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Method and structure for reducing capacitance between interconnect lines 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01L-021/28
출원번호 US-0512253 (1995-08-07)
발명자 / 주소
  • Grivna Gordon M. (Mesa AZ) Johnson Karl J. (Scottsdale AZ) Bernhardt Bruce A. (Chandler AZ)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 73  인용 특허 : 0

초록

A method and structure for reducing capacitance between interconnect lines (11, 24, 26) utilizes air gaps (17, 47) between the interconnect lines (11, 24, 26). Deposited over the interconnect lines (11, 24, 26), a silane oxide layer (14) forms a “breadloaf”shape which can be sputter etched to seal t

대표청구항

A method of forming an air gap between a first feature and a second feature, the method comprising: providing a substrate; forming the first feature and the second feature over the substrate, the first feature and the second feature forming a gap between the first feature and the second feature; pro

이 특허를 인용한 특허 (73)

  1. Bothra Subhas, Air gap dielectric in self-aligned via structures.
  2. Purayath, Vinod R.; Kai, James K.; Pachamuthu, Jayavel; Liang, Jarrett Jun; Matamis, George, Copper interconnects separated by air gaps and method of making thereof.
  3. Stamper Anthony K. ; McGahay Vincent J., Damascene etchback for low .epsilon. dielectric.
  4. H. Jim Fulford, Jr. ; Robert Dawson ; Fred N. Hause ; Basab Bandyopadhyay ; Mark W. Michael ; William S. Brennan, Dielectric having an air gap formed between closely spaced interconnect lines.
  5. Davies, Robert Bruce, Electrical stress protection apparatus and method of manufacture.
  6. Wang John Jianshi ; Fang Hao ; Higashitani Masaaki, Elimination of poly cap easy poly 1 contact for NAND product.
  7. Wang John Jianshi ; Fang Hao ; Higashitani Masaaki, Elimination of poly cap for easy poly1 contact for NAND product.
  8. Kohl,Paul A.; Zhao,Qiang; Bidstrup Allen,Sue Ann, Fabrication of a semiconductor device with air gaps for ultra-low capacitance interconnections.
  9. Kohl, Paul Albert; Allen, Sue Ann Bidstrup; Henderson, Clifford Lee; Reed, Hollie Anne; Bhusari, Dhananjay M., Fabrication of semiconductor device with air gaps for ultra low capacitance interconnections and methods of making same.
  10. Kohl, Paul Albert; Allen, Sue Ann Bidstrup; Henderson, Clifford Lee; Reed, Hollie Ann; Bhusari, Dhananjay M., Fabrication of semiconductor devices with air gaps for ultra low capacitance interconnections and methods of making same.
  11. Selcuk Asim, Gate structure having polysilicon layer with recessed side portions.
  12. Bergendahl, Marc A.; Demarest, James J.; Penny, Christopher J.; Waskiewicz, Christopher J., Hybrid airgap structure with oxide liner.
  13. Reinberg Alan R., Integrated circuit having a void between adjacent conductive lines.
  14. Gardner Mark I. ; Spikes Thomas E. ; Paiz Robert, Integrated circuit utilizing an air gap to reduce capacitance between adjacent metal linewidths.
  15. Lee, Ellis; Hwang, Tsing-Fong, Interconnect structure with an enlarged air gaps disposed between conductive structures or surrounding a conductive structure within the same.
  16. Subramanian Ramkumar ; Lyons Christopher F. ; Okoroanyanwu Uzodinma, Interconnect structure with low k dielectric materials and method of making the same with single and dual damascene techniques.
  17. Bandyopadhyay Basab ; Fulford ; Jr. H. Jim ; Dawson Robert ; Hause Fred N. ; Michael Mark W. ; Brennan William S., Interlevel dielectric with air gaps to lessen capacitive coupling.
  18. Lee Yu-Hua,TWX ; Wu Cheng-Ming,TWX, Keyhole-free process for high aspect ratio gap filing.
  19. Jang Syun-Ming,TWX, Low dielectric constant intermetal dielectric (IMD) by formation of air gap between metal lines.
  20. Cox William P., Low dielectric constant material and method of application to isolate conductive lines.
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  22. Ping Liou TW, Method for fabricating high-Q inductance device in monolithic technology.
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  25. Kitch Vassili Victor, Method for formation of an air gap in an integrated circuit architecture.
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  27. Yu, Hung-Chih; Chen, Chien-Mao, Method for forming semiconductor structure.
  28. Boeck Bruce Allen ; Wetzel Jeff Thomas ; Sparks Terry Grant, Method for manufacturing a low dielectric constant inter-level integrated circuit structure.
  29. Lin Shih-Chi,TWX ; Chen Yen-Ming,TWX, Method for manufacturing arch air gap in multilevel interconnection.
  30. Yew Tri-Rung,TWX ; Lur Water,TWX ; Chung Hsien-Ta,TWX, Method for manufacturing dielectric layer.
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  32. Kim Chang-gyu,KRX ; Choi Ji-hyun,KRX ; Hong Seok-ji,KRX, Method for planarizing a semiconductor substrate.
  33. Subhas Bothra ; Rao Annapragada, Method for reducing the capacitance between interconnects by forming voids in dielectric material.
  34. Charles E. May, Method of coupling capacitance reduction.
  35. Hong Gary,TWX, Method of fabricating conductive line structure.
  36. Lee Shih-Ked ; Yen Chu-Tsao ; Hsueh Cheng-Chen Calvin,TWX ; Shih James R. ; Lien Chuen-Der, Method of forming air gaps for reducing interconnect capacitance.
  37. Broekaart, Marcel Eduard Irene; Guelen, Josephus Franciscus Antonius Maria; Gerritsen, Eric, Method of forming an etch stop layer in a semiconductor device.
  38. Joaquim Torres FR; Philippe Gayet FR; Michel Haond FR, Method of forming insulated metal interconnections in integrated circuits.
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  45. Bang David, Method of producing air gap for reducing intralayer capacitance in metal layers in damascene metalization process and product resulting therefrom.
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  67. Smith, Gregory C., Systems and methods for controlling the effective dielectric constant of materials used in a semiconductor device.
  68. Huang, Chien-Hua; Yao, Hsin-Chieh; Lee, Chung-Ju, Tapered sidewall conductive lines and formation thereof.
  69. Morey, Ian J.; Ellingboe, Susan; Flanner, Janet M.; Janowiak, Christine M.; Lang, John, Technique for etching a low capacitance dielectric layer.
  70. Moslehi Mehrdad M., Ultra high-speed chip interconnect using free-space dielectrics.
  71. Moslehi Mehrdad M., Ultra high-speed chip semiconductor integrated circuit interconnect structure and fabrication method using free-space dielectrics.
  72. Patrick A. Van Cleemput ; George D. Papasouliotis ; Mark A. Logan ; Bart van Schravendijk ; William J. King, Very high aspect ratio gapfill using HDP.
  73. Jang Syun-Ming,TWX, Void forming method for fabricating low dielectric constant dielectric layer.
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