WO2015140796A1 - Using focused converging x-rays for imaging - Google Patents

Using focused converging x-rays for imaging Download PDF

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Publication number
WO2015140796A1
WO2015140796A1 PCT/IL2015/050281 IL2015050281W WO2015140796A1 WO 2015140796 A1 WO2015140796 A1 WO 2015140796A1 IL 2015050281 W IL2015050281 W IL 2015050281W WO 2015140796 A1 WO2015140796 A1 WO 2015140796A1
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WO
WIPO (PCT)
Prior art keywords
imaging
converging
rays
rings
ray system
Prior art date
Application number
PCT/IL2015/050281
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French (fr)
Inventor
Aharon Bar-David
Zeev Burshtein
Avigail KELLER
Zeev Harel
Original Assignee
Convergent R.N.R Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Convergent R.N.R Ltd filed Critical Convergent R.N.R Ltd
Publication of WO2015140796A1 publication Critical patent/WO2015140796A1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/30Accessories, mechanical or electrical features
    • G01N2223/316Accessories, mechanical or electrical features collimators
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/06Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diffraction, refraction or reflection, e.g. monochromators
    • G21K1/067Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diffraction, refraction or reflection, e.g. monochromators using surface reflection, e.g. grazing incidence mirrors, gratings

Definitions

  • Imaging equipment of today utilize X-ray imaging in existing medical equipment for example Ordinary X-ray pictures, all types of tomography such as CT and similar, equipment related to nuclear Cameras and more.
  • the present invention shows an additional way to utilize converging X-rays.
  • the present invention suggests the said converging X-rays to be used for different ways and types of imaging using linear scanning as well as rotational scanning.
  • the innovation of this type of imaging is mainly the improved quality of small volume imaging with the ability of magnification and obtaining detailed information on the structure of the VOI.
  • It is hence one object of the invention to disclose an X-ray system arranged for utilizing converging X-rays for imaging comprising an X-ray source, a focusing lens system and a Detection system. It is a core purpose of the invention to provide 2 dimensional and 3 dimensional data for the imaging of a target located along the X-ray path.
  • Another object of this disclosure is to disclose the abovementioned invention wherein the said imaged target is located at the focal plane of the converging X-rays where the beam width is the smallest on its path between source and detection system.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the said imaged target has smaller dimensions than the beam waist at the focal location.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system yields a magnified image of the target located in the volume of interest.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is rotated around the target while collecting data.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along a linear direction in the longitudinal direction along the optical path while collecting data.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along a linear direction in the transversal direction relative to the optical path while collecting data.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along any linear direction in 3 dimensional space relative to the optical path while collecting data.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along any arbitrary direction in 3 dimensional space relative to the optical path while collecting data.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the imaging system consists of a converging lens comprising of reflecting rings made of reflecting surface of various types.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of elements selected from the group consisting of a single crystal, a mosaic single crystal, a Highly Oriented Pyrolitic Graphite (HOPG), a multilayer structure, a tiled single crystal element, and any combination thereof.
  • the reflecting surfaces consist of elements selected from the group consisting of a single crystal, a mosaic single crystal, a Highly Oriented Pyrolitic Graphite (HOPG), a multilayer structure, a tiled single crystal element, and any combination thereof.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of a continuous bent surface.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of a tiled surface comprising tiles located along the circumference of the rings, tiles located along the longitudinal direction in the optical axis direction and any combination thereof.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consist of rings with tiled surfaces, rings with continuous surfaces and any combination thereof.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of rings with various sizes, various radii, various width and various thicknesses.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one conical rings.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one barrel shaped and partial barrel shaped rings.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one part of a ring.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one part of a ring rotated around the optical axis.
  • a further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of part of rings, complete rings, conical rings, barrel shaped rings and any combination thereof.
  • Fig. 1 is a schematic diagram of an X-ray converging system
  • Figs. 2A-2H is a collection of schematic diagrams showing various types of rings and various methods of assembling them to form a lens.
  • Fig. 3 shows a schematic diagram of the principal operation of a conventional Computerized tomography (CT).
  • CT Computerized tomography
  • Fig. 4 shows a schematic diagram of a CT that uses a converging X-ray system with
  • Fig. 5 shows a schematic diagram of a converging X-ray system with the ability of other types of movements and scanning in linear directions in addition to rotational movement.
  • FIG. 1 illustrating a basic structure of a converging X-ray system.
  • An X-ray source 1 emitting ordinary diverging X-rays 2 is entering a converging lens system 3 which emits an output of converging X-rays 4 that converges to a point 5 located on the focal plane 6 having a waist with finite size described by the arrows 7. Beyond the focal location further away after the beam passes the focal location 5 it diverges 8.
  • the optical axis is shown as 9.
  • FIGs. 2A - 2H illustrating a reflecting ring (Fig.2A) with continuous reflecting surface 101, a reflecting ring (Fig.2B) with reflecting surface consisting of tiles (102), concentric ring assembly (Fig.2C), collinear ring assembly of the same radii (Fig.2e), collinear ring assembly of different radii (Fig.2E), A combination of concentric and collinear ring assembly (Fig.2d), a conical ring (Fig.2G) and a part of a ring (Fig.2H) that may be rotated (201) to form a converging ray similar to a complete ring.
  • FIG. 3 Illustrating an ordinary existing CT machine with X-ray source la emitting a fan or cone beam 4a passing through a patient 11 where data is collected at the detector array 10a.
  • the CT Gantry is rotated 13a around the patient for imaging.
  • Fig. 4 illustrating a CT system utilizing a converging X-ray system.
  • the X-ray source 1 emitting radiation via the converging lens system 3, which emits an output of converging X-rays 4 that enters the patient 11 and is adjusted to converge to a focal point inside the patient body at a small target 12 and comes out of the patient body 8 diverging and hitting the detector array 10.
  • Data from the detector system enables to magnify 12a the small target 12 giving better image with finer details.
  • Fig. 5 illustrating a converging system with examples of additional movement in directions linear and any arbitrary directions. This gives additional data for additional possibilities of imaging and analyzing information from the target volume.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

