Patents by Inventor Colin A. Sanford
Colin A. Sanford 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: 11222770Abstract: A microwave system has a solid-state generator which generates microwave energy and includes at least one control input for receiving a control signal to vary electrically a parameter of the microwave energy. A microwave load receives the microwave energy and produces an effect in response to the microwave energy. A microwave conducting element couples the microwave energy to the microwave load. An impedance match adjusting device is coupled to the microwave conducting element to vary at least one of the parameters of the microwave energy. The effect produced in response to the microwave energy is altered by both electrical variation of the parameter of the microwave energy via the control signal and adjustment of the impedance match adjusting device to vary the parameter of the microwave energy.Type: GrantFiled: August 14, 2020Date of Patent: January 11, 2022Assignee: MKS INSTRUMENTS, INC.Inventors: Mohammad Kamarehi, Ken Trenholm, Colin Sanford, Kevin Wenzel, Olivia Keller
-
Patent number: 10910798Abstract: An apparatus and method for determining the health of a plasma system by igniting a plasma within a plasma confining volume generate an ignition signal with an ignition circuit and apply the ignition signal between a biased region and a grounded region in the vicinity of the plasma confining volume. A parameter in the ignition circuit is sensed, and the sensed parameter is compared to a first parameter threshold. A condition associated with the plasma confining volume is determined if the sensed parameter differs from the first voltage threshold, and a corrective action can be taken.Type: GrantFiled: November 13, 2019Date of Patent: February 2, 2021Assignee: MKS Instruments, Inc.Inventors: Atul Gupta, Colin Sanford, Joshua Lamontagne, Kevin Wenzel
-
Publication number: 20210005430Abstract: A microwave system has a solid-state generator which generates microwave energy and includes at least one control input for receiving a control signal to vary electrically a parameter of the microwave energy. A microwave load receives the microwave energy and produces an effect in response to the microwave energy. A microwave conducting element couples the microwave energy to the microwave load. An impedance match adjusting device is coupled to the microwave conducting element to vary at least one of the parameters of the microwave energy. The effect produced in response to the microwave energy is altered by both electrical variation of the parameter of the microwave energy via the control signal and adjustment of the impedance match adjusting device to vary the parameter of the microwave energy.Type: ApplicationFiled: August 14, 2020Publication date: January 7, 2021Applicant: MKS Instruments, Inc.Inventors: Mohammad Kamarehi, Ken Trenholm, Colin Sanford, Kevin Wenzel, Olivia Keller
-
Patent number: 10790118Abstract: A microwave system has a solid-state generator which generates microwave energy and includes at least one control input for receiving a control signal to vary electrically a parameter of the microwave energy. A microwave load receives the microwave energy and produces an effect in response to the microwave energy. A microwave conducting element couples the microwave energy to the microwave load. An impedance match adjusting device is coupled to the microwave conducting element to vary at least one of the parameters of the microwave energy. The effect produced in response to the microwave energy is altered by both electrical variation of the parameter of the microwave energy via the control signal and adjustment of the impedance match adjusting device to vary the parameter of the microwave energy.Type: GrantFiled: March 16, 2017Date of Patent: September 29, 2020Assignee: MKS Instruments, Inc.Inventors: Mohammad Kamarehi, Ken Trenholm, Colin Sanford, Kevin Wenzel, Olivia Keller
-
Publication number: 20200099199Abstract: An apparatus and method for determining the health of a plasma system by igniting a plasma within a plasma confining volume generate an ignition signal with an ignition circuit and apply the ignition signal between a biased region and a grounded region in the vicinity of the plasma confining volume. A parameter in the ignition circuit is sensed, and the sensed parameter is compared to a first parameter threshold. A condition associated with the plasma confining volume is determined if the sensed parameter differs from the first voltage threshold, and a corrective action can be taken.Type: ApplicationFiled: November 13, 2019Publication date: March 26, 2020Applicant: MKS Instruments, Inc.Inventors: Atul Gupta, Colin Sanford, Joshua Lamontagne, Kevin Wenzel
-
Patent number: 10505348Abstract: An apparatus and method for determining the health of a plasma system by igniting a plasma within a plasma confining volume generate an ignition signal with an ignition circuit and apply the ignition signal between a biased region and a grounded region in the vicinity of the plasma confining volume. A parameter in the ignition circuit is sensed, and the sensed parameter is compared to a first parameter threshold. A condition associated with the plasma confining volume is determined if the sensed parameter differs from the first voltage threshold, and a corrective action can be taken.Type: GrantFiled: September 15, 2017Date of Patent: December 10, 2019Assignee: MKS Instruments, Inc.Inventors: Atul Gupta, Colin Sanford, Joshua Lamontagne, Kevin Wenzel
-
