1
Daniel Charles Kerr, Thomas Gregory McKay, Michael Carroll, Joseph M Gering: Linearity improvements of semiconductor substrate based radio frequency devices. RF Micro Devices, Withrow & Terranova P L L C, January 11, 2011: US07868419 (26 worldwide citation)

The present invention relates to using a trap-rich layer, such as a polycrystalline Silicon layer, over a semiconductor substrate to substantially immobilize a surface conduction layer at the surface of the semiconductor substrate at radio frequency (RF) frequencies. The trap-rich layer may have a h ...


2
Daniel Charles Kerr, Thomas Gregory McKay, Michael Carroll, Joseph M Gering: Linearity improvements of semiconductor substrate using passivation. RF Micro Devices, Withrow & Terranova P L L C, March 29, 2011: US07915706 (17 worldwide citation)

The present invention relates to using a potentially trap-rich layer, such as a polycrystalline Silicon layer, over a passivation region of a semiconductor substrate or a Silicon-on-insulator (SOI) device layer to substantially immobilize a surface conduction layer at the surface of the semiconducto ...


3
Daniel Charles Kerr, Thomas Gregory McKay, Michael Carroll, Joseph M Gering: Linearity improvements of semiconductor substrate based radio frequency devices. RF Micro Devices, Withrow & Terranova P L L C, December 13, 2011: US08076750 (15 worldwide citation)

The present invention relates to using a trap-rich layer, such as a polycrystalline Silicon layer, over a semiconductor substrate to substantially immobilize a surface conduction layer at the surface of the semiconductor substrate at radio frequency (RF) frequencies. The trap-rich layer may have a h ...


4
Tony Ivanov, Julio Costa, Michael Carroll, Thomas Gregory McKay, Christian Rye Iversen: Performance enhanced silicon-on-insulator technology. RF Micro Devices, Withrow & Terranova P L L C, August 10, 2010: US07772648 (7 worldwide citation)

The present invention includes a silicon-on-insulator (SOI) wafer that enhances certain performance parameters by increasing silicon device layer and insulator layer thicknesses and increasing silicon handle wafer resistivity. By increasing the silicon device layer thickness, effects of the floating ...


5
Thomas Gregory McKay: Controllable input impedance radio frequency mixer. RF Micro Devices, Withrow & Terranova P L L C, February 21, 2012: US08121577 (6 worldwide citation)

The present invention is a controllable input impedance RF mixer, which when fed from a high impedance source, such as a current source, provides a high quality factor (Q) impedance response associated with an impedance peak. The high-Q impedance response may be used as a high-Q RF bandpass filter i ...


6
Iain Alexander Anderson, Benjamin Marc O Brien, Thomas Gregory McKay, Todd Alan Gisby, Emilio Patricio Calius, Scott Hayden Walbran, Thomas Swithun Hale: Actuator. Auckland UniServices, Lowe Graham Jones PLLC, January 28, 2014: US08638024 (1 worldwide citation)

The invention provides an actuator for an electric motor and an electric motor including said actuator. The actuator includes one or more body formed from a dielectric elastomer, each body having at least one active region that is directly or indirectly coupled to a drive means. The active regions a ...


7
Iain Alexander Anderson, Thomas Gregory McKay, Benjamin Marc O Brien, Todd Alan Gibsy: Geometric switch and circuits including the same. Auckland UniServices, Schwegman Lundberg & Woessner P A, July 4, 2017: US09697959

The present invention provides a mechanically-actuated switch comprising a deformable conductive element providing a conductive path between a first terminal and a second terminal, wherein the effective geometry of the conductive element changes suddenly upon deformation to cause a disproportionatel ...


8
Stephen Allott, Thomas Gregory McKay: Discrete time polyphase mixer. RF Micro Devices, Withrow & Terranova P L L C, July 2, 2013: US08478220

Embodiments of a radio frequency (RF) circuit provide translational filtering in accordance with an input impedance response that is an impedance image of a reactive circuit impedance response from a polyphase reactive circuit. The RF circuit may include a first mixer circuit that provides a first f ...


9
Stephen Allott, Thomas Gregory McKay: Discrete time polyphase mixer. RF Micro Devices, Withrow & Terranove P L L C, May 6, 2014: US08718591

Embodiments of a radio frequency (RF) circuit provide translational filtering in accordance with an input impedance response that is an impedance image of a reactive circuit impedance response from a poly phase reactive circuit. The RF circuit may include a first mixer circuit that provides a first ...


10
Iain Alexander Anderson, Benjamin Marc O Brien, Thomas Gregory McKay, Todd Alan Gisby, Emilio Patricio Calius, Scott Hayden Walbran, Thomas Swithun Hale: Actuator. Auckland Uniservices, May 5, 2011: US20110101823-A1

The invention provides an actuator for an electric motor and an electric motor including said actuator. The actuator includes one or more body formed from a dielectric elastomer, each body having at least one active region that is directly or indirectly coupled to a drive means. The active regions a ...



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