Patents by Inventor Pradeep Ramachandramurthy Yelehanka

Pradeep Ramachandramurthy Yelehanka 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: 20150048509
    Abstract: A wafer bonding layer and a process for using the same for bonding wafers are presented. The wafer bonding process includes providing a first wafer, providing a second type wafer and providing a water bonding layer. The wafer bonding layer is provided separately on a contact surface layer of the first or second wafer as part of a CMOS compatible processing recipe.
    Type: Application
    Filed: August 14, 2014
    Publication date: February 19, 2015
    Inventors: Ranganathan NAGARAJAN, Fu Chuen TAN, Kia Hwee Samuel LOW, Chun Hoe YIK, Jiaqi WU, Jingze TIAN, Pradeep Ramachandramurthy YELEHANKA, Rakesh KUMAR
  • Patent number: 8536705
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: September 17, 2013
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Patent number: 8513767
    Abstract: A method for forming a device is disclosed. A support substrate having first and second major surfaces is provided. An interconnect is formed through the first and second major surfaces in the support substrate. The interconnect has first and second portions. The first portion extends from one of the first or second major surfaces and the second portion extends from the other of the first and second major surfaces. The interconnect includes a partial via plug having a conductive material in a first portion of the interconnect. The via plug has a bottom at about an interface of the first and second portions. The second portion of the interconnect is heavily doped with dopants of a first polarity type.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: August 20, 2013
    Assignee: Globalfoundries Singapore Pte. Ltd.
    Inventors: Rama Krishna Kotlanka, Rakesh Kumar, Premachandran Chirayarikathuveedu Sankarapillai, Pradeep Ramachandramurthy Yelehanka
  • Patent number: 8394724
    Abstract: A method for forming device features with reduced line end shortening (LES) includes trimming the device feature to achieve the desired sub-ground rule critical dimension during the etch to form the device feature.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: March 12, 2013
    Assignee: Globalfoundries Singapore Pte. Ltd.
    Inventors: Hai Cong, Wei Loong Loh, Krishan Gopal, Xin Zhang, Mei Sheng Zhou, Pradeep Ramachandramurthy Yelehanka
  • Publication number: 20130034954
    Abstract: An integrated circuit method for manufacturing an integrated circuit system including loading a wafer into a processing chamber and pre-purging the processing chamber with a first ammonia gas. Depositing a first nitride layer over the wafer and purging the processing chamber with a second ammonia gas. Depositing a second nitride layer over the first nitride layer that is misaligned with the first nitride layer. Post-purging the processing chamber with a third ammonia gas and purging the processing chamber with a nitrogen gas.
    Type: Application
    Filed: October 8, 2012
    Publication date: February 7, 2013
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Sripad Sheshagiri Nagarad, Hwa Weng Koh, Dong Kyun Sohn, Xiaoyu Chen, Louis Lim, Sung Mun Jung, Chiew Wah Yap, Pradeep Ramachandramurthy Yelehanka, Nitin Kamat
  • Patent number: 8304834
    Abstract: An integrated circuit is provided. A gate dielectric and a gate are provided respectively on and over a semiconductor substrate. A junction is formed adjacent the gate dielectric and a shaped spacer is formed around the gate. A spacer is formed under the shaped spacer and a liner is formed under the spacer. A first dielectric layer is formed over the semiconductor substrate, the shaped spacer, the spacer, the liner, and the gate. A second dielectric layer is formed over the first dielectric layer. A local interconnect opening is formed in the second dielectric layer down to the first dielectric layer. The local interconnect opening in the first dielectric layer is opened to expose the junction in the semiconductor substrate and the first gate. The local interconnect openings in the first and second dielectric layers are filled with a conductive material.
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: November 6, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Tong Qing Chen, Zhi Yong Han, Jia Zhen Zheng, Kelvin Ong, Tian Hao Gu, Syn Kean Cheah
  • Patent number: 8283263
    Abstract: An integrated circuit method for manufacturing an integrated circuit system including loading a wafer into a processing chamber and pre-purging the processing chamber with a first ammonia gas. Depositing a first nitride layer over the wafer and purging the processing chamber with a second ammonia gas. Depositing a second nitride layer over the first nitride layer that is misaligned with the first nitride layer. Post-purging the processing chamber with a third ammonia gas and purging the processing chamber with a nitrogen gas.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: October 9, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Sripad Sheshagiri Nagarad, Hwa Weng Koh, Dong Kyun Sohn, Xiaoyu Chen, Louis Lim, Sung Mun Jung, Chiew Wah Yap, Pradeep Ramachandramurthy Yelehanka, Nitin Kamat
  • Publication number: 20120241901
    Abstract: A method for forming a device is disclosed. A support substrate having first and second major surfaces is provided. An interconnect is formed through the first and second major surfaces in the support substrate. The interconnect has first and second portions. The first portion extends from one of the first or second major surfaces and the second portion extends from the other of the first and second major surfaces. The interconnect includes a partial via plug having a conductive material in a first portion of the interconnect. The via plug has a bottom at about an interface of the first and second portions. The second portion of the interconnect is heavily doped with dopants of a first polarity type.
