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101. 发明授权

US07839751B2 Objective lens and optical system for optical pick-up 有权
标题翻译：物镜和光学拾取系统
公开(公告)号：US07839751B2
公开(公告)日：2010-11-23
申请号：US11352324
申请日：2006-02-13
申请人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
发明人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
IPC分类号： G11B7/00 , G11B7/135
CPC分类号： G11B7/1367 , G11B7/13922 , G11B2007/0006
摘要： An optical system of an optical pick-up is provided. The optical system includes an optical element including at least a phase shift surface among the surfaces thereof, and located closer to a light source than the objective lens. In this configuration, t1≦t2 is satisfied, where t1 represents a thickness of a cover layer of a first optical disc for which a first laser beam is employed, and t2 a thickness of a cover layer of a second optical disc for which a second laser beam, having a longer wavelength than the first laser beam, is employed. NA1≧NA2 is satisfied, where NA1 represents a numerical aperture for the first optical disc, and NA2 the numerical aperture for the second optical disc. The phase shift surface includes a first region that converges the first laser beam on a recording surface of the first optical disc, and the second laser beam on a recording surface of the second optical disc. The first region includes at least an annular zone structure having an annular zone group including a step that gives an additional optical path length to the first laser beam generally by two wavelengths, with respect to an inner refracting surface at a boundary between adjacent refracting surfaces, and a return step portion located at an outer position of the annular zone group.
摘要翻译：提供光学拾取器的光学系统。光学系统包括在其表面中至少包括相移表面并且位于比物镜更靠近光源的光学元件。在该结构中，满足t1＆nlE; t2，其中t1表示采用第一激光束的第一光盘的覆盖层的厚度，t2表示第二光盘的覆盖层的厚度，使用具有比第一激光束长的波长的激光束。 NA1≥NA2，其中NA1表示第一光盘的数值孔径，NA2表示第二光盘的数值孔径。相移表面包括将第一激光束会聚在第一光盘的记录表面上的第一区域和在第二光盘的记录表面上的第二激光束。第一区域至少包括具有环形区域组的环形区域结构，所述环形区域组包括相对于相邻折射表面之间的边界处的内部折射表面给予第一激光束的附加光程长度通常为两个波长的步骤，以及位于所述环形区域组的外部位置的返回台阶部。

102. 发明授权

US07830772B2 Objective optical system and optical information recording/reproducing device having the same 有权
标题翻译：物镜光学系统和具有该光学系统的光学信息记录/再现装置
公开(公告)号：US07830772B2
公开(公告)日：2010-11-09
申请号：US12194081
申请日：2008-08-19
申请人： Yoshiyuki Tashiro , Daisuke Koreeda , Shuichi Takeuchi
发明人： Yoshiyuki Tashiro , Daisuke Koreeda , Shuichi Takeuchi
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/13922 , G11B2007/0006
摘要： There is provided an objective optical system for an optical information recording/reproducing device. The objective optical system includes an optical element having an annular zone structure on at least one surface. The annular zone structure includes annular zones configured to have at least one step formed, at a boundary between adjacent ones of the annular zones, to extend in a direction of an optical axis. The at least one step is provided to cause a predetermined optical path length difference between a light beam passing through an outside of the boundary and a light beam passing through an inside of the boundary. The predetermined optical path length difference given to a first light beam by the at least one step is approximately equal to an odd multiple of a first wavelength λa. Abbe number of material of the optical element satisfies a condition of 15
摘要翻译：提供了一种用于光信息记录/再现装置的物镜光学系统。物镜光学系统包括在至少一个表面上具有环形区域结构的光学元件。环形区域结构包括环形区域，其被配置为具有在相邻环形区域之间的边界处形成的沿着光轴方向延伸的至少一个台阶。提供至少一个步骤以使通过边界外侧的光束和通过边界内部的光束之间的预定光程长度差。通过至少一个步骤给予第一光束的预定光程长度差近似等于第一波长λa的奇数倍。光学元件的阿贝数量满足15 <＆gt; d <35的条件。

103. 发明授权

US07813252B2 Optical pick-up 有权
标题翻译：光学拾音
公开(公告)号：US07813252B2
公开(公告)日：2010-10-12
申请号：US12195639
申请日：2008-08-21
申请人： Daisuke Koreeda , Shuichi Takeuchi
发明人： Daisuke Koreeda , Shuichi Takeuchi
IPC分类号： G11B7/00
CPC分类号： G11B7/13922 , G11B7/1353 , G11B7/1374 , G11B7/1376 , G11B2007/0006
摘要： There is provided an optical pick-up including first to third light sources respectively emitting first to third light beams, a first coupling lens, and an objective lens formed to converge each of the first, second and third light beams onto the first, second and third optical discs, respectively. The objective lens has a step structure including a plurality of concentrically formed refractive surface zones divided by steps, the step structure having a function of giving, at each step, an optical path length difference of approximately 2λ1 to the first light beam. The first coupling lens causes the first light beam to be incident on the objective lens as a converging beam. The objective lens is positioned to satisfy a condition: −0.35
摘要翻译：提供了包括分别发射第一至第三光束的第一至第三光源的光学拾取器，第一耦合透镜和物镜，其将第一，第二和第三光束中的每一个会聚到第一，第二和第二光束上，第三光盘。物镜具有阶梯结构，该阶梯结构包括多个同步形成的折射表面区域，其阶梯结构具有在每个阶段给出与第一光束大约2λ1的光程长度差异的功能。第一耦合透镜使第一光束作为会聚光束入射到物镜上。物镜被定位成满足条件：-0.35

