Comparison ledger
Lapmaster 12 Lapper, Strasbaugh 7 AF, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 12 LapperLapmaster | 7 AFStrasbaugh |
|---|---|---|
| OEM | Lapmaster | Strasbaugh |
| Category | CMP | CMP |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | — | Strasbaugh 7 AF |
| 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] | 60 Hz[3] |
| Phase | 1[1] | 3 Phase[3] |
| Number of Rings | 3[1] | — |
| Number of Weights | 3[1] | — |
| Includes Slurry System | Yes[1] | — |
| Includes Timer | Yes[1] | — |
| OEM | — | Strasbaugh[4] |
| Model | — | 7 AF[4] |
| Tool type | — | CMP (Chemical Mechanical Polisher)[4] |
| Electrical | — | 3 Phase, 60 Hz[3] |
| Wafer size | — | 200 mm[5] |
| Tapeless backgrinding support | — | Yes[5] |
| Compatible wafer types | — | Bumped and non-bumped wafers[5] |
| Power supply | — | 3 Phase, 60 Hz[3] |