COMPOSITE FILTER DEVICE
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 21, 2023
filing date -
Mar 23, 2021
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Abstract
A composite filter device includes first and second filter chips mounted on an upper surface of a substrate by first and second conductive bonds. The first filter chip includes a longitudinally coupled resonator filter. The second filter chip does not include a longitudinally coupled resonator filter. A height of the first conductive bond is lower than a height of the second conductive bond.
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