Patents by Inventor Ran Yan

Ran Yan 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: 9312189
    Abstract: Methods for fabricating integrated circuits are provided. In an embodiment, a method for fabricating an integrated circuit includes providing a structure having an n-channel gate stack and a p-channel gate stack formed over a semiconductor substrate. The method includes forming halo implant regions in the semiconductor substrate adjacent the p-channel gate stack and forming extension implant regions in the semiconductor substrate adjacent the p-channel gate stack. The method further includes annealing the halo implant regions and the extension implant regions in the semiconductor substrate adjacent the p-channel gate stack by performing a laser anneal process. Also, the method forms extension implant regions in the semiconductor substrate adjacent the n-channel gate stack.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: April 12, 2016
    Assignee: GLOBALFOUNDRIES, INC.
    Inventors: Alban Zaka, Ran Yan, El Mehdi Bazizi, Jan Hoentschel
  • Publication number: 20160099336
    Abstract: Enlarging the dummy electrode to the STI top width size by OPC cut mask correction and the resulting device are disclosed. Embodiments include forming an STI region in a silicon substrate, the STI region having a top width; and forming a dummy electrode on the STI region and a gate electrode on the silicon substrate, the dummy electrode having a width greater than or equal to the STI region top width.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 7, 2016
    Inventors: Ran YAN, Jan HOENTSCHEL, Martin GERHARDT
  • Patent number: 9263270
    Abstract: Methods of forming a semiconductor device structure at advanced technology nodes and respective semiconductor device structures are provided at advanced technology nodes, i.e., smaller than 100 nm. In some illustrative embodiments, a fluorine implantation process for implanting fluorine at least into a polysilicon layer formed over a dielectric layer structure is performed prior to patterning the gate dielectric layer structure and the polysilicon layer for forming a gate structure and implanting source and drain regions at opposing sides of the gate structure.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: February 16, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Alban Zaka, Ran Yan, Nicolas Sassiat, El Mehdi Bazizi, Jan Hoentschel
  • Patent number: 9190516
    Abstract: A methodology for forming a compressive strain layer with increased thickness that exhibits improved device performance and the resulting device are disclosed. Embodiments may include forming a recess in a source or drain region of a substrate, implanting a high-dose impurity in a surface of the recess, and depositing a silicon-germanium (SiGe) layer in the recess.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: November 17, 2015
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ran Yan, Stefan Flachowsky, Alban Zaka, Jan Hoentschel
  • Publication number: 20150287646
    Abstract: Methods for fabricating integrated circuits are provided. In an embodiment, a method for fabricating an integrated circuit includes providing a structure having an n-channel gate stack and a p-channel gate stack formed over a semiconductor substrate. The method includes forming halo implant regions in the semiconductor substrate adjacent the p-channel gate stack and forming extension implant regions in the semiconductor substrate adjacent the p-channel gate stack. The method further includes annealing the halo implant regions and the extension implant regions in the semiconductor substrate adjacent the p-channel gate stack by performing a laser anneal process. Also, the method forms extension implant regions in the semiconductor substrate adjacent the n-channel gate stack.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 8, 2015
    Applicant: GLOBALFOUNDRIES, Inc.
    Inventors: Alban Zaka, Ran Yan, El Mehdi Bazizi, Jan Hoentschel
  • Publication number: 20150287782
    Abstract: Integrated circuits and methods for fabricating integrated circuits are provided. In an embodiment, a method includes providing a semiconductor substrate, defining a length on the semiconductor substrate corresponding to opposing vertices of a nanowire, removing a portion of the semiconductor substrate to provide a first fin structure and a second fin structure, etching a first cavity proximate to the first side, depositing a protective layer in the first cavity, removing a portion of the protective layer to expose a portion of the semiconductor substrate, and etching a second cavity at the exposed semiconductor substrate where the first and second cavities communicate. The first and second fin structures are adjacent where the length of the first fin structure corresponds to the opposing vertices and has a first side and a second side.
    Type: Application
    Filed: April 7, 2014
    Publication date: October 8, 2015
    Applicant: GLOBALFOUNDRIES, Inc.
    Inventors: Nicolas Sassiat, Ran Yan, Kun-Hsien Lin, Jan Hoentschel
  • Patent number: 9136266
    Abstract: In various aspects, methods of forming a semiconductor device and semiconductor devices are provided. In some illustrative embodiments herein, a silicon/germanium layer is provided on a semiconductor substrate. On the silicon/germanium layer, at least one insulating material layer is formed. After having performed a thermal annealing process, the at least one insulating material layer is removed in subsequent process sequences such that the silicon/germanium layer is at least partially exposed. In further processing sequences which are to be subsequently applied, a gate electrode is formed on the exposed silicon/germanium layer.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: September 15, 2015
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Ran Yan, Nicolas Sassiat, Jan Hoentschel, Torben Balzer
  • Publication number: 20150243787
    Abstract: A methodology for forming a compressive strain layer with increased thickness that exhibits improved device performance and the resulting device are disclosed. Embodiments may include forming a recess in a source or drain region of a substrate, implanting a high-dose impurity in a surface of the recess, and depositing a silicon-germanium (SiGe) layer in the recess.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 27, 2015
    Applicant: GLOBALFOUNDRIES Inc.
