Patent ID: 9554492
Date: 2017-01-24
CPC Classifications: H01L,H05K

Claim:
1. A power converter comprising: a heat sink; a holding unit located on the heat sink and comprising a first part shaped to define a first groove and a second part shaped to define a second groove; a plurality of semiconductor devices disposed on the heat sink and located between the first part of the holding unit and the second part of the holding unit; and a fixing assembly pressing each of the semiconductor devices toward the heat sink; wherein the fixing assembly comprises: a lower push unit located between the first part of the holding unit and the second part of the holding unit, wherein the lower push unit comprises a top side and a bottom side, wherein the bottom side of the lower push unit contacts each of the semiconductor devices; an upper push unit comprising a central bent part that extends between a first insertion part and a second insertion part, wherein the central bent part partially protrudes downward and is elastically deformed such that a bottom side of the central bent part contacts the top side of the lower push unit, and wherein the first insertion part is received within the first groove and the second insertion part is received within the second groove; and a fixing bar inserted into the first groove and the second groove to couple the upper push unit to the holding unit.