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US-11561516-B2 · Jan 24, 2023 · US
Ultraviolet detection material and ultraviolet detection device
US11733162B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11733162-B2 |
| Application number | US-202217591307-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 2, 2022 |
| Priority date | Feb 4, 2021 |
| Publication date | Aug 22, 2023 |
| Grant date | Aug 22, 2023 |
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Abstract
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An ultraviolet detection material includes a composite oxide including aluminum, strontium, cerium, lanthanum and manganese, and a glass having a softening point of 900° C. or lower. The ultraviolet detection material is not excited by an electromagnetic wave having a wavelength longer than 310 nm and is excited by an electromagnetic wave having a wavelength equal to or shorter than 310 nm, thereby emitting light having a peak of an emission wavelength in 480 nm or longer and 700 nm or shorter.
First claim
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What is claimed is: 1. An ultraviolet detection material comprising: a composite oxide including aluminum, strontium, cerium, lanthanum and manganese; and a glass having a softening point of 900° C. or lower, wherein the ultraviolet detection material is not excited by an electromagnetic wave having a wavelength longer than 310 nm and is excited by an electromagnetic wave having a wavelength equal to or shorter than 310 nm, thereby emitting light having a peak of an emission wavelength in 480 nm or longer and 700 nm or shorter, the composite oxide has SrAl 12 O 19 as a main phase and Al 2 O 3 as a sub-phase in a crystal phase, and cerium, lanthanum and manganese are present in the composite oxide in such a form that they are not detected by an X-ray diffraction. 2. The ultraviolet detection material according to claim 1 , wherein an excitation wavelength peak is 280 nm or shorter. 3. The ultraviolet detection material according to claim 1 , wherein the glass has bismuth oxide as a main component or the glass has silicon oxide and barium oxide as main components and includes boron oxide. 4. The ultraviolet detection material according to claim 1 , wherein a content rate of the composite oxide is 60 vol % or more. 5. The ultraviolet detection material according to claim 1 , wherein the composite oxide has an average particle size of 100 μm or greater. 6. An ultraviolet detection device comprising: a substrate; and the ultraviolet detection material according to claim 1 arranged on the substrate.
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- What does patent US11733162B2 cover?
- An ultraviolet detection material includes a composite oxide including aluminum, strontium, cerium, lanthanum and manganese, and a glass having a softening point of 900° C. or lower. The ultraviolet detection material is not excited by an electromagnetic wave having a wavelength longer than 310 nm and is excited by an electromagnetic wave having a wavelength equal to or shorter than 310 nm, the…
- Who is the assignee on this patent?
- Shinko Electric Ind Co
- What technology area does this patent fall under?
- Primary CPC classification G01N21/64. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 22 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).