Nikon LV 150 optical microscope
About
Process: This is a high-end upright optical microscope optimized for inspection and metrology of micro- and nanostructures in cleanroom environments. It supports brightfield, darkfield, polarized light, and differential interference contrast (DIC if equipped) modes, with a high-resolution camera for image capture and export.
Hardware: Nikon LV150N series frame with halogen lamp illumination (brightfield/darkfield). Polarizer/analyzer for polarized light imaging. Objectives: 5x, 10x, 20x, 50x, 100x (likely long-working-distance for wafer inspection). 5.9 MP digital camera with USB and WiFi output for real-time viewing and image saving. Motorized or manual stage for sample positioning.
Key Features:
- Illumination: Halogen lamp (brightfield & darkfield)
- Polarized light: Polarizer/analyzer included
- Objectives: 5x, 10x, 20x, 50x, 100x
- Camera: 5.9 MP resolution with USB/WiFi export
- Imaging modes: Brightfield, darkfield, polarized light (DIC optional)
- Sample size: Full wafers or pieces (stage compatible with 6–8" wafers)
Applications:
- Inspection of lithographic patterns, alignment marks, and defects
- Measurement of critical dimensions (with calibrated scale)
- Surface topography visualization (brightfield/darkfield contrast)
- Polarized light analysis of birefringent materials or stress
- Documentation of fabricated structures (photo capture/export)
- Quality control after lithography, etch, or deposition
Usage: Place sample on stage, select objective and illumination mode (brightfield/darkfield/polarized), focus, adjust polarizer/analyzer if needed, capture images via camera software, export via USB or WiFi. Use measurement tools in software for basic dimensioning.
Detailed Specifications
- Model: Nikon LV150N (or similar LV 150 series)
- Location: Photo Bay
- Objectives: 5x, 10x, 20x, 50x, 100x
- Illumination: Halogen lamp, brightfield & darkfield
- Polarization: Polarizer/analyzer for polarized light imaging
- Camera: 5.9 MP digital camera with USB and WiFi output
- Features: High-magnification inspection, contrast modes (brightfield/darkfield/polarized), image capture/export, cleanroom-compatible
- Other: Versatile upright microscope for routine optical metrology and documentation
Documentation
- SOP – Standard Operating Procedure
- Training required – contact lab staff (Chandan Ramakrishnaiah or Shivakumar Bhaskaran)
Recipes & Data
- Standard Imaging: Common setups include:
* Brightfield: General pattern inspection at 10x–50x * Darkfield: Defect/particle visualization (scatters light from edges) * Polarized light: Stress analysis in films or birefringent materials at 20x–100x * High-mag (50x–100x): Critical dimension check or defect review
- Process Control: Use camera software for calibrated measurements (scale bar). Capture before/after images for process monitoring. Export high-res images for reports.
- Notes: Clean samples to avoid dust artifacts. Use darkfield for low-contrast features. Polarized mode requires crossed polarizer/analyzer setup.
Template:Under review This article was generated with assistance from a large language model (LLM) and is currently under human review and editing. Content may contain inaccuracies, unverified claims, or other issues. Please help improve it.