Publication number: 20190089135Abstract: An apparatus and method for determining the health of a plasma system by igniting a plasma within a plasma confining volume generate an ignition signal with an ignition circuit and apply the ignition signal between a biased region and a grounded region in the vicinity of the plasma confining volume. A parameter in the ignition circuit is sensed, and the sensed parameter is compared to a first parameter threshold. A condition associated with the plasma confining volume is determined if the sensed parameter differs from the first voltage threshold, and a corrective action can be taken.Type: ApplicationFiled: September 15, 2017Publication date: March 21, 2019Applicant: MKS Instruments, Inc.Inventors: Atul Gupta, Colin Sanford, Joshua Lamontagne, Kevin Wenzel
-
Publication number: 20180269037Abstract: A microwave system has a solid-state generator which generates microwave energy and includes at least one control input for receiving a control signal to vary electrically a parameter of the microwave energy. A microwave load receives the microwave energy and produces an effect in response to the microwave energy. A microwave conducting element couples the microwave energy to the microwave load. An impedance match adjusting device is coupled to the microwave conducting element to vary at least one of the parameters of the microwave energy. The effect produced in response to the microwave energy is altered by both electrical variation of the parameter of the microwave energy via the control signal and adjustment of the impedance match adjusting device to vary the parameter of the microwave energy.Type: ApplicationFiled: March 16, 2017Publication date: September 20, 2018Applicant: MKS Instruments, Inc.Inventors: Mohammad Kamarehi, Ken Trenholm, Colin Sanford, Kevin Wenzel, Olivia Keller
-
Patent number: 8894796Abstract: In one aspect, methods of nanopore formation in solid state membranes are described herein, In some embodiments, a method of forming an aperture comprises providing at least one solid state membrane in a chamber, selecting a first dose of ions sufficient to provide a first aperture of predetermined diameter through the membrane and exposing a surface of the membrane at a first location to the first dose of ions in a focused ion beam having a focal point of diameter less than or equal to about 1 nm to remove material from the membrane at the first location thereby providing the first aperture having the predetermined diameter or substantially the predetermined diameter.Type: GrantFiled: June 6, 2012Date of Patent: November 25, 2014Assignees: The University of North Carolina at Greensboro, Carl Zeiss NTS, LLCInventors: Adam R Hall, Jijin Yang, David C Ferranti, Colin A Sanford
-
Publication number: 20140319339Abstract: In one aspect, methods of nanopore formation in solid state membranes are described herein, In some embodiments, a method of forming an aperture comprises providing at least one solid state membrane in a chamber, selecting a first dose of ions sufficient to provide a first aperture of predetermined diameter through the membrane and exposing a surface of the membrane at a first location to the first dose of ions in a focused ion beam having a focal point of diameter less than or equal to about 1 nm to remove material from the membrane at the first location thereby providing the first aperture having the predetermined diameter or substantially the predetermined diameter.Type: ApplicationFiled: June 6, 2012Publication date: October 30, 2014Inventors: Adam R. Hall, Jijin Yang, David C. Ferranti, Colin Sanford
-
Patent number: 8633451Abstract: Ion sources, systems and methods are disclosed. In some embodiments, the ion sources, systems and methods can exhibit relatively little undesired vibration and/or can sufficiently dampen undesired vibration. This can enhance performance (e.g., increase reliability, stability and the like).Type: GrantFiled: June 20, 2008Date of Patent: January 21, 2014Assignee: Carl Zeiss Microscopy, LLCInventors: Billy W. Ward, Colin A. Sanford, John Notte, IV, Alexander Groholski, Mark D. DiManna
-
Publication number: 20130118184Abstract: Cooled charged particle sources and methods are disclosed. In some embodiments, a charged particle source is thermally coupled to a solid cryogen, such as solid nitrogen. The thermal coupling can be design to provide good thermal conductivity to maintain the charged particle source at a desirably low temperature.Type: ApplicationFiled: June 4, 2012Publication date: May 16, 2013Applicant: CARL ZEISS NTS, LLCInventors: Alexander Groholski, Mark D. DiManna, Brian M. Bassett, Louise Barriss, Colin A. Sanford, John Notte IV
-
Publication number: 20120241640Abstract: Ion sources, systems and methods are disclosed. In some embodiments, the ion sources, systems and methods can exhibit relatively little undesired vibration and/or can sufficiently dampen undesired vibration. This can enhance performance (e.g., increase reliability, stability and the like).Type: ApplicationFiled: June 20, 2008Publication date: September 27, 2012Applicant: CARL ZEISS NTS, LLC.Inventors: Billy W. Ward, Colin A. Sanford, John Notte, VI, Alexander Groholski, Mark D. DiManna
-
Patent number: 8124941Abstract: Disclosed are charged particle systems that include a tip, at least one gas inlet configured to supply gas particles to the tip, and a element having a curved surface positioned to adsorb un-ionized gas particles, and to direct desorbing gas particles to propagate toward the tip. The charged particle systems can include a field shunt connected to the tip, and configured to adjust an electric field at an apex of the tip.Type: GrantFiled: June 29, 2009Date of Patent: February 28, 2012Assignee: Carl Zeiss NTS, LLCInventors: John A. Notte, IV, Randall Percival, Colin A. Sanford, Alexander Grohloski
