single crystal |
| Other Possible Materials |
Brass / Aluminum / Plastic |
|
