Solar/Semiconductor Wafer Metrology Systems

Ensure accuracy, consistency, and control across every wafer with MTI Instruments solar and semiconductor metrology systems designed to deliver unmatched performance and reliability. Whether you’re working with silicon, GaAs, InP, or SiC substrates, these wafer inspection and metrology systems help you maintain strict process control by capturing high-resolution data for thickness, flatness, bow, warp, and TTV ensuring your wafers meet both internal quality goals and global standards like ASTM and SEMI.

From solar PV wafer production to advanced semiconductor fabrication, these wafer metrology tools are optimized for a range of materials and diameters from 76 mm to 300 mm. With advanced push-pull capacitance probe technology, MTI Instruments’ wafer measurement systems allow for accurate measurement of both semi-insulating and semiconducting wafers, eliminating ground loop errors and improving repeatability, even with challenging substrates. Whether you’re validating as-cut, lapped, etched, polished, or patterned wafers, these tools provide actionable 3D profiles in real time.

Manual Semiconductor Metrology System

The Proforma 300i wafer thickness gauge is a capacitance-based, differential measurement system that performs non-contact thickness measurements of semiconducting and semi-insulating wafers.

Semi-automated Wafer Inspection and Metrology System

The Proforma 300iSA is a benchtop/desktop, semi-automated wafer measurement system for semi-conducting and semi-insulating materials delivering full wafer surface scanning for thickness, thickness variation, bow, warp, sori, site and global flatness.

Key Features and Benefits of MTI’s Wafer Inspection and Metrology Systems

  • Non-Contact, Damage-Free Wafer Scanning: Measure thickness, bow, warp, and flatness without introducing stress, surface contamination, or mechanical wear.
  • 3D Wafer Mapping: Visualize wafer shape and thickness uniformity with precision 3D profiles that support faster diagnostics and process improvements.
  • ASTM & SEMI Compliance: Ensure your measurements meet global standards for reliability, audit-readiness, and inter-lab consistency.
  • Semi-Automated or Manual Control: Adapt measurement workflows to match your lab size, budget, and throughput whether you’re in R&D or production.
  • Powerful Data Analysis: Generate detailed reports with point-by-point data, statistical summaries, and color contour maps—perfect for SPC and root cause analysis.
  • Remote Access & Recipe Creation: Control and configure systems from anywhere. Create, store, and share scan recipes across teams for consistent measurement protocols.
  • Supports Multiple Wafer Types: Compatible with silicon, GaAs, SiC, Ge, InP, and thin-film substrates—ideal for legacy fabs and emerging solar cell technologies.
  • High Repeatability & Resolution: Achieve sub-micron resolution and repeatable results, even on warped or semi-insulating wafers minimizing false alarms and rework.
  • Compact, Benchtop Footprint: Designed to fit on lab benches or in production lines with limited space—no need for custom enclosures or large cleanroom installations.
  • Fast Setup and Intuitive Interface: Get up and running quickly with user-friendly software, visual guides, and minimal training requirements.
  • Field-Proven in Fab and Solar Environments: Trusted by semiconductor fabs, solar panel manufacturers, and research labs worldwide for accurate and reliable wafer analysis.

Integrated Precision Sensors & Measurement Add-Ons

  • 1D Laser Measurement Systems
    Achieve ultra-fast, high-resolution distance and displacement measurements for wafer thickness, positioning, and profiling tasks.
  • Fiber Optic Sensor Systems
    Ideal for non-contact displacement and vibration measurement in sensitive environments—immune to EMI and suitable for cleanroom conditions.
  • Signal Simulators for System Calibration
    Generate accurate voltage or charge signals to validate and calibrate metrology equipment, amplifiers, or data acquisition systems.
  • Laser Thickness Gauge Systems
    Perform real-time, inline thickness measurements on wafers, films, or coatings with sub-micron precision and no physical contact.

FAQs

Wafer metrology systems measure critical parameters such as wafer thickness, total thickness variation (TTV), bow, warp, flatness, and surface shape ensuring quality control and compliance with industry standards.

Yes. Our systems support both crystalline silicon and thin-film solar wafers, offering precise non-contact measurements ideal for delicate substrates.

Absolutely. The systems support standard wafer diameters up to 300 mm and include options for custom sizing or calibration.

While the primary function is dimensional metrology, our tools can identify shape anomalies and out-of-spec flatness or bow values that may indicate surface issues or defects

Manual systems are ideal for R&D and low-volume inspection, allowing full user control. Semi-automated systems increase throughput, repeatability, and consistency in production environments.

By providing accurate, repeatable wafer measurements at every stage, these systems help identify deviations early—allowing for process correction and reducing scrap, rework, and downstream failures.

Semiconductor metrology equipment refers to precision measurement tools used in the semiconductor manufacturing process to evaluate the physical properties of wafers and materials. These systems provide critical data on wafer thickness, flatness, bow, warp, and total thickness variation (TTV) parameters that directly affect chip performance, yield, and reliability. These tools support process control by ensuring each wafer meets required dimensional, electrical, and surface standards before further fabrication steps like lithography or doping.