Digital radiography panel with pressure-sensitive adhesive for optical coupling between scintillator screen and detector and method of manufacture
First Claim
Patent Images
1. A digital radiography panel comprising:
- a scintillator screen having a light-exiting surface from a material with a first index of refraction n1;
a photosensor array having a light-accepting surface from a material with a second index of refraction n2; and
a dry form pressure-sensitive adhesive to adhere to opposing dissimilar surfaces without further activation to bond the light-exiting layer of the scintillator screen to the light-accepting layer of the photosensor array and having a third index of refraction that has a value nPSA that either lies in the range between n1 and n2, or substantially matches n1 or n2, or both.
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Abstract
A digital radiography panel has a scintillator screen having a light-exiting surface from a material with a first index of refraction n1 and a photosensor array having a light-accepting surface from a material with a second index of refraction n2. A pressure-sensitive adhesive couples the light-exiting surface of the scintillator screen to the light-accepting surface of the photosensor array and has a third index of refraction that has a value nPSA that either lies in the range between n1 and n2, or substantially matches n1 or n2, or both.
30 Citations
22 Claims
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1. A digital radiography panel comprising:
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a scintillator screen having a light-exiting surface from a material with a first index of refraction n1; a photosensor array having a light-accepting surface from a material with a second index of refraction n2; and a dry form pressure-sensitive adhesive to adhere to opposing dissimilar surfaces without further activation to bond the light-exiting layer of the scintillator screen to the light-accepting layer of the photosensor array and having a third index of refraction that has a value nPSA that either lies in the range between n1 and n2, or substantially matches n1 or n2, or both. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of fabricating a digital radiography panel, comprising:
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providing a scintillator screen having a light-exiting surface from a material with a first index of refraction n1; providing a photosensor array having a light-accepting surface from a material with a second index of refraction n2; and applying a pressure-sensitive adhesive between the light-exiting surface and the light-accepting surface, wherein the scintillator screen is a first material scintillator screen including characterisitics for a first type of radiographic image and further comprising peeling the first material scintillator screen from the pressure-sensitive adhesive to remove the first material scintillator screen; and applying a second material scintillator screen onto the pressure-sensitive adhesive, wherein the second material scintillator screen includes characterisitics for a second different type of radiographic image than the first material scintillator screen. - View Dependent Claims (15, 16, 17)
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18. A method of fabricating a digital radiography panel, comprising steps of:
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providing a scintillator screen having a light-exiting surface from a material with a first index of refraction n1; providing a photosensor array having a light-accepting surface from a material with a second index of refraction n2; and applying a dry-form sheet pressure-sensitive adhesive between the light-exiting surface and the light-accepting surface after respectively removing a first release layer and a second release layer from opposite sides of the dry-form sheet pressure-sensitive adhesive. - View Dependent Claims (19, 20, 21, 22)
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Specification