COAXIAL CABLE AND SUBSTRATE PROCESSING APPARATUS

摘要

According to one embodiment, there is provided a coaxial cable that transmits radio frequency power. The coaxial cable includes an inner tube, an outer tube, and an insulating support member. The inner tube is made of a conductor. The outer tube is disposed outside the inner tube coaxially with the inner tube and is made of a conductor. The insulating support member is disposed between the inner tube and the outer tube. Cooling gas flows into at least one of a first space inside the inner tube and a second space between the inner tube and the outer tube.