Patents by Inventor Rafael Rios

Rafael Rios 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: 20190252020
    Abstract: A two transistor, one resistor gain cell and a suitable storage element are described. In some embodiments the gain cell has a resistive memory element coupled to a common node at one end to store a value and to a source line at another end, the value being read as conductivity between the common node and the source line of the resistive memory element, a write transistor having a source coupled to a bit line, a gate coupled to a write line, and a drain coupled to the common node to write a value at the bit line to the resistive memory element upon setting the write line high, and a read transistor having a source coupled to a bit line read line and a gate coupled to the common node to read the value written to the resistive memory element as a value at the second transistor gate.
    Type: Application
    Filed: September 30, 2016
    Publication date: August 15, 2019
    Inventors: Rafael RIOS, Abhishek Anil SHARMA, Van H. LE, Gilbert William DEWEY, Jack T. KAVALIEROS
  • Publication number: 20190214461
    Abstract: A nanowire device having a plurality of internal spacers and a method for forming said internal spacers are disclosed. In an embodiment, a semiconductor device comprises a nanowire stack disposed above a substrate, the nanowire stack having a plurality of vertically-stacked nanowires, a gate structure wrapped around each of the plurality of nanowires, defining a channel region of the device, the gate structure having gate sidewalls, a pair of source/drain regions on opposite sides of the channel region; and an internal spacer on a portion of the gate sidewall between two adjacent nanowires, internal to the nanowire stack. In an embodiment, the internal spacers are formed by depositing spacer material in dimples etched adjacent to the channel region. In an embodiment, the dimples are etched through the channel region. In another embodiment, the dimples are etched through the source/drain region.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 11, 2019
    Inventors: Seiyon KIM, Kelin J. KUHN, Tahir GHANI, Anand S. MURTHY, Mark ARMSTRONG, Rafael RIOS, Abhijit Jayant PETHE, Willy RACHMADY
  • Publication number: 20190214466
    Abstract: An embodiment includes a device comprising: a substrate; a dielectric layer on the substrate and including a trench; a first portion of the trench including a first material that comprises at least one of a group III-V material and a group IV material; and a second portion of the trench, located between the first portion and the substrate, which includes a second material and an upper region and a lower region; wherein: (a)(i) the second material in the upper region has fewer defects than the second material in the lower region, and (a)(ii) the first material is strained. Other embodiments are described herein.
    Type: Application
    Filed: September 30, 2016
    Publication date: July 11, 2019
    Inventors: Benjamin Chu-Kung, Van H. Le, Ashish Agrawal, Jack T. Kavalieros, Matthew V. Metz, Seung Hoon Sung, Rafael Rios, Gilbert Dewey
  • Patent number: 10340275
    Abstract: A thin film transistor is deposited over a portion of a metal layer over a substrate. A memory element is coupled to the thin film transistor to provide a first memory cell. A second memory cell is over the first memory. A logic block is coupled to at least the first memory cell.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: July 2, 2019
    Assignee: Intel Corporation
    Inventors: Elijah V. Karpov, Jack T. Kavalieros, Robert S. Chau, Niloy Mukherjee, Rafael Rios, Prashant Majhi, Van H. Le, Ravi Pillarisetty, Uday Shah, Gilbert Dewey, Marko Radosavljevic
  • Publication number: 20190198675
    Abstract: Embodiments of the present disclosure describe a non-planar gate thin film transistor. An integrated circuit may include a plurality of layers formed on a substrate, and the plurality of layers may include a first one of a source or drain, an inter-layer dielectric (ILD) formed on the first one of the source or drain, and a second one of the source or drain formed on the ILD. A semiconductive layer may be formed on a sidewall of the plurality of layers. A gate dielectric layer formed on the semiconductive layer, and a gate may be in contact with the gate dielectric layer.
    Type: Application
    Filed: September 27, 2016
    Publication date: June 27, 2019
    Inventors: ABHISHEK A. SHARMA, VAN H. LE, GILBERT DEWEY, RAFAEL RIOS, JACK T. KAVALIEROS, YIH WANG, SHRIRAM SHIVARAMAN
  • Publication number: 20190172921
    Abstract: In accordance with disclosed embodiments, there are provided systems, methods, and apparatuses for implementing a high mobility low contact resistance semiconducting oxide in metal contact vias for thin film transistors.
