Method for producing smooth inner surfaces

Patent · Tue May 17 00:00:00 EDT 2016

OSTI ID:1253340

Cooper, Charles A.

The invention provides a method for preparing superconducting cavities, the method comprising causing polishing media to tumble by centrifugal barrel polishing within the cavities for a time sufficient to attain a surface smoothness of less than 15 nm root mean square roughness over approximately a 1 mm.sup.2 scan area. The method also provides for a method for preparing superconducting cavities, the method comprising causing polishing media bound to a carrier to tumble within the cavities. The method also provides for a method for preparing superconducting cavities, the method comprising causing polishing media in a slurry to tumble within the cavities.

• Research Organization: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-07CH11359
• Assignee: U.S. Department of Energy (Washington, DC)
• Patent Number(s): 9,343,649
• Application Number: 14/678,139
• OSTI ID: 1253340
• Resource Relation: Patent File Date: 2015 Apr 03
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE