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NEMA CB 4 : 1989

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

SEMICONDUCTOR GRAPHITE
Withdrawn date

12-04-2000

Published date

12-01-2013

Publisher

National Electrical Manufacturers Association

Foreword
Scope
1 Referenced standards and definitions
     Referenced standards
     Definitions
2 Graphite properties
     Classification of grain size
     Classification of purity
     Procedures for material testing
3 General
     Handling of purified graphite
     Dust removal
     Outgassing
     Oxidation
     Purification

Defines those physical and chemical properties that are relevant to the material characterization of graphites used in the semiconductor industry. Does not incorporate any application performance standards relative to semiconductor graphites.

DocumentType
Standard
PublisherName
National Electrical Manufacturers Association
Status
Withdrawn

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