Patents by Inventor Kimball M. Watson
Kimball M. Watson 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).
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Patent number: 9865514Abstract: A through-silicon via (TSV) capacitive test structure and method of determining TSV depth based on capacitance is disclosed. The TSV capacitive test structure is formed from a plurality of TSV bars that are evenly spaced. A first group of bars are electrically connected to form a first capacitor node, and a second group of bars is electrically connected to form a second capacitor node. The capacitance is measured, and a TSV depth is computed, prior to backside thinning. The computed TSV depth may then be fed to downstream grinding and/or polishing tools to control the backside thinning process such that the semiconductor wafer is thinned such that the backside is flush with the TSV.Type: GrantFiled: March 10, 2015Date of Patent: January 9, 2018Assignee: GLOBALFOUNDRIES Inc.Inventors: Hanyi Ding, J. Edwin Hostetter, Ping-Chuan Wang, Kimball M. Watson
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Patent number: 9496110Abstract: Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and usage, and design structures are disclosed herein. The method includes applying a first voltage polarity to an actuator of a Micro-Electro-Mechanical System (MEMS) structure to place the MEMS structure in a predetermined state for a first operating condition. The method further includes applying a second voltage polarity which is opposite from the first voltage polarity to the actuator of the MEMS structure during a subsequent operating condition.Type: GrantFiled: June 18, 2013Date of Patent: November 15, 2016Assignee: GLOBALFOUNDRIES INC.Inventors: Ward A. Johnson, Jenifer E. Lary, Anthony K. Stamper, Kimball M. Watson, Pui L. Yee
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Publication number: 20150187667Abstract: A through-silicon via (TSV) capacitive test structure and method of determining TSV depth based on capacitance is disclosed. The TSV capacitive test structure is formed from a plurality of TSV bars that are evenly spaced. A first group of bars are electrically connected to form a first capacitor node, and a second group of bars is electrically connected to form a second capacitor node. The capacitance is measured, and a TSV depth is computed, prior to backside thinning. The computed TSV depth may then be fed to downstream grinding and/or polishing tools to control the backside thinning process such that the semiconductor wafer is thinned such that the backside is flush with the TSV.Type: ApplicationFiled: March 10, 2015Publication date: July 2, 2015Applicant: International Business Machines CorporationInventors: Hanyi Ding, J. Edwin Hostetter, Ping-Chuan Wang, Kimball M. Watson
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Patent number: 9059051Abstract: A through-silicon via (TSV) capacitive test structure and method of determining TSV depth based on capacitance is disclosed. The TSV capacitive test structure is formed from a plurality of TSV bars that are evenly spaced. A first group of bars are electrically connected to form a first capacitor node, and a second group of bars is electrically connected to form a second capacitor node. The capacitance is measured, and a TSV depth is computed, prior to backside thinning. The computed TSV depth may then be fed to downstream grinding and/or polishing tools to control the backside thinning process such that the semiconductor wafer is thinned such that the backside is flush with the TSV.Type: GrantFiled: May 8, 2013Date of Patent: June 16, 2015Assignee: International Business Machines CorporationInventors: Hanyi Ding, J. Edwin Hostetter, Jr., Ping-Chuan Wang, Kimball M. Watson
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Publication number: 20140368292Abstract: Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and usage, and design structures are disclosed herein. The method includes applying a first voltage polarity to an actuator of a Micro-Electro-Mechanical System (MEMS) structure to place the MEMS structure in a predetermined state for a first operating condition. The method further includes applying a second voltage polarity which is opposite from the first voltage polarity to the actuator of the MEMS structure during a subsequent operating condition.Type: ApplicationFiled: June 18, 2013Publication date: December 18, 2014Inventors: Ward A. Johnson, Jenifer E. Lary, Anthony K. Stamper, Kimball M. Watson, Pui L. Yee
