Glass has a refractive index of 1.55 or more, and has, in an x-ray absorption fine structure (XAFS) analysis of platinum, a peak intensity ratio expressed by A.sub.max/A.sub.ave of 1.13 or more, where A.sub.max denotes a maximum value of a white line within an energy range of 13,270 eV to 13,290 eV, and A.sub.ave denotes an average absorption in an energy range of 13,290 eV to 13,390 eV.

The present disclosure provides a solidifying method of a radionuclide. The solidifying method of the radionuclide includes operations of: providing a low melting point glass including Bi.sub.2O.sub.3, B.sub.2O.sub.3, ZnO and SiO.sub.2; providing a glass mixture mixing a mixture to be treated containing a hydroxide of radionuclide and BaSO.sub.4 and the low melting point glass; and heating the glass mixture.

An X-ray sensing device includes a photosensitive element, lead-containing glass, and an X-ray conversion structure. The photosensitive element is configured to sense light having a first wavelength. The lead-containing glass overlaps the photosensitive element. The X-ray conversion structure is disposed on the lead-containing glass. The lead-containing glass is located between the photosensitive element and the X-ray conversion structure. The X-ray conversion structure is configured to at least partially convert X-rays into light having the first wavelength.

An X-ray sensing device includes a photosensitive element, lead-containing glass, and an X-ray conversion structure. The photosensitive element is configured to sense light having a first wavelength. The lead-containing glass overlaps the photosensitive element. The X-ray conversion structure is disposed on the lead-containing glass. The lead-containing glass is located between the photosensitive element and the X-ray conversion structure. The X-ray conversion structure is configured to at least partially convert X-rays into light having the first wavelength.

An X-ray and gamma-ray shielding glass, including the following components in weight-%: 10-35% SiO.sub.2; 60-70% PbO; 0-8% B.sub.2O.sub.3; 0-10% Al.sub.2O.sub.3; 0-10% Na.sub.2O; 0-10% K.sub.2O; 0-0.3% As.sub.2O.sub.3; 0-2% Sb.sub.2O.sub.3; 0-6% BaO; and 0.05-2% ZrO.sub.2.

A glass material that includes: from about 0.55 to about 0.85 mole fraction of SiO.sub.2; from about 0.01 to about 0.23 mole fraction of Na.sub.2O, K.sub.2O, or a combination of Na.sub.2O and K.sub.2O; from about 0.05 to about 0.28 mole fraction of: Y.sub.2O.sub.3, BaO, or a combination of Y.sub.2O.sub.3 and BaO; and optionally Ta.sub.2O.sub.5. In the glass material, the sum of the Y.sub.2O.sub.3, the BaO and the optional Ta.sub.2O.sub.5 is from about 0.10 to about 0.31 mole fraction. The glass material may be in the form of microspheres. The microspheres may be used for vascular embolization and/or radiologic imaging.

Radiation shielding glass articles with thin glass faceplates that improve transmission are disclosed. A radiation shielding glass article includes a radiation shielding glass having a first surface and an opposing second surface; and a first thin glass faceplate having a first surface and an opposing second surface, wherein one of said first surface or second surface of said first thin glass faceplate faces the first surface of the radiation shielding glass, wherein the first thin glass faceplate having a thickness of less than or equal to 1.0 mm is bonded to the first surface of the radiation shielding glass, and wherein the first thin glass faceplate is one of an alkaline boro-aluminosilicate glass, or a chemically strengthenable sodium aluminum silicate glass.

In a method of making pixelated scintillators, an amorphous scintillator material in a molten state is pressed into a plurality of cavities defined by a plurality of walls of a mesh array. The molten scintillator material in the plurality of cavities is cooled to form a pixelated scintillator array. An x-ray imager including a pixelated scintillator is also described.

Provided is an X-ray shielding glass having high shielding capability against X-rays with a tube voltage of 150 kV or less. The X-ray shielding glass has a composition including: 15 mass % to 25 mass % B.sub.2O.sub.3; 7 mass % to 50 mass % La.sub.2O.sub.3; 7 mass % to 50 mass % Gd.sub.2O.sub.3; 10 mass % to 25 mass % WO.sub.3; 0 mass % to 7 mass % SiO.sub.2; 0 mass % to 10 mass % ZrO.sub.2; 0 mass % to 8 mass % Nb.sub.2O.sub.5; 0 mass % to 10 mass % Ta.sub.2O.sub.5; 0 mass % to 5 mass % Bi.sub.2O.sub.3; 0 mass % to 3 mass % CeO.sub.2; and 0 mass % to 1 mass % Sb.sub.2O.sub.3, wherein the glass contains no ZnO, the total content of La.sub.2O.sub.3 and Gd.sub.2O.sub.3 is 45 mass % to 65 mass %, and when the thickness of the glass is 3 mm, the transmittance of the glass to an X-ray from an X-ray tube with a tube voltage of 60 kV is 0.0050% or less, and the transmittance of the glass to an X-ray from an X-ray tube with a tube voltage of 100 kV is 0.1500% or less.

The present disclosure provides a solidifying method of a radionuclide. The solidifying method of the radionuclide includes operations of: providing a low melting point glass including Bi.sub.2O.sub.3, B.sub.2O.sub.3, ZnO and SiO.sub.2; providing a glass mixture mixing a mixture to be treated containing a hydroxide of radionuclide and BaSO.sub.4 and the low melting point glass; and heating the glass mixture.