Binderless storage phosphor screen comprising a support including an amorphous (a-C) carbon layer

1. A method for exposing an object to X-rays comprising the steps of:

providing an X-ray machine including an X-ray tube equipped for emitting X-rays with an energy lower than or equal to 70 keV and a phototimer coupled to said X-ray tube for switching said tube on and off in accordance with an X-ray dose in the range from 0.75 up to 0.85 mR reaching said phototimer,

placing an object between said X-ray tube and said phototimer,

placing a cassette with a binderless storage phosphor panel or screen between said object and said phototimer and

activating said X-ray tube for exposing said object, said cassette and said phototimer until said phototimer switches said X-ray tube off, wherein said binderless storage phosphor panel comprises a vacuum deposited phosphor layer ( 1 ) on a support ( 2 ), and wherein said support includes a layer of amorphous carbon ( 23 ) having a thickness between 500 μm and 2000 μm.

2. Method according to claim 1 , wherein said support further includes a reflective auxiliary aluminum layer ( 22 ) with a thickness between 0.2 μm and 200 μm.

3. Method according to claim 2 , wherein said support further includes a protective auxiliary layer ( 21 ) between said reflective auxiliary layer and said phosphor layer.

4. Method according to claim 3 , wherein said protective auxiliary layer ( 21 ) is a layer of parylene wherein said parylene is selected from the group consisting of parylene C, parylene D and parylene HT.

5. Method according to claim 4 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

6. Method according to claim 5 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

7. Method according to claim 4 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

8. Method according to claim 3 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

9. Method according to claim 8 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

10. Method according to claim 3 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

11. Method according to claim 2 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

12. Method according to claim 11 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

13. Method according to claim 2 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

14. Method according to claim 1 , wherein said support further includes a protective auxiliary layer ( 21 ) between said reflective auxiliary layer and said phosphor layer.

15. Method according to claim 14 , wherein said protective auxiliary layer ( 21 ) is a layer of parylene wherein said parylene is selected from the group consisting of parylene C, parylene D and parylene HT.

16. Method according to claim 15 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

17. Method according to claim 16 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

18. Method according to claim 15 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

19. Method according to claim 14 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

20. Method according to claim 19 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

21. Method according to claim 14 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

22. Method according to claim 1 , wherein said phosphor layer comprises a needle shaped CsX:Eu phosphor, wherein X represents a halide selected from the group consisting of Br and Cl.

23. Method according to claim 22 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

24. Method according to claim 1 , wherein said support further includes a polymeric auxiliary layer ( 24 ) farther away from said phosphor layer than said layer of amorphous carbon.

25. Method according to claim 1 , wherein said method is a mammographic application method.