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US 12,729,151 B2Granted
Glass for radiation and/or particle detectors
AssigneeSchott AG
InventorsJosef Rasp, Rainer Erwin Eichholz
Life of this patent
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Abstract
A glass has a transmittance at a reference thickness of 1.0 mm of at least 65.0% at a wavelength of 260 nm. An amount of ZrO2 in the glass is less than 150 ppm.
Claims10
A glass having a transmittance at a reference thickness of 1.0 mm of at least 65.0% at a wavelength of 260 nm, wherein an amount of ZrO2 in the glass is less than 150 ppm, wherein the glass comprises the following components in the indicated amounts (in cat %):
- Si4+
- 64-71
- cat %;
- Al3+
- 1.5-3
- cat %;
- B3+
- 2-4
- cat %;
- Li+
- 0-1
- cat %;
- Na+
- 12-16
- cat %;
- K+
- 10-13
- cat %;
- Mg2+
- 0-1
- cat %;
- Ca2+
- 0-1
- cat %;
- Sr2+
- 0-1
- cat %;
- Ba2+
- 1-3
- cat %;
- Sum of R+
- 22-30
- cat %;
- and
- Sum of R2+
- 1-4
- cat %,
- wherein R+ is the sum of all cations
- of all alkali metals in the glass and
- R2+ is the sum of all cations of all
- alkaline earth metals in the glass.
38 more elements
A radiation and/or particle detector, comprising:
- a glass having a transmittance at a reference thickness of 1.0 mm of at least 65.0% at a wavelength of 260 nm, wherein an amount of ZrO2 in the glass is less than 150 ppm, wherein the glass comprises the following components in the indicated amounts (in cat %):
- Si4+
- 64-71 cat %;
- Al3+
- 1.5-3 cat %;
- B3+
- 2-4 cat %;
- Li+
- 0-1 cat %;
- Na+
- 12-16 cat %;
- K+
- 10-13 cat %;
- Mg2+
- 0-1 cat %;
- Ca2+
- 0-1 cat %;
- Sr2+
- 0-1 cat %;
- Ba2+
- 1-3 cat %;
- Sum of R+
- 22-30 cat %;
- and
- Sum of R2+
- 1-4 cat %, wherein R+ is the sum of all
- cations of all alkali metals in the glass
- and R2+ is the sum of all cations of all
- alkaline earth metals in the glass.
26 more elements
Dependencies are inferred from the claim text.