Waferpedia

Comparison ledger

Candela 8520 SurfaceversusCandela 8520 Wafer

KLA Candela 8520 Surface, KLA Candela 8520 Wafer, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
OEMKLAKLA
CategoryMetrology & InspectionMetrology & Inspection
Wafer size—Wafer Thickness 350μm ~ 1100μm
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilyKLA Candela 8520KLA Candela 8520
Specifications
Configurationfor SiC Wafers[1]50/60 Hz[4]
Phase1 Phase[1]1 Phase[5]
OEMKLA[1]KLA[4]
ModelCandela 8520[1]Candela 8520 Wafer[4]
Equipment typeSurface inspection system[1]Wafer inspection system[4]
CategoryMetrology & Inspection[2]Wafer Inspection System[4]
Wafer sizes6-inch, 8-inch[1]—
Wafer handlingfor SiC wafers[2]—
Generation2nd generation integrated surface and photoluminescence inspection system[3]—
Inspection methodAutomated wafer inspection with statistical process control (SPC) methodology[3]—
Optical measurementsScatter intensity, topographic variations, surface reflectance, phase shift, photoluminescence[3]—
Voltage—208 VAC[4]
Largest Load—8 A[4]
Wafer size—Wafer Thickness 350μm ~ 1100μm[5]
CDA Pressure—100 psi / 689 KPa (± 10% range)[5]
Flow—2 SCFM / 80 L/min (± 10% range).[5]
AMC—maximum concentration of Volatile Organic Compounds (VOC) must be less than 150 ng/l.[5]
Moisture Content—less than 20 PPM at 1.0 atm, corresponding to a dewpoint of -30° Celsius (-22°F).[5]
Vacuum Pressure—-680 mm Hg / -90 KPa (± 10% range).[5]
Wafer thickness—350μm ~ 1100μm[5]
Power—230 V[5]
Electrical phase—1 Phase[5]
Electrical wiring—3 Wire[5]
Current—20 amps[5]
Frequency—50/60 Hz[5]
Wafer carrier—2 FUP 6 and 8[5]
Wafer mapping sensor—Micro Optical Sensor[5]
Interface—SECS-GEM[5]
CDA flow—2 SCFM / 80 L/min (± 10% range)[5]
Vacuum flow—0.64 SCFM / 18 L/min (± 10% range)[5]
Laser 1—405 nm wavelength, 60 mW power, Class IIIb per CDRH 21CFR 1040[5]
Laser 2—355 nm wavelength, 20 mW power, Class IIIb per CDRH 21CFR 1040[5]
Electrical—1 Phase, 3 Wire, 230 V, 20 amps, 50/60 Hz[5]
Laser wavelengths—405 nm and 355 nm[5]

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Sources (5)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]waferpedia.comwaferpedia.com
  3. [3]kla.comkla.com
  4. [4]inventory listing
  5. [5]inventory listing