    Inventors: Ran YAN, Stefan FLACHOWSKY, Alban ZAKA, Jan HOENTSCHEL
  • Patent number: 9087716
    Abstract: The present disclosure provides an improved method for forming a thin semiconductor alloy layer on top of a semiconductor layer. The proposed method relies on an implantation of appropriate impurity species before performing deposition of the semiconductor alloy film. The implanted species cause the semiconductor alloy layer to be less unstable to wet and dry etches performed on the device surface after deposition. Thus, the thickness uniformity of the semiconductor alloy film may be substantially increased if the film is deposited after performing the implantation. On the other hand, some implanted impurities have been found to decrease the growth rate of the semiconductor alloy layer. Thus, by selectively implanting appropriate impurities in predetermined portions of a wafer, a single deposition step may be used in order to form a semiconductor alloy layer with a thickness which may be locally adjusted at will.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: July 21, 2015
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Ran Yan, Joerg Schoenekess, Jan Hoentschel
  • Publication number: 20150187909
    Abstract: A method for fabricating an integrated circuit includes providing a silicon semiconductor substrate including a single-crystal crystallography, removing a portion of the semiconductor substrate to form a fin structure, the fin structure being defined by adjacent trenches formed within the semiconductor substrate, and forming an insulating material in the trenches, the insulating material covering a first portion of the fin and leaving a second portion of the fin exposed. The method further includes applying a wet etchant to the second portion of the fin, the wet etchant including an etching chemistry that selectively etches the fin against a <111> crystallographic orientation of the single-crystal silicon.
    Type: Application
    Filed: December 30, 2013
    Publication date: July 2, 2015
    Applicant: GLOBAL FOUNDRIES, Inc.
    Inventors: Ran Yan, Alban Zaka, Jan Hoentschel, LIN Kun-Hsien
  • Publication number: 20150162439
    Abstract: An illustrative semiconductor device disclosed herein includes a semiconductor substrate. The semiconductor substrate includes a first semiconductor material. In the first semiconductor material, a recess is provided. The recess is filled with a second semiconductor material having a different composition than the first semiconductor material. The semiconductor device further includes a first transistor including a source region, a drain region, a gate electrode and a channel region below the gate electrode. The channel region is arranged at two or more laterally opposite sides of the drain region. The source region is arranged at two or more laterally opposite sides of the channel region. The drain region includes a low doped drift region and a highly doped region. A dopant concentration in the low doped drift region is at least one of smaller than a dopant concentration in the highly doped region and approximately zero. At least the low doped drift region is provided in the second semiconductor material.
    Type: Application
    Filed: December 6, 2013
    Publication date: June 11, 2015
    Applicant: Global Foundries Inc.
    Inventors: Jan Hoentschel, Ran Yan, Stefan Flachowsky, Sven Beyer
  • Publication number: 20150145000
    Abstract: Integrated circuits with electrical components near shallow trench isolations and methods for producing such integrated circuits are provided. The method includes forming a trench is a substrate, where the trench has a trench surface. A barrier layer including silicon and germanium is formed overlying the trench surface. A shallow trench isolation is then formed with a core overlying the barrier layer, where the core includes a shallow trench isolation insulator.
    Type: Application
    Filed: November 27, 2013
    Publication date: May 28, 2015
    Applicant: GLOBALFOUNDRIES, Inc.
    Inventors: Ran Yan, Nicolas Sassiat, Alban Zaka, Kun-Hsien Lin
  • Patent number: 9029214
    Abstract: Integrated circuits and methods for fabricating integrated circuits are provided herein. In an embodiment, a method for fabricating an integrated circuit includes forming over a semiconductor substrate a gate structure. The method further includes depositing a non-conformal spacer material around the gate structure. A protection mask is formed over the non-conformal spacer material. The method etches the non-conformal spacer material and protection mask to form a salicidation spacer. Further, a self-aligned silicide contact is formed adjacent the salicidation spacer.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: May 12, 2015
    Assignee: GLOBALFOUNDRIES, Inc.
