SYMPOSIA PAPER Published: 01 January 2000
STP13488S

Silicon Substrate Related Gate Oxide Integrity at Different Oxide Thicknesses

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Gate oxide integrity (GOI) testing is a valuable tool for the characterization, development and optimization of tailor-made silicon (Si) substrates for the integrated circuits industry. Different Si substrates with various numbers of grown-in defects have been evaluated using charge-to-breakdown measurements. Yield and defect density analyses are studied for oxide thicknesses in the range from 40 nm down to 5 nm. The sensitivity and impact of grown-in defects, here predominantly crystal-originated particles (COPs), for different material groups on gate oxide reliability are shown in detail. In addition, results are presented on gate oxide degradation due to intentional metallic (Ni, Cu, Fe) contamination of various wafer types.

Author Information

Grann, ED
Wacker Siltronic Corp, Portland, OR
Huber, A
Wacker Siltronic AG, Burghausen, Germany
Grabmeier, J
Wacker Siltronic AG, Burghausen, Germany
Hölzl, R
Wacker Siltronic AG, Burghausen, Germany
Wahlich, R
Wacker Siltronic AG, Burghausen, Germany
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Details
Developed by Committee: F01
Pages: 112–121
DOI: 10.1520/STP13488S
ISBN-EB: 978-0-8031-5431-5
ISBN-13: 978-0-8031-2615-2