1. A radiation detector that detects radiation in a first energy range and radiation in a second energy range, comprising:
a first photo detector having a first scintillator layer extending along a first direction, a first photo-detecting device extending along the first direction, and a first substrate provided with the first photo-detecting device, for detecting radiation in the first energy range; and
a second photo detector having a second scintillator layer extending along the first direction, a second photo-detecting device extending along the first direction, and a second substrate provided with the second photo-detecting device, for detecting radiation in the second energy range, wherein
direction of extension of the first substrate and direction of extension of the second substrate are identical to each other,
in the direction of extension of the first substrate, one edge portion of the first substrate is located outside further than one edge portion of the second substrate, and
in the direction of extension of the second substrate, the other edge portion of the second substrate is located outside further than the other edge portion of the first substrate.
2. The radiation detector according to claim 1, further comprising a mechanism having a front step portion formed with an opening and having a rear step portion, wherein
the first substrate of the first photo detector is fixed to the front step portion of the mechanism, and
the second substrate of the second photo detector is fixed to the rear step portion of the mechanism.
3. The radiation detector according to claim 2, wherein
the first photo detector and the second photo detector are interposed between the front step portion and the rear step portion of the mechanism.
4. A radiation detector that detects radiation in a first energy range and radiation in a second energy range, comprising:
a first photo detector having a first scintillator layer extending along a first direction and a first photo-detecting device extending along the first direction, for detecting radiation in the first energy range; and
a second photo detector having a second scintillator layer extending along the first direction and a second photo-detecting device extending along the first direction and having a plurality of second photo-detecting sections, for detecting radiation in the second energy range, wherein
the second scintillator layer has a plurality of scintillator portions disposed so as to oppose each of the second photo-detecting sections, and a reflection layer provided so as to separate the scintillator portions from one another, and
the first scintillator layer has a length in a direction perpendicular to the first direction longer than that of the scintillator portions in a direction perpendicular to the first direction.
5. The radiation detector according to claim 4, wherein
the first scintillator layer and the second scintillator layer are brought in contact with each other via the reflection layer so as to slid in contact.
6. A radiation detector that detects radiation, comprising:
a photo detector having a scintillator layer extending along a first direction and a photo-detecting device extending along the first direction, for detecting radiation;
a mechanism having an opening for directing radiation to the photo detector; and
a slit structure being supported by the mechanism and having a slit portion extending along the first direction, wherein
the slit structure has a plate-like member having a wall portion protruding therefrom in a second direction perpendicular to the first direction, and
the wall portion is disposed inside the opening of the mechanism.
7. The radiation detector according to claim 6, wherein
in a direction perpendicular to the first direction, a width of the scintillator is wider than that of the slit portion.
8. The radiation detector according to claim 6, wherein
the photo detector includes a first photo detector for detecting radiation in the first energy range and a second photo detector for detecting radiation in the second energy range,
the scintillator layer includes a first scintillator layer extending along the first direction for the first photo detector and a second scintillator layer extending along the first direction for the second photo detector, and
the photo-detecting device includes a first photo-detecting device extending along the first direction for the first photo detector and a second photo-detecting device extending along the first direction for the second photo detector.
9. A radiation detector that detects radiation in a first energy range and radiation in a second energy range, comprising:
a first photo detector having a first scintillator layer extending along a first direction, a first photo-detecting device extending along the first direction, and a first substrate provided with the first photo-detecting device, for detecting radiation in the first energy range;
a second photo detector having a second scintillator layer extending along the first direction, a second photo-detecting device extending along the first direction, and a second substrate provided with the second photo-detecting device, for detecting radiation in the second energy range;
a mechanism having a front step portion, formed with an opening and having a rear step portion, wherein
the first substrate of the first photo detector is fixed to the front step portion of the mechanism,
the second substrate of the second photo detector is fixed to the rear step portion of the mechanism, and
the first photo detector and the second photo detector are interposed between the front step portion and the rear step portion of the mechanism.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for the treatment of eyelid dermatitis andor dermatitis of the periorbital area, which comprises applying to the eyelid andor periorbital area, respectively, of a subject in need of such treatment, an anti-inflammatory effective amount of a dermatological composition comprising loteprednol etabonate and a dermatologically acceptable carrier therefor.
2. The method according to claim 1, wherein said composition further comprises:
(a) a compound having the formula
wherein R is H or CH3 and the dotted line in ring A indicates that the 1,2-linking is saturated or unsaturated, the amount of the compound of formula (I) being sufficient to enhance the anti-inflammatory activity or duration of action, or both, of loteprednol etabonate; or
(b) a compound selected from the group consisting of hydrocortisone, corticosterone and 11-deoxycortisol, the amount of the compound selected from said group being itself subtherapeutic but sufficient to enhance the anti-inflammatory activity or duration of action, or both, of loteprednol etabonate.
3. The method according to claim 1, wherein said composition is applied to the eyelid only.
4. The method according to claim 2, wherein said composition is applied to the eyelid only.
5. The method according to claim 2, wherein said composition comprises cortienic acid, \u03941-cortienic acid, cortienic acid methyl ester or \u03941-cortienic acid methyl ester.
6. The method according to claim 2, wherein said composition comprises hydrocortisone, corticosterone or 11-deoxycortisol.
7. The method according to claim 2, wherein said composition comprises \u03941-cortienic acid or hydrocortisone.
8. The method according to claim 2, wherein said composition comprises \u03941-cortienic acid.
9. The method according to claim 4, wherein said composition comprises cortienic acid, \u03941-cortienic acid, cortienic acid methyl ester or \u03941-cortienic acid methyl ester.
10. The method according to claim 4, wherein said composition comprises hydrocortisone, corticosterone or 11-deoxycortisol.
11. The method according to claim 4, wherein said composition comprises \u03941-cortienic acid or hydrocortisone.
12. The method according to claim 4, wherein said composition comprises \u03941-cortienic acid.
13. The method according to claim 1, wherein said composition is in the form of an ointment, a cream, a gel, a cream gel or a lotion.
14. The method according to claim 2, wherein said composition is in the form of an ointment, a cream, a gel, a cream gel or a lotion.
15. The method according to claim 3, wherein said composition is in the form of an ointment, a cream, a gel, a cream gel or a lotion.
16. The method according to claim 4, wherein said composition is in the form of an ointment, a cream, a gel, a cream gel or a lotion.