GDP (or Y)=C+I+G+NXGDP (or Y) equals cap C plus cap I plus cap G plus cap N cap X
The Ultimate 90s Sleeper. 🛑
| Test | Tool | Acceptance Criterion | |------|------|----------------------| | Dimensional | CMM (Coordinate Measuring Machine) | ±0.02 mm on top surface features | | Surface Roughness | Profilometer (contact or optical) | Ra ≤ 0.8 μm | | Flatness | Laser interferometer | ≤ 0.02 mm over 100 mm | | Material verification | PMI (Positive Material Identification) | Si, Mg within spec ±0.05% | | Hardness | Rockwell (HRB scale) | 60 – 70 HRB | gdp e342 top