Patents by Inventor Reinaldo Vega

Reinaldo Vega 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: 10096607
    Abstract: A structure comprises a first channel region forming an n-channel device; a second channel region forming a p-channel device, the p-channel device being stacked with the n-channel device in a vertical orientation; a gate positioned around the stacked n-channel device and p-channel device; and at least one source region and at least one drain region extending from each of the n-channel device and the p-channel device. Each of the at least one source region and the at least one drain region within the stacked n-channel device and p-channel device are independently contacted.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: October 9, 2018
    Assignee: International Business Machines Corporation
    Inventors: Michael A. Guillorn, Robert R. Robison, Reinaldo Vega, Rajasekhar Venigalla
  • Patent number: 10083865
    Abstract: A semiconductor structure is provided. The semiconductor includes a gate stack on a substrate. The semiconductor includes a first set of sidewall spacers on opposite sidewalls of the gate stack. The semiconductor includes a flowable dielectric layer on the substrate, covering at least a portion of the first set of sidewall spacers. The semiconductor includes a second set of sidewall spacers next to the first set of sidewall spacers covering an upper portion thereof, the second set of sidewall spacers are directly on top of the flowable dielectric layer. The semiconductor includes a contact next to at least one of the second set of sidewall spacers.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: September 25, 2018
    Assignee: International Business Machines Corporation
    Inventors: Emre Alptekin, Ravikumar Ramachandran, Viraj Y. Sardesai, Reinaldo A. Vega
  • Publication number: 20180254329
    Abstract: A method is presented for forming a nanosheet metal oxide semiconductor field effect transistor (MOSFET) structure. The method includes forming a heteroepitaxial film stack including at least one sacrificial layer and at least one channel layer, patterning the heteroepitaxial film stack, forming a dummy gate stack with sidewall spacers, and forming a cladded or embedded epitaxial source/drain material along the patterned heteroepitaxial film stack sidewalls. The method further includes removing the dummy gate stack, partially removing the at least one sacrificial layer, and forming a replacement gate stack.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 6, 2018
    Inventors: Michael A. Guillorn, Terence B. Hook, Nicolas J. Loubet, Robert R. Robison, Reinaldo A. Vega
  • Patent number: 10068991
    Abstract: Embodiments are directed to a method and resulting structures for smoothing the sidewall roughness of a post-etched film. A sacrificial layer is formed on a substrate. A patterned mask is formed by removing portions of the sacrificial layer to expose a surface of the substrate. The sidewalls of the patterned mask are smoothed and a target layer is formed over the patterned mask and the substrate. Portions of the target layer are removed to expose a surface of the patterned mask and the patterned mask is removed.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: September 4, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kafai Lai, Hari V. Mallela, Hiroyuki Miyazoe, Reinaldo A. Vega, Rajasekhar Venigalla
  • Publication number: 20180239016
    Abstract: A system and method are provided. The system includes a data reader having a processor for performing a signal frequency analysis, an ultrasound transmitter for transmitting ultrasound signals, and an ultrasound receiver for receiving reflected ultrasound signals. The system further includes a movable reflector for receiving the ultrasound signals and reflecting the ultrasounds signals back to the ultrasound receiver (a) as the reflected ultrasound signals without modulation when the movable reflector is stationary and (b) as the reflected ultrasound signals with modulation when the movable reflector is mobile. The system also includes a chip for storing a specification of motion states for the movable reflector.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 23, 2018
    Inventors: Li-Wen Hung, Reinaldo Vega
  • Publication number: 20180240894
    Abstract: Embodiments are directed to a method and resulting structures for smoothing the sidewall roughness of a post-etched film. A sacrificial layer is formed on a substrate. A patterned mask is formed by removing portions of the sacrificial layer to expose a surface of the substrate. The sidewalls of the patterned mask are smoothed and a target layer is formed over the patterned mask and the substrate. Portions of the target layer are removed to expose a surface of the patterned mask and the patterned mask is removed.
