Waferpedia

Comparison ledger

12 Lapperversus24 Lapper

Lapmaster 12 Lapper, Lapmaster 24 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
24 LapperLapmaster
OEMLapmasterLapmaster
CategoryCMPCMP
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
Family—Lapmaster 24 Lapper
Cited variants—
  • Model 24 open face[1]
  • Model 24 pneumatic lift[1]
Specifications
Outside plate diameter12 inches[2]—
Lapping Speed Range0 to 60 rpm[3]—
Wafer Size Compatibility4 inches or smaller[2]—
Input Voltage110 V[2]—
Frequency60 Hz[2]—
Phase1[2]—
Number of Rings3[2]—
Number of Weights3[2]—
Includes Slurry SystemYes[2]—
Includes TimerYes[2]—
Diameter—600 mm[4]
Configuration—3 rings[4]
Rings—3[5]
Model—24 Lapper[4]
Make—Lapmaster[4]
Lapping wheel diameter—24 in[6]
Conditioning rings—3[4]
Plate diameter—24 in (610 mm)[1]
Versions—3 rings or 4 rings[1]
Type—Single sided[1]
Motor—2 hp / 1.5 kW[1]
Plate RPM—70[1]

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Sources (6)Every fact above is drawn from these public sources
  1. [1]lapmaster-wolters.comlapmaster-wolters.com
  2. [2]jmind.comjmind.com
  3. [3]etd.ohiolink.eduetd.ohiolink.edu
  4. [4]inventory listing
  5. [5]inventory listing
  6. [6]lislesurplus.comlislesurplus.com