US Patent 11972920 Vacuum compatible X-ray shield
Patent 11972920 was granted and assigned to FEI Company on April, 2024 by the United States Patent and Trademark Office.
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US Patent 11972920 Vacuum compatible X-ray shield
Article
Patent abstract
Methods and apparatus are disclosed for providing an X-ray shield within an ultra-high vacuum enclosure. A shell is fabricated, leak-tested, filled with an X-ray shielding material, and sealed. An elongated twisted X-ray shield can be deployed within a pump-out channel of an electron microscope or similar equipment. The shield can incorporate lead within a stainless steel shell, with optional low-Z cladding outside the shell. Further variations are disclosed.
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Casper Smit0
Pleun Dona0
Rients Jan de Groot0
Date of Patent
April 30, 2024
0Patent Application Number
175336100
Date Filed
November 23, 2021
0Patent Citations
Patent Primary Examiner
CPC Code
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