- Butthemajoringredientofsemiconductorsissilicon,thesecondabundantelementonearth.Makingintegratedcircuitsinvolvesdepositinglayersofmaterialssuchassemiconductorsandmetalsonasiliconwafer.Butassemiconductorsmovetotheatomicscale,answeringthissortofquestion...
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