An X-ray system is arranged for Imaging using converging X-rays that is produced by a converging device, for example an X-ray lens, that converges the X-rays towards a focusing point. The purpose of the system is to image a small volume at the target location with improved quality and the ability to magnify the image and obtaining additional information.

Description

USING FOCUSED CONVERGING X RAYS FOR IMAGING
FIELD OF THE INVENTION
The use of converging X-rays for imaging, Thus imaging of a small volume with improved quality and the ability to magnify the image of the said small volume. Additionally it is possible to obtain more information on the structure of the volume of interest (VOI) by scanning rotationally and linearly along the optical axis. The system is also based on the ability of using monochromatic X-rays of various energies.
BACKGROUND OF THE INVENTION
Imaging equipment of today utilize X-ray imaging in existing medical equipment for example Ordinary X-ray pictures, all types of tomography such as CT and similar, equipment related to nuclear Cameras and more.
Today's existing X-ray equipment use X-ray sources that generate diverging beams. In cases where a narrow beam is needed, the technique to narrow the beam size is done by means of collimation that blocks and cut the beam to leave a thin portion of the beam.
In patents No US2013/0170625 Al, US 6389100 Bl, US 6625250 B2 PCT/IL2013/050739 it is shown how to make various types of converging X-rays and that converging X-rays can be utilized for Radiotherapy and Radiosurgery. Converging X-rays for medical use was mentioned By Smither et al in patents No US 7468516 B2 and US 205/0175148 Al.
The present invention shows an additional way to utilize converging X-rays. The present invention suggests the said converging X-rays to be used for different ways and types of imaging using linear scanning as well as rotational scanning. The innovation of this type of imaging is mainly the improved quality of small volume imaging with the ability of magnification and obtaining detailed information on the structure of the VOI.
Additional advantage of using convergent X-rays is by the use of close to monochromatic X- rays, thus increasing contrast. SUMMARY OF THE I VENTION
It is hence one object of the invention to disclose an X-ray system arranged for utilizing converging X-rays for imaging comprising an X-ray source, a focusing lens system and a Detection system. It is a core purpose of the invention to provide 2 dimensional and 3 dimensional data for the imaging of a target located along the X-ray path.
Another object of this disclosure is to disclose the abovementioned invention wherein the said imaged target is located at the focal plane of the converging X-rays where the beam width is the smallest on its path between source and detection system.
A further object of this disclosure is to disclose the abovementioned invention wherein the said imaged target has smaller dimensions than the beam waist at the focal location.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system yields a magnified image of the target located in the volume of interest.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is rotated around the target while collecting data.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along a linear direction in the longitudinal direction along the optical path while collecting data.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along a linear direction in the transversal direction relative to the optical path while collecting data.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along any linear direction in 3 dimensional space relative to the optical path while collecting data.
A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system is moved along any arbitrary direction in 3 dimensional space relative to the optical path while collecting data. A further object of this disclosure is to disclose the abovementioned invention wherein the imaging system consists of a converging lens comprising of reflecting rings made of reflecting surface of various types.
A further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of elements selected from the group consisting of a single crystal, a mosaic single crystal, a Highly Oriented Pyrolitic Graphite (HOPG), a multilayer structure, a tiled single crystal element, and any combination thereof.
A further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of a continuous bent surface.