    Type: Application
    Filed: March 21, 2011
    Publication date: September 27, 2012
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Rama Krishna KOTLANKA, Rakesh KUMAR, Premachandran CHIRAYARIKATHUVEEDU SANKARAPILLAI, Pradeep Ramachandramurthy YELEHANKA
  • Publication number: 20120205806
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Application
    Filed: April 25, 2012
    Publication date: August 16, 2012
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Pradeep Ramachandramurthy YELEHANKA, Denise TAN, Chung Meng LEK, Thomas THIAM, Jeffrey C. LAM, Liang-Choo HSIA
  • Patent number: 8236646
    Abstract: A method for manufacturing an integrated circuit structure includes providing a semiconductor substrate and forming two trenches in the semiconductor substrate to define an active region therebetween. An implanted source region is formed in one of the trenches on one side of the active region. An implanted drain region is formed in the other trench on the other side of the active region. Shallow trench isolations are then formed in the trenches. One or more gates are formed over the active region, and contacts to the implanted source region and the implanted drain region are formed.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: August 7, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Tze Ho Simon Chan, Weining Li, Elgin Quek, Jia Zhen Zheng, Pradeep Ramachandramurthy Yelehanka, Tommy Lai
  • Patent number: 8236688
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 7, 2012
    Assignee: Globalfoundries Singapore Pte. Ltd.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Publication number: 20110237072
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Application
    Filed: June 13, 2011
    Publication date: September 29, 2011
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Patent number: 7964894
    Abstract: An integrated circuit system that includes: a substrate including a source/drain region defined by a spacer; a gate over the substrate; a gate dielectric between the gate and the substrate; a recrystallized region within the gate and the source/drain region; and a channel exhibiting the characteristics of stress memorization.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 21, 2011
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Elgin Kiok Boone Quek, Pradeep Ramachandramurthy Yelehanka
  • Patent number: 7960282
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: June 14, 2011
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Publication number: 20100297844
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 25, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Publication number: 20100230765
    Abstract: An integrated circuit system that includes: a substrate including a source/drain region defined by a spacer; a gate over the substrate; a gate dielectric between the gate and the substrate; a recrystallized region within the gate and the source/drain region; and a channel exhibiting the characteristics of stress memorization.
    Type: Application
    Filed: May 20, 2010
    Publication date: September 16, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Elgin Kiok Boone Quek, Pradeep Ramachandramurthy Yelehanka
  • Patent number: 7759207
    Abstract: An integrated circuit system that includes: providing a gate and a spacer formed over a substrate; performing an implant that amorphizes the gate and a source/drain region defined by the spacer; removing the spacer; depositing a stress memorization layer over the integrated circuit system; and transferring a stress from the stress memorization layer to the gate and the source/drain region.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: July 20, 2010
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Elgin Kiok Boone Quek, Pradeep Ramachandramurthy Yelehanka
  • Patent number: 7501683
    Abstract: An integrated circuit structure includes providing a semiconductor substrate and forming at least one oxide-nitride-oxide dielectric layer above the semiconductor substrate. At least one implantation is formed into at least one area of the semiconductor substrate beneath the oxide-nitride-oxide dielectric layer subsequent to the formation of the oxide-nitride-oxide dielectric layer.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: March 10, 2009
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Tommy Lai, Pradeep Ramachandramurthy Yelehanka, Jia Zhen Zheng, Weining Li
  • Publication number: 20080230841
    Abstract: An integrated circuit system that includes: providing a gate and a spacer formed over a substrate; performing an implant that amorphizes the gate and a source/drain region defined by the spacer; removing the spacer; depositing a stress memorization layer over the integrated circuit system; and transferring a stress from the stress memorization layer to the gate and the source/drain region.
    Type: Application
    Filed: March 21, 2007
    Publication date: September 25, 2008
    Applicant: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Elgin Kiok Boone Quek, Pradeep Ramachandramurthy Yelehanka
  • Publication number: 20080054477
    Abstract: A method for forming device features with reduced line end shortening (LES) includes trimming the device feature to achieve the desired sub-ground rule critical dimension during the etch to form the device feature.
    Type: Application
    Filed: August 22, 2007
    Publication date: March 6, 2008
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Hai CONG, Wei Loong LOH, Krishan GOPAL, Xin ZHANG, Mei Sheng ZHOU, Pradeep Ramachandramurthy YELEHANKA