    Type: Application
    Filed: September 30, 2016
    Publication date: June 6, 2019
    Inventors: Gilbert DEWEY, Van H. LE, Rafael RIOS, Jack T. KAVALIEROS, Shriram SHIVARAMAN
  • Patent number: 10283589
    Abstract: A nanowire device having a plurality of internal spacers and a method for forming said internal spacers are disclosed. In an embodiment, a semiconductor device comprises a nanowire stack disposed above a substrate, the nanowire stack having a plurality of vertically-stacked nanowires, a gate structure wrapped around each of the plurality of nanowires, defining a channel region of the device, the gate structure having gate sidewalls, a pair of source/drain regions on opposite sides of the channel region; and an internal spacer on a portion of the gate sidewall between two adjacent nanowires, internal to the nanowire stack. In an embodiment, the internal spacers are formed by depositing spacer material in dimples etched adjacent to the channel region. In an embodiment, the dimples are etched through the channel region. In another embodiment, the dimples are etched through the source/drain region.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: May 7, 2019
    Assignee: Intel Corporation
    Inventors: Seiyon Kim, Kelin J. Kuhn, Tahir Ghani, Anand S. Murthy, Mark Armstrong, Rafael Rios, Abhijit Jayant Pethe, Willy Rachmady
  • Publication number: 20190131437
    Abstract: Integrated circuit dies having multi-gate, non-planar transistors built into a back-end-of-line portion of the die are described. In an example, non-planar transistors include an amorphous oxide semiconductor (AOS) channel extending between a source module and a drain module. A gate module may extend around the AOS channel to control electrical current flow between the source module and the drain module. The AOS channel may include an AOS layer having indium gallium zinc oxide.
    Type: Application
    Filed: June 30, 2016
    Publication date: May 2, 2019
    Inventors: Van Hoang LE, Gilbert William DEWEY, Marko RADOSAVLJEVIC, Rafael RIOS, Jack T. KAVALIEROS
  • Publication number: 20190131187
    Abstract: A monocrystalline semiconductor layer is formed on a conductive layer on an insulating layer on a substrate. The conductive layer is a part of an interconnect layer. The monocrystalline semiconductor layer extends laterally on the insulating layer. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: June 28, 2016
    Publication date: May 2, 2019
    Inventors: Van H. LE, Marko RADOSAVLJEVIC, Benjamin CHU-KUNG, Rafael RIOS, Gilbert DEWEY
  • Patent number: 10249742
    Abstract: A method including forming a non-planar conducting channel of a device between junction regions on a substrate, the substrate including a blocking material beneath the channel, the blocking material including a property to inhibit carrier leakage; and forming a gate stack on the channel, the gate stack including a dielectric material and a gate electrode. A method including forming a buffer material on a semiconductor substrate, the buffer material including a semiconductor material including a different lattice structure than the substrate; forming a blocking material on the buffer material, the blocking material including a property to inhibit carrier leakage; and forming a transistor device on the substrate. An apparatus including a non-planar multi-gate device on a substrate including a transistor device including a channel disposed on a substrate including a blocking material beneath the channel, the blocking material including a property to inhibit carrier leakage.
    Type: Grant
    Filed: June 27, 2015
    Date of Patent: April 2, 2019
    Assignee: Intel Corporation
    Inventors: Van H. Le, Gilbert Dewey, Benjamin Chu-Kung, Ashish Agrawal, Matthew V. Metz, Willy Rachmady, Marc C. French, Jack T. Kavalieros, Rafael Rios, Seiyon Kim, Seung Hoon Sung, Sanaz K. Gardner, James M. Powers, Sherry R. Taft
  • Publication number: 20190058043
    Abstract: Disclosed herein are transistor gate-channel arrangements, and related methods and devices. For example, in some embodiments, a transistor gate-channel arrangement may include a channel material and a transistor gate stack. The transistor gate stack may include a gate electrode material, a high-k dielectric disposed between the gate electrode material and the channel material, and indium gallium zinc oxide (IGZO) disposed between the high-k dielectric material and the channel material.
