Samsung Electronics Co. said Wednesday it has developed an 8-nanometer (nm) process technology for radio frequency (RF) chips as the South Korean tech giant eyes to beef up its foundry service for 5G mobile semiconductors. Samsung said its 8nm foundry will deliver 5G single-chip RF solutions supporting sub-6-gigahertz to millimeter wave spectrum. A RF integrated circuit is a semiconductor used for radio frequency signal receiving or transmission and analog-digital conversion ...