METHOD FOR EVALUATING DEFECT REGION OF SEMICONDUCTOR SUBSTRATE

A method evaluates a defect region of a semiconductor substrate based on C-V characteristics of a MOS structure formed on the semiconductor substrate, including determining a relationship between defect region and flat band voltage or fixed charge density by using a semiconductor substrate having a...

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creator ARATANI Takashi
description A method evaluates a defect region of a semiconductor substrate based on C-V characteristics of a MOS structure formed on the semiconductor substrate, including determining a relationship between defect region and flat band voltage or fixed charge density by using a semiconductor substrate having a known defect region, under a heat treatment condition and a C-V characteristic evaluating condition identical to conditions for evaluating a defect region of a semiconductor substrate to be evaluated, determining a flat band voltage or a fixed charge density of the semiconductor substrate to be evaluated from C-V characteristics of a MOS structure formed on the semiconductor substrate to be evaluated, and identifying the defect region of the semiconductor substrate to be evaluated based on the relationship between defect region and flat band voltage or fixed charge density previously determined, whereby the defect region of the semiconductor substrate is evaluated.
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subjects AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
METALLURGY
PHYSICS
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
TESTING
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
title METHOD FOR EVALUATING DEFECT REGION OF SEMICONDUCTOR SUBSTRATE
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