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Low resistance composite contact structure utilizing a reaction barrier layer under a metal layer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01L-023/52
출원번호 US-0641727 (2000-08-21)
발명자 / 주소
  • Shekhar Pramanick
  • Ming-Ren Lin
  • Qi Xiang
출원인 / 주소
  • Advanced Micro Devices, Inc.
인용정보 피인용 횟수 : 14  인용 특허 : 12

초록

Low resistance contacts are formed on source/drain regions and gate electrodes by selectively depositing a reaction barrier layer and selectively depositing a metal layer on the reaction barrier layer. Embodiments include selectively depositing an alloy of cobalt and tungsten which functions as a re

대표청구항

1. A semiconductor device comprising:a silicon substrate; source/drain regions in the substrate with a channel region therebetween; a gate dielectric layer on the substrate over the channel region; a silicon gate electrode, having an upper surface and side surfaces, on the gate dielectric layer; a d

이 특허에 인용된 특허 (12)

  1. Agnello Paul David (Wappingers Falls NY), CMOS gate stack.
  2. Teong Su Ping,SGX, Integrated circuit having formed therein low contact leakage and low contact resistance integrated circuit device electrode.
  3. Blair Christopher S. ; Saadat Irfan A., Low contact resistance and low junction leakage metal interconnect contact structure.
  4. Joshi Rajiv V. (Yorktown Heights NY) Oh Choon-Sik (Seoul KRX) Moy Dan (Behtel CT), Method for a two step selective deposition of refractory metals utilizing SiH4 reduction and H2.
  5. Park Sang Hoon,KRX, Method for fabricating MOSFET having cobalt silicide film.
  6. Brodsky Stephen Bruce ; Conti Richard Anthony ; Subbanna Seshadri, Method for selective deposition of refractory metal and device formed thereby.
  7. Sigg Hans J. (Sunnyvale CA) Lai Ching W. S. (San Jose CA) Rosvold Warren C. (Sunnyvale CA), Refractory metal contacts for IGFETS.
  8. Berti Antonio C. (Marlborough MA) Baranowski Stephen P. (Marlborough MA), Self-aligned cobalt silicide on MOS integrated circuits.
  9. Shimada Hiroyuki,JPX, Semiconductor device containing local interconnection and method of manufacturing the same.
  10. Sekiguchi Mitsuru,JPX ; Yamanaka Michinari,JPX, Semiconductor device having improved lamination-structure reliability for buried layers, silicide films and metal films, and a method for forming the same.
  11. Nistler John L., Silicon implantation into selective areas of a refractory metal to reduce consumption of silicon-based junctions during salicide formation.
  12. Chu Wei-Kan (La Grangeville NY) Howard James K. (Fishkill NY) White James F. (Newburgh NY), Thin film structures and method for fabricating same.

이 특허를 인용한 특허 (14)

  1. Weidman, Timothy W.; Wijekoon, Kapila P.; Zhu, Zhize; Gelatos, Avgerinos V. (Jerry); Khandelwal, Amit; Shanmugasundram, Arulkumar; Yang, Michael X.; Mei, Fang; Moghadam, Farhad K., Contact metallization scheme using a barrier layer over a silicide layer.
  2. Adkisson, James W.; Bracchitta, John A.; Ellis-Monaghan, John J.; Lasky, Jerome B.; Leobandung, Effendi; Peterson, Kirk D.; Rankin, Jed H., Double planar gated SOI MOSFET structure.
  3. Ke, Chung-Hu; Ko, Chih-Hsin; Chen, Hung-Wei; Lee, Wen-Chin, Dual metal silicides for lowering contact resistance.
  4. Stewart, Michael P.; Weidman, Timothy W.; Shanmugasundram, Arulkumar; Eaglesham, David J., Electroless deposition process on a silicon contact.
  5. Stewart, Michael P.; Weidman, Timothy W.; Shanmugasundram, Arulkumar; Eaglesham, David J., Electroless deposition process on a silicon contact.
  6. Elkins, Patricia C.; Moore, John T.; Klein, Rita J., Electroless plating of metal caps for chalcogenide-based memory devices.
  7. Elkins,Patricia C.; Moore,John T.; Klein,Rita J., Electroless plating of metal caps for chalcogenide-based memory devices.
  8. Greene, Brian J.; Hsu, Louis Lu-Chen; Mandelman, Jack Allan; Sung, Chun-Yung, Method and structure to reduce contact resistance on thin silicon-on-insulator device.
  9. Greene, Brian J.; Hsu, Louis Lu-Chen; Mandelman, Jack Allan; Sung, Chun-Yung, Method and structure to reduce contact resistance on thin silicon-on-insulator device.
  10. Utomo, Henry K.; Jain, Sameer Hemchand; Ramachandran, Ravikumar; Tran, Cung D., Planar silicide semiconductor structure.
  11. Huang,Yi Chun; Shieh,Jyu Horng; Hsu,Ju Wang, Resistance-reduced semiconductor device and methods for fabricating the same.
  12. Shih,Chien Hsueh; Chou,Shih Wei; Su,Hung Wen; Tsai,Minghsing, Silicide structure for ultra-shallow junction for MOS devices.
  13. Chidambarrao, Dureseti; Radens, Carl, Structure and method for MOSFET with reduced extension resistance.
  14. Utomo, Henry K.; Kwon, Unoh; Levedakis, Dimitri Anastassios; Ramachandran, Ravikumar; Sardesai, Viraj Yashawant; Venigalla, Rajasekhar, Structure and method for replacement metal gate field effect transistors.

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