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Method for manufacturing electro-magnetic shield having multiple polymeric layers of differing fill compositions 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-045/16
출원번호 US-0425271 (1995-04-20)
발명자 / 주소
  • Highum Edward Allan
  • Mueller Alfred Wilhelm
  • Nash Thomas William
  • Stadler Ewald Emil Gottlob,DEX
  • Thorvilson Scott Marvin
출원인 / 주소
  • International Business Machines Corporation
대리인 / 주소
    Truelson
인용정보 피인용 횟수 : 40  인용 특허 : 0

초록

An enclosure for an electronic device forms a barrier to electro-magnetic radiation. A typical cross-section of the enclosure comprises three parallel layers. The outer and inner surface layers are of a polymeric base material in which is suspended an electrically conductive fill material, giving th

대표청구항

[ What is claimed is:] [1.] A method for manufacturing a multiple layer electro-magnetic shielding structure, comprising the steps of:providing an injection mold of suitable shape for said structure;loading an electrically conductive fill material suspended in a polymeric base material in a hopper f

이 특허를 인용한 특허 (40)

  1. Patterson, Janet, Apparatus for shielding integrated circuit devices.
  2. Patterson, Janet, Apparatus for shielding integrated circuit devices.
  3. Vig, Ravi; David, Paul A.; Shoemaker, Eric G., Arrangements for magnetic field sensors that act as movement detectors.
  4. Taylor, William P.; Scheller, P. Karl; David, Paul, Arrangements for magnetic field sensors that act as tooth detectors.
  5. Taylor, William P.; Scheller, P. Karl; David, Paul A., Arrangements for magnetic field sensors that act as tooth detectors.
  6. David, Paul A.; Shoemaker, Eric G.; Eagen, Jeffrey, Arrangements for magnetic field sensors to cancel offset variations.
  7. Featherby, Michael; DeHaven, Jennifer L., Electronic device packaging.
  8. Michael Featherby ; Jennifer L. DeHaven, Electronic device packaging.
  9. Kawai, Hideharu; Matsuzaki, Toru, Forming method of magnetic body and printed circuit board.
  10. Rakesh Bhatia, Graphite-fiber enhanced molded plastic for electronic enclosures.
  11. David, Paul; Taylor, William P.; Scheller, P. Karl; Vig, Ravi; Friedrich, Andreas P., Integrated circuit package having a split lead frame.
  12. Taylor, William P.; David, Paul; Vig, Ravi, Integrated circuit package having a split lead frame.
  13. David, Paul; Vig, Ravi; Taylor, William P.; Friedrich, Andreas P., Integrated circuit package having a split lead frame and a magnet.
  14. Drouin, Mathew; Fernandez, Devon; Towne, Jay M.; Milesi, Alejandro G., Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element.
  15. Foletto, Andrea; Eagen, Jeffrey; David, Paul A., Magnetic field sensor for sensing a movement of a ferromagnetic target object.
  16. Foletto, Andrea; Vuillermet, Yannick; Friedrich, Andreas P., Magnetic field sensor for sensing a movement of a target object.
  17. David, Paul A.; Vig, Ravi, Magnetic field sensor for sensing a proximity of an object.
  18. Vig, Ravi; Taylor, William P.; David, Paul A.; Scheller, P. Karl; Friedrich, Andreas P., Magnetic field sensor integrated circuit with an electromagnetic suppressor.
  19. Vig, Ravi; Taylor, William P.; David, Paul; Scheller, P. Karl; Friedrich, Andreas P., Magnetic field sensor integrated circuit with integral ferromagnetic material.
  20. Vig, Ravi; Taylor, William P.; Friedrich, Andreas P.; David, Paul; Lo, Marie-Adelaide; Burdette, Eric; Shoemaker, Eric; Doogue, Michael C., Magnetic field sensor integrated circuit with integral ferromagnetic material.
  21. David, Paul A.; Taylor, William P., Magnetic field sensor providing a movement detector.
  22. Wang, Xingwu; Helfer, Jeffrey L.; MacDonald, Stuart G., Magnetically shielded assembly.
  23. Wang, Xingwu; Helfer, Jeffrey L.; MacDonald, Stuart G., Magnetically shielded assembly.
  24. David, Paul; Taylor, William P., Method and apparatus for magnetic sensor producing a changing magnetic field.
  25. Longden,Larry L.; Patterson,Janet, Method and apparatus for shielding an integrated circuit from radiation.
  26. Vig, Ravi; Dwyer, Daniel S.; Bowman, Gregory R.; Pinelle, Sandra R.; Clapp, Terry R., Method for fabricating a magnet structure.
  27. Featherby Michael ; Strobel David J. ; Layton Phillip J. ; Li Edward, Method for making a shielding composition.
  28. Luippold David Arthur ; Brown Mark David ; Tully John Wilbur, Method for reducing reflected radio frequency electromagnetic radiation.
  29. Bielich, Norbert; Eckardt, Helmut, Method for the multicomponent injection molding of plastic parts.
  30. Jacobson Joseph M. ; Albert Jonathan ; Gershenfeld Neil, Method of fabricating electro-mechanical devices by multilayer deposition.
  31. McArdle Ciaran B.,IEX ; Burke Joseph,IEX, Method of making films and coatings having anisotropic conductive pathways therein.
  32. Pepka, Gary T.; Taylor, William P., Methods and apparatus for magnetic sensor having integrated coil.
  33. Metivier, Ryan; Taylor, William P., Methods and apparatus for magnetic sensors having highly uniform magnetic fields.
  34. Michael Featherby ; David J. Strobel ; Phillip J. Layton ; Edward Li, Methods and compositions for ionizing radiation shielding.
  35. Tanigaki Tsuyoshi,JPX ; Izawa Shogo,JPX ; Matsumoto Akikazu,JPX ; Kohama Tadahiko,JPX, Methods of producing resin moldings.
  36. Helmut Kahl DE; Bernd Tiburtius DE, Process for shielding an electric or electronic circuit and shielding cap.
  37. Strobel, David J.; Czajkowski, David R., Radiation shielding of integrated circuits and multi-chip modules in ceramic and metal packages.
  38. Czjakowski David R. ; Eggleston Neil ; Patterson Janet S., Radiation shielding of three dimensional multi-chip modules.
  39. Czjakowski, David R.; Eggleston, Neil; Patterson, Janet S., Radiation shielding of three dimensional multi-chip modules.
  40. Czjakowski, David R.; Eggleston, Neil; Patterson, Janet S., Radiation shielding of three dimensional multi-chip modules.
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