Microchannel chip and method for manufacturing same
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United States of America Patent
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Sep 17, 2024
Grant Date -
Jul 6, 2023
app pub date -
May 24, 2021
filing date -
May 29, 2020
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Abstract
A microchannel chip with which channel deformation does not occur even when high-temperature and high-pressure sterilization treatment is performed and with which strong joining performance of substrates is maintained; and a method for manufacturing the same are provided. A microchannel chip comprising: a channel substrate having a microchannel formed on at least one surface thereof; a lid substrate; and a joining layer joining the channel substrate and the lid substrate, wherein the channel substrate, the lid substrate, and the joining layer are each formed of a cycloolefin polymer, a glass-transition temperature Tgs1 of a cycloolefin polymer forming the channel substrate, a glass-transition temperature Tgs2 of a cycloolefin polymer forming the lid substrate, and a glass-transition temperature Tg2 of a cycloolefin polymer forming the joining layer have relationships: Tgs1>Tg2; and Tgs2>Tg2, and the joining layer has a thickness within a specific range.
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