Radiofrequency attenuator and method

Patent · Tue Jan 20 00:00:00 EST 2009

OSTI ID:959132

Warner, Benjamin P ^[1]; McCleskey, T Mark ^[1]; Burrell, Anthony K ^[1]; Agrawal, Anoop ^[2]; Hall, Simon B ^[3]

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1. Los Alamos, NM
2. Tucson, AZ
3. Palmerston North, NZ

Radiofrequency attenuator and method. The attenuator includes a pair of transparent windows. A chamber between the windows is filled with molten salt. Preferred molten salts include quarternary ammonium cations and fluorine-containing anions such as tetrafluoroborate (BF.sub.4.sup.-), hexafluorophosphate (PF.sub.6.sup.-), hexafluoroarsenate (AsF.sub.6.sup.-), trifluoromethylsulfonate (CF.sub.3SO.sub.3.sup.-), bis(trifluoromethylsulfonyl)imide ((CF.sub.3SO.sub.2).sub.2N.sup.-), bis(perfluoroethylsulfonyl)imide ((CF.sub.3CF.sub.2SO.sub.2).sub.2N.sup.-) and tris(trifluoromethylsulfonyl)methide ((CF.sub.3SO.sub.2).sub.3C.sup.-). Radicals or radical cations may be added to or electrochemically generated in the molten salt to enhance the RF attenuation.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: W-7405-ENG-36
• Assignee: Los Alamos National Security, LLC (Los Alamos, NM)
• Patent Number(s): 7,479,843
• Application Number: 10/990,881
• OSTI ID: 959132
• Country of Publication: United States
• Language: English

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