Electromagnetic radiation attenuating and scattering member with improved thermal stability
First Claim
1. A radiation attenuating and scattering reference member with improved thermal stability comprising:
- one, or more than one partially or totally radiation attenuating element comprising at least one aperture for transmission of radiation therethrough, and one, or more than one radiation scattering element, wherein said radiation attenuating and scattering elements are placed in series so that radiation transmitted through said reference member passes through each of said attenuating and scattering elements.
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Abstract
The present invention provides a thermally stable reference member comprising, at least one radiation attenuating element and at least one radiation scattering element. The radiation attenuating element comprising at least one aperture for transmission of radiation therethrough. The attenuating and scattering elements placed in series so that radiation transmitted through the reference member passes through each of the attenuating and scattering elements. The attenuating and scattering elements of the reference member may further comprise a thermally stable mount to hold the elements in a selected position relative to each other, and in relation to an instrument, or the elements may be bonded together. The radiation attenuating element may be comprised of a material selected from the group consisting of I
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Citations
26 Claims
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1. A radiation attenuating and scattering reference member with improved thermal stability comprising:
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one, or more than one partially or totally radiation attenuating element comprising at least one aperture for transmission of radiation therethrough, and one, or more than one radiation scattering element, wherein said radiation attenuating and scattering elements are placed in series so that radiation transmitted through said reference member passes through each of said attenuating and scattering elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 23, 24, 25, 26)
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14. A reference member comprising one, or more than one radiation attenuating element made from I
NVAR , adjacent to and in series with, at least one thermally stable scattering element made from ZERODUR.
- 18. A radiation attenuating and scattering reference member with improved thermal stability comprising, a radiation attenuating-scattering element comprising a first, and a second surface, wherein a portion of said radiation attenuating-scattering element is opaque to electromagnetic radiation and comprises one, or more than one aperture for transmission of radiation there through, and wherein said second surface is modified to scatter electromagnetic radiation.
Specification