SJ 3249.3-1989 English PDF

US$129.00 · In stock
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SJ 3249.3-1989: Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorption
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 3249.3-1989	129	Add to Cart	2 days	Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorption	Obsolete

Similar standards

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Basic data

Standard ID: SJ 3249.3-1989 (SJ3249.3-1989)
Description (Translated English): Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorption
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: H83;L90
Classification of International Standard: 29.045
Word Count Estimation: 2,240
Date of Issue: 3/20/1989
Date of Implementation: 3/25/1989
Regulation (derived from): Industry-Science (2010) No.77
Summary: This standard specifies the semi-insulating gallium arsenide infrared absorption of chromium concentration measured is the principle, equipment, measurement procedures, the results of calculations and accuracy. This standard applies to the determination of chromium levels grown semi-insulating gallium arsenide doped concentration in Gr suitable sample thickness 2 ~ 4mm. Suitable chromium concentration greater than 1. 5 �� 10 ^ (17) cm ^ (- 3) of the sample.

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