Reflector rack, fabrication method thereof, and narrow brand x-ray filter and system including same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G21K-003/00
G02B-005/28
G02B-005/26
출원번호
US-0132305
(2005-05-19)
등록번호
US-7257197
(2007-08-14)
발명자
/ 주소
Cho,Yong Min
출원인 / 주소
Monochromatic X Ray Filter Technologies, Inc.
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
0인용 특허 :
2
초록▼
A stackable rack may comprise: at least two rails, a cross-section of each rail having a shape resembling a staircase, first step portion of which represents a first surface upon which a reflector can be disposed; and a second step portion of which represents a second surface which can support anoth
A stackable rack may comprise: at least two rails, a cross-section of each rail having a shape resembling a staircase, first step portion of which represents a first surface upon which a reflector can be disposed; and a second step portion of which represents a second surface which can support another rail. A method of making a narrow band x-ray filter may comprise: providing a substrate; and stacking one or more reflection units in succession upon the substrate, each reflection unit including a rack (such as mentioned above) and a reflector held by the rack. An apparatus to produce a substantially narrow band x-ray beam may include such a filter. An apparatus to make an x-ray image of a subject may include: the apparatus to produce a substantially narrow band x-ray beam, e.g., as set forth above, and an x-ray detector arranged to receive the narrow band x-ray.
대표청구항▼
What is claimed is: 1. A stackable reflection assembly comprising: at least two rails; and a reflector; a cross-section of each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail, each of said at
What is claimed is: 1. A stackable reflection assembly comprising: at least two rails; and a reflector; a cross-section of each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail, each of said at least two rails having a first end and a second end spaced apart along the longitudinal axis of the corresponding rail; the first step portions of said at least two rails including first mounting surfaces upon which the reflector is disposed; the second step portions of said at least two rails including second mounting surfaces; and said at least two rails being spaced apart and oriented with respect to each other so that the longitudinal axes thereof intersect. 2. The assembly of claim 1, wherein: the first step portion includes at least one channel portion and at least one plateau portion; the at least one plateau portion defining at least a part of the first surface; and the at least one channel portion representing a recess that can receive an adhesive by which the reflector can be adhered to the respective rail. 3. The assembly of claim 2, wherein: each channel has a longitudinal axis that is substantially parallel to the longitudinal axis of the respective rail. 4. The assembly of claim 2, wherein each first step portion includes two or more ones of the at least one channel portions. 5. The assembly of claim 4, wherein: each first step portion includes two or more of the at least one plateau portions; a first one of the channel portions is adjacent the second step portion; a first one of the plateau portions is adjacent the first channel; a second one of the channel portions is adjacent the first plateau portion such that the first plateau portion is interposed between the first and second channel portions. 6. The assembly of claim 1, wherein at least one of the following is true: a height of the first step portion corresponds to a height of a void formable between the underlying structure on which the assembly is disposable and an reflector; and a height of the second step portion corresponds to a thickness of the reflector. 7. The assembly of claim 1, further comprising: at least one rib connecting a first one of the at least two rails to a second one of the at least two rails. 8. The assembly of claim 7, wherein the at least two rails and the at least one rib together are of monolithic construction. 9. A stackable reflection assembly comprising: at least two rails; and a reflector; a cross-section of each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail; the first step portions of said at least two rails including first mounting surfaces upon which the reflector is disposed; the second step portions of said at least two rails including second mounting surfaces; at least one rib connecting a first one of the at least two rails to a second one of the at least two rails; and wherein the at least one rib is of a thickness substantially the same as the thickness of the first step portions such that, when the reflector is disposed on the respective first step portions, the reflector is also disposed on the at least one rib. 10. The assembly of claim 7, further comprising: two or more ones of the at least one rib; a first one of the ribs being disposed to connect corresponding first ends of the first and second rails; and a second one of the ribs being disposed to connect corresponding second ends of the first and second rails, the first and second ribs establishing a substantially fixed, divergent relationship between the first and second rails. 11. The assembly of claim 10, further comprising: a third rib, interposed between the first and second ribs, and disposed to connect the first and second rails. 12. The assembly of claim 7, wherein the at least one rib is arcuate. 13. A stackable assembly comprising: at least two rails; and a reflector; a cross-section of each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail, each of said at least two rails having a first end and a second end spaced apart along the longitudinal axis of the corresponding rail; the first step portions of said at least two rails including first mounting surfaces upon which the reflector is disposed; the second step portions of said at least two rails including second mounting surfaces; at least one rib connecting a first one of the at least two rails to a second one of the at least two rails; and wherein, for each rail, the following is true, a thickness of the second step portion is substantially uniform from the first end, along the longitudinal axis, to the second end thereof, and a thickness of the first step portion increases in magnitude, along the longitudinal axis, from a first thickness at the first end to the second thickness at the second end thereof such that a combined thickness of the first and second step portions increases from the first end to the second end. 14. The assembly of claim 1, wherein the at least two rails together are of monolithic construction. 15. A narrow band x-ray filter comprising: a substrate; and a sheaf of one or more reflection units stacked upon each other on the substrate, each reflection unit including a rack and a reflector held by the rack; each rack including at least two rails, a cross-section of each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail, each of said at least two rails having a first end and a second end spaced apart along the longitudinal axis of the corresponding rail; each first step portion including a first mounting surface upon which the respective reflector is disposed; each second step portion including a second mounting surface; and said at least two rails of each rack being spaced apart and oriented with respect to each other so that the longitudinal axes thereof intersect. 16. The filter of claim 1, wherein each reflector includes: a base layer; and a stack of one or more mirrors, each mirror including a heavy Z metal layer, and a layer of carbon on the metal layer. 17. The filter of claim 16, wherein the heavy Z metal includes at least one of gold, platinum and iridium. 18. The filter of claim 16, wherein each stack includes 2-200 mirrors. 19. The filter of claim 15, wherein the filter further includes a top member on the sheaf. 20. The filter of claim 15, wherein the sheaf includes between 2 and 300 reflection units. 21. An apparatus, to produce a substantially narrow band x-ray beam, comprising: a source of a first x-ray beam; and a narrow band x-ray filter, as in claim 15, having a first end, a second end and a focal point located nearer to the first end than to the second end, the source being disposed substantially at the focal point such that a substantially narrow band x-ray beam emanates from the second end of the filter, and a cross-section of the narrow band x-ray beam corresponding to at least a majority of the cross-section of the first x-ray beam. 22. A method of making a narrow band x-ray filter, the method comprising: providing a substrate; and stacking one or more reflection units in succession upon the substrate, each reflection unit including a rack and a reflector to be held by the rack; the step of stacking, for each reflection unit, including the following, disposing the respective rack on a respective underlying structure, and disposing the reflector on the rack; each rack including at least two rails, in cross-section each rail including at least first and second step portions, each said cross-section being taken perpendicular to a longitudinal axis of the corresponding rail, each of said at least two rails having a first end and a second end spaced apart along the longitudinal axis of the corresponding rail; each first step portion including a first mounting surface upon which the respective reflector is disposed; each second step portion including a second mounting surface which can support a rail of another rack disposable thereon; and said at least two rails of each rack being spaced apart and oriented with respect to each other so that the longitudinal axes thereof intersect. 23. The method of claim 22, further comprising: mechanically connecting the one or more successively-stacked reflection units to the substrate so as to form a sheaf of reflection units.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (2)
Wilkins Stephen W. (Victoria AUX), Instrumentation for conditioning X-ray or neutron beams.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.