发明名称 |
Method and apparatus for improving the sensitivity of a leak detector utilizing a cryopump. |
摘要 |
<p>A cryopump and method for using cryopumping to enhance the sensitivity of a leak detection system. The cryopump is used to control the relative pumping speeds of the gases normally frozen out on the pump or adsorbed in a cold adsorbent to thereby achieve the enhanced sensitivity of the system. The system is characterized by controlled access to the cold panel which is disposed within the warm panel.</p> |
申请公布号 |
EP0158295(A2) |
申请公布日期 |
1985.10.16 |
申请号 |
EP19850104152 |
申请日期 |
1985.04.04 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
LONGSWORTH, RALPH CADY |
分类号 |
F04B37/08;G01M3/20;H01J49/04;(IPC1-7):F04B37/08 |
主分类号 |
F04B37/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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