A further object of this disclosure is to disclose the abovementioned invention wherein the reflecting surfaces consist of a tiled surface comprising tiles located along the circumference of the rings, tiles located along the longitudinal direction in the optical axis direction and any combination thereof.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consist of rings with tiled surfaces, rings with continuous surfaces and any combination thereof. A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of rings with various sizes, various radii, various width and various thicknesses.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one conical rings.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one barrel shaped and partial barrel shaped rings.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one part of a ring. A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of at least one part of a ring rotated around the optical axis.
A further object of this disclosure is to disclose the abovementioned invention wherein the lens consists of part of rings, complete rings, conical rings, barrel shaped rings and any combination thereof.
BRIEF DESCRIPTION OF THE DRAWINGS
In order to understand the invention and to see how it may be implemented in practice, a plurality of embodiments is adapted to now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which
Fig. 1 is a schematic diagram of an X-ray converging system
Figs. 2A-2H is a collection of schematic diagrams showing various types of rings and various methods of assembling them to form a lens.
Fig. 3 shows a schematic diagram of the principal operation of a conventional Computerized tomography (CT).
Fig. 4 shows a schematic diagram of a CT that uses a converging X-ray system with
demonstrated magnification of a small target.
Fig. 5 shows a schematic diagram of a converging X-ray system with the ability of other types of movements and scanning in linear directions in addition to rotational movement.
DETAILED DESCRD7TION OF THE INVENTION
The following description is provided, alongside all chapters of the present invention, so as to enable any person skilled in the art to make use of the said invention, and sets forth the best modes contemplated by the inventor of carrying out this invention. Various modifications, however, are adapted to remain apparent to those skilled in the art, since the generic principles of the present invention have been defined specifically to provide an X-ray system arranged for imaging a defined target volume using a converging X-ray system.
Reference is now made to Fig. 1, illustrating a basic structure of a converging X-ray system. An X-ray source 1 emitting ordinary diverging X-rays 2 is entering a converging lens system 3 which emits an output of converging X-rays 4 that converges to a point 5 located on the focal plane 6 having a waist with finite size described by the arrows 7. Beyond the focal location further away after the beam passes the focal location 5 it diverges 8. The optical axis is shown as 9.
Reference is now made to Figs. 2A - 2H, illustrating a reflecting ring (Fig.2A) with continuous reflecting surface 101, a reflecting ring (Fig.2B) with reflecting surface consisting of tiles (102), concentric ring assembly (Fig.2C), collinear ring assembly of the same radii (Fig.2e), collinear ring assembly of different radii (Fig.2E), A combination of concentric and collinear ring assembly (Fig.2d), a conical ring (Fig.2G) and a part of a ring (Fig.2H) that may be rotated (201) to form a converging ray similar to a complete ring.
Reference is now made to Fig. 3, Illustrating an ordinary existing CT machine with X-ray source la emitting a fan or cone beam 4a passing through a patient 11 where data is collected at the detector array 10a. The CT Gantry is rotated 13a around the patient for imaging. This figure is mentioned only for the purpose of reference to be compared to with the present invention to illustrate in a clear way the difference and innovation of the present invention.
Reference is now made to Fig. 4, illustrating a CT system utilizing a converging X-ray system. The X-ray source 1 emitting radiation via the converging lens system 3, which emits an output of converging X-rays 4 that enters the patient 11 and is adjusted to converge to a focal point inside the patient body at a small target 12 and comes out of the patient body 8 diverging and hitting the detector array 10. Data from the detector system enables to magnify 12a the small target 12 giving better image with finer details.
Reference is now made to Fig. 5 illustrating a converging system with examples of additional movement in directions linear and any arbitrary directions. This gives additional data for additional possibilities of imaging and analyzing information from the target volume.

