Patents by Inventor John M. McKenna

John M. McKenna has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9964516
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: May 8, 2018
    Assignee: NXP USA, INC.
    Inventors: Patrice M. Parris, Weize Chen, Richard J. De Souza, Md M. Hoque, John M. McKenna
  • Publication number: 20170146485
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Inventors: Patrice M. Parris, Weize Chen, Richard J. De Souza, Md M. Hoque, John M. McKenna
  • Patent number: 9599587
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: March 21, 2017
    Assignee: NXP USA, INC.
    Inventors: Patrice M. Parris, Weize Chen, Richard J. De Souza, Md M. Hoque, John M. McKenna
  • Publication number: 20140375370
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Inventors: PATRICE M. PARRIS, WEIZE CHEN, RICHARD J. DE SOUZA, MD M. HOQUE, JOHN M. MCKENNA
  • Patent number: 8878257
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: November 4, 2014
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Patrice M. Parris, Weize Chen, Richard J. De Souza, Md M. Hoque, John M. McKenna
  • Publication number: 20110299337
    Abstract: An ISFET includes a control gate coupled to a floating gate in a CMOS device. The control gate, for example, a poly-to-well capacitor, is configured to receive a bias voltage and effect movement of a trapped charge between the control gate and the floating gate. The threshold voltage of the ISFET can therefore by trimmed to a predetermined value, thereby storing the trim information (the amount of trapped charge in the floating gate) within the ISFET itself.
    Type: Application
    Filed: June 4, 2010
    Publication date: December 8, 2011
    Applicant: Freescale Semiconductor, Inc.
    Inventors: Patrice M. Parris, Weize Chen, Richard J. De Souza, Md M. Hoque, John M. McKenna
  • Patent number: 7700996
    Abstract: A tunable antifuse element (102, 202, 204, 504, 952) includes a substrate material (101) having an active area (106) formed in a surface, a gate electrode (104) having at least a portion positioned above the active area (106), and a dielectric layer (110) disposed between the gate electrode (104) and the active area (106). The dielectric layer (110) includes a tunable stepped structure (127). During operation, a voltage applied between the gate electrode (104) and the active area (106) creates a current path through the dielectric layer (110) and a rupture of the dielectric layer (110) in a rupture region (130). The dielectric layer (110) is tunable by varying the stepped layer thicknesses and the geometry of the layer.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: April 20, 2010
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Patrice M. Parris, Weize Chen, John M. McKenna, Jennifer H. Morrison, Moaniss Zitouni, Richard J. De Souza
  • Publication number: 20090127587
    Abstract: A tunable antifuse element (102, 202, 204, 504, 952) includes a substrate material (101) having an active area (106) formed in a surface, a gate electrode (104) having at least a portion positioned above the active area (106), and a dielectric layer (110) disposed between the gate electrode (104) and the active area (106). The dielectric layer (110) includes a tunable stepped structure (127). During operation, a voltage applied between the gate electrode (104) and the active area (106) creates a current path through the dielectric layer (110) and a rupture of the dielectric layer (110) in a rupture region (130). The dielectric layer (110) is tunable by varying the stepped layer thicknesses and the geometry of the layer.
    Type: Application
    Filed: January 29, 2009
    Publication date: May 21, 2009
    Applicant: FREESCALE SEMICONDUCTOR, INC.
    Inventors: Patrice M. Parris, Weize Chen, John M. McKenna, Jennifer H. Morrison, Moaniss Zitouni, Richard J. De Souza
  • Patent number: 7528015
    Abstract: A tunable antifuse element (102, 202, 204, 504, 952) and method of fabricating the tunable antifuse element, including a substrate material (101) having an active area (106) formed in a surface, a gate electrode (104) having at least a portion positioned above the active area (106), and a dielectric layer (110) disposed between the gate electrode (104) and the active area (106). The dielectric layer (110) including the fabrication of one of a tunable stepped structure (127). During operation, a voltage applied between the gate electrode (104) and the active area (106) creates a current path through the dielectric layer (110) and a rupture of the dielectric layer (110) in a plurality of rupture regions (130). The dielectric layer (110) is tunable by varying the stepped layer thicknesses and the geometry of the layer.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: May 5, 2009
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Patrice M. Parris, Weize Chen, John M. McKenna, Jennifer H. Morrison, Moaniss Zitouni, Richard J. De Souza
  • Patent number: 5385445
    Abstract: A multi-stage open impeller centrifugal pump, primarily used for charging service. The pump uses multivane, 27 vanes, impellers, mounted on a single shaft. Rotor parts are a loose fit to the pump shaft and channel rings are pulled together with bolts. Jackbolts are used to separate the channel rings. A channel ring bushing is provided with a loose fit. The channel ring bushing is axially and radially retained by the channel ring and diffusor.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: January 31, 1995
    Assignee: Ingersoll-Dresser Pump Company
    Inventor: John M. McKenna
  • Patent number: 5320489
    Abstract: A radial diffuser for a centrifugal pump. The diffuser has a plurality of diffusing passages wherein the width of the diffusing passage is constant and the cross-sectional area of the diffusing passage increases from the inlet of the diffusing passage to the outlet of the diffusing passage. This type of diffuser has a reduced outer diameter relative to prior art diffusers.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: June 14, 1994
    Assignee: Ingersoll-Dresser Pump Company
    Inventor: John M. McKenna
  • Patent number: 5299813
    Abstract: A floating seal ring is disposed within a retainer ring encircling a shaft which extends through the retainer ring. The seal ring is permitted to float radially with respect to the shaft but is retained axially with respect to the shaft. A pin protrudes from the seal ring into a bore in the retainer ring to preclude rotational movement of the seal ring relative to the shaft. The seal ring has an inner diameter which is greater at one end thereof than at the other end thereof so that fluid flow through an annular clearance between the seal ring and the shaft is accelerated. In one embodiment, the seal ring has an annular inner surface that is tapered. In another embodiment, the seal ring has an annular inner surface that is stepped.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: April 5, 1994
    Assignee: Ingersoll-Dresser Pump Company
    Inventor: John M. McKenna
  • Patent number: 4971459
    Abstract: A bearing arrangement wherein a shaft of uniform diameter is supported in a journal bearing having multiple sections located axially along said shaft at different locations. Each journal bearing section includes a circular journal bore receiving the shaft with the axis of said journal bores being parallel and displaced relative to each other and to the axis of the enclosed shaft in a plane normal to the axis of the shaft.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: November 20, 1990
    Assignee: Ingersoll-Rand Company
    Inventor: John M. McKenna
  • Patent number: D357030
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: April 4, 1995
    Assignee: Ingersoll-Dresser Pump Company
    Inventor: John M. McKenna