IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0461529
(2009-08-14)
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등록번호 |
US-8516834
(2013-08-27)
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발명자
/ 주소 |
- Snow, David
- Chase, Michael
- Woidtke, Alex
- Mauritsen, Luke
- Henslee, Isaac
- Sellin, Peter B.
- Merkel, Kris
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
20 |
초록
▼
A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or
A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or cryo-cooler mounting surface. A vacuum plate is removably attached to the vacuum shroud to provide access to the sample chamber.
대표청구항
▼
1. A cryogenic apparatus comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler;a thermal link connecting the nested thermally insulated structure and the cryo-cooler,a vacuum shroud encasing the nested thermally insulated structure, the cryo-cooler, and t
1. A cryogenic apparatus comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler;a thermal link connecting the nested thermally insulated structure and the cryo-cooler,a vacuum shroud encasing the nested thermally insulated structure, the cryo-cooler, and the thermal link; anda vacuum plate removably attached to the vacuum shroud. 2. The cryogenic apparatus of claim 1, wherein the nested thermally insulated structure comprises: a sample mount;a first tube coupler;a second tube coupler;an inner thermally insulated tube attached to the sample mount;a middle thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler; andan outer thermally insulated tube attached to the middle thermally insulated tube via the second tube coupler,wherein the middle thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the middle thermally insulated tube, andthe outer thermally insulated tube surrounds the middle thermally insulated tube such that a point midway between the top and bottom of the middle thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube. 3. The cryogenic apparatus of claim 2, further comprising: a mount flange attached to an outer surface of the outer thermally insulated tube. 4. The cryogenic apparatus of claim 2, wherein the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube comprise glass fiber and epoxy resin. 5. The cryogenic apparatus of claim 2, wherein the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube comprise at least one of carbon fiber, graphite, poly-N,N′-(p,p′-oxydiphenylene pyromellitimide), or polyaryletheretherketone. 6. The cryogenic apparatus of claim 2, wherein the sample mount comprises copper. 7. The cryogenic apparatus of claim 2, wherein the cryo-cooler comprises: a cold head;a high temperature cold finger in communication with the cold head;a low temperature cold finger in communication with the high temperature cold finger; anda cryo-cooler radiation shield,wherein the thermal link has a high temperature thermal link portion and a low temperature thermal link portion,the high temperature thermal link portion connects the second tube coupler with the high temperature cold finger;the low temperature thermal link portion connects the sample mount with the low temperature cold finger, andthe cryo-cooler radiation shield connects the high temperature cold finger and the high temperature thermal link portion. 8. The cryogenic apparatus of claim 1, wherein said thermal link is for reducing vibration such that a peak corresponding to a repetition interval at which the cryo-cooler operates is lowered from 10 μm to 20 nm. 9. A cryogenic apparatus comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler; anda thermal link connecting the nested thermally insulated structure and the cryo-cooler,wherein the nested thermally insulated structure comprises:a sample mount;a first tube coupler;a second tube coupler;an inner thermally insulated tube attached to the sample mount;a middle thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler; andan outer thermally insulated tube attached to the middle thermally insulated tube via the second tube coupler,wherein the middle thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the middle thermally insulated tube, andthe outer thermally insulated tube surrounds the middle thermally insulated tube such that a point midway between the top and bottom of the middle thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube,the cryogenic apparatus further comprising:a vacuum shroud encasing the nested thermally insulated structure, the cryo-cooler, and the thermal link; anda vacuum plate removably attached to the vacuum shroud,wherein the nested thermally insulated structure and the vacuum plate form a sample chamber, anda volume of the sample chamber is not in fluid communication with a volume enclosed by the vacuum shroud, such that upon dispersal of the vacuum in the sample chamber, a vacuum is maintained in the area enclosed by the vacuum shroud. 10. The cryogenic apparatus of claim 9, further comprising a tubular radiation shield disposed between the outer thermally insulated tube and the middle thermally insulated tube, wherein the tubular radiation shield is attached to the second tube coupler. 11. The cryogenic apparatus of claim 10, wherein the tubular radiation shield is removably attached to the second tube coupler. 12. The cryogenic apparatus of claim 10, wherein the tubular radiation shield, the first tube coupler and the second tube coupler comprise aluminum. 13. The cryogenic apparatus of claim 10, further comprising a removable radiation shield removably attached to the tubular radiation shield, wherein the removable radiation shield is not in direct contact with the vacuum plate. 14. The cryogenic apparatus of claim 4, wherein a portion of the inner thermally insulated tube, a portion of the middle thermally insulated tube, a portion of the outer thermally insulated tube, and a portion of the tubular radiation shield are transparent to light. 