Power module
A power module and power switch technology, which is applied to output power conversion devices, semiconductor/solid-state device components, semiconductor devices, etc., can solve the problems of large freewheeling circuit inductance, large freewheeling circuit area, and low reliability of modules , to achieve the effects of reducing stray inductance and switching loss, reducing the area of the freewheeling circuit, and improving reliability
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[0019] Such as figure 1 As shown, a power module includes a base plate 1, a positive electrode 2, a negative electrode 3, an output electrode 4, and an insulating substrate arranged on the base plate 1, and the positive electrode 2, the negative electrode 3, and the output electrode 4 are connected to the base plate 1. An insulating layer is provided. In this embodiment, the insulating layer is image 3 In the insulating shell 15 shown in , the insulating substrate includes a thermally conductive insulating layer and a copper layer formed on the thermally conductive insulating layer, and a plurality of mutually independent annular insulating grooves 5 are arranged on the copper layer of the insulating substrate. The embodiment of the present invention By etching a plurality of mutually independent annular insulating grooves 5 on the copper layer of the insulating substrate. The copper layer inside each insulating slot is the copper layer 6 of the lower arm, and the copper lay...
PUM
![No PUM](https://static-eureka.patsnap.com/ssr/23.2.0/_nuxt/noPUMSmall.5c5f49c7.png)
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![application no application](https://static-eureka.patsnap.com/ssr/23.2.0/_nuxt/application.06fe782c.png)
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