Power module substrate unit and power model

Power module substrate unit and power model

  • CN 106,165,090 A
  • Filed: 04/24/2015
  • Published: 11/23/2016
  • Est. Priority Date: 04/25/2014
  • Status: Active Application
First Claim
Patent Images

1. a power module substrate unit, it has at least one power module substrate;

  • And it is bonded to this power modelWith the fin of the described metal level of substrate, described power module substrate possesses a piece of ceramic substrate, is formed at this ceramic baseThe circuit layer of the one side of plate and be formed at the metal level of another side of described ceramic substrate, wherein,Described metal level is made up of aluminium sheet more than purity 99.99 mass %,Described fin is made up of the aluminium sheet below purity 99.90 mass %,Described circuit layer has the be made up of the 1st be bonded on described ceramic substrate aluminium sheet more than purity 99.99 mass %Layer and the stepped construction of be bonded on the surface of the 1st layer the 2nd layer be made up of less than the aluminium sheet of 99.90 mass % purity.

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