Patents by Inventor William Robert Tonti

William Robert Tonti 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).

  • Publication number: 20080116582
    Abstract: Interconnect structures including liner layers that are non-planar with at least the adjacent insulating layer and at least one capping layer on conductive features embedded in the insulating layer. The interconnect structure includes an insulating layer of a dielectric material having a top surface and a bottom surface between the top surface and a substrate. An opening, such as a trench, has sidewalls extending from the top surface of the insulating layer toward the bottom surface and is at least partially filled by a conductive feature. A capping layer is disposed on at least a top surface of the conductive feature. A conductive liner layer is disposed between the insulating layer and the conductive feature along at least the sidewalls of the opening. The conductive liner layer has sidewall portions projecting above the top surface of the insulating layer adjacent to the sidewalls of the opening.
    Type: Application
    Filed: November 22, 2006
    Publication date: May 22, 2008
    Inventors: Louis Lu-Chen Hsu, Jack Allan Mandelman, William Robert Tonti, Chih-Chao Yang
  • Patent number: 7375339
    Abstract: A method, device and system for monitoring ionizing radiation. The method including: collecting an ionizing radiation induced charge collected by the depletion region of a diode formed in a silicon layer below an oxide layer buried below a surface of a silicon substrate; and coupling a cathode of the diode to a precharged node of a clocked logic circuit such that the ionizing radiation induced charge collected by a depletion region of the diode will discharge the precharged node and change an output state of the clocked logic circuit.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: May 20, 2008
    Assignee: International Business Machines Corporation
    Inventors: Wagdi William Abadeer, Ethan Harrison Cannon, Dennis Thomas Cox, William Robert Tonti
  • Patent number: 7358164
    Abstract: Methods of forming semiconductor structures characterized by a thin active silicon layer on an insulating substrate by a crystal imprinting or damascene approach. The methods include patterning an insulating layer to define a plurality of apertures, filling the apertures in the patterned insulating layer with amorphous silicon to define a plurality of amorphous silicon features, and re-growing the amorphous silicon features to define a thin active silicon layer consisting of regrown silicon features. The amorphous silicon features may be regrown such that a number have a first crystal orientation and another number have a different second crystal orientation.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: April 15, 2008
    Assignee: International Business Machines Corporation
    Inventors: Louis Lu-Chen Hsu, Jack Allan Mandelman, William Robert Tonti
  • Patent number: 7352034
    Abstract: Methods of forming a semiconductor structure having FinFET's and planar devices, such as MOSFET's, on a common substrate by a damascene approach. A semiconductor fin of the FinFET is formed on a substrate with damascene processing in which the fin growth may be interrupted to implant ions that are subsequently transformed into a region that electrically isolates the fin from the substrate. The isolation region is self-aligned with the fin because the mask used to form the damascene-body fin also serves as an implantation mask for the implanted ions. The fin may be supported by the patterned layer during processing that forms the FinFET and, more specifically, the gate of the FinFET. The electrical isolation surrounding the FinFET may also be supplied by a self-aligned process that recesses the substrate about the FinFET and at least partially fills the recess with a dielectric material.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: April 1, 2008
    Assignee: International Business Machines Corporation
    Inventors: Roger Allen Booth, Jr., Jack Allan Mandelman, William Robert Tonti
  • Patent number: 7276775
    Abstract: Damascene or non-damascene processing when used with a method that includes (a) forming a mask having an opening therethrough on a structure, said opening having sidewalls; (b) implanting an inhibiting species into said structure through the opening so as to form an inhibiting region in said structure; and (c) growing a dielectric layer on the structure in said opening, wherein the inhibiting region partially inhibits growth of the dielectric layer is capable of forming a semiconductor structure, e.g., MOSFET or anti-fuse, including a dual thickness dielectric layer. Alternatively, the dual thickness dielectric can be formed by replacing the inhibiting species mentioned above with a dielectric growth enhancement species which forms an enhancing region in the structure which aids in the growth of the dielectric layer.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: October 2, 2007
