Comparison ledger
PR Hoffman 61T, PR Hoffman 98T, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 61TPR Hoffman | 98TPR Hoffman |
|---|---|---|
| OEM | PR Hoffman | PR Hoffman |
| Category | Insert carrier / lapping carrier | Insert carrier / lapping carrier |
| Wafer size | 76mm | 3" |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | PR Hoffman 61T | PR Hoffman 98T |
| Specifications | ||
| Carrier type | 61T - Sprocket[1] | Sprocket[1] |
| Use case | For double-sided planetary lapping & polishing machines[1] | — |
| Wafer sizes stated for insert carriers | 3 inch, 4 inch, 5 inch, 6 inch, 8 inch, and 12 inch wafers[1] | — |
| Maximum insert carrier diameter stated | Up to 33 inches in diameter[1] | — |
| Maximum lapping carrier diameter stated | Up to 48 inches in diameter[2] | — |
| Carrier designation | — | 98T[1] |
| Listed machine association | — | AC-1500 - Peter Wolters[1] |
| Insert carrier manufacturing statement | — | Insert carriers up to 33" diameter can be manufactured for 3" (76mm), 4" (100mm), 5" (125mm), 6" (150mm), 8" (200mm), and 12" (300mm) wafers.[1] |
| Lapping carrier manufacturing statement | — | Lapping carriers up to 48" diameter can be manufactured to requirements.[2] |
| Carrier tooth style | — | Sprocket[1] |
| Associated machine | — | Peter Wolters AC-1500[1] |
| Insert carrier listing | — | 98T- Sprocket AC-1500 - Peter Wolters[1] |
| Lapping carrier listing | — | 98T- Sprocket AC-1500 - Peter Wolters[2] |
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