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0332 F 9453 302 DiffusionversusPB 12 2 P CP Polyimide

Varian 0332 F 9453 302 Diffusion, YES PB 12 2 P CP Polyimide, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
OEMVarianYES
CategoryThermal / DiffusionThermal / Diffusion
Wafer size—Up to 50 wafers per batch (two 25-wafer cassettes)
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilyVarian 0332 F 9453 302 DiffusionYES PB 12 2 P CP Polyimide
Specifications
Asset Number142841[1]—
Last Confirm DateOctober 14, 2025[2]—
Voltage—208 V, 3-phase, 50/60 Hz, 40 A[3]
Configuration—Temperature Control:[3]
Operating temperature—ambient to 450 °C (optional high-temp version up to 550 °C)[3]
Temperature uniformity—±5 °C at dwell after stabilization (empty chamber, > 50 Torr)[3]
Average heat-up rate—3.5 °C/min (150 °C → 450 °C)[3]
Average cool-down rate—3.0 °C/min (450 °C → 150 °C)[3]
Power—208 V, 3-phase, 50/60 Hz, 40 A[3]
Optional high-temperature version—up to 550 °C[3]
Controller—PLC controller with color touchscreen operator interface[3]
Programmable temperature profiles—8 programmable temperature profiles (up to 200 with YES-DAQ-LR option)[3]
Interface—RS-232 interface for data download/monitoring[3]
Vacuum gauge—Digital Granville-Phillips™ dual set-point vacuum gauge[3]
Vacuum plumbing—VCR fittings[3]
Gas input—1 standard process-gas input (up to 3 optional with mass-flow controllers)[3]
Chamber material—316L stainless steel[3]
Cooling—Air-cooled with external forced convection[3]
Capacity—up to 50 wafers per batch[3]
Wafer cassette configuration—two 25-wafer cassettes[3]
Maximum wafer size—up to 300 mm[3]
Oxygen concentration—≤ 10 ppm over background[3]
Chamber dimensions—53.34 cm (ID) × 104.06 cm (D) (≈ 21″ × 41″)[3]
Process area—37.59 cm (W) × 74.4 cm (D) × 36.07 cm (H) (≈ 14.8″ × 29.3″ × 14.2″)[3]
Overall dimensions—89.48 cm (W) × 174.57 cm (D) × 138.7 cm (H) (≈ 35.23″ × 68.73″ × 54.61″)[3]
Wafer size—Up to 50 wafers per batch (two 25-wafer cassettes)[3]

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Sources (3)Every fact above is drawn from these public sources
  1. [1]Equipment inventory listing
  2. [2]fab-spares.comfab-spares.com
  3. [3]inventory listing