Comparison ledger
Lapmaster 12 Benchtop Lapping Polishing, Struers RotoPol 31 Tabletop, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 12 Benchtop Lapping PolishingLapmaster | RotoPol 31 TabletopStruers |
|---|---|---|
| OEM | Lapmaster | Struers |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Lapmaster 12 Benchtop Lapping Polishing | Struers RotoPol 31 Tabletop |
| Specifications | ||
| Make | Lapmaster[1] | Struers[7] |
| Model | 12[1] | RotoPol 31[7] |
| Category | CMP[2] | — |
| Type/Application | Single sided[3] | — |
| Plate diameter | 12 in[3] | — |
| No. of conditioning rings | 3[4] | — |
| Configuration | Ring lapper[4] | — |
| Base | Rigid, lightweight, cast aluminum base[4] | — |
| Standard RPM | 60 RPM[4] | — |
| RPM range with variable speed drive | 0-60[4] | — |
| Drive motor - lapper | 0.5 HP[4] | — |
| Drive motor - polisher | 0.75 HP[4] | — |
| Length | 25 in[4] | — |
| Width | 18 in[4] | — |
| Height | 24 in[4] | — |
| Estimated shipping weight | 240 lbs[4] | — |
| Approximate weight | 135 lbs / 61 kg[5] | — |
| Approximate dimensions | 24.5 in × 17.5 in × 23.8 in (622 mm × 445 mm × 607 mm)[5] | — |
| Electrical system | Various voltages; 50/60 Hz; 1 phase and 3 phase to customer specification[5] | — |
| Motor | 1/3 hp / 0.25 kW motor with gear reducer[5] | — |
| Abrasive feed system | Designed for water or oil based lapping slurries[5] | — |
| Automatic cycle timer | Automatic digital cycle timer[5] | — |
| Ring configuration | Ring lapper[4] | — |
| Ring ID | 4.25 inches[4] | — |
| Disc diameter | — | 200 - 300/305 mm[6] |
| Rotational speed | — | 150/300 rpm[6] |
| Motor power | — | 300 W / 0.41 HP at 150 rpm[6] |
| Rotational direction | — | Anti-clockwise[6] |
| Display | — | LC display 2 x 16 characters[6] |
| Controls | — | Touch pad[6] |
| Voltage / frequency | — | 3x200 V / 50 Hz; 3x200-210 V / 60 Hz; 3x220-230 V / 50 Hz[6] |
| Type | — | Tabletop Grinder / Polisher[7] |