Comparison ledger
Buehler 49 7211, Lapmaster 12 Lapper, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 49 7211Buehler | 12 LapperLapmaster |
|---|---|---|
| OEM | Buehler | Lapmaster |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Buehler 49 7211 | — |
| Specifications | ||
| Phase | 1 Phase[1] | 1[3] |
| Configuration | 170-264 Vac[1] | — |
| Tool type | Chemical mechanical polisher (CMP)[1] | — |
| Electrical phases | 1 phase[1] | — |
| Input voltage | 170-264 Vac[1] | — |
| Frequency | 47/63 Hz[1] | 60 Hz[3] |
| Category | CMP[2] | — |
| Outside plate diameter | — | 12 inches[3] |
| Lapping Speed Range | — | 0 to 60 rpm[4] |
| Wafer Size Compatibility | — | 4 inches or smaller[3] |
| Input Voltage | — | 110 V[3] |
| Number of Rings | — | 3[3] |
| Number of Weights | — | 3[3] |
| Includes Slurry System | — | Yes[3] |
| Includes Timer | — | Yes[3] |