DLS-1100 Deep Level Transient Spectrometer
The DLS-1100 Deep Level Transient Spectrometer is a premier metrology platform designed for characterizing electrically active defects and lattice impurities in semiconductor materials. Integrating low-vibration cryostat technology with advanced signal processing, it enables automated measurement of trap concentration, activation energy, and capture cross-sections. Engineered for wafer manufacturers and research institutes, the DLS-1100 provides critical data to ensure optimal carrier performance and material purity.
Product Overview
Core Features
- High-Sensitivity Detection: Capable of identifying trace level contaminants down to 5 x 107 atoms/cm3 for high-purity material validation.
- Numerical Evaluation: Automated numerical analysis of digitized capacitance transients for accurate determination of trap properties.
- Multi-Sensor Thermal Control: Features up to 10 sensors ensuring temperature measurement accuracy of less than 1 K across the testing range.
- Dual Analysis Modes: Integrated support for both Capacitance DLTS and I-DLS, tailored for high-conductivity semiconductor samples.
- Automated Logic: Fully automatic control of experimental parameters and calculation of trap concentration and activation energy.
Application
Wafer Manufacturing
Verification of semiconductor purity and monitoring of metallic contaminants during production to ensure high-yield device fabrication.
Photovoltaics (DLTS-PV)
Characterization of recombination centers in solar materials to optimize charge carrier lifetime and energy conversion efficiency.
MOS Structure Analysis
Evaluating interface state densities and deep level traps in Metal-Oxide-Semiconductors to improve gate oxide stability.
Technical Specifications
| Technical Parameter | Specification Detail |
|---|---|
| Impurity Detection Sensitivity | 5 x 107 atoms/cm3 |
| Thermal Stability | Advanced controller maintaining < 1 K error |
| Cryostat Option: Closed He | 30 K to 325 K Range |
| Cryostat Option: Bath Nitrogen | 77 K to 450 K Range |
| Cryostat Option: Auto Flow | 80 K to 550 K or 80 K to 800 K Range |
| Measurement Core | Lock-in Integrator for Capacitance Transients |
| Advanced Logic | Digitization and Numerical Analysis via Transient Recorder |
| Trap Identification | Activation Energy and Capture Cross Section Evaluation |
| Conductivity Adaptation | Current DLS (I-DLS) for low-impedance samples |
| Software Architecture | Win-based platform for automated measurement and report generation |
