Capacitor having insert injection-type case with dual material of metal and plastic
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United States of America Patent
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Mar 19, 2024
Grant Date -
Feb 23, 2023
app pub date -
Jun 29, 2021
filing date -
Jun 29, 2021
priority date (Note) -
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Abstract
A capacitor includes a capacitor module including a capacitor device, a first busbar electrically connected with a thermally-sprayed surface of the capacitor device and having a first lead terminal on an exposed side, a second busbar electrically connected with the other thermally-sprayed surface of the capacitor device and having a second lead terminal on an exposed side, and an insulating sheet disposed between the first busbar and the second busbar to insulate an overlap region; a plastic case having a 3D space formed by four sides and a bottom to accommodate the capacitor module and having an open top; a metallic external wall is formed outside one side of the four sides or the bottom of the plastic case; and a filler permeating in a gel or fluid state into the space between the capacitor module and inner walls of the plastic case.
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