Comparison ledger
PR Hoffman 108T, Strasbaugh 6DE, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 108TPR Hoffman | 6DEStrasbaugh |
|---|---|---|
| OEM | PR Hoffman | Strasbaugh |
| Category | CMP | CMP |
| Wafer size | up to 12 in wafers | 16 inch / 400 mm |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | PR Hoffman 108T | Strasbaugh 6DE |
| Cited variants | — |
|
| Specifications | ||
| 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] | — |
| Number of spindles | — | 4[1] |
| Part capacity | — | 16 inches (400 mm)[1] |
| Spindle motor power | — | 1.5 HP DC each[1] |
| Eccentric motor power | — | 0.75 HP DC each[1] |
| Air cylinders | — | 4 for pressure down[1] |
| Capacity (12-inch variant) | — | 12 inches[1] |
| Capacity (16-inch variant) | — | 16 inches / 400 mm[1] |
| Drive system | — | DC[1] |
| Includes air cylinders for pressure down | — | Yes[1] |
| Capacity | — | 16 in / 400 mm part diameter[1] |
| Spindle motors | — | Four 1.5 HP DC spindle motors[1] |
| Eccentric/oscillating arm motors | — | Four 3/4 HP DC motors[1] |
| Drive type | — | DC drive system[1] |
| Pressure down system | — | Four air cylinders for pressure down[1] |
| Machine type | — | Spindle grinder/polisher[1] |
| OEM | — | Strasbaugh[1] |
| Model | — | 6DE[1] |
| Type | — | Spindle grinder/polisher[1] |
| Spindle count | — | 6 spindle[1] |
| Controls | — | Fully equipped control panel[1] |
| Motors | — | Includes four 1.5 HP DC spindle motors and four 3/4 HP DC motors for the eccentric/oscillating arms[1] |
| Capacity variant | — | 16 in parts capacity[1] |
| Rebuild status variant | — | Excell 2022/rebuild[1] |
| Maximum part diameter | — | 16 inches (400 mm)[1] |
| Air cylinders for pressure down | — | Yes, included[1] |
| Part capacity (12-inch variant) | — | 12 inches[1] |
| Part capacity (16-inch variant) | — | 16 inches[1] |
| Category | — | Spindle grinder/polisher[1] |
| Designation | — | 6DE-DC[1] |
| Parts capacity | — | 16-inch parts capacity[1] |
| Eccentric motors | — | Four 3/4 HP DC motors for the eccentric/oscillating arms[1] |
| Pressure down | — | Four air cylinders[1] |