The thermal conductivity of vacuum insulated panel can be 0.004W/M. K, and is only one-fifth of common Polyurethane material. VIP can be used in many fields, such as Avigation.
3
如果无法找到三同轴的真空接头,那么可以在绝缘的BNC连接处构建金属安全屏蔽(图4 - 18)。
If a triaxial vacuum feedthrough is unavailable, a metal safety shield should be built around the isolated BNC connection (Figure 4-18).