    Type: Application
    Filed: March 30, 2016
    Publication date: February 21, 2019
    Applicant: Intel Corporation
    Inventors: Gilbert W. Dewey, Rafael Rios, Shriram Shivaraman, Marko Radosavljevic, Kent E. Millard, Marc C. French, Van H. Le
  • Publication number: 20190051725
    Abstract: A nanowire device having a plurality of internal spacers and a method for forming said internal spacers are disclosed. In an embodiment, a semiconductor device comprises a nanowire stack disposed above a substrate, the nanowire stack having a plurality of vertically-stacked nanowires, a gate structure wrapped around each of the plurality of nanowires, defining a channel region of the device, the gate structure having gate sidewalls, a pair of source/drain regions on opposite sides of the channel region; and an internal spacer on a portion of the gate sidewall between two adjacent nanowires, internal to the nanowire stack. In an embodiment, the internal spacers are formed by depositing spacer material in dimples etched adjacent to the channel region. In an embodiment, the dimples are etched through the channel region. In another embodiment, the dimples are etched through the source/drain region.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 14, 2019
    Inventors: Seiyon KIM, Kelin J. KUHN, Tahir GHANI, Anand S. MURTHY, Mark ARMSTRONG, Rafael RIOS, Abhijit Jayant PETHE, Willy RACHMADY
  • Publication number: 20190035921
    Abstract: An embodiment includes a field effect transistor, comprising: a source region comprising a first III-V material doped to a first conductivity type; a drain region comprising a second III-V material doped to a second conductivity type that is opposite the first conductivity type; a gate electrode disposed over a channel region comprising a third III-V material; and a first spacer, between the channel and drain regions, comprising a fourth III-V material having a charge carrier-blocking band offset from the third III-V material. Other embodiments are described herein.
    Type: Application
    Filed: March 31, 2016
    Publication date: January 31, 2019
    Inventors: Cheng-Ying Huang, Willy Rachmady, Jack T. Kavalieros, Matthew V. Metz, Benjamin Chu-Kung, Gilbert Dewey, Rafael Rios
  • Publication number: 20180374928
    Abstract: Embodiments of the present disclosure describe semiconductor devices comprised of a semiconductor substrate with a metal oxide semiconductor field effect transistor having a channel including germanium or silicon-germanium, where a dielectric layer is coupled to the channel. The dielectric layer may include a metal oxide and at least one additional element, where the at least one additional element may increase a band gap of the dielectric layer. A gate electrode may be coupled to the dielectric layer. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 27, 2018
    Inventors: GILBERT DEWEY, ASHISH AGRAWAL, BENJAMIN CHU-KUNG, VAN H. LE, MATTHEW V. METZ, WILLY RACHMADY, JACK T. KAVALIEROS, RAFAEL RIOS
  • Publication number: 20180366587
    Abstract: Embodiments of the invention include non-planar InGaZnO (IGZO) transistors and methods of forming such devices. In an embodiment, the IGZO transistor may include a substrate and source and drain regions formed over the substrate. According to an embodiment, an IGZO layer may be formed above the substrate and may be electrically coupled to the source region and the drain region. Further embodiments include a gate electrode that is separated from the IGZO layer by a gate dielectric. In an embodiment, the gate dielectric contacts more than one surface of the IGZO layer. In one embodiment, the IGZO transistor is a finfet transistor. In another embodiment the IGZO transistor is a nanowire or a nanoribbon transistor. Embodiments of the invention may also include a non-planar IGZO transistor that is formed in the back end of line stack (BEOL) of an integrated circuit chip.