    Inventors: Jan Hoentschel, Stefan Flachowsky, Nicolas Sassiat, Ran Yan
  • Patent number: 8999803
    Abstract: A method for fabricating an integrated circuit includes forming a first gate electrode structure above a first active region and a second gate electrode structure above a second active region, forming a sacrificial spacer on sidewalls of the first and second gate electrode structures, and forming deep drain and source regions selectively in the first and second active regions by using the sacrificial spacer as an implantation mask. The method further includes forming drain and source extension and halo regions in the first and second active regions after removal of the sacrificial spacer and forming a fluorine implant region in the halo region of the first active region before or after formation of the drain and source extension and halo regions.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: April 7, 2015
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Nicolas Sassiat, Shiang Yang Ong, Ran Yan, Torben Balzer
  • Publication number: 20150076618
    Abstract: Methods and apparatus are provided for an integrated circuit. The method includes forming a corrugation mask on a substrate, and forming a channel corrugation on the substrate. The corrugation mask is removed from the substrate, and a gate insulator is formed overlying the channel corrugation on the substrate. A gate is formed overlying the channel gate insulator.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 19, 2015
    Applicant: GLOBALFOUNDRIES, Inc.
    Inventors: Ran Yan, Nicolas Sassiat, Ralf Richter, Jan Hoentschel
  • Patent number: 8951877
    Abstract: When forming cavities in active regions of semiconductor devices in order to incorporate a strain-inducing semiconductor material, an improved shape of the cavities may be achieved by using an amorphization process and a heat treatment so as to selectively modify the etch behavior of exposed portions of the active regions and to adjust the shape of the amorphous regions. In this manner, the basic configuration of the cavities may be adjusted with a high degree of flexibility. Consequently, the efficiency of the strain-inducing technique may be improved.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: February 10, 2015
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Nicolas Sassiat, Carsten Grass, Jan Hoentschel, Ran Yan, Ralf Richter
  • Publication number: 20150021703
    Abstract: In various aspects, methods of forming a semiconductor device and semiconductor devices are provided. In some illustrative embodiments herein, a silicon/germanium layer is provided on a semiconductor substrate. On the silicon/germanium layer, at least one insulating material layer is formed. After having performed a thermal annealing process, the at least one insulating material layer is removed in subsequent process sequences such that the silicon/germanium layer is at least partially exposed. In further processing sequences which are to be subsequently applied, a gate electrode is formed on the exposed silicon/germanium layer.
    Type: Application
    Filed: July 16, 2013
    Publication date: January 22, 2015
    Inventors: Ran Yan, Nicolas Sassiat, Jan Hoentschel, Torben Balzer
  • Publication number: 20150014777
    Abstract: The present disclosure provides an improved method for forming a thin semiconductor alloy layer on top of a semiconductor layer. The proposed method relies on an implantation of appropriate impurity species before performing deposition of the semiconductor alloy film. The implanted species cause the semiconductor alloy layer to be less unstable to wet and dry etches performed on the device surface after deposition. Thus, the thickness uniformity of the semiconductor alloy film may be substantially increased if the film is deposited after performing the implantation. On the other hand, some implanted impurities have been found to decrease the growth rate of the semiconductor alloy layer. Thus, by selectively implanting appropriate impurities in predetermined portions of a wafer, a single deposition step may be used in order to form a semiconductor alloy layer with a thickness which may be locally adjusted at will.
    Type: Application
    Filed: July 15, 2013
    Publication date: January 15, 2015
    Inventors: Ran Yan, Joerg Schoenekess, Jan Hoentschel
  • Patent number: 8916430
    Abstract: A method for fabricating an integrated circuit includes forming a first gate electrode structure above a first active region and a second gate electrode structure above a second active region, forming a sacrificial spacer on sidewalls of the first and second gate electrode structures, and forming deep drain and source regions selectively in the first and second active regions by using the sacrificial spacer as an implantation mask. The method further includes forming drain and source extension and halo regions in the first and second active regions after removal of the sacrificial spacer and forming a nitrogen implant region in the halo region of the first active region after formation of the drain and source extension and halo regions.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: December 23, 2014
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Ran Yan, Jan Hoentschel, Shiang Yang Ong
  • Publication number: 20140361385
    Abstract: Methods of forming a semiconductor device structure at advanced technology nodes and respective semiconductor device structures are provided at advanced technology nodes, i.e., smaller than 100 nm. In some illustrative embodiments, a fluorine implantation process for implanting fluorine at least into a polysilicon layer formed over a dielectric layer structure is performed prior to patterning the gate dielectric layer structure and the polysilicon layer for forming a gate structure and implanting source and drain regions at opposing sides of the gate structure.
    Type: Application
    Filed: June 6, 2013
    Publication date: December 11, 2014
    Inventors: Alban Zaka, Ran Yan, Nicolas Sassiat, El Mehdi Bazizi, Jan Hoentschel