104. 发明授权

US07738345B2 Optical disc drive and objective lens for the same 失效
标题翻译：光盘驱动器和物镜相同
公开(公告)号：US07738345B2
公开(公告)日：2010-06-15
申请号：US11456943
申请日：2006-07-12
申请人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi , Yoshiyuki Tashiro
发明人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi , Yoshiyuki Tashiro
IPC分类号： G11B7/00
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： There is provided an objective lens used for three types of optical discs including by selectively using one of three types of light beams. At least one of surfaces of the objective lens is provided with a first region converging the third light beam on a recoding surface of the third optical disc. The first region has a step structure configured to have concentric refractive surface zones and to give an optical path length difference to an incident beam at each step formed between adjacent refractive surface zones. The step structure is configured such that the optical path length difference given by each step is substantially equal to an odd multiple of a wavelength of a first light beam, and a value of differentiation of an optical path difference function defining the step structure crosses zero in a height ranging from 30% to 70% of an effective diameter of the first region.
摘要翻译：提供了一种用于三种类型的光盘的物镜，包括通过选择性地使用三种类型的光束之一。物镜的至少一个表面设置有将第三光束会聚在第三光盘的记录表面上的第一区域。第一区域具有构造成具有同心折射表面区域并且在相邻折射表面区域之间形成的每个台阶处的入射光束的光程长度差异的台阶结构。台阶结构被配置为使得由每个步骤给出的光程长度差基本上等于第一光束的波长的奇数倍，并且限定步骤结构的光程差函数的微分值在零高度为第一区域的有效直径的30％至70％。

105. 发明授权

US07433291B2 Objective lens 失效
标题翻译：物镜
公开(公告)号：US07433291B2
公开(公告)日：2008-10-07
申请号：US10956132
申请日：2004-10-04
申请人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
发明人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
IPC分类号： G11B7/00
CPC分类号： G11B7/1392 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An objective lens used for recording data to and/or reproducing data from a plurality of types of optical discs having different thicknesses of cover layers. The objective lens satisfies a condition 0.02
摘要翻译：用于从具有不同厚度的覆盖层的多种类型的光盘记录数据和/或再现数据的物镜。物镜满足条件0.02

106. 发明授权

US07414948B2 Objective lens 有权
标题翻译：物镜
公开(公告)号：US07414948B2
公开(公告)日：2008-08-19
申请号：US10900250
申请日：2004-07-28
申请人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
发明人： Daisuke Koreeda , Koichi Maruyama , Shuichi Takeuchi
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1374 , G11B7/13922 , G11B2007/0006
摘要： There is provided an objective lens used for a plurality of types of optical discs having a front surface and a rear surface, each of which includes an inner region and an outer region. The outer region has a surface shape which suppresses a coma caused when a beam used for a first optical disc is incident thereon obliquely with respect to an optical axis of the objective lens. The inner region is configured such that, at a boundary position between the inner region and the outer region, the coma caused when a beam used for a second optical disc is incident on the inner region obliquely at a first angle with respect to the optical axis is less than the coma caused when the beam used for the second optical disc is incident on the outer region obliquely at the first angle with respect to the optical axis. Further, an inclination θ2A of the inner region and an inclination θ2B of the outer region of the rear surface satisfy a condition: −2.5
摘要翻译：提供了一种用于具有前表面和后表面的多种类型的光盘的物镜，每个光盘包括内部区域和外部区域。外部区域具有抑制当用于第一光盘的光束相对于物镜的光轴倾斜入射时引起的彗差的表面形状。内部区域被构造成使得在内部区域和外部区域之间的边界位置处，当用于第二光盘的光束相对于光轴以第一角度倾斜地入射到内部区域时引起的彗形像小于当用于第二光盘的光束相对于光轴以第一角度倾斜地入射到外部区域时引起的昏迷。此外，后表面的外部区域的内部区域的倾斜度θ2A和斜面θ2B2满足以下条件：<βin-line-formula description = “In-line Formulas”end =“lead”？> - 2.5 （1）<？in-line-formula description =“In-line Formulas”end =“tail”？>

