Apparatus for shielding electromagnetic radiation
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United States of America Patent
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Sep 3, 1991
Grant Date -
N/A
app pub date -
May 18, 1989
filing date -
May 18, 1988
priority date (Note) -
Expired
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Abstract
This invention relates to an apparatus for shielding electromagnetic radiation which includes a casing made primarily of electromagnetic shielding material and an electromagnetic wave suppressor member having high permeability and/or permittivity. A method for using this apparatus also is described. The suppressor member has a high dielectric loss and/or high magnetic loss at a location close to the place in the casing where electromagnetic waves are less shielded, thereby reducing leakage of undesirable electromagnetic waves from the casing.
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