Patent · US Active

IGBT heat dissipation structure

US10475723B1 · kind B1 · utility

4Cited by
0References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 2018
Grant dateNov 12, 2019
Priority date
Expiry dateNov 6, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D12/441
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An IGBT heat dissipation structure includes a layer of IGBT chips, a bonding layer, a cold spray layer, a thermal spray layer, and a heat dissipation layer. The thermal spray layer is disposed on top of the heat dissipation layer. The cold spray layer is disposed on top of the thermal spray layer. The bonding layer is disposed on top of the cold spray layer, and the layer of IGBT chips is disposed on top of the bonding layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.