Comparison ledger
Lapmaster 12 Benchtop Lapping Polishing, Lapmaster 24 Lapper, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 12 Benchtop Lapping PolishingLapmaster | 24 LapperLapmaster |
|---|---|---|
| OEM | Lapmaster | Lapmaster |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Lapmaster 12 Benchtop Lapping Polishing | Lapmaster 24 Lapper |
| Cited variants | — | |
| Specifications | ||
| Make | Lapmaster[2] | Lapmaster[7] |
| Model | 12[2] | 24 Lapper[7] |
| Category | CMP[3] | — |
| Type/Application | Single sided[4] | — |
| Plate diameter | 12 in[4] | 24 in (610 mm)[1] |
| No. of conditioning rings | 3[5] | — |
| Configuration | Ring lapper[5] | 3 rings[7] |
| Base | Rigid, lightweight, cast aluminum base[5] | — |
| Standard RPM | 60 RPM[5] | — |
| RPM range with variable speed drive | 0-60[5] | — |
| Drive motor - lapper | 0.5 HP[5] | — |
| Drive motor - polisher | 0.75 HP[5] | — |
| Length | 25 in[5] | — |
| Width | 18 in[5] | — |
| Height | 24 in[5] | — |
| Estimated shipping weight | 240 lbs[5] | — |
| Approximate weight | 135 lbs / 61 kg[6] | — |
| Approximate dimensions | 24.5 in × 17.5 in × 23.8 in (622 mm × 445 mm × 607 mm)[6] | — |
| Electrical system | Various voltages; 50/60 Hz; 1 phase and 3 phase to customer specification[6] | — |
| Motor | 1/3 hp / 0.25 kW motor with gear reducer[6] | 2 hp / 1.5 kW[1] |
| Abrasive feed system | Designed for water or oil based lapping slurries[6] | — |
| Automatic cycle timer | Automatic digital cycle timer[6] | — |
| Ring configuration | Ring lapper[5] | — |
| Ring ID | 4.25 inches[5] | — |
| Diameter | — | 600 mm[7] |
| Rings | — | 3[8] |
| Lapping wheel diameter | — | 24 in[9] |
| Conditioning rings | — | 3[7] |
| Versions | — | 3 rings or 4 rings[1] |
| Type | — | Single sided[1] |
| Plate RPM | — | 70[1] |