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Publication number: 20140332973Abstract: A through-silicon via (TSV) capacitive test structure and method of determining TSV depth based on capacitance is disclosed. The TSV capacitive test structure is formed from a plurality of TSV bars that are evenly spaced. A first group of bars are electrically connected to form a first capacitor node, and a second group of bars is electrically connected to form a second capacitor node. The capacitance is measured, and a TSV depth is computed, prior to backside thinning. The computed TSV depth may then be fed to downstream grinding and/or polishing tools to control the backside thinning process such that the semiconductor wafer is thinned such that the backside is flush with the TSV.Type: ApplicationFiled: May 8, 2013Publication date: November 13, 2014Applicant: International Business Machines CorporationInventors: Hanyi Ding, J. Edwin Hostetter, JR., Ping-Chuan Wang, Kimball M. Watson
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Patent number: 8765568Abstract: A structure and method of fabricating the structure includes a semiconductor substrate having a top surface defining a horizontal direction and a plurality of interconnect levels stacked from a lowermost level proximate the top surface of the semiconductor substrate to an uppermost level furthest from the top surface. Each of the interconnect levels include vertical metal conductors physically connected to one another in a vertical direction perpendicular to the horizontal direction. The vertical conductors in the lowermost level being physically connected to the top surface of the substrate, and the vertical conductors forming a heat sink connected to the semiconductor substrate. A resistor is included in a layer immediately above the uppermost level. The vertical conductors being aligned under a downward vertical resistor footprint of the resistor, and each interconnect level further include horizontal metal conductors positioned in the horizontal direction and being connected to the vertical conductors.Type: GrantFiled: October 8, 2013Date of Patent: July 1, 2014Assignee: International Business Machines CorporationInventors: Joseph M. Lukaitis, Deborah M. Massey, Timothy D. Sullivan, Ping-Chuan Wang, Kimball M. Watson
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Patent number: 8686478Abstract: Methods of electrically programming a diffusion resistor by using trapped charge in a trapped charge region adjacent to the resistor to vary the resistance of the resistor, and the resistor, are disclosed. In one embodiment, a method includes forming a diffusion resistor in a substrate; forming a trapped charge region adjacent to the diffusion resistor; and adjusting a resistance of the diffusion resistor by controlling the trapped charge in the trapped charge region.Type: GrantFiled: November 14, 2011Date of Patent: April 1, 2014Assignee: International Business Machines CorporationInventors: Benjamin T. Voegeli, Kimball M. Watson
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Publication number: 20140038381Abstract: A structure and method of fabricating the structure includes a semiconductor substrate having a top surface defining a horizontal direction and a plurality of interconnect levels stacked from a lowermost level proximate the top surface of the semiconductor substrate to an uppermost level furthest from the top surface. Each of the interconnect levels include vertical metal conductors physically connected to one another in a vertical direction perpendicular to the horizontal direction. The vertical conductors in the lowermost level being physically connected to the top surface of the substrate, and the vertical conductors forming a heat sink connected to the semiconductor substrate. A resistor is included in a layer immediately above the uppermost level. The vertical conductors being aligned under a downward vertical resistor footprint of the resistor, and each interconnect level further include horizontal metal conductors positioned in the horizontal direction and being connected to the vertical conductors.Type: ApplicationFiled: October 8, 2013Publication date: February 6, 2014Applicant: International Business Machines CorporationInventors: Joseph M. Lukaitis, Deborah M. Massey, Timothy D. Sullivan, Ping-Chuan Wang, Kimball M. Watson
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Patent number: 8592947Abstract: A structure and method of fabricating the structure includes a semiconductor substrate having a top surface defining a horizontal direction and a plurality of interconnect levels stacked from a lowermost level proximate the top surface of the semiconductor substrate to an uppermost level furthest from the top surface. Each of the interconnect levels include vertical metal conductors physically connected to one another in a vertical direction perpendicular to the horizontal direction. The vertical conductors in the lowermost level being physically connected to the top surface of the substrate, and the vertical conductors forming a heat sink connected to the semiconductor substrate. A resistor is included in a layer immediately above the uppermost level. The vertical conductors being aligned under a downward vertical resistor footprint of the resistor, and each interconnect level further include horizontal metal conductors positioned in the horizontal direction and being connected to the vertical conductors.Type: GrantFiled: December 8, 2010Date of Patent: November 26, 2013Assignee: International Business Machines CorporationInventors: Joseph M. Lukaitis, Deborah M. Massey, Timothy D. Sullivan, Ping-Chuan Wang, Kimball M. Watson
