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Diffraction grating lens and optical disk recording/reproducing apparatus using the same 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-005/18
  • G02B-005/32
  • G02B-027/44
  • G11B-071/35
출원번호 US-0932909 (1997-09-17)
우선권정보 JP-0245053 (1996-09-17)
발명자 / 주소
  • Hatakoshi Genichi,JPX
  • Yamamoto Masahiro,JPX
출원인 / 주소
  • Kabushiki Kaisha Toshiba, JPX
대리인 / 주소
    Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보 피인용 횟수 : 52  인용 특허 : 6

초록 ▼

The invention provides a diffraction grating lens suitable for use as an objective lens for an optical disk recording/reproducing apparatus. This lens includes a light transmissive substrate of which a refractive index is larger than 1, having one plane and the other plane, and a diffraction grating

대표청구항 ▼

[ I claim:] [1.] A diffraction grating lens, comprising:a light transmissive substrate having a refractive index larger than 1 and a light incident surface and an opposite facing surface; anda diffraction grating pattern having a lens effect formed as a plurality of diffraction gratings on said ligh

이 특허에 인용된 특허 (6)

  1. Horinouchi Syougo (Fukuoka JPX), Compound holographic optical element with two superposition hologram patterns for converging and diffracting a light bea.
    상세보기
  2. Aoyama Shigeru (Takatsuki JPX) Ohgaki Tatsuo (Takatsuki JPX) Yamashita Tukasa (Nara JPX), Optical device and optical pickup device using the same.
    상세보기
  3. Tanaka Kazuyuki,JPX, Optical element.
    상세보기
  4. Kojima Kouki (Fukuoka JPX) Horinouchi Syougo (Fukuoka JPX), Optical pickup for information recording/reproducing apparatus.
    상세보기
  5. Suzuki Shinichi (Yamanashi JPX) Suemitsu Takashi (Yamanashi JPX) Kataigi Nobuyuki (Yamanashi JPX), Pickup for optical disc.
    상세보기
  6. Guerra John M., Storage medium having a layer of micro-optical lenses each lens generating an evanescent field.
    상세보기

이 특허를 인용한 특허 (52)