    Assignee: International Business Machines Corporation
    Inventors: Claude Louis Bertin, Anthony J. Dally, John Atkinson Fifield, John Jesse Higgins, Jack Allan Mandelman, William Robert Tonti, Nicholas Martin van Heel
  • Patent number: 7276768
    Abstract: Semiconductor structures and methods for suppressing latch-up in bulk CMOS devices. The semiconductor structure comprises a shaped-modified isolation region that is formed in a trench generally between two doped wells of the substrate in which the bulk CMOS devices are fabricated. The shaped-modified isolation region may comprise a widened dielectric-filled portion of the trench, which may optionally include a nearby damage region, or a narrowed dielectric-filled portion of the trench that partitions a damage region between the two doped wells. Latch-up may also be suppressed by providing a lattice-mismatched layer between the trench base and the dielectric filler in the trench.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: October 2, 2007
    Assignee: International Business Machines Corporation
    Inventors: Toshiharu Furukawa, Robert J. Gauthier, Jr., David Vaclav Horak, Charles William Koburger, III, Jack Allan Mandelman, William Robert Tonti
  • Patent number: 7268028
    Abstract: A well isolation trenches for a CMOS device and the method for forming the same. The CMOS device includes (a) a semiconductor substrate, (b) a P well and an N well in the semiconductor substrate, (c) a well isolation region sandwiched between and in direct physical contact with the P well and the N well. The P well comprises a first shallow trench isolation (STI) region, and the N well comprises a second STI region. A bottom surface of the well isolation region is at a lower level than bottom surfaces of the first and second STI regions. When going from top to bottom of the well isolation region, an area of a horizontal cross section of the well isolation region is an essentially continuous function.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: September 11, 2007
    Assignee: International Business Machines Corporation
    Inventors: Toshiharu Furukawa, Mark Charles Hakey, David Vaclav Horak, Charles William Koburger, III, Jack Allan Mandelman, William Robert Tonti
  • Patent number: 7250351
    Abstract: Enhanced silicon-on-insulator transistors and methods are provided for implementing enhanced silicon-on-insulator transistors. The enhanced silicon-on-insulator (SOI) transistors include a thin buried oxide (BOX) layer under a device channel and a thick self-aligned buried oxide (BOX) region under SOI source/drain diffusions. A selective epitaxial growth is utilized in the source/drain regions to implement appropriate strain to enhance both PFET and NFET devices simultaneously.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: July 31, 2007
    Assignee: International Business Machines Corporation
    Inventors: Toshiharu Furukawa, Carl John Radens, William Robert Tonti, Richard Quimby Williams
  • Patent number: 7227239
    Abstract: A resettable fuse device is fabricated on one surface of a semiconductor substrate (10) and includes: a gate region (20) having first and second ends; a source node (81) formed in proximity to the first end of the gate region; an extension region (52) formed to connect the source node to the first end of the gate region; and a drain node (80) formed in proximity to the second end of the gate region and separated from the gate region by a distance (D) such that upon application of a predetermined bias voltage to the drain node a connection between the drain node and the second end of the gate region is completed by junction depletion. A gate dielectric (30) and a gate electrode (40) are formed over the gate region. Current flows between the source node and the drain node when the predetermined bias is applied to both the drain node and the gate electrode.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: June 5, 2007
    Assignee: International Business Machines Corporation
    Inventors: Wagdi William Abadeer, John Atkinson Fifield, Robert J. Gauthier, Jr., William Robert Tonti
  • Patent number: 7129138
    Abstract: Enhanced silicon-on-insulator (SOI) buried oxide (BOX) structures and methods are provided for implementing enhanced SOI BOX structures. An oxygen implant step is performed from a backside into a thinned silicon substrate layer. An anneal step forms thick buried oxide (BOX) regions from oxygen implants in the silicon substrate layer. The oxygen implant step forms an isolated region near the oxygen implants. A backside implant step selectively dopes the isolated region for forming a backgate for an SOI device being formed including a selected one of anti-fuse (AF) devices, and SOI transistors including PFET and NFET devices.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: October 31, 2006
    Assignee: International Business Machines Corporation
    Inventors: Toshiharu Furukawa, Carl John Radens, William Robert Tonti, Richard Quimby Williams
