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Method and apparatus for focusing ions in viscous flow jet expansion region of an electrospray apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01J-049/04
출원번호 US-0702634 (1991-05-17)
발명자 / 주소
  • Mylchreest Iain C. (Santa Clara CA) Hail Mark E. (Alameda CA) Herron John R. (Linn County OR)
출원인 / 주소
  • Finnian Corporation (San Jose CA 02)
인용정보 피인용 횟수 : 43  인용 특허 : 0

초록

An electrospray ion source having a capillary tube for directing ions from an ionizing region to an analyzing region where it forms a gas jet with ions which expands and a tube lens cooperating with said capillary for forcing ions to the center of said jet.

대표청구항

In an ion source of the type which includes an ionization chamber and an adjacent low pressure region including a skimmer having an orifice, a capillary tube having an axial bore communicating between the ionization chamber and the lower pressure region whereby ions and gases in said ionization cham

이 특허를 인용한 특허 (43)

  1. Wells, James Mitchell; Roth, Mike, Analytical instruments, assemblies, and methods.
  2. Splendore, Maurizio; Wouters, Eloy R.; Thakur, Rohan A.; Dunyach, Jean-Jacques, Apparatus and method for a multi-stage ion transfer tube assembly for use with mass spectrometry.
  3. Kang, Duk Jin; Choi, Myoung Choul; Yoo, Jong Shin; Kim, Hyun Sik, Apparatus for electrospray ionization and method for electrospray ionization using the same.
  4. Loucks ; Jr. Harvey D. ; Fischer Steven M. ; Gourley Darrell L., Apparatus for forming liquid droplets having a mechanically fixed inner microtube.
  5. Mylchreest Iain C. ; Tang Kegi, Assembly for coupling an ion source to a mass analyzer.
  6. St. Cyr, Paul L.; DelVecchio, Michael L.; Whitehouse, Craig M., Direct sample analysis device adapters and methods of using them.
  7. St. Cyr, Paul L.; DelVecchio, Michael L.; Whitehouse, Craig M., Direct sample analysis device adapters and methods of using them.
  8. Tak찼ts,Zolt찼n; Cooks,Robert G., Electrosonic spray ionization method and device for the atmospheric ionization of molecules.
  9. Xia, Younan; Li, Dan, Electrospinning of fine hollow fibers.
  10. Thakur,Rohan A., Electrospray ion source apparatus.
  11. Thakur, Rohan, Focusing ions using gas dynamics.
  12. Tassitino ; Jr. Frederick ; Tracy John G., Independent load sharing of AC power systems connected in parallel.
  13. Syage,Jack A.; Hanold,Karl A.; Evans,Matthew D.; Nies,Brian J., Interfaces for a photoionization mass spectrometer.
  14. Li, Gangqiang; Russ, IV, Charles W., Ion optic components for mass spectrometers.
  15. Xian-Wei Yao, Liquid transportation system for microfluidic device.
  16. Marriott, Philip, Mass spectrometer and mass filters therefor.
  17. Tang, Keqi; Schoen, Alan E.; Dunyach, Jean-Jacques, Mass spectrometer system including a double ion guide interface and method of operation.
  18. Tang,Keqi; Dunyach,Jean Jacques; Schoen,Alan E., Mass spectrometer system including a double ion guide interface and method of operation.
  19. Waki Hiroaki (Kyoto JPX), Mass spectrometric apparatus for use with a liquid chromatograph.
  20. Kato Yoshiaki,JPX, Mass spectrometry and mass spectrometer.
  21. Kato Yoshiaki,JPX, Mass spectrometry and mass spectrometer.
  22. Kato Yoshiaki,JPX, Mass spectrometry and mass spectrometer.
  23. Marriott, Philip, Means for removing unwanted ions from an ion transport system and mass spectrometer.
  24. Marriott,Philip, Means for removing unwanted ions from an ion transport system and mass spectrometer.
  25. Marriott,Philip, Means for removing unwanted ions from an ion transport system and mass spectrometer.
  26. Schwartz,Jae C., Measuring ion number and detector gain.
  27. Splendore, Maurizio A.; Wouters, Eloy R.; Atherton, Paul R.; Dunyach, Jean Jacques, Method and apparatus for an ion transfer tube and mass spectrometer system using same.
  28. Franzen Jochen,DEX, Method and device for transport of ions in gas through a capillary.
  29. Sproch,Norman K., Method for the characterization of the three-dimensional structure of proteins employing mass spectrometric analysis and computational feedback modeling.
  30. Syms, Richard; Moseley, Richard William, Microengineered vacuum interface for an ionization system.
  31. Dale R. Pfost ; Sheila H. DeWitt ; Chao Lin ; Rolf E. Swenson ; Robert D. Juncosa ; Gary J. Schnerr ; Sheldon M. Kugelmass, Multiple fluid sample processor and system.
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  35. Whitehouse Craig M. ; Dresch Thomas,DEX ; Andrien Bruce, Multipole ion guide ion trap mass spectrometry with MS/MS.sup.N analysis.
  36. Whitehouse, Craig M.; Dresch, Thomas; Andrien, Bruce, Multipole ion guide ion trap mass spectrometry with MS/MSN analysis.
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  38. Whitehouse, Craig M.; Dresch, Thomas; Andrien, Jr., Bruce A., Multipole ion guide ion trap mass spectrometry with MS/MSn analysis.
  39. Apffel ; Jr. James A. ; Werlich Mark H. ; Bertsch James L. ; Goodley Paul C. ; Henry Kent D., Orthogonal ion sampling for electrospray .[.LC/MS.]. mass spectrometry.
  40. Atherton,Paul R; Dunyach,Jean Jacques; Splendore,Maurizio; Wouters,Eloy R., Plural bore to single bore ion transfer tube.
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