Claims

1. An X-ray system arranged for utilizing converging X-rays for imaging comprising an X- ray source, a focusing lens system and a Detection system. It is a core purpose of the invention to provide 2 dimensional and 3 dimensional data for the imaging of a target located along the X-ray path.
2. An X-ray system arranged for Imaging comprising of:
a. X-ray source.
b. Converging lens system.
c. Detector system.
Wherein this system is utilized in varius types of imaging systems to image a defined target located at a defined volume in a body of examination.
3. The X-ray system according to claim 2, wherein the said imaged target is located at the focal plane of the converging X-rays where the beam width is the smallest on its path between source and detection system.
4. The X-ray system according to claim 2 wherein the said imaged target has smaller
dimensions than the beam waist at the focal location.
5. The X-ray system according to claim 2 wherein the imaging system yields a magnified image of the target located in the volume of interest.
6. The X-ray system according to claim 2 wherein the imaging system is rotated around the target while collecting data.
7. The X-ray system according to claim 2 wherein the imaging system is moved along a linear direction in the longitudinal direction along the optical path while collecting data.
8. The X-ray system according to claim 2 wherein the imaging system is moved along a linear direction in the transversal direction relative to the optical path while collecting data.
9. The X-ray system according to claim 2 wherein the imaging system is moved along any linear direction in 3 dimensional space relative to the optical path while collecting data.
10. The X-ray system according to claim 2 wherein the imaging system is moved along any arbitrary direction in 3 dimensional space relative to the optical path while collecting data.
11. The X-ray system according to claim 2 wherein the imaging system consists of a converging lens comprising of at least one reflecting ring made of reflecting surface of various types.
12. The X-ray system according to claim 2 wherein the reflecting surfaces consist of
elements selected from the group consisting of a single crystal, a mosaic single crystal, a Highly Oriented Pyrolitic Graphite (HOPG), a multilayer structure, a tiled single crystal element, and any combination thereof.
13. The X-ray system according to claim 2 wherein the reflecting surfaces consist of a continuous bent surface.
14. The X-ray system according to claim 2 wherein the reflecting surfaces consist of a tiled surface comprising tiles located along the circumference of the rings, tiles located along the longitudinal direction in the optical axis direction and any combination thereof.
15. The X-ray system according to claim 2 wherein the lens consist of rings with tiled
surfaces, rings with continuous surfaces and any combination thereof.
16. The X-ray system according to claim 2 wherein the lens consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
17. The X-ray system according to claim 2 wherein the lens consists of rings with various sizes, various radii, various width and various thicknesses.
18. The X-ray system according to claim 2 wherein the lens consists of at least one conical rings.
19. The X-ray system according to claim 2 wherein the lens consists of at least one barrel shaped and partial barrel shaped rings.
20. The X-ray system according to claim 2 wherein the lens consists of at least one part of a ring.
21. The X-ray system according to claim 2 wherein the lens consists of at least one part of a ring rotated around the optical axis.
22. The X-ray system according to claim 2 wherein the lens consists of part of rings,
complete rings, conical rings, barrel shaped rings and any combination thereof.
23. A method of providing the use of converging X-rays for imaging, wherein the said imaged target is located at the focal plane of the converging X-rays where the beam width is the smallest on its path between source and detection system.
24. A method of providing the use of converging X-rays for imaging wherein the said imaged target has smaller dimensions than the beam waist at the focal location.
25. A method of providing the use of converging X-rays for imaging wherein the imaging system yields a magnified image of the target located in the volume of interest.
26. A method of providing the use of converging X-rays for imaging wherein the imaging system is rotated around the target while collecting data.
27. A method of providing the use of converging X-rays for imaging wherein the imaging system is moved along a linear direction in the longitudinal direction along the optical path while collecting data.
28. A method of providing the use of converging X-rays for imaging wherein the imaging system is moved along a linear direction in the transversal direction relative to the optical path while collecting data.
29. A method of providing the use of converging X-rays for imaging wherein the imaging system is moved along any linear direction in 3 dimensional space relative to the optical path while collecting data.
30. A method of providing the use of converging X-rays for imaging wherein the imaging system is moved along any arbitrary direction in 3 dimensional space relative to the optical path while collecting data.
31. A method of providing the use of converging X-rays for imaging wherein the imaging system consists of at least one converging lens comprising of reflecting rings made of reflecting surface of various types.
32. A method of providing the use of converging X-rays for imaging wherein the reflecting surfaces consist of elements selected from the group consisting of a single crystal, a mosaic single crystal, a Highly Oriented Pyrolitic Graphite (HOPG), a multilayer structure, a tiled single crystal element, and any combination thereof.
33. A method of providing the use of converging X-rays for imaging wherein the reflecting surfaces consist of a continuous bent surface.
34. A method of providing the use of converging X-rays for imaging wherein the reflecting surfaces consist of a tiled surface comprising tiles located along the circumference of the rings, tiles located along the longitudinal direction in the optical axis direction and any combination thereof.
35. A method of providing the use of converging X-rays for imaging wherein the lens consist of rings with tiled surfaces, rings with continuous surfaces and any combination thereof.
36. A method of providing the use of converging X-rays for imaging wherein the lens
consists of at least one ring where rings are assembled in concentric structures or collinear structures located at various places along the optical axis and any combination thereof.
37. A method of providing the use of converging X-rays for imaging wherein the lens
consists of rings with various sizes, various radii, various width and various thicknesses.
38. A method of providing the use of converging X-rays for imaging wherein the lens
consists of at least conical rings.
39. A method of providing the use of converging X-rays for imaging wherein the lens
consists of at least one barrel shaped or partial barrel shaped rings.
40. The X-ray system according to claim 2 wherein the lens consists of at least one part of a ring.
41. The X-ray system according to claim 2 wherein the lens consists of at least one part of a ring rotated around the optical axis.
42. The X-ray system according to claim 2 wherein the lens consists of part of rings,
complete rings, conical rings, barrel shaped rings and any combination.
PCT/IL2015/050281 2014-03-17 2015-03-16 Using focused converging x-rays for imaging WO2015140796A1 (en)

