Comparison ledger
Lapmaster 12 Lapper, Struers RotoPol 31 Tabletop, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 12 LapperLapmaster | RotoPol 31 TabletopStruers |
|---|---|---|
| OEM | Lapmaster | Struers |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | — | Struers RotoPol 31 Tabletop |
| Specifications | ||
| Outside plate diameter | 12 inches[1] | — |
| Lapping Speed Range | 0 to 60 rpm[2] | — |
| Wafer Size Compatibility | 4 inches or smaller[1] | — |
| Input Voltage | 110 V[1] | — |
| Frequency | 60 Hz[1] | — |
| Phase | 1[1] | — |
| Number of Rings | 3[1] | — |
| Number of Weights | 3[1] | — |
| Includes Slurry System | Yes[1] | — |
| Includes Timer | Yes[1] | — |
| Disc diameter | — | 200 - 300/305 mm[3] |
| Rotational speed | — | 150/300 rpm[3] |
| Motor power | — | 300 W / 0.41 HP at 150 rpm[3] |
| Rotational direction | — | Anti-clockwise[3] |
| Display | — | LC display 2 x 16 characters[3] |
| Controls | — | Touch pad[3] |
| Voltage / frequency | — | 3x200 V / 50 Hz; 3x200-210 V / 60 Hz; 3x220-230 V / 50 Hz[3] |
| Make | — | Struers[4] |
| Model | — | RotoPol 31[4] |
| Type | — | Tabletop Grinder / Polisher[4] |