The PR Hoffman 94T is an insert carrier for double-sided planetary lapping and polishing machines, supporting 3-inch (76 mm) wafers.
Cited variants
| Designation | Generation | Vintage | Changes | Source |
|---|
| 94T PR-1 | — | — | — | web.archive.org[1] |
| 94T Cominco Mod. | — | — | — | web.archive.org[1] |