    Type: Application
    Filed: January 19, 2018
    Publication date: August 23, 2018
    Inventors: Kafai LAI, Hari V. MALLELA, Hiroyuki MIYAZOE, Reinaldo A. VEGA, Rajasekhar VENIGALLA
  • Publication number: 20180240892
    Abstract: Embodiments are directed to a method and resulting structures for smoothing the sidewall roughness of a post-etched film. A sacrificial layer is formed on a substrate. A patterned mask is formed by removing portions of the sacrificial layer to expose a surface of the substrate. The sidewalls of the patterned mask are smoothed and a target layer is formed over the patterned mask and the substrate. Portions of the target layer are removed to expose a surface of the patterned mask and the patterned mask is removed.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 23, 2018
    Inventors: Kafai Lai, Hari V. Mallela, Hiroyuki Miyazoe, Reinaldo A. Vega, Rajasekhar Venigalla
  • Publication number: 20180219083
    Abstract: A method of forming a nanosheet device, including forming a channel stack on a substrate, where the channel stack includes at least one nanosheet channel layer and at least one sacrificial release layer, forming a stack cover layer on at least a portion of the channel stack, forming a dummy gate on at least a portion of the stack cover layer, wherein at least a portion of the at least one nanosheet channel layer and at least one sacrificial release layer is exposed on opposite sides of the dummy gate, removing at least a portion of the at least one sacrificial release layer on each side of the dummy gate to form a sacrificial supporting rib, and forming an inner spacer layer on exposed portions of the at least one nanosheet channel layer and at least one sacrificial supporting rib.
    Type: Application
    Filed: October 30, 2017
    Publication date: August 2, 2018
    Inventors: Michael A. Guillorn, Terence B. Hook, Robert R. Robison, Reinaldo A. Vega, Rajasekhar Venigalla
  • Publication number: 20180219082
    Abstract: A method of forming a nanosheet device, including forming a channel stack on a substrate, where the channel stack includes at least one nanosheet channel layer and at least one sacrificial release layer, forming a stack cover layer on at least a portion of the channel stack, forming a dummy gate on at least a portion of the stack cover layer, wherein at least a portion of the at least one nanosheet channel layer and at least one sacrificial release layer is exposed on opposite sides of the dummy gate, removing at least a portion of the at least one sacrificial release layer on each side of the dummy gate to form a sacrificial supporting rib, and forming an inner spacer layer on exposed portions of the at least one nanosheet channel layer and at least one sacrificial supporting rib.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 2, 2018
    Inventors: Michael A. Guillorn, Terence B. Hook, Robert R. Robison, Reinaldo A. Vega, Rajasekhar Venigalla
  • Patent number: 10032885
    Abstract: A method includes removing a top portion of a substrate after implantation of a punch through stopper into the substrate; epitaxially growing undoped material on the substrate, thereby forming a channel; filling a top portion of the channel with an intermediate implant forming a vertically bi-modal dopant distribution, with one doping concentration peak in the top portion of the channel and another doping concentration peak in the punch through stopper; and patterning fins into the channel and the punch though stopper to form a finFET structure.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: July 24, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Gauri Karve, Robert R. Robison, Reinaldo A. Vega
  • Publication number: 20180204100
    Abstract: A data readout device is provided and includes a reflective base, reflective sidewalls disposed about the reflective base and an actuation system. The actuation system is configured to modify relative positioning of one of the reflective base and the reflective sidewalls to either reflect incoming radiation back toward an origin thereof or to reflect the incoming radiation away from the origin thereof.
    Type: Application
    Filed: November 13, 2017
    Publication date: July 19, 2018
    Inventors: EVAN G. COLGAN, FUAD E. DOANY, LI-WEN HUNG, REINALDO A. VEGA, BUCKNELL C. WEBB
  • Publication number: 20180190782
    Abstract: One example of an apparatus includes a conducting channel region. The conducting channel region includes a plurality of epitaxially grown, in situ doped conducting channels arranged in a spaced apart relation relative to each other. A source positioned at a first end of the conducting channel region, and a drain positioned at a second end of the conducting channel region. A gate surrounds all sides of the conducting channel region and fills in spaces between the plurality of epitaxially grown, in situ doped conducting channels.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 5, 2018
    Inventors: Ruqiang Bao, Michael A. Guillorn, Terence Hook, Robert R. Robison, Reinaldo Vega, Tenko Yamashita
  • Patent number: 10001561
    Abstract: A system and method are provided. The system includes a data reader having a processor for performing a signal frequency analysis, an ultrasound transmitter for transmitting ultrasound signals, and an ultrasound receiver for receiving reflected ultrasound signals. The system further includes a movable reflector for receiving the ultrasound signals and reflecting the ultrasounds signals back to the receiver (a) as the reflected ultrasound signals without modulation when the reflector is stationary and (b) as the reflected ultrasound signals with modulation when the reflector is mobile. The system also includes a chip for storing a specification of motion states for the reflector. The processor performs the signal frequency analysis to detect a presence or an absence of modulated frequency components in a received ultrasound signal and outputs a first value or a second value respectively depending upon whether the presence or the absence of the modulated frequency components is detected.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: June 19, 2018