  1. Lee Chul-Woo,KRX ; Chung Chong-Sam,KRX ; Lee Yong-Moon,KRX ; Yeon Cheol-Sung,KRX ; Seo Joong-Eon,KRX ; Cheong Young-Min,KRX ; Shin Dong-Ho,KRX ; Cho Kun-Mo,KRX ; Seong Pyong-Yong,KRX ; Yoo Jang-Hoon,, Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk.
    상세보기
  2. Michael J. Mandella, Collimator employing an ellipsoidal solid immersion lens.
    상세보기
  3. Mandella, Michael J., Collimators and collimator arrays employing ellipsoidal solid immersion lenses.
    상세보기
  4. Michael J. Mandella, Collimators and collimator arrays employing ellipsoidal solid immersion lenses.
    상세보기
  5. John M. Guerra ; Patricia A. Mokry Kendra, Data storage system and methods using diffractive near-field optics.
    상세보기
  6. Kawasaki,Toshiyuki; Oohchida,Shigeru; Suzudo,Tsuyoshi; Mori,Koji, Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive.
    상세보기
  7. Mandella Michael, Ellipsoidal solid immersion lens.
    상세보기
  8. Zhao, Guoheng, Generating an array of spots on inclined surfaces.
    상세보기
  9. Wang Yugang ; He Chuan ; Chen Hong ; Miceli Joseph J. ; Cheng Charles C. ; Stovall Ross W., High numerical aperture optical focusing device for use in data storage systems.
    상세보기
  10. Hong Chen ; Chuan He ; Carl J. Carlson ; Joseph J. Miceli, Jr. ; Charles C. Cheng ; Yugang Wang, High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems.
    상세보기
  11. Mallary Michael, Integrated objective/solid immersion lens for near field recording.
    상세보기
  12. Peng, Chiao-Ling; Lin, Shan-Ju, Lens substrate.
    상세보기
  13. Toshikiyo, Kimiaki, Light-collecting device and solid-state imaging apparatus.
    상세보기
  14. Toshikiyo, Kimiaki; Onozawa, Kazutoshi; Ueda, Daisuke; Goubara, Taku, Light-collecting device, solid-state imaging apparatus and method of manufacturing thereof.
    상세보기
  15. Menon, Rajesh; Rogge, Paul; Tsai, Hsin-Yu, Multiple-wavelength binary diffractive lenses.
    상세보기
  16. Menon, Rajesh; Wang, Peng, Nanophotonic scattering structure.
    상세보기
  17. Toshihiko Kiriki JP; Kohei Ota JP, Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lens.
    상세보기
  18. Gruhlke,Russell W., Optical coupler.
    상세보기
  19. Li, Jingjing; Quitoriano, Nate; Fattal, David A.; Beausoleil, Raymond G., Optical devices based on non-periodic sub-wavelength gratings.
    상세보기
  20. Li, Jingjing; Quitoriano, Nate; Fattal, David A.; Beausoleil, Raymond G., Optical devices based on non-periodic sub-wavelength gratings.
    상세보기
  21. Bell, Jr., Bernard W.; Wilson, Scott; Davies, David H.; Blankenbeckler, David L., Optical disk drive with hybrid solid immersion objective lens.
    상세보기
  22. Yamanaka, Kazuhiko; Takigawa, Shinichi, Optical element and semiconductor light emitting device using the optical element.
    상세보기
  23. Lefebvre, Anthony; Boutami, Salim, Optical focusing device.
    상세보기
  24. Swanson, Lori G.; Hutchinson, Christina L.; Glumac, Daniel E.; Gage, Edward C.; Heanue, John F., Optical heads manufacturable in wafer form.
    상세보기
  25. Yamana, Masahito; Hayashi, Shintaro, Optical member and microlens array.
    상세보기
  26. Jeong,Seong Yun, Optical pickup apparatus.
    상세보기
  27. Cho Kun-ho,KRX ; Yoo Jang-hoon,KRX ; Lee Yong-hoon,KRX ; Lee Chul-woo,KRX ; Chung Chong-sam,KRX, Optical pickup device.
    상세보기
  28. Miyatake,Kenshou, Optical pickup device and optical disk playback device provided therewith.
    상세보기
  29. Hatakoshi, Genichi, Optical probe and optical pick-up apparatus.
    상세보기
  30. Hatakoshi,Genichi, Optical probe and optical pick-up apparatus.
    상세보기
  31. Mifune Hironobu,JPX ; Ohtaka Kouichi,JPX, Optical-pick-up device achieving accurate positioning of objective lens and solid-immersion lens and method of forming same.
    상세보기
  32. Hatakoshi, Genichi; Furuyama, Hideto, Semiconductor laser device.
    상세보기
  33. Hatakoshi, Genichi; Furuyama, Hideto, Semiconductor laser device.
    상세보기
  34. Roemerman, Steven D., Small smart weapon and weapon system employing the same.
    상세보기
  35. Roemerman, Steven D., Small smart weapon and weapon system employing the same.
    상세보기
  36. Roemerman, Steven D., Small smart weapon and weapon system employing the same.
    상세보기
  37. Roemerman, Steven D., Small smart weapon and weapon system employing the same.
    상세보기
  38. Roemerman, Steven D.; Tepera, Joseph Edward, Small smart weapon and weapon system employing the same.
    상세보기
  39. Roemerman, Steven D.; Tepera, Joseph Edward, Small smart weapon and weapon system employing the same.
    상세보기
  40. Roemerman, Steven D.; Volpi, John P., Small smart weapon and weapon system employing the same.
    상세보기
  41. Kaneko,Takeo, Surface emission laser and manufacturing method for surface emission laser, light reception element and manufacturing method for light reception element, and optical transceiver module.
    상세보기
  42. Novotny, Lukas; Brown, Thomas G., System and method for high resolution optical imaging, data storage, lithography, and inspection.
    상세보기
  43. Akiyama,Junichi; Ichihara,Katsutaro; Hatakoshi,Genichi, Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatus.
    상세보기
  44. Roemerman, Steven D.; Tepera, Joseph Edward, Weapon and weapon system employing the same.
    상세보기
  45. Roemerman, Steven D.; Volpi, John P., Weapon and weapon system employing the same.
    상세보기
  46. Tepera, Joseph Edward; Roemerman, Steven D., Weapon and weapon system employing the same.
    상세보기
  47. Tepera, Joseph Edward; Roemerman, Steven D., Weapon and weapon system employing the same.
    상세보기
  48. Tepera, Joseph Edward; Roemerman, Steven D., Weapon and weapon system employing the same.
    상세보기
  49. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward, Weapon interface system and delivery platform employing the same.
    상세보기
  50. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward, Weapon interface system and delivery platform employing the same.
    상세보기
  51. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward, Weapon interface system and delivery platform employing the same.
    상세보기
  52. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward, Weapon interface system and delivery platform employing the same.
    상세보기

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