-
Publication number: 20100012839Abstract: Disclosed are charged particle systems that include a tip, at least one gas inlet configured to supply gas particles to the tip, and a element having a curved surface positioned to adsorb un-ionized gas particles, and to direct desorbing gas particles to propagate toward the tip. The charged particle systems can include a field shunt connected to the tip, and configured to adjust an electric field at an apex of the tip.Type: ApplicationFiled: June 29, 2009Publication date: January 21, 2010Applicant: CARL ZEISS SMT INC.Inventors: John A. Notte, IV, Randall Percival, Colin A. Sanford, Alexander Grohloski
-
Publication number: 20080035860Abstract: A dual beam system includes an ion beam system and a scanning electron microscope with a magnetic objective lens. The ion beam system is adapted to operate optimally in the presence of the magnetic field from the SEM objective lens, so that the objective lens is not turned off during operation of the ion beam. An optional secondary particle detector and an optional charge neutralization flood gun are adapted to operate in the presence of the magnetic field. The magnetic objective lens is designed to have a constant heat signature, regardless of the strength of magnetic field being produced, so that the system does not need time to stabilize when the magnetic field is changed.Type: ApplicationFiled: December 18, 2006Publication date: February 14, 2008Applicant: FEI CompanyInventors: Raymond Hill, Colin Sanford, Lawrence Scipioni, Mark DiManna, Michael Tanguay
-
Publication number: 20070020605Abstract: An improved simulator for an analytical instrument that provides the student with an experience similar to that of operating the actual instrument. In one preferred embodiment, the invention combines real functionality and simulated functionality where at least one function of the analytical instrument is real. In another preferred embodiment, the invention combines a functional first instrument along with a simulation of a second instrument, the simulation including both hardware with limited functionality and software that simulates the output of a functional instrument to create a teaching aid for use in classrooms and teaching laboratories.Type: ApplicationFiled: June 17, 2006Publication date: January 25, 2007Applicant: FEI CompanyInventors: Steven Berger, Colin Sanford
-
Publication number: 20050035291Abstract: A dual beam system includes an ion beam system and a scanning electron microscope with a magnetic objective lens. The ion beam system is adapted to operate optimally in the presence of the magnetic field from the SEM objective lens, so that the objective lens is not turned off during operation of the ion beam. An optional secondary particle detector and an optional charge neutralization flood gun are adapted to operate in the presence of the magnetic field. The magnetic objective lens is designed to have a constant heat signature, regardless of the strength of magnetic field being produced, so that the system does not need time to stabilize when the magnetic field is changed.Type: ApplicationFiled: July 13, 2004Publication date: February 17, 2005Inventors: Raymond Hill, Colin Sanford, Lawrence Scipioni, Mark DiManna, Michael Tanguay
-
Publication number: 20050012049Abstract: In one embodiment of the present invention, a magnetic lens is provided that can generate a substantially constant amount of average heat power over a pre-selected range of resultant magnetic field strengths. The lens is configured to do this with multiple, asymmetric (different turns) coil sections that can produce a desired range of field strengths, and at the same time, maintain a sufficiently constant temperature signature when the average total power is maintained constant thereby eliminating unreasonable delays in lens operation when the resultant field strength is changed. The asymmetric lens structure allows for the smaller coil to be made with less relative inductance thereby making it more responsive and amendable for an AC drive signal and thus dynamic focusing applications if desired.Type: ApplicationFiled: July 14, 2003Publication date: January 20, 2005Inventors: Martinus Bierhoff, Cornelis Sander Kooijman, Colin Sanford
-
Patent number: 5734164Abstract: A charged particle beam apparatus has a carrier for supporting a sample. A tilt mechanism is provided for tilting the wafer carrier through a range of attitudes including an attitude wherein a normal to the carrier defines a predetermined first angle on one side of vertical. A charged particle beam column irradiates a sample on the carrier with a beam of charged particles. The column is canted at a second angle on the opposite side of vertical from the stage normal such that the angle of beam incidence on the sample relative to the stage normal is equal to the sum of the first and second angles. The carrier may be tilted an attitude at the other end of the range of attitudes which is such that the carrier normal is parallel to the column axis and the beam is thus normal to the sample. The first and second angles in limit preferably equal thirty degrees, and the maximum angle of beam incidence on the sample thus equals sixty degrees.Type: GrantFiled: November 26, 1996Date of Patent: March 31, 1998Assignee: Amray, Inc.Inventor: Colin A. Sanford