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1. 发明公开

EP1054394A3 Optical recording medium reducing optical spot size. 有权
标题翻译： Optisches Aufzeichnungsmedium zum Verringern derGrösseeines optischen Lichtpunktes
公开(公告)号：EP1054394A3
公开(公告)日：2003-02-05
申请号：EP00304112.6
申请日：2000-05-16
申请人： SAMSUNG ELECTRONICS CO. LTD.
发明人： Lee, Chul-Woo , Shin, Dong-Ho , Jung, Seung-Tae , Cho, Kun-Ho , Yoo, Jang-Hoon
IPC分类号： G11B7/24 , G11B7/135
CPC分类号： B82Y10/00 , G11B7/122 , G11B7/1374 , G11B7/1387 , G11B7/24 , G11B2007/13725
摘要： An optical recording medium in which reducing an optical spot size is enabled includes a thin metal film (241) which is formed on an information recording layer (242) opposing a focusing device (26), for reflecting and transmitting light incident from the focusing device (26). A relationship of n1Sinθ1
摘要翻译：能够实现光斑尺寸减小的光记录介质包括形成在与聚焦装置（26）相对的信息记录层（242）上的用于反射和透射从聚焦装置入射的光的金属薄膜（241）（26）。当n1是聚焦装置的折射率时，满足n1Sin＆Thetas; 1

2. 发明公开

EP1054394A2 Optical recording medium reducing optical spot size. 有权
标题翻译：一种光记录介质，以减少光的光点的大小
公开(公告)号：EP1054394A2
公开(公告)日：2000-11-22
申请号：EP00304112.6
申请日：2000-05-16
申请人： SAMSUNG ELECTRONICS CO. LTD.
发明人： Lee, Chul-Woo , Shin, Dong-Ho , Jung, Seung-Tae , Cho, Kun-Ho , Yoo, Jang-Hoon
IPC分类号： G11B7/24
CPC分类号： B82Y10/00 , G11B7/122 , G11B7/1374 , G11B7/1387 , G11B7/24 , G11B2007/13725
摘要： An optical recording medium in which reducing an optical spot size is enabled includes a thin metal film (241) which is formed on an information recording layer (242) opposing a focusing device (26), for reflecting and transmitting light incident from the focusing device (26). A relationship of n1Sinθ1

3. 发明公开

EP0987699A1 Near-field optical storage medium and optical data storage system therefor 审中-公开
标题翻译： Optisches Nahfeldspeichermedium und optisches Datenspeichersystemdafür
公开(公告)号：EP0987699A1
公开(公告)日：2000-03-22
申请号：EP99302912.3
申请日：1999-04-15
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Lee, Chul-Woo , Cho, Kun-Ho , Shin, Dong-Ho , Seo, Joong-Eon , Jung, Seung-Tae , Park, Byeong-Ho , Hwang, In-Ho , Ro, Myong-Do , Kim, Yoon-Gi
IPC分类号： G11B7/24 , G11B7/12 , G11B7/007
CPC分类号： G11B7/252 , B82Y10/00 , G11B7/122 , G11B7/1387 , G11B7/24 , G11B7/2533 , G11B7/2534 , G11B7/254 , G11B7/2542 , G11B2007/13725 , G11B2007/25706 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716
摘要： An optical data storage system writes or reads information with respect to an optical storage medium using an optical pickup including a solid-state immersion optical system or solid-state immersion lens for generating the near-field. The optical storage medium (68) includes a recording layer which is put on one surface opposing the other surface of an optical transmissive layer (686) opposing the solid-state immersion optical system or solid-state immersion lens. The thickness of the optical transmissive layer (686) is larger than one wavelength of light used. The interval between the surfaces of the solid-state immersion lens or solid-state immersion optical system and the optical transmissive layer is smaller than one wavelength of the used light. Thus, the light beam reflected from the inside of an air gap and the inside of the storage medium between the air gap and the recording layer does not function as noise with respect to the light reflected from the recording layer. Also, since the thickness of a protective layer or a substrate which is an external surface of the optical storage medium can be thickened, information can be written or read with respect to the optical storage medium having dust and damage.
摘要翻译：光学数据存储系统使用包括用于产生近场的固态浸没光学系统或固态浸没透镜的光学拾取器来写入或读取关于光学存储介质的信息。光学存储介质（68）包括记录层，其被放置在与固态浸没光学系统或固态浸没透镜相对的光透射层（686）的另一表面相对的一个表面上。光透射层（686）的厚度大于所用光的一个波长。固体浸没透镜或固体浸没光学系统的表面与透光层之间的间隔小于所使用的光的一个波长。因此，从气隙的内部反射的光束和气隙与记录层之间的存储介质的内部相对于从记录层反射的光不起作用的噪声。此外，由于作为光存储介质的外表面的保护层或基板的厚度可以增厚，所以可以相对于具有灰尘和损坏的光学存储介质写入或读取信息。

