Comparison ledger
Lapmaster 15 Lapper, PR Hoffman 1500 66 T Double Sided Optical, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 15 LapperLapmaster | 1500 66 T Double Sided OpticalPR Hoffman |
|---|---|---|
| OEM | Lapmaster | PR Hoffman |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Lapmaster 15 | PR Hoffman 1500 66 T Double Sided Optical |
| Specifications | ||
| Number Of Conditioning Rings | Up to 3[1] | — |
| Ring ID | Up to 5.5″[1] | — |
| Plate Diameter – Outside | 15″[1] | — |
| Plate Diameter – Inside | 3 1/2″[1] | — |
| Standard RPM | 60[1] | — |
| Drive Motor | 1/2 HP[1] | — |
| Electrics | 110V / 1Ph / 60Hz[1] | — |
| Dimensions – Approximate | 26″(L-R) x 21″(F-B) x 22″(H)[1] | — |
| Configuration | Equipped with:[1] | Capacities:[2] |
| Equipped with: 15″ Cast Iron Plate | Included[1] | — |
| Equipped with: (3) Yoke/Roller Bearing Assemblies | Included[1] | — |
| Equipped with: (3) Conditioning Rings | Included[1] | — |
| Equipped with: (3) Hold Downs | Included[1] | — |
| Equipped with: 30 Minute Timer | Included[1] | — |
| Plate | — | 15"[2] |
| Carriers | — | 5.3"[2] |
| Teeth | — | 66[2] |
| Downward force | — | 15 - 200 Lbs.[2] |
| Top plate | — | 1 - 135 RPM[2] |
| Ring gear | — | 1 - 135 RPM[2] |
| Sun gear | — | 1 - 103 RPM[2] |
| Type | — | double sided optical polisher[2] |
| Top plate speed | — | 1 - 135 RPM[2] |
| Ring gear speed | — | 1 - 135 RPM[2] |
| Sun gear speed | — | 1 - 103 RPM[2] |
| Vintage | — | 2000[2] |