SYSTEMS AND METHODS FOR POWER MODULE FOR INVERTER FOR ELECTRIC VEHICLE

    公开(公告)号:US20240106339A1

    公开(公告)日:2024-03-28

    申请号:US18175295

    申请日:2023-02-27

    Abstract: A power module includes: a first substrate having an outer surface and an inner surface, the first substrate extending from a first longitudinal end toward a second longitudinal end; a power switch including a semiconductor die, the power switch being coupled to the inner surface of the first substrate; a second substrate having an outer surface and an inner surface, the power switch being coupled to the inner surface of the second substrate, the second substrate extending from a first longitudinal end toward a second longitudinal end, wherein the first longitudinal end of the first substrate is longitudinally offset from the first longitudinal end of the second substrate; a first electrically conductive spacer coupled to inner surface of the first substrate and to the inner surface of the second substrate; and a flex circuit coupled to the power switch.

    CONFORMAL COATING BLOCKAGE BY SURFACE-MOUNT TECHNOLOGY SOLDER FEATURES

    公开(公告)号:US20200315030A1

    公开(公告)日:2020-10-01

    申请号:US16366909

    申请日:2019-03-27

    Inventor: David W. Ihms

    Abstract: A conformal coating control method includes arranging at least one conformal control surface feature on a surface of a printed circuit board proximate perimeter pads of an integrated circuit. The method also includes soldering, to the printed circuit board, the integrated circuit. The method also includes applying a conformal coating material to the printed circuit board, wherein the conformal coating material is at least partially restricted from flowing between the integrated circuit and the printed circuit board by solder flux residue accumulated proximate the conformal control surface feature.

    CERAMIC-WOUND-CAPACITOR WITH LEAD LANTHANUM ZIRCONIUM TITANATE DIELECTRIC

    公开(公告)号:US20190172649A1

    公开(公告)日:2019-06-06

    申请号:US16190477

    申请日:2018-11-14

    Abstract: A ceramic-wound-capacitor includes a first-electrically-conductive-layer, a dielectric-layer, a second-electrically-conductive-layer, and a protective-coating. The dielectric-layer is formed of an antiferroelectric lead-lanthanum-zirconium-titanate. The protective-coating has a thickness of less than ten micrometers (10 μm) and provides electrical isolation between the first-electrically-conductive-layer and the second-electrically-conductive-layer of the ceramic-wound-capacitor. A method for fabricating the ceramic-wound-capacitor includes the steps of feeding a carrier-strip, depositing a sacrificial layer, depositing a first-electrically-conductive-layer, depositing a dielectric-layer, and depositing a second-electrically-conductive-layer to form an arrangement coupled to the carrier-strip by the sacrificial-layer, separating the arrangement from the carrier-strip and sacrificial-layer, creating an exposed-surface of the first-electrically-conductive-layer, applying a protective-coating to the exposed-surface of the first-electrically-conductive-layer, winding the arrangement with the protective-coating to form a ceramic-wound-capacitor, where the protective-coating is in direct contact with the first-electrically-conductive-layer and the second-electrically-conductive-layer of the ceramic-wound-capacitor.

    Ceramic-wound-capacitor with lead lanthanum zirconium titanate dielectric

    公开(公告)号:US10163572B2

    公开(公告)日:2018-12-25

    申请号:US15447857

    申请日:2017-03-02

    Abstract: A ceramic-wound-capacitor includes a first-electrically-conductive-layer, a dielectric-layer, a second-electrically-conductive-layer, and a protective-coating. The dielectric-layer is formed of lead-lanthanum-zirconium-titanate (PLZT). The protective-coating has a thickness of less than ten micrometers (10 μm) and provides electrical isolation between the first-electrically-conductive-layer and the second-electrically-conductive-layer of the ceramic-wound-capacitor. A method for fabricating the ceramic-wound-capacitor includes the steps of feeding a carrier-strip, depositing a sacrificial layer, depositing a first-electrically-conductive-layer, depositing a dielectric-layer, and depositing a second-electrically-conductive-layer to form an arrangement coupled to the carrier-strip by the sacrificial-layer, separating the arrangement from the carrier-strip and sacrificial-layer, creating an exposed-surface of the first-electrically-conductive-layer, applying a protective-coating to the exposed-surface of the first-electrically-conductive-layer, winding the arrangement with the protective-coating to form a ceramic-wound-capacitor, where the protective-coating is in direct contact with the first-electrically-conductive-layer and the second-electrically-conductive-layer of the ceramic-wound-capacitor.

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