4. 发明公开

EP1538614A2 Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk 审中-公开
标题翻译：与之光学拾取器和光盘驱动器和光盘提供了一种反射折射式光学系统
公开(公告)号：EP1538614A2
公开(公告)日：2005-06-08
申请号：EP05001525.4
申请日：1998-11-21
申请人： Samsung Electronics Co., Ltd.
发明人： Lee, Chul-Woo , Chung, Chong-Sam , Lee, Yong-Hoon , Yeon, Cheol-Sung , Seo, Joong-Eon , Cheong, Young-Min , Shin, Dong-Ho , Cho, Kun-Ho , Seong, Pyong-Yong , Yoo, Jang-Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/1387 , G11B7/08576 , G11B7/0901 , G11B7/0908 , G11B7/122 , G11B7/1374 , G11B7/22 , G11B7/24 , G11B11/10547 , G11B11/10554 , G11B11/10569 , G11B11/1058 , G11B11/10584 , G11B2007/13725
摘要： An optical focusing system which uses a light beam emitted from a light source, includes a refractive surface on one side of the optical focusing system and having a first radius of curvature, a first reflection surface on the above one side, surrounding the refractive surface and having a second radius of curvature being different from the first radius of curvature, a transparent beam focusing surface on the other side of the optical focusing system, and a second reflection surface on the above other side and surrounding the beam focusing surface. The refractive surface refracts an incident light beam, the second reflection surface reflects a light beam refracted by the refractive surface toward the first reflection surface, and the first reflection surface focuses a laser light beam reflected from the second reflection surface on the beam focusing surface as a focused beam spot. The optical focusing system can be used in an optical pickup. The optical pickup uses the optical focusing system to generate, from a light beam e.g. laser light emitted from a light source, a beam spot used for recording or reading information to a recording medium. The optical pickup uses a near field effect provided by an optical focusing system according to the present invention, to allow a superior density of recording or reading. Further, the optical focusing system according to the invention can use a light beam having a beam diameter smaller than that of the laser beam used for an existing optical focusing system for forming a near field. Thus, the optical pickup according to the invention can record or read information on an optical disk having a surface recording density of 10Gbit/inch 2 or more. Even if an incident light beam inclination occurs due to movement of the disk or the optical pickup, information can be recorded on or read from a disk accurately. Also, the assembly of the optical focusing system and the adjustment of the assembled optical focusing system are easily performed.
摘要翻译：光学聚焦系统，该系统使用从一光源发射的光束，包括：在所述光学聚焦系统的一侧上的折射表面和具有第一曲率半径，在上述一侧上的第一反射面，包围折射表面和具有不同于所述第一曲率半径不同的第二曲率半径，透明束聚焦表面上的光学聚焦系统的另一侧，并在上述另一侧的第二反射面与所述束聚焦表面周围。折射面折射到入射光束，所述第二反射面反射由折射面朝向第一反射面折射的光束，并且所述第一反射表面聚焦来自上的光束在第二反射表面反射的激光束聚焦表面聚焦束斑。光学聚焦系统可以在光拾取器中使用。光学拾取器采用了光学聚焦系统来生成，从光束E.G. 来自光源的，用于记录或读出信息到记录介质上的光点发出的激光。光学拾取器通过使用在光学聚焦系统gemäß到本发明提供了一种近场效果，以允许记录或读取的一个优越的密度。此外，光学聚焦系统gemäß到本发明可以使用具有光束直径比用于现有光学聚焦系统用于形成近场的激光束的更小的光束。因此，光学拾取器gemäß发明可以记录或读出到光盘具有10千兆位/英寸2或更高的面记录密度的信息。即使入射光束倾斜的发生是由于磁盘或光学拾取器的移动，可以被记录或从精确地设定一个磁盘读取信息的。所以，很容易进行的光学聚焦系统的装配和组装的光学聚焦系统的调整。

