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The WCT-120TS enables temperature-dependent
carrier-recombination lifetime metrology
description of WCT-120
 
WCT-120 — The Standard Offline Wafer-Lifetime Tool

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photo of WCT-120 instrument

Wafer measurement instrument
offering calibrated analysis of
temperature-dependent carrier-recombination lifetime.
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Product Overview
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The WCT-120TS Temperature Stage instrument showcases the unique measurement and analysis techniques found with our WCT-120 instrument with the added capability to measure the carrier recombination lifetime of silicon wafers at temperatures ranging from 25°C to 200°C. Both the Quasi-Steady-State Photoconductance (QSSPC) lifetime measurement method developed by Sinton Instruments as well as the transient photoconductance technique can be used to measure wafer lifetime.
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WCT-120TS System Capabilities
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Primary application:
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Measuring carrier recombination lifetime in silicon wafers at a range of temperatures.
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Other applications:
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chart for WCT-120 instrument
Temperature and injection-dependent lifetime results.

larger view

Monitoring initial material quality
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Detecting heavy metals contamination during wafer processing
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Evaluating surface passivation and emitter dopant diffusion
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Evaluating process-induced shunting using the implied I-V measurement
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Further Information
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For key features, specifications, and additional information, download the WCT-120TS product note (PDF - 563k).

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