Energy-dispersive X-ray detector

Details Energy-dispersive X-ray detector Energy-dispersive X-ray detector

1992-07-02

1993-12-14

Anderson, Bruce C.

Radiant energy

Inspection of solids or liquids by charged particles

Electron probe type

25037015, 250399, H01J 37244, H01J 3726

Patent

active

052705447

ABSTRACT:
An X-ray detector used in an energy-dispersive X-ray spectrometer The detector comprises a cooling vessel containing liquid nitrogen and a protective container enclosing the cooling vessel. The space between the cooling vessel and the protective container is hermetically partitioned into a dewar tank portion and a nose portion by a partition wall. An X-ray detector device is accommodated in the nose portion. If the liquid nitrogen inside the cooling vessel evaporates, the produced gas stays only inside the dewar tank portion and does not enter the nose portion.

REFERENCES:
patent: 3812288 (1974-05-01), Walsh et al.
patent: 4851684 (1989-07-01), Martin et al.
patent: 4910399 (1990-03-01), Taira et al.

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