SEMICONDUCTOR DEVICE
    4.
    发明公开

    公开(公告)号:US20240321834A1

    公开(公告)日:2024-09-26

    申请号:US18734915

    申请日:2024-06-05

    摘要: A semiconductor device having a semiconductor unit including: a first arm part that includes first and second semiconductor chips respectively having first and second main electrodes, a first circuit pattern on which the first and second semiconductor chips are disposed, a second circuit pattern, a first main current wire connecting the first main electrode and second circuit pattern, and a second main current wire connecting the second main electrode and the second circuit pattern; and a second arm part that includes third and fourth semiconductor chips respectively having third and fourth main electrodes and being disposed on the second circuit pattern, a third circuit pattern, a third main current wire connecting the third main electrode and the third circuit pattern, and a fourth main current wire connecting the fourth main electrode and the third circuit pattern. Each semiconductor chip is an IGBT or MOSFET.

    LEAD BONDING STRUCTURE COMPRISING EMBEDDED MANIFOLD TYPE MICRO-CHANNEL AND PREPARATION METHOD FOR LEAD BONDING STRUCTURE

    公开(公告)号:US20240266254A1

    公开(公告)日:2024-08-08

    申请号:US18563120

    申请日:2021-06-01

    申请人: Peking University

    摘要: The present invention relates to a wire bonding structure with an embedded manifold type micro-channel. The wire bonding structure includes: a chip, including a substrate and an embedded micro-channel located on a back portion of the substrate; an interposer, including a manifold channel, a liquid inlet, and a liquid outlet; a low-temperature sealing layer, configured to hermetically communicate the embedded micro-channel with the manifold channel, wherein the low-temperature sealing layer is located between the chip and the interposer; and a bonding wire, configured to electrically connect the chip to the interposer. The present invention further relates to a preparation method of a wire bonding structure with an embedded manifold type micro-channel. The wire bonding structure of the present invention has both low-temperature process compatibility and packaging compatibility, and further has high heat dissipation efficiency. The embedded manifold type micro-channel of the present invention has the advantages of short flow distance, low flow resistance, and low thermal resistance, and is more suitable for being integrated into a high-power chip for efficient heat dissipation.