  • Patent number: 6943452
    Abstract: An integrated circuit is provided that contains a coaxial signal line formed at least partially within a silicon-containing substrate. The coaxial signal line comprises an inner conductor having a length, said length axially surrounded by, and insulated from, an outer conductor along said length. A method of preparing such an integrated circuit having said coaxial signal line formed at least partially within a silicon-containing substrate is also disclosed herein.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: September 13, 2005
    Assignee: International Business Machines Corporation
    Inventors: Claude Louis Bertin, Gordon Arthur Kelley, Dennis Arthur Schmidt, William Robert Tonti, Jerzy Maria Zalesinski
  • Patent number: 6818487
    Abstract: A semiconductor device is presented which includes a self-aligned, planarized thin-film transistor which can be used in various integrated circuit devices, such as static random access memory (SRAM) cells. The semiconductor device has a first field-effect transistor and a second field-effect transistor. The second field-effect transistor overlies the first field-effect transistor, and the first field-effect transistor and the second field-effect transistor share a common gate. The second field-effect transistor includes a source and a drain which are self-aligned to the shared gate in a layer of planarized semiconductor material above the first field-effect transistor. In one embodiment, the second field-effect transistor is a thin-film transistor, and the shared gate has a U-shape wrap-around configuration at a body of the thin-film transistor.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: November 16, 2004
    Assignee: International Business Machines Corporation
    Inventors: Louis L. Hsu, Jack Allan Mandelman, William Robert Tonti, Li-Kong Wang
  • Publication number: 20040051162
    Abstract: As disclosed herein, a structure and method is provided for forming an integrated circuit including a reduced programming voltage antifuse on a semiconductor substrate. The method includes doping a portion of a semiconductor substrate with nitrogen and a charge carrier dopant source, and forming a thin dielectric over the doped portion of the semiconductor substrate, wherein the thin dielectric is subject to breakdown upon application of a breakdown voltage. The method further includes forming a first conductor separated from the semiconductor substrate by the thin dielectric, and forming a second conductor conductively coupled to the doped portion of the semiconductor substrate.
    Type: Application
    Filed: September 13, 2002
    Publication date: March 18, 2004
    Applicants: INTERNATIONAL BUSINESS MACHINES CORPORATION, Infineon Technologies North America Corp.
    Inventors: Dureseti Chidambarrao, Ulrich Frey, Suryanarayan G. Hegde, William Robert Tonti
  • Patent number: 6693843
    Abstract: An apparatus and method for wordline voltage compensation in integrated memories is provided, where the apparatus includes an array threshold voltage (“VT”) monitor, a wordline on voltage (“Vpp”) generator in signal communication with the threshold voltage monitor for providing a wordline on voltage responsive to a change in the monitored array threshold voltage, and a wordline off voltage (“VWLL”) generator in signal communication with the threshold voltage monitor for providing a wordline off voltage responsive to a change in the monitored array threshold voltage; and where the corresponding method for compensating each of a wordline on signal and a wordline off signal in correspondence with an array threshold signal includes monitoring an array threshold signal, generating a wordline on signal responsive to the monitored array threshold signal, and generating a wordline off signal responsive to the monitored array threshold signal.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: February 17, 2004
    Assignees: Infineon Technologies AG, International Business Machines Corporation
    Inventors: Thomas M. Maffitt, Russell J. Houghton, Mark David Jacunski, William Robert Tonti, Kevin McStay
  • Publication number: 20040023449
    Abstract: A semiconductor device is presented which includes a self-aligned, planarized thin-film transistor which can be used in various integrated circuit devices, such as static random access memory (SRAM) cells. The semiconductor device has a first field-effect transistor and a second field-effect transistor. The second field-effect transistor overlies the first field-effect transistor, and the first field-effect transistor and the second field-effect transistor share a common gate. The second field-effect transistor includes a source and a drain which are self-aligned to the shared gate in a layer of planarized semiconductor material above the first field-effect transistor. In one embodiment, the second field-effect transistor is a thin-film transistor, and the shared gate has a U-shape wrap-around configuration at a body of the thin-film transistor.
