Semiconductor >Products >LST-01

LST-01
Light Scattering Tomography
BMD Analyzer


The BMD scatters the incident light which is recorded by a CCD camera near to the cleaved edge of the sample.

Highlights:

  • High speed
  • High depth resolution
  • Detectable particle size down to 12nm
System Specifications
  • DZ determination from one image concentration distribution along the wafer diameter within minutes
  • depth resolution: 0.5µm
  • first particle detected within 0.5µm from the surface
  • fully automatic operation including half wafer handling
  • wafer diameter up to 12 inch
  • whole wafer diameter scan image size: 400 µm x 2mm with measuring time of 40 s
  • autofocusing on the cleaved surface
  • weight: max. 350 kg
  • dimensions:
     
    • width:1400 mm
    • depth:1200 mm
    • height:1800 mm

Facility Requirements

  • Power requirement: max. 800 W, 100-240 V, 50/60 Hz
  • Vacuum: 0-0.3 bar, max. 1-2 l/min
  • Temperature of operation: 23°C ± 3°C; 1°C/hour
  • Cleanroom: better or equal to Class 10000