Manipulation of magnetic particles in conduits for the propagation of domain walls

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United States of America Patent

PATENT NO 8878638
SERIAL NO

13148649

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Abstract

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A system and a method for the controlled manipulation of any number of magnetic particles in solution are shown. The system and the method of the present invention are based on the employment of magnetic conduits properly structured in order to inject, move and annihilate with high precision magnetic domain walls and on the fact that said magnetic domain walls exert a high attraction force on magnetic particles. The injection, movement and annihilation of domain walls along said magnetic conduit result, therefore, in the trapping, movement and release, respectively, of single magnetic particles placed in solution in proximity of said magnetic conduits. The devices of the present invention guarantee the possibility of a digital transfer of magnetic particles along conduits formed by linear segments as well as high control and nanometric precision in the manipulation of said magnetic particles on curved conduits.

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Patent Owner(s)

Patent OwnerAddress
ASOCIACION-CENTRO DE INVESTIGACION COOPERATIVA EN NANOCIENCIAS-CIC NANOGUNEAVENIDA TOLOSA 76 SAN SABASTIAN-DONOSTIA E-20018

International Classification(s)

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  • 2010 Application Filing Year
  • B03C Class
  • 173 Applications Filed
  • 132 Patents Issued To-Date
  • 76.31 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2010201120122013201420152016201720180255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bertacco, Ricardo Morazzone, IT 1 4
Brivio, Stefano Seregno, IT 1 4
Cantoni, Matteo Bresso, IT 1 4
Donolato, Marco Milan, IT 4 14
Gobbi, Marco Lody, IT 1 4
Petti, Daniela Milan, IT 3 5
Vavassori, Paolo San Sebastian, ES 13 78

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Patent Citation Ranking

  • 2 Citation Count
  • B03C Class
  • 5.88 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges6542310431101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9002.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.55557.5

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11.5 Year Payment $7400.00 $3700.00 $1850.00 May 4, 2026