Regulator for controlling liquid helium bath near 4.2 K.
暂无分享,去创建一个
A simple regulator for stabilizing the temperature of a liquid (4)He bath near 4.2 K is described. The device controls the pressure of the (4)He gas, and achieves a stability of +/-50 muK for the hold-time of the cryostat.
[1] John Clarke,et al. Tunnel junction dc SQUID: Fabrication, operation, and performance , 1976 .
[2] C. Blake,et al. Liquid‐Helium Temperature Regulator , 1963 .
[3] W. S. Boyle,et al. Thermoregulator for a Liquid Helium Bath , 1954 .
[4] J. A. Griffin. An ac capacitance bridge temperature controller for use in strong magnetic fields at low temperatures , 1975 .
[5] G. Rochlin. Improved Design Liquid Helium Temperature Regulator Using Operational Amplifier Circuits , 1970 .