公开(公告)号：US09685770B2

公开(公告)日：2017-06-20

申请号：US13851089

申请日：2013-03-26

Applicant: KOREA ASTRONOMY AND SPACE SCIENCE INSTITUTE

Inventor： Chan Park ,  Moo-Young Chun ,  Jae Sok Oh ,  Jakyoung Nah

IPC: H02G3/22 ,  G21B1/17

CPC classification number: H02G3/22 ,  G21B1/17

Abstract: Disclosed is a vacuum wall-through structure to be installed in a hole formed in a wall of a vacuum chamber. The vacuum wall-through structure includes a cable holder that holds a cable at the center thereof and a cable holder cover installed outside the cable holder.