15. A cryogenic apparatus comprising a nested thermally insulated structure, wherein the nested thermally insulated structure comprises: a sample mount;a first tube coupler;a second tube coupler;an inner thermally insulated tube attached to the sample mount;a middle thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler; andan outer thermally insulated tube attached to the middle thermally insulated tube via the second tube coupler,wherein the middle thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the middle thermally insulated tube, andthe outer thermally insulated tube surrounds the middle thermally insulated tube such that a point midway between the top and bottom of the middle thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube, andwherein the cryogenic apparatus further comprises:a vacuum shroud for encasing the nested thermally insulated structure; anda vacuum plate removably attached to the vacuum shroud. 16. The cryogenic apparatus of claim 15, further comprising a tubular radiation shield disposed between the outer thermally insulated tube and the middle thermally insulated tube, wherein the tubular radiation shield is attached to the second tube coupler. 17. The cryogenic apparatus of claim 16, further comprising a removable radiation shield removably attached to the tubular radiation shield. 18. The cryogenic apparatus of claim 15, wherein the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube comprise at least one of glass fiber and epoxy resin, carbon fiber, graphite, poly-N,N′-(p,p′-oxydiphenylene pyromellitimide), or polyaryletheretherketone. 19. The cryogenic apparatus of claim 15, wherein the sample mount comprises copper. 20. The cryogenic apparatus of claim 15, wherein the tubular radiation shield, the first tube coupler and the second tube coupler comprise aluminum. 21. The cryogenic apparatus of claim 2, wherein the first tube coupler, the second tube coupler, the inner thermally insulated tube, the middle thermally insulated tube, and the outer thermally insulated tube are attached with epoxy. 22. The cryogenic apparatus of claim 15, wherein the first tube coupler, the second tube coupler, the inner thermally insulated tube, the middle thermally insulated tube and the outer thermally insulated tube are attached with epoxy. 23. The cryogenic apparatus of claim 16, wherein a portion of the inner thermally insulated tube, a portion of the middle thermally insulated tube, a portion of the outer thermally insulated tube, and a portion of the tubular radiation shield are transparent to light. 24. A cryogenic apparatus comprising a nested thermally insulated structure, wherein the nested thermally insulated structure comprises: a sample mount;a tube coupler;an inner thermally insulated tube attached to the sample mount; andan outer thermally insulated tube attached to the inner thermally insulated tube via the tube coupler,wherein the outer thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube, andwherein the cryogenic apparatus further comprises:a vacuum shroud for encasing the nested thermally insulated structure; anda vacuum plate removably attached to the vacuum shroud. 25. The cryogenic apparatus of claim 24, further comprising a tubular radiation shield disposed between the outer thermally insulated tube and the inner thermally insulated tube, wherein the tubular radiation shield is attached to the tube coupler. 26. The cryogenic apparatus of claim 25, wherein the tubular radiation shield is removably attached to the tube coupler. 27. The cryogenic apparatus of claim 24, wherein the inner thermally insulated tube and the outer thermally insulated tube comprise at least one of glass fiber and epoxy resin, carbon fiber, graphite, poly-N,N′-(p,p′-oxydiphenylene pyromellitimide), or polyaryletheretherketone. 28. The cryogenic apparatus of claim 24, wherein the sample mount comprises copper. 29. The cryogenic apparatus of claim 25, wherein the tubular radiation shield and the tube coupler comprise aluminum. 30. The cryogenic apparatus of claim 25, wherein a portion of the inner thermally insulated tube, a portion of the outer thermally insulated tube, and a portion of the tubular radiation shield are transparent to light. 31. A cryogenic apparatus comprising: a nested thermally insulated structure for holding a sample to be cooled;a cryo-cooler;a thermal link connecting the nested thermally insulated structure and the cryo-cooler,wherein the nested thermally insulated structure comprises:a sample mount;a first tube coupler;a second tube coupler;an inner thermally insulated tube attached to the sample mount;a middle thermally insulated tube attached to the inner thermally insulated tube via the first tube coupler; andan outer thermally insulated tube attached to the middle thermally insulated tube via the second tube coupler,wherein the middle thermally insulated tube surrounds the inner thermally insulated tube such that a point midway between the top and bottom of the inner thermally insulated tube is disposed between the top and bottom of the middle thermally insulated tube, andthe outer thermally insulated tube surrounds the middle thermally insulated tube such that a point midway between the top and bottom of the middle thermally insulated tube is disposed between the top and bottom of the outer thermally insulated tube,the cryogenic apparatus further comprising:a vacuum shroud encasing the nested thermally insulated structure, the cryo-cooler, and the thermal link; anda vacuum plate removably attached to the vacuum shroud. 32. The cryogenic apparatus of claim 31, further comprising a tubular radiation shield disposed between the outer thermally insulated tube and the middle thermally insulated tube, wherein the tubular radiation shield is attached to the second tube coupler. 33. The cryogenic apparatus of claim 32, wherein the tubular radiation shield is removably attached to the second tube coupler. 34. The cryogenic apparatus of claim 32, wherein the tubular radiation shield, the first tube coupler and the second tube coupler comprise aluminum. 35. The cryogenic apparatus of claim 32, further comprising a removable radiation shield removably attached to the tubular radiation shield, wherein the removable radiation shield is not in direct contact with the vacuum plate.
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