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특허 상세정보

Near-field optical head and manufacturing method thereof and optical recording/readout system using near-field optical head

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G11B-007/12   
미국특허분류(USC) 369/044.23 ; 369/044.12 ; 369/112.01 ; 369/126
출원번호 US-0267597 (1999-03-15)
우선권정보 JP0066489 (1998-03-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Mattingly, Stanger & Malur, P.C.
인용정보 피인용 횟수 : 30  인용 특허 : 3
초록

A pad for controlling the state of contact or flying of a slider with or to an information-recording medium and a probe for exciting near-field light having a small spot size are mounted on the slider and the pad is near to the probe. Semiconductor laser light focused by an objective lens is converted into near-field light having a small spot size near the top of the probe for exciting near-field light. The slider travels at a height of several tens nm to a recording medium substrate and information is recorded or read out on or from the information-reco...

대표
청구항

[ What is claimed is:] [1.]1. A near-field optical head comprising:an optically transparent slider which moves relatively to an information-recording medium while keeping contact with or a nearly constant gap to the information-recording medium;a column-shaped pad mounted on the surface of the slider opposite to the information-recording medium and for controlling the state of contact or flying of the slider with or to the information-recording medium; anda pyramid-shape probe for exciting near-field light having a small spot size,wherein the pad is near...

이 특허를 인용한 특허 피인용횟수: 30

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  2. Takayama, Hidehito; Saitou, Haruyo. Analysis apparatus and condenser. USP2009127632463.
  3. Hamann, Hendrik F.; Martin, Yves; Wickramasinghe, Hemantha Kumar. Apparatus and method suitable for magnetic-thermal recording. USP2003036532125.
  4. Oumi, Manabu; Ichihara, Susumu; Niwa, Takashi; Kato, Kenji; Shinohara, Yoko; Maeda, Hidetaka; Kasama, Nobuyuki; Mitsuoka, Yasuyuki. Apparatus for forming optical aperture. USP2004026684676.
  5. Oumi,Manabu; Ichihara,Susumu; Niwa,Takashi; Kato,Kenji; Shinohara,Yoko; Maeda,Hidetaka; Kasama,Nobuyuki; Mitsuoka,Yasuyuki. Apparatus for forming optical aperture. USP2006037010949.
  6. Hamann, Hendrik F.; Martin, Yves; Wickramasinghe, Hemantha Kumar. Assembly and method suitable for thermo-magnetic writing/reading of data. USP2004086771445.
  7. Wickramasinghe, Hemantha Kumar; Hamann, Hendrik F.; Martin, Yves. Assembly for writing and/or erasing high density data on a media. USP2005076920088.
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  10. Cheng, Yuhang; Wierman, Kurt W.; Seigler, Michael; Franzen, Scott. Devices including a multilayer gas barrier layer. USP2017019552833.
  11. Cheng, Yuhang; Wierman, Kurt W.; Seigler, Michael; Huang, Xiaoyue; Franzen, Scott. Devices including an amorphous gas barrier layer. USP20180710020011.
  12. Cheng, Yuhang; Wierman, Kurt W.; Seigler, Michael; Huang, Xiaoyue; Franzen, Scott. Devices including an amorphous gas barrier layer. USP2017049620150.
  13. Hirata, Masakazu; Oumi, Manabu; Park, Majung. Fabrication method and fabrication apparatus of head using near field light. USP2012128323518.
  14. Kasama, Nobuyuki; Oumi, Manabu; Mitsuoka, Yasuyuki; Maeda, Hidetaka; Kato, Kenji; Niwa, Takashi. Information recording and reproducing apparatus. USP2003106631227.
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  16. Niwa,Takashi; Kato,Kenji; Mitsuoka,Yasuyuki; Oumi,Manabu; Kasama,Nobuyuki; Ichihara,Susumu; Maeda,Hidetaka; Shinohara,Yoko. Method for forming optical aperture, near-field optical head, method for fabricating near-field optical head, and information recording/reading apparatus. USP2006047032427.
  17. Takahashi,Junichi; Kourogi,Motonobu; Yatsui,Takashi; Ohtsu,Motoichi. Method of manufacturing a probe array. USP2006026993826.
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  19. Mizutani, Natsuhiko; Yamada, Tomohiro. Near-field light generating method and near-field optical head using a light blocking metal film having a fine opening whose size is not more than a wavelength of irradiated light, and near-field optical microscope having the optical head. USP2010047697382.
  20. Shinohara, Yoko; Mitsuoka, Yasuyuki; Oumi, Manabu; Kasama, Nobuyuki; Maeda, Hidetaka; Kato, Kenji; Niwa, Takashi. Near-field optical head. USP2004066744708.
  21. Kato, Kenji; Niwa, Takashi; Ichihara, Susumu; Chiba, Norio; Oumi, Manabu; Kasama, Nobuyuki; Mitsuoka, Yasuyuki. Near-field optical head having tapered hole for guiding light beam. USP2009107599277.
  22. Kato, Kenji; Niwa, Takashi; Ichihara, Susumu; Chiba, Norio; Oumi, Manabu; Kasama, Nobuyuki; Mitsuoka, Yasuyuki. Near-field optical head having tapered hole for guiding light beam. USP2012118320228.
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  24. Shohei Kobayashi JP. Optical pickup. USP2002126496467.
  25. Takahashi,Junichi; Kourogi,Motonobu; Yatsui,Takashi; Ohtsu,Motoichi. Optical-pickup slide, manufacturing method thereof, probe and manufacturing method thereof, and probe array and manufacturing method thereof. USP2009027489616.
  26. Takahashi, Junichi; Kourogi, Motonobu; Yatsui, Takashi; Ohtsu, Motoichi. Optical-pickup slider, manufacturing method thereof, probe and manufacturing method thereof, and probe array and manufacturing method thereof. USP2004016680900.
  27. Mitsuoka,Yasuyuki; Chiba,Norio; Kasama,Nobuyuki; Oumi,Manabu; Niwa,Takashi; Kato,Kenji; Maeda,Hidetaka. Recording medium, information recording device, and information reproducing device. USP2006057054239.
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