    Type: Application
    Filed: July 31, 2003
    Publication date: February 5, 2004
    Applicant: International Business Machines Corporation
    Inventors: Louis L. Hsu, Jack Allan Mandelman, William Robert Tonti, Li-Kong Wang
  • Patent number: 6649935
    Abstract: A semiconductor device is presented which includes a self-aligned, planarized thin-film transistor which can be used in various integrated circuit devices, such as static random access memory (SRAM) cells. The semiconductor device has a first field-effect transistor and a second field-effect transistor. The second field-effect transistor overlies the first field-effect transistor, and the first field-effect transistor and the second field-effect transistor share a common gate. The second field-effect transistor includes a source and a drain which are self-aligned to the shared gate in a layer of planarized seminconductor material above the first field-effect transistor. In one embodiment, the second field-effect transistor is a thin-film transistor, and the shared gate has a U-shape wrap-around configuration at a body of the thin-film transistor.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 18, 2003
    Assignee: International Business Machines Corporation
    Inventors: Louis L. Hsu, Jack Allan Mandelman, William Robert Tonti, Li-Kong Wang
  • Publication number: 20030109090
    Abstract: Damascene or non-damascene processing when used with a method that includes (a) forming a mask having an opening therethrough on a structure, said opening having sidewalls; (b) implanting an inhibiting species into said structure through the opening so as to form an inhibiting region in said structure; and (c) growing a dielectric layer on the structure in said opening, wherein the inhibiting region partially inhibits growth of the dielectric layer is capable of forming a semiconductor structure, e.g., MOSFET or anti-fuse, including a dual thickness dielectric layer. Alternatively, the dual thickness dielectric can be formed by replacing the inhibiting species mentioned above with a dielectric growth enhancement species which forms an enhancing region in the structure which aids in the growth of the dielectric layer.
    Type: Application
    Filed: December 26, 2002
    Publication date: June 12, 2003
    Applicant: International Business Machines Corporation
    Inventors: Claude Louis Bertin, Anthony J. Dally, John Atkinson Fifield, John Jesse Higgins, Jack Allan Mandelman, William Robert Tonti, Nicholas Martin van Heel
  • Patent number: 6577156
    Abstract: A method and apparatus for initializing an integrated circuit using compressed data from a remote fusebox allows a reduction in the number of fuses required to repair or customize an integrated circuit and allows fuses to be grouped outside of the macros repaired by the fuses. The remote location of fuses allows flexibility in the placement of macros having redundant repair capability, as well as a preferable grouping of fuses for both programming convenience and circuit layout facilitation. The fuses are arranged in rows and columns and represent control words and run-length compressed data to provide a greater quantity of repair points per fuse. The data can be loaded serially into shift registers and shifted to the macro locations to control the selection of redundant circuits to repair integrated circuits having defects or to customize logic.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: June 10, 2003
    Assignee: International Business Machines Corporation
    Inventors: Darren L. Anand, John Edward Barth, Jr., John Atkinson Fifield, Pamela Sue Gillis, Peter O. Jakobsen, Douglas Wayne Kemerer, David E. Lackey, Steven Frederick Oakland, Michael Richard Ouellette, William Robert Tonti
  • Patent number: 6531410
    Abstract: Damascene or non-damascene processing when used with a method that includes (a) forming a mask having an opening therethrough on a structure, said opening having sidewalls; (b) implanting an inhibiting species into said structure through the opening so as to form an inhibiting region in said structure; and (c) growing a dielectric layer on the structure in said opening, wherein the inhibiting region partially inhibits growth of the dielectric layer is capable of forming a semiconductor structure, e.g., MOSFET or anti-fuse, including a dual thickness dielectric layer. Alternatively, the dual thickness dielectric can be formed by replacing the inhibiting species mentioned above with a dielectric growth enhancement species which forms an enhancing region in the structure which aids in the growth of the dielectric layer.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: March 11, 2003
    Assignee: International Business Machines Corporation
    Inventors: Claude Louis Bertin, Anthony J. Dally, John Atkinson Fifield, John Jesse Higgins, Jack Allan Mandelman, William Robert Tonti, Nicholas Martin van Heel
  • Publication number: 20020119637
    Abstract: Damascene or non-damascene processing when used with a method that includes (a) forming a mask having an opening therethrough on a structure, said opening having sidewalls; (b) implanting an inhibiting species into said structure through the opening so as to form an inhibiting region in said structure; and (c) growing a dielectric layer on the structure in said opening, wherein the inhibiting region partially inhibits growth of the dielectric layer is capable of forming a semiconductor structure, e.g., MOSFET or anti-fuse, including a dual thickness dielectric layer. Alternatively, the dual thickness dielectric can be formed by replacing the inhibiting species mentioned above with a dielectric growth enhancement species which forms an enhancing region in the structure which aids in the growth of the dielectric layer.
    Type: Application
    Filed: February 27, 2001
    Publication date: August 29, 2002
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Claude Louis Bertin, Anthony J. Dally, John Atkinson Fifield, John Jesse Higgins, Jack Allan Mandelman, William Robert Tonti, Nicholas Martin van Heel