US 12,270,873 B2
Radio frequency transmit coil for magnetic resonance imaging system
James F. Dempsey, Atherton, CA (US); and Thomas Chmielewski, Aurora, OH (US)
Assigned to ViewRay Systems, Inc., Denver, CO (US)
Filed by ViewRay Systems, Inc., Denver, CO (US)
Filed on Jun. 10, 2021, as Appl. No. 17/344,825.
Application 17/344,825 is a continuation of application No. 16/509,346, filed on Jul. 11, 2019, granted, now 11,035,916.
Application 16/509,346 is a continuation of application No. 15/224,264, filed on Jul. 29, 2016, granted, now 10,466,319, issued on Nov. 5, 2019.
Application 15/224,264 is a continuation of application No. 13/796,784, filed on Mar. 12, 2013, granted, now 9,404,983, issued on Aug. 2, 2016.
Prior Publication US 2021/0356539 A1, Nov. 18, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G01R 33/34 (2006.01); G01R 33/48 (2006.01)
CPC G01R 33/34092 (2013.01) [G01R 33/34076 (2013.01); G01R 33/4808 (2013.01); G01R 33/481 (2013.01); G01R 33/4812 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A radio frequency coil for use with a magnetic resonance imaging apparatus, the radio frequency coil comprising:
a first conductive loop;
a second conductive loop; and
a conductive rung disposed between the first and second conductive loops and electrically connected to the first and second conductive loops, wherein at least a portion of the conductive rung is formed of a plurality of layers of conductive material; wherein the conductive rung includes a first conductive rung section and a second conductive rung section, the second conductive rung section having a radial thickness that is thinner than a radial thickness of the first conductive rung section.