    Type: Application
    Filed: December 23, 2015
    Publication date: December 20, 2018
    Inventors: Van H. LE, Gilbert DEWEY, Rafael RIOS, Jack T. KAVALIEROS, Marko RADOSAVLJEVIC, Kent E. MILLARD, Marc C. FRENCH, Ashish AGRAWAL, Benjamin CHU-KUNG, Ryan E. ARCH
  • Publication number: 20180358467
    Abstract: Non-planar semiconductor devices having hybrid geometry-based active regions are described. For example, a semiconductor device includes a hybrid channel region including a nanowire portion disposed above an omega-FET portion disposed above a fin-FET portion. A gate stack is disposed on exposed surfaces of the hybrid channel region. The gate stack includes a gate dielectric layer and a gate electrode disposed on the gate dielectric layer. Source and drain regions are disposed on either side of the hybrid channel region.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 13, 2018
    Inventors: Seiyon KIM, Rafael RIOS, Fahmida FERDOUSI, Kelin J. KUHN
  • Publication number: 20180323264
    Abstract: Embodiments of the invention include non-planar InGaZnO (IGZO) transistors and methods of forming such devices. In an embodiment, the IGZO transistor may include a substrate and an IGZO fin formed above the substrate. Embodiments may include a source contact and a drain contact that are formed adjacent to more than one surface of the IGZO fin. Additionally, embodiments may include a gate electrode formed between the source contact and the drain contact. The gate electrode may be separated from the IGZO layer by a gate dielectric. In one embodiment, the IGZO transistor is a fmfet transistor. In another embodiment the IGZO transistor is a nanowire or a nanoribbon transistor. Embodiments of the invention may also include a non-planar IGZO transistor that is formed in the back end of line stack (BEOL) of an integrated circuit chip.
    Type: Application
    Filed: December 23, 2015
    Publication date: November 8, 2018
    Inventors: Van H. LE, Rafael RIOS, Gilbert DEWEY, Jack T. KAVALIEROS, Marko RADOSAVLJEVIC
  • Patent number: 10121856
    Abstract: A nanowire device having a plurality of internal spacers and a method for forming said internal spacers are disclosed. In an embodiment, a semiconductor device comprises a nanowire stack disposed above a substrate, the nanowire stack having a plurality of vertically-stacked nanowires, a gate structure wrapped around each of the plurality of nanowires, defining a channel region of the device, the gate structure having gate sidewalls, a pair of source/drain regions on opposite sides of the channel region; and an internal spacer on a portion of the gate sidewall between two adjacent nanowires, internal to the nanowire stack. In an embodiment, the internal spacers are formed by depositing spacer material in dimples etched adjacent to the channel region. In an embodiment, the dimples are etched through the channel region. In another embodiment, the dimples are etched through the source/drain region.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 6, 2018
    Assignee: Intel Corporation
    Inventors: Seiyon Kim, Kelin J. Kuhn, Tahir Ghani, Anand S. Murthy, Mark Armstrong, Rafael Rios, Abhijit Jayant Pethe, Willy Rachmady
  • Patent number: 10115822
    Abstract: Methods of forming a strained channel device utilizing dislocations disposed in source/drain structures are described. Those methods/structures may include forming a source/drain region in a substrate of a device, and forming an alloy in the source/drain region, wherein the alloy comprises a material that decreases a band gap between source/drain contacts and the source/drain regions to substantially zero. The embodiments herein reduce an external parasitic resistance of the device.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 30, 2018
    Assignee: Intel Corporation
    Inventors: Rafael Rios, Roza Kotlyar, Kelin Kuhn
  • Patent number: 10074573
    Abstract: Complimentary metal-oxide-semiconductor nanowire structures are described. For example, a semiconductor structure includes a first semiconductor device. The first semiconductor device includes a first nanowire disposed above a substrate. The first nanowire has a mid-point a first distance above the substrate and includes a discrete channel region and source and drain regions on either side of the discrete channel region. A first gate electrode stack completely surrounds the discrete channel region of the first nanowire. The semiconductor structure also includes a second semiconductor device. The second semiconductor device includes a second nanowire disposed above the substrate. The second nanowire has a mid-point a second distance above the substrate and includes a discrete channel region and source and drain regions on either side of the discrete channel region. The first distance is different from the second distance.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: September 11, 2018
    Assignee: Intel Corporation
    Inventors: Seiyon Kim, Kelin J. Kuhn, Tahir Ghani, Anand S. Murthy, Annalisa Cappellani, Stephen M. Cea, Rafael Rios, Glenn A. Glass