Fe-Ni based material for shadow mask
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United States of America Patent
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Apr 15, 2003
Grant Date -
N/A
app pub date -
Dec 4, 2001
filing date -
Jun 10, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
It is a Fe--Ni based shadow mask material of Fe--Ni alloy or Fe--Ni--Co alloy used as a material for a color television cathode tube or the like, and relates to a material wherein the material has a texture that an X-ray intensity ratio Ir of cubic orientation (100)<001> to twinning orientation (221)<212> thereof in a (111) pole figure is a range of 0.5-5:1 and segregation of Ni, Mn or the like is less, and a section cleanness defined according to JIS G0555 is made to be not more than 0.05% to reduce the occurrence of streak or mottling in the etching.
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