Waferpedia

Comparison ledger

121T versus 89T

PR Hoffman 121T and PR Hoffman 89T, side by side. Every value shown is drawn from its cited encyclopedia entry.

Side-by-side comparison of selected equipment models
Attribute
121TPR Hoffman
89TPR Hoffman
OEMPR HoffmanPR Hoffman
Categoryinsert carrier / lapping carrierinsert carrier / lapping carrier
Wafer size76mm
Process node
Introduced
Production run
Lifecycle
Lifecycle milestones
Control system
Generation
FamilyPR Hoffman 121TPR Hoffman 89T
Specifications
Model / type entry121T- Sprocket AC-2000 - Peter Wolters[1]
Machine applicationFor double-sided planetary lapping & polishing machines[1]
Carrier diameterUp to 33 inches diameter[1]
carrier type listing89T[1]
applicationFor double-sided planetary lapping & polishing machines[1]

Plan your fab

Building a insert carrier / lapping carrier process? Get a complete equipment list.

Open the fab equipment planner →
Sources (2)Every fact above is drawn from these public sources
  1. [1]web.archive.orgweb.archive.org
  2. [2]web.archive.orgweb.archive.org