X-ray imaging panel with thermally-sensitive adhesive and methods of making thereof
View Patent ↗Provided herein are laminated devices including an extruded scintillation screen comprising a scintillator material that does not attract dust, and a thermally-sensitive elastomer binder; and a fiber optic plate. Also provided herein are methods of making a laminated device and methods of making an X-ray imaging panel.
1. A laminated device comprising:
a melt extruded scintillation screen that does not attract dust through adhesion at room temperature comprising a scintillator material and a thermally-sensitive elastomer binder; and
a fiber optic plate or at least one photodetector.
2. The laminated device of claim 1 , wherein the thermally-sensitive elastomer binder comprises a thermoplastic polyolefin.
3. The laminated device of claim 2 , wherein the thermoplastic polyolefin is selected from the group consisting of high density polyethylene (HDPE), low density polyethylene (LDPE), medium density polyethylene (MDPE), linear low density polyethylene (LLDPE), very low density polyethylene (VLDPE), and combinations thereof.
4. The laminated device of claim 1 , wherein a first surface of the melt extruded scintillation screen is in continuous contact with the fiber optic plate or the at least one photodetector, and at least one second surface away from the fiber optic plate or the at least one photodetector does not attract dust through adhesion at room temperature.
5. The laminated device of claim 1 , wherein the thermally-sensitive elastomer binder is present in the scintillator screen in an amount ranging from about 1% by volume to about 99% by volume relative to the total volume of the scintillator screen.
6. The laminated device of claim 1 , wherein the thermally-sensitive elastomer binder is present in the scintillator screen in an amount ranging from about 20% by volume to about 80% by volume, relative to the total volume of the scintillator screen.
7. The laminated device of claim 1 , wherein the scintillator material comprises at least one phosphor selected from the group consisting of Y 2 SiO 5 :Ce; Y 2 Si 2 O 7 :Ce; LuAlO 3 :Ce; Lu 2 SiO 5 :Ce; Gd 2 SiO 5 :Ce; YAlO 3 :Ce; ZnO:Ga; CdWO 4 ; LuPO 4 :Ce; PbWO 4 ; Bi 4 Ge 3 O 12 ; CaWO 4 ; GdO 2 S:Tb, GdO 2 S:Pr; RE 3 Al5O 12 :Ce, and combinations thereof, wherein RE is at least one rare earth metal.
8. The laminated device of claim 1 , wherein the scintillator material is present in the scintillation screen in an amount ranging from about 50% by volume to about 99% by volume, relative to the total volume of the scintillation screen.
9. A method of making a laminated device comprising:
melt extruding a scintillator screen that does not attract dust by melt extruding the scintillator screen comprising a scintillator material and a thermally-sensitive elastomer binder, wherein the thermally-sensitive elastomer binder comprises a thermoplastic polyolefin; and
laminating the scintillator screen to a fiber optic plate or at least one photodetector.
10. The method of making a laminated device according to claim 9 , wherein the thermoplastic polyolefin is selected from the group consisting of high density polyethylene (HDPE), low density polyethylene (LDPE), medium density polyethylene (MDPE), linear low density polyethylene (LLDPE), very low density polyethylene (VLDPE), and combinations thereof.
11. The method of making a laminated device according to claim 9 , wherein the thermally-sensitive elastomer binder comprises low density polyethylene (LDPE).
12. The method of making a laminated device according to claim 9 , wherein the thermally-sensitive elastomer binder is present in the scintillation screen in an amount ranging from about 1% by volume to about 99% by volume relative to the total volume of the scintillation screen, or wherein the thermally-sensitive elastomer binder is present in the scintillation screen in an amount ranging from about 20% by volume to about 80% by volume, relative to the total volume of the scintillation screen.
13. The method of making a laminated device according to claim 9 , wherein the scintillation screen does not attract dust at room temperature.
14. The method of making a laminated device according to claim 9 , wherein the scintillator material is present in the scintillation screen in an amount ranging from about 50% by volume to about 99% by volume, relative to the total volume of the scintillation screen.
15. A method of making an X-ray imaging panel comprising:
injection molding a scintillator screen that does not attract dust through adhesion at room temperature by injection molding thermoplastic particles comprising a scintillator material and a thermally-sensitive elastomer binder;
laminating the injection molded scintillator screen to a fiber optic plate or at least one photodetector to form a laminated device; and
coupling the fiber optic plate to at least one photodetector sensor.
16. The method of making an X-ray imaging panel according to claim 15 , wherein the thermally-sensitive elastomer binder comprises a thermoplastic polyolefin.
17. The method of making an X-ray imaging panel according to claim 16 , wherein the thermoplastic polyolefin is selected from the group consisting of high density poly low density polyethylene (LDPE), medium density polyethylene (MDPE), linear low density polyethylene (LLDPE), very low density polyethylene (VLDPE), and combinations thereof.
18. The method of making an X-ray imaging panel according to claim 15 , wherein the thermally-sensitive elastomer binder comprises low density polyethylene (LDPE).
19. The method of making an X-ray imaging panel according to claim 15 , wherein the thermally-sensitive elastomer binder is present in the scintillation screen in an amount ranging from about 1% by volume to about 99% by volume relative to the total volume of the scintillation screen.
20. A laminated device comprising:
an injection molded extruded scintillation screen that does not attract dust through adhesion at room temperature comprising a scintillator material and a thermally-sensitive elastomer binder; and
a fiber optic plate or at least one photodetector attached to the injection molded extruded scintillation screen, where a first surface of the injection molded extruded scintillation screen is in continuous contact with the fiber optic plate or the at least one photodetector, and at least one second surface away from the fiber optic plate or the at least one photodetector does not attract dust through adhesion at room temperature.