公开(公告)号：US20230263445A1

公开(公告)日：2023-08-24

申请号：US18307094

申请日：2023-04-26

Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Kwon-Kyu YU ,  Yong-Ho LEE ,  Jin-Mok KIM ,  Hyukchan KWON ,  Sang Kil LEE ,  Bo-Kyung KIM

IPC: A61B5/243

CPC classification number: A61B5/243 ,  A61B2562/0223 ,  A61B2562/046 ,  A61B2562/166

Abstract: A magnetic field measuring apparatus according to an example embodiment includes: an external container; an internal container storing a liquid refrigerant, disposed inside the external container, and including a neck portion having a first diameter and a body portion having a second diameter greater than the first diameter, wherein a space between the internal container and the external container is maintained in a vacuum state; a SQUID sensor module mounting plate disposed below the internal container; a plurality of SQUID sensor modules mounted below the SQUID sensor module mounting plate; and a 4K heat shielding portion formed of a conductive mesh disposed to surround the SQUID sensor module mounting plate and the plurality of SQUID sensor modules.