Measuring and testing – Hardness – By penetrator or indentor
Patent
1990-02-05
1991-01-15
Raevis, Robert
Measuring and testing
Hardness
By penetrator or indentor
G01N 348
Patent
active
049844539
ABSTRACT:
Indenter for fractoemission measurement which is comprised of a nonconductive holder and in which the tip that contacts the specimen surface is formed of a hard, conductive material. The entire surface, except for the tip that contacts the specimen, is covered with electromagnetic shielding.
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patent: 4855673 (1989-08-01), Todokoro
patent: 4893077 (1990-01-01), Auchterlonie
Agency of Industrial Science & Technology
Ministry of International Trade and Industry
Raevis Robert
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