(19)
(11) EP 3 224 640 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
13.12.2023 Bulletin 2023/50

(45) Mention of the grant of the patent:
11.10.2023 Bulletin 2023/41

(21) Application number: 15794171.7

(22) Date of filing: 12.11.2015
(51) International Patent Classification (IPC): 
G01R 33/032(2006.01)
(52) Cooperative Patent Classification (CPC):
G01R 33/032
(86) International application number:
PCT/EP2015/076418
(87) International publication number:
WO 2016/083140 (02.06.2016 Gazette 2016/22)

(54)

METHOD AND DEVICE FOR MEASURING STRONG MAGNETIC FIELDS ON A NANOMETER SCALE, E.G. ON A HARD DISK WRITE/READ HEAD

VERFAHREN UND VORRICHTUNG ZUR MESSUNG NANOSKALIGER STARKER MAGNETFELDER WIE Z. B. AUF EINEM FESTPLATTENSCHREIB-/-LESEKOPF

PROCÉDÉ ET DISPOSITIF POUR MESURER DES CHAMPS MAGNÉTIQUES FORTS À L'ÉCHELLE NANOMÉTRIQUE, PAR EXEMPLE SUR UNE TÊTE D'ÉCRITURE/DE LECTURE DE DISQUE DUR


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 27.11.2014 DE 102014117428

(43) Date of publication of application:
04.10.2017 Bulletin 2017/40

(73) Proprietor: Universität Stuttgart, Körperschaft des Öffentlichen Rechts
70174 Stuttgart (DE)

(72) Inventors:
  • REINHARD, Friedemann
    18055 Rostock (DE)
  • WRACHTRUP, Jörg
    70563 Stuttgart (DE)

(74) Representative: Qip Patentanwälte Dr. Kuehn & Partner mbB 
Goethestraße 8
80336 München
80336 München (DE)


(56) References cited: : 
   
  • MAERTZ B ET AL: "Vector magnetic field microscopy using nitrogen vacancy centers in diamond", APPLIED PHYSICS LETTERS, AMERICAN INSTITUTE OF PHYSICS, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747, vol. 96, no. 9, 1 March 2010 (2010-03-01), pages 92504-92504, XP012132411, ISSN: 0003-6951, DOI: 10.1063/1.3337096
  • Rolf Simon Schönfeld: "Optical readout of single spins for quantum computing and magnetic sensing", Dissertation, Fachbereich Physik der Freien Universität Berlin, 1 May 2011 (2011-05-01), pages 1-143, XP055143403, Retrieved from the Internet: URL:http://www.diss.fu-berlin.de/diss/serv lets/MCRFileNodeServlet/FUDISS_derivate_00 0000012199/Dissertation_Simon_Schoenfeld_P ublicVersion-2.pdf;jsessionid=89A943688E59 A31943E392CF5C20A935?hosts= [retrieved on 2014-09-30]
  • FUCHS G D ET AL: "A quantum memory intrinsic to single nitrogen-vacancy centres in diamond", NATURE PHYSICS, NATURE PUBLISHING GROUP, LONDON, GB, vol. 7, no. 10, 1 October 2011 (2011-10-01), pages 790-794, XP002692843, ISSN: 1745-2473 [retrieved on 2011-06-26]
  • G. D. FUCHS ET AL: "Gigahertz Dynamics of a Strongly Driven Single Quantum Spin", SCIENCE, vol. 326, no. 5959, 11 December 2009 (2009-12-11), pages 1520-1522, XP055245721, US ISSN: 0036-8075, DOI: 10.1126/science.1181193
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).