5. 发明公开

EP1538614A3 Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk 审中-公开
标题翻译：与之光学拾取器和光盘驱动器和光盘提供了一种反射折射式光学系统
公开(公告)号：EP1538614A3
公开(公告)日：2008-05-28
申请号：EP05001525.4
申请日：1998-11-21
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Lee, Chul-Woo , Chung, Chong-Sam , Lee, Yong-Hoon , Yeon, Cheol-Sung , Seo, Joong-Eon , Cheong, Young-Min , Shin, Dong-Ho , Cho, Kun-Ho , Seong, Pyong-Yong , Yoo, Jang-Hoon
IPC分类号： G11B7/135
CPC分类号： G11B7/1387 , G11B7/08576 , G11B7/0901 , G11B7/0908 , G11B7/122 , G11B7/1374 , G11B7/22 , G11B7/24 , G11B11/10547 , G11B11/10554 , G11B11/10569 , G11B11/1058 , G11B11/10584 , G11B2007/13725
摘要： An optical focusing system which uses a light beam emitted from a light source, includes a refractive surface on one side of the optical focusing system and having a first radius of curvature, a first reflection surface on the above one side, surrounding the refractive surface and having a second radius of curvature being different from the first radius of curvature, a transparent beam focusing surface on the other side of the optical focusing system, and a second reflection surface on the above other side and surrounding the beam focusing surface. The refractive surface refracts an incident light beam, the second reflection surface reflects a light beam refracted by the refractive surface toward the first reflection surface, and the first reflection surface focuses a laser light beam reflected from the second reflection surface on the beam focusing surface as a focused beam spot. The optical focusing system can be used in an optical pickup. The optical pickup uses the optical focusing system to generate, from a light beam e.g. laser light emitted from a light source, a beam spot used for recording or reading information to a recording medium. The optical pickup uses a near field effect provided by an optical focusing system according to the present invention, to allow a superior density of recording or reading. Further, the optical focusing system according to the invention can use a light beam having a beam diameter smaller than that of the laser beam used for an existing optical focusing system for forming a near field. Thus, the optical pickup according to the invention can record or read information on an optical disk having a surface recording density of 10Gbit/inch 2 or more. Even if an incident light beam inclination occurs due to movement of the disk or the optical pickup, information can be recorded on or read from a disk accurately. Also, the assembly of the optical focusing system and the adjustment of the assembled optical focusing system are easily performed.

6. 发明授权

EP1054394B1 Optical recording medium reducing optical spot size. 有权
标题翻译：一种光记录介质，以减少光的光点的大小
公开(公告)号：EP1054394B1
公开(公告)日：2004-12-01
申请号：EP00304112.6
申请日：2000-05-16
申请人： SAMSUNG ELECTRONICS CO. LTD.
发明人： Lee, Chul-Woo , Shin, Dong-Ho , Jung, Seung-Tae , Cho, Kun-Ho , Yoo, Jang-Hoon
IPC分类号： G11B7/24 , G11B7/135
CPC分类号： B82Y10/00 , G11B7/122 , G11B7/1374 , G11B7/1387 , G11B7/24 , G11B2007/13725

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