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Life Measuring Equipment

Carrier life measuring equipment in the semiconductor industry refers to the tools and instruments used to determine the life or reliability of carriers (electrons or holes) in a semiconductor device. This information is used to optimize the design and performance of the device and to predict its behavior over time under different operating conditions. The most commonly used carrier life measuring equipment include C-V (Capacitance-Voltage) analyzers, TLP (Transient Liquid Phase) testers, and HTOL (High-Temperature Operating Life) testers. The lifetime of a carrier (e.g. an electron or hole in a material) can be measured using several experimental techniques, including: Time-Resolved Photoluminescence (TRPL): In TRPL, a laser pulse excites carriers and the subsequent decay of the photoluminescence is measured as a function of time, from which the lifetime can be extracted. Time-Resolved Four-Wave Mixing (TR-FWM): In TR-FWM, a pump pulse creates carriers, which then interact with a probe pulse, leading to the generation of a signal that depends on the carrier density and the lifetime. The probe pulse is delayed in time, and the signal is measured as a function of delay time, from which the lifetime can be extracted. Transient Absorption Spectroscopy (TAS): In TAS, a pump pulse creates carriers, which then absorb light at a different wavelength, leading to a decrease in the transmission at that wavelength. The transmission is measured as a function of time, from which the lifetime can be extracted. These are a few of the commonly used techniques for measuring carrier lifetimes. The specific method used depends on the material under investigation and the desired accuracy of the lifetime measurement.

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Freiberg Instruments GmbH

, DE Manufacturer

Fast, nondestructive, electrical characterization tools under production conditions, measuring parameters like minority carrier lifetime, photoconductivity and resistivity.

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Kobelco Research Institute Inc.

, JP Manufacturer, Service Company

Analysis, Measurement and evaluation services: physical and chemical analysis of semiconductor device, FPD and media; Environment evaluation of the clean room. Semiconductor measurement, inspection and sorting systems: lifetime; wafer edge profiler.

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sentronics metrology GmbH

, DE Manufacturer

Wafer optical metrology tools for the semiconductor industry.

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