Semiconductor device and method of manufacturing the same

A method of manufacturing a semiconductor device, comprising:

• a first step of forming a semiconductor layer on a growth substrate with a lift-off layer therebetween;
• a second step of partially removing the semiconductor layer to form grooves in a grid pattern such that the growth substrate is partially exposed at the bottom of the grooves, thereby forming a plurality of semiconductor structures each having a nearly quadrangular transverse cross-sectional shape;
• a third step of forming a conductive support body for integrally supporting the plurality of the semiconductor structures;
• a fourth step of removing the lift-off layer using a chemical lift-off process;
• and
• a fifth step of dividing the conductive support body between the semiconductor structures thereby singulating a plurality of semiconductor devices having the respective semiconductor structures supported by the conductive support body,
• wherein in the fourth step, in supplying an etchant to the grooves via through-holes in the conductive support body, the through-holes being provided in a portion above the grooves, the lift-off layer is etched from only one of the side surfaces of each of the semiconductor structures.