Comparison ledger
Lapmaster 15 Lapper, PR Hoffman 108T, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 15 LapperLapmaster | 108TPR Hoffman |
|---|---|---|
| OEM | Lapmaster | PR Hoffman |
| Category | CMP | CMP |
| Wafer size | — | up to 12 in wafers |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Lapmaster 15 | PR Hoffman 108T |
| 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] | — |
| 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] | — |
| carrier type listing | — | 108T 9B - S/F / Lapmaster LSP-9 / etc.[2] |
| machine class | — | for double-sided planetary lapping & polishing machines[2] |
| wafer sizes stated on insert-carrier page | — | 3 in, 4 in, 5 in, 6 in, 8 in, and 12 in wafers[2] |
| maximum carrier diameter stated on insert-carrier page | — | up to 33 in diameter[2] |
| maximum carrier diameter stated on lapping-carrier page | — | up to 48 in diameter[3] |