CERAMIC SUBSTRATE, CERAMIC CIRCUIT SUBSTRATE, AND SEMICONDUCTOR DEVICE
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 11, 2024
filing date -
Dec 11, 2024
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Abstract
A ceramic substrate according to an embodiment includes a ratio A/B of an arc discharge voltage A to a dielectric breakdown voltage B of not less than 0.3 when the arc discharge voltage A (kV) is measured when an arc discharge is detected when applying an AC voltage of 50 Hz or 60 Hz between a front surface and a back surface of the ceramic substrate at a voltage increase rate of 200 V/s, and when the dielectric breakdown voltage B (kV) between the front surface and the back surface is measured according to IEC 672-2.
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