Waferpedia

Comparison ledger

12 Lapperversus2400 Lapper

Lapmaster 12 Lapper, PR Hoffman 2400 Lapper, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
12 LapperLapmaster
2400 LapperPR Hoffman
OEMLapmasterPR Hoffman
CategoryCMPCMP
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
Family—PR Hoffman 2400 Lapper
Specifications
Outside plate diameter12 inches[1]—
Lapping Speed Range0 to 60 rpm[2]—
Wafer Size Compatibility4 inches or smaller[1]—
Input Voltage110 V[1]—
Frequency60 Hz[1]—
Phase1[1]—
Number of Rings3[1]—
Number of Weights3[1]—
Includes Slurry SystemYes[1]—
Includes TimerYes[1]—

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Sources (2)Every fact above is drawn from these public sources
  1. [1]jmind.comjmind.com
  2. [2]etd.ohiolink.eduetd.ohiolink.edu