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US201461953946P 2014-03-17 2014-03-17
US61/953,946 2014-03-17

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853617A (en) * 1955-01-27 1958-09-23 California Inst Res Found Focusing crystal for x-rays and method of manufacture
US3898455A (en) * 1973-11-12 1975-08-05 Jr Thomas C Furnas X-ray monochromatic and focusing system
US4461018A (en) * 1982-06-07 1984-07-17 The United States Of America As Represented By The United States Department Of Energy Diffraction crystal for sagittally focusing x-rays
WO2000062306A2 (en) * 1999-04-09 2000-10-19 Osmic, Inc. X-ray lens system
US6325537B1 (en) * 1998-10-16 2001-12-04 Kabushiki Kaisha Toshiba X-ray diagnosis apparatus
US20050025281A1 (en) * 2003-06-13 2005-02-03 Boris Verman Beam conditioning system
US8068579B1 (en) * 2008-04-09 2011-11-29 Xradia, Inc. Process for examining mineral samples with X-ray microscope and projection systems

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853617A (en) * 1955-01-27 1958-09-23 California Inst Res Found Focusing crystal for x-rays and method of manufacture
US3898455A (en) * 1973-11-12 1975-08-05 Jr Thomas C Furnas X-ray monochromatic and focusing system
US4461018A (en) * 1982-06-07 1984-07-17 The United States Of America As Represented By The United States Department Of Energy Diffraction crystal for sagittally focusing x-rays
US6325537B1 (en) * 1998-10-16 2001-12-04 Kabushiki Kaisha Toshiba X-ray diagnosis apparatus
WO2000062306A2 (en) * 1999-04-09 2000-10-19 Osmic, Inc. X-ray lens system
US20050025281A1 (en) * 2003-06-13 2005-02-03 Boris Verman Beam conditioning system
US8068579B1 (en) * 2008-04-09 2011-11-29 Xradia, Inc. Process for examining mineral samples with X-ray microscope and projection systems

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