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Patent number: 8486796Abstract: A method of forming a semiconductor structure includes: forming a resistor over a substrate; forming at least one first contact in contact with the resistor; and forming at least one second contact in contact with the resistor. The resistor is structured and arranged such that current flows from the at least one first contact to the at least one second contact through a central portion of the resistor. The resistor includes at least one extension extending laterally outward from the central portion in a direction parallel to the current flow. The method includes sizing the at least one extension based on a thermal diffusion length of the resistor.Type: GrantFiled: November 19, 2010Date of Patent: July 16, 2013Assignee: International Business Machines CorporationInventors: David L. Harmon, Joseph M. Lukaitis, Stewart E. Rauch, III, Robert R. Robison, Dustin K. Slisher, Jeffrey H. Sloan, Timothy D. Sullivan, Kimball M. Watson
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Patent number: 8234606Abstract: An array of through substrate vias (TSVs) is formed through a semiconductor substrate and a contact-via-level dielectric layer thereupon. A metal-wire-level dielectric layer and a line-level metal wiring structure embedded therein are formed directly on the contact-via-level dielectric layer. The line-level metal wiring structure includes cheesing holes that are filled with isolated portions of the metal-wire-level dielectric layer. In one embodiment, the entirety of the cheesing holes is located outside the area of the array of the TSVs to maximize the contact area between the TSVs and the line-level metal wiring structure. In another embodiment, a set of cheesing holes overlying an entirety of seams in the array of TSVs is formed to prevent trapping of any plating solution in the seams of the TSVs during plating to prevent corrosion of the TSVs at the seams.Type: GrantFiled: April 6, 2011Date of Patent: July 31, 2012Assignee: International Business Machines CorporationInventors: David S. Collins, Alvin Joseph, Peter J. Lindgren, Anthony K. Stamper, Kimball M. Watson
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Patent number: 8207609Abstract: A structure and a method. The method includes: forming a dielectric layer on a substrate; forming electrically conductive first and second wires in the dielectric layer, top surfaces of the first and second wires coplanar with a top surface of the dielectric layer; and either (i) forming an electrically conductive third wire on the top surface of the dielectric layer, and over the top surfaces of the first and second wires, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy or (ii) forming an electrically conductive third wire between the top surface of the dielectric layer and the substrate, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy.Type: GrantFiled: August 1, 2011Date of Patent: June 26, 2012Assignee: International Business Machines CorporationInventors: Stephen Peter Ayotte, Jeffrey Peter Gambino, Timothy Dooling Sullivan, Kimball M. Watson
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Publication number: 20120146186Abstract: A structure and method of fabricating the structure includes a semiconductor substrate having a top surface defining a horizontal direction and a plurality of interconnect levels stacked from a lowermost level proximate the top surface of the semiconductor substrate to an uppermost level furthest from the top surface. Each of the interconnect levels include vertical metal conductors physically connected to one another in a vertical direction perpendicular to the horizontal direction. The vertical conductors in the lowermost level being physically connected to the top surface of the substrate, and the vertical conductors forming a heat sink connected to the semiconductor substrate. A resistor is included in a layer immediately above the uppermost level. The vertical conductors being aligned under a downward vertical resistor footprint of the resistor, and each interconnect level further include horizontal metal conductors positioned in the horizontal direction and being connected to the vertical conductors.Type: ApplicationFiled: December 8, 2010Publication date: June 14, 2012Applicant: International Business Machines CorporationInventors: Joseph M. Lukaitis, Deborah M. Massey, Timothy D. Sullivan, Ping-Chuan Wang, Kimball M. Watson