    Assignee: International Business Machines Corporation
    Inventors: Li-Wen Hung, Reinaldo Vega
  • Patent number: 9997411
    Abstract: Embodiments of present disclosure provide methods of forming a resistor. One such method can include forming a first transistor structure and a second transistor structure on a semiconductor substrate, wherein the first transistor structure includes a dummy gate thereon; forming a mask on the first transistor structure; forming a metal gate on the second transistor structure; removing the mask, after the forming of the metal gate, to expose the first transistor structure; and siliciding a top portion of the dummy gate of the first transistor structure to yield a resistor.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: June 12, 2018
    Assignee: International Business Machines Corporation
    Inventors: Cung Tran, Emre Alptekin, Viraj Sardesai, Reinaldo Vega
  • Publication number: 20180138091
    Abstract: A method of forming a variable spacer in a vertical transistor device includes forming a first source/drain of a first transistor on a substrate; forming a second source/drain of a second transistor on the substrate adjacent to the first source/drain, an isolation region arranged in the substrate between the first source/drain and the second source/drain; depositing a spacer material on the first source/drain; depositing the spacer material on the second source/drain; forming a first channel extending from the first source drain and through the spacer material; forming a second channel extending from the second source/drain and through the spacer material; wherein the spacer material on the first source/drain forms a first spacer and the spacer material on the second source/drain forms a second spacer, the first spacer being different in thickness than the second spacer.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Hari V. Mallela, Reinaldo A. Vega, Rajasekhar Venigalla
  • Publication number: 20180114833
    Abstract: Semiconductor devices and methods of making the same include forming a stack of alternating layers of channel material and sacrificial material. The sacrificial material is etched away to free the layers of channel material. A gate stack is formed around the layers of channel material. At least one layer of channel material is deactivated. Source and drain regions are formed in contact with the at least one layer of active channel material.
    Type: Application
    Filed: October 20, 2016
    Publication date: April 26, 2018
    Inventors: Ruqiang Bao, Michael A. Guillorn, Terence B. Hook, Nicolas J. Loubet, Robert R. Robison, Reinaldo A. Vega, Tenko Yamashita
  • Patent number: 9929058
    Abstract: A method of forming a variable spacer in a vertical transistor device includes forming a first source/drain of a first transistor on a substrate; forming a second source/drain of a second transistor on the substrate adjacent to the first source/drain, an isolation region arranged in the substrate between the first source/drain and the second source/drain; depositing a spacer material on the first source/drain; depositing the spacer material on the second source/drain; forming a first channel extending from the first source drain and through the spacer material; forming a second channel extending from the second source/drain and through the spacer material; wherein the spacer material on the first source/drain forms a first spacer and the spacer material on the second source/drain forms a second spacer, the first spacer being different in thickness than the second spacer.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: March 27, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Hari V. Mallela, Reinaldo A. Vega, Rajasekhar Venigalla
  • Patent number: 9929047
    Abstract: A semiconductor structure is provided. The semiconductor includes a gate stack on a substrate. The semiconductor includes a first set of sidewall spacers on opposite sidewalls of the gate stack. The semiconductor includes a flowable dielectric layer on the substrate, covering at least a portion of the first set of sidewall spacers. The semiconductor includes a second set of sidewall spacers next to the first set of sidewall spacers covering an upper portion thereof, the second set of sidewall spacers are directly on top of the flowable dielectric layer. The semiconductor includes a contact next to at least one of the second set of sidewall spacers.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: March 27, 2018
    Assignee: International Business Machines Corporation
    Inventors: Emre Alptekin, Ravikumar Ramachandran, Viraj Y. Sardesai, Reinaldo A. Vega
  • Publication number: 20180068893
    Abstract: A semiconductor structure is provided. The semiconductor includes a gate stack on a substrate. The semiconductor includes a first set of sidewall spacers on opposite sidewalls of the gate stack. The semiconductor includes a flowable dielectric layer on the substrate, covering at least a portion of the first set of sidewall spacers. The semiconductor includes a second set of sidewall spacers next to the first set of sidewall spacers covering an upper portion thereof, the second set of sidewall spacers are directly on top of the flowable dielectric layer. The semiconductor includes a contact next to at least one of the second set of sidewall spacers.
    Type: Application
    Filed: October 30, 2017
    Publication date: March 8, 2018
    Inventors: Emre Alptekin, Ravikumar Ramachandran, Viraj Y. Sardesai, Reinaldo A. Vega
  • Patent number: 9911804
    Abstract: A fin field effect transistor device with air gaps, including a source/drain layer on a substrate, one or more vertical fin(s) in contact with source/drain layer, a gate metal fill that forms a portion of a gate structure on each of the one or more vertical fin(s), and a bottom void space between the source/drain layer and the gate metal fill.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: March 6, 2018
    Assignee: International Business Machines Corporation
    Inventors: Hari V. Mallela, Robert R. Robison, Reinaldo A. Vega, Rajasekhar Venigalla