Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2008-01-23
2010-02-16
Shrivastav, Brij B (Department: 2831)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C600S421000
Reexamination Certificate
active
07663368
ABSTRACT:
An arrangement for radiation of a radio-frequency field into an examination subject has a local coil unit with a housing. An insulating dielectric material is embodied at least at one part of the housing in order to passively compensate an inhomogeneity of the B1 field that occurs in the examination subject. An adjustment arrangement allows for fixed but detachable provision of the insulating dielectric material at the housing part.
REFERENCES:
patent: 6023167 (2000-02-01), DeMeester et al.
patent: 6252403 (2001-06-01), Alsop
patent: 6294972 (2001-09-01), Jesmanowicz et al.
patent: 6850206 (2005-02-01), Heid et al.
patent: 7002347 (2006-02-01), Feiweier et al.
patent: 7199585 (2007-04-01), Kruiskamp et al.
patent: 2007/0010702 (2007-01-01), Wang et al.
Lazar Razvan
Renz Wolfgang
Speckner Thorsten
Schiff & Hardin LLP
Shrivastav Brij B
Siemens Aktiengesellschaft
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