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Publication number: 20120126370Abstract: A method of forming a semiconductor structure includes: forming a resistor over a substrate; forming at least one first contact in contact with the resistor; and forming at least one second contact in contact with the resistor. The resistor is structured and arranged such that current flows from the at least one first contact to the at least one second contact through a central portion of the resistor. The resistor includes at least one extension extending laterally outward from the central portion in a direction parallel to the current flow. The method includes sizing the at least one extension based on a thermal diffusion length of the resistor.Type: ApplicationFiled: November 19, 2010Publication date: May 24, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: David L. HARMON, Joseph M. LUKAITIS, Stewart E. RAUCH, III, Robert R. ROBISON, Dustin K. SLISHER, Jeffrey H. SLOAN, Timothy D. SULLIVAN, Kimball M. WATSON
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Publication number: 20120058611Abstract: Methods of electrically programming a diffusion resistor by using trapped charge in a trapped charge region adjacent to the resistor to vary the resistance of the resistor, and the resistor, are disclosed. In one embodiment, a method includes forming a diffusion resistor in a substrate; forming a trapped charge region adjacent to the diffusion resistor; and adjusting a resistance of the diffusion resistor by controlling the trapped charge in the trapped charge region.Type: ApplicationFiled: November 14, 2011Publication date: March 8, 2012Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Benjamin T. Voegeli, Kimball M. Watson
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Patent number: 8125019Abstract: An electrically programmable resistor is presented. In one embodiment, a resistor includes a doped body within a substrate; a trapped charge region adjacent to the resistor, the resistance of the resistor controlled by an amount of trapped charge in the trapped charge region.Type: GrantFiled: October 18, 2006Date of Patent: February 28, 2012Assignee: International Business Machines CorporationInventors: Benjamin T. Voegeli, Kimball M. Watson
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Patent number: 8089160Abstract: An IC interconnect according to one embodiment includes a first via positioned in a dielectric and coupled to a high current device at one end; a buffer metal segment positioned in a dielectric and coupled to a top portion of the first via; and a plurality of second vias positioned in a dielectric and coupled to the buffer metal segment at a bottom end and to a metal power line at a top end thereof, wherein the first via is coupled to a first end of the buffer metal segment and the plurality of second vias are coupled to a second end of the buffer metal segment, such that the first via is horizontally off-set from all of the plurality of second vias, wherein the butter metal segment is substantially shorter in length than the metal power line.Type: GrantFiled: December 12, 2007Date of Patent: January 3, 2012Assignee: International Business Machines CorporationInventors: Ping-Chuan Wang, Kimball M. Watson, Kai Xiu
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Publication number: 20110284280Abstract: A structure and a method. The method includes: forming a dielectric layer on a substrate; forming electrically conductive first and second wires in the dielectric layer, top surfaces of the first and second wires coplanar with a top surface of the dielectric layer; and either (i) forming an electrically conductive third wire on the top surface of the dielectric layer, and over the top surfaces of the first and second wires, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy or (ii) forming an electrically conductive third wire between the top surface of the dielectric layer and the substrate, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy.Type: ApplicationFiled: August 1, 2011Publication date: November 24, 2011Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Stephen Peter Ayotte, Jeffrey Peter Gambino, Timothy Dooling Sullivan, Kimball M. Watson
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Patent number: 8017514Abstract: A structure and a method. The method includes: forming a dielectric layer on a substrate; forming electrically conductive first and second wires in the dielectric layer, top surfaces of the first and second wires coplanar with a top surface of the dielectric layer; and either (i) forming an electrically conductive third wire on the top surface of the dielectric layer, and over the top surfaces of the first and second wires, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy or (ii) forming an electrically conductive third wire between the top surface of the dielectric layer and the substrate, the third wire electrically contacting each of the first and second wires, the third wire not detectable by optical microscopy.Type: GrantFiled: May 5, 2008Date of Patent: September 13, 2011Assignee: International Business Machines CorporationInventors: Stephen Peter Ayotte, Jeffrey Peter Gambino, Timothy Dooling Sullivan, Kimball M. Watson