107. 发明授权

US07339876B2 Optical system of optical pick-up 有权
标题翻译：光学拾光器的光学系统
公开(公告)号：US07339876B2
公开(公告)日：2008-03-04
申请号：US10829279
申请日：2004-04-22
申请人： Kenzo Yamanaka , Koichi Maruyama , Shuichi Takeuchi
发明人： Kenzo Yamanaka , Koichi Maruyama , Shuichi Takeuchi
IPC分类号： G11B7/00
CPC分类号： G11B7/1374 , G11B7/1353 , G11B2007/0006
摘要： There is provided an optical system of an optical pick-up for recording/reproducing data to/from at least two types of optical discs including a first optical disc and a second optical disc whose recording density is higher than that of the first optical disc. The optical system is provided with a light source unit for the first and second optical discs, an objective lens, and a photo detector. The optical system further includes an optical surface to satisfy compatibility between the at least two types of optical discs, the optical surface being located between the light source unit and one of the at least two type of optical discs. The optical surface has an inner region having a numerical aperture for the first optical disc, an outer region located having a numerical aperture for the second optical disc, and an intermediate region that is located within the outer region at a periphery of the inner region. Transmissivity for a light beam having a wavelength suitable for the first optical disc in the intermediate region is lower than that in the inner region.
摘要翻译：提供了一种用于向/从至少两种类型的光盘记录/再现数据的光学拾取器的光学系统，包括第一光盘和记录密度高于第一光盘的第二光盘。光学系统设置有用于第一和第二光盘的光源单元，物镜和光电检测器。光学系统还包括光学表面以满足至少两种类型的光盘之间的兼容性，光学表面位于光源单元和至少两种类型的光盘中的一种之间。光学表面具有内部区域，其具有用于第一光盘的数值孔径，具有用于第二光盘的数值孔径的外部区域和位于内部区域周边的外部区域内的中间区域。具有适合于中间区域中的第一光盘的波长的光束的透射率低于内部区域的透射率。

108. 发明授权

US07224662B2 Objective lens for optical pickup 有权
标题翻译：物镜用于光学拾音
公开(公告)号：US07224662B2
公开(公告)日：2007-05-29
申请号：US10430212
申请日：2003-05-07
申请人： Shuichi Takeuchi , Koichi Maruyama , Daisuke Koreeda
发明人： Shuichi Takeuchi , Koichi Maruyama , Daisuke Koreeda
IPC分类号： G11B7/135
CPC分类号： G11B7/139 , G11B7/1353 , G11B7/1374 , G11B2007/0006
摘要： An objective lens for an optical pickup is configured such that, when a light beam having a wavelength corresponding to the optical disc requiring the higher NA is converged on the optical disc requiring the higher NA at the higher NA, the phase of light flux passed through the peripheral area is substantially the same as that passed through the central area. When a light beam having a wavelength corresponding to the optical disc requiring the lower NA is converged on the optical disc requiring the lower NA at the lower NA, the phase of light flux passed through a first annular region included in the peripheral area is different from that passed through the central area, and the phase of light flux passed through a second annular region, which is outside the first region, is substantially the same as that passed through the central area.
摘要翻译：用于光学拾取器的物镜被配置为使得当具有对应于需要较高NA的光盘的波长的光束会聚在需要较高NA的较高NA的光盘上时，光通量的相位通过周边区域与通过中心区域的区域基本相同。当具有对应于需要较低NA的光盘的波长的光束会聚在需要较低NA的较低NA的光盘上时，通过包括在周边区域中的第一环形区域的光通量的相位不同于并且通过第一区域外的第二环状区域的光束的相位与穿过中央区域的光通量大致相同。

109. 发明授权

US07193759B2 Scanning optical system 有权
标题翻译：扫描光学系统
公开(公告)号：US07193759B2
公开(公告)日：2007-03-20
申请号：US10623692
申请日：2003-07-22
申请人： Shuichi Takeuchi , Yutaka Takakubo
发明人： Shuichi Takeuchi , Yutaka Takakubo
IPC分类号： G02B26/08
CPC分类号： G02B26/125
摘要： There is provided a scanning optical system, which is provided with a light source that emits at least one beam, a polygonal mirror, and an imaging optical system that converges the at least one beam deflected by the polygonal mirror to form at least one beam spot on a surface to be scanned. The at least one beam incident on the polygonal mirror is inclined in an auxiliary scanning direction which is perpendicular to the main scanning direction. Further, at least one lens surface of the imaging optical system is configured such that a beam reflected therefrom proceeds toward an outside region of the polygonal mirror.
摘要翻译：提供了一种扫描光学系统，其设置有发射至少一个光束的光源，多面镜和成像光学系统，其收敛由多面镜偏转的至少一个光束以形成至少一个光束点在要扫描的表面上。入射在多面镜上的至少一个光束在垂直于主扫描方向的辅助扫描方向上倾斜。此外，成像光学系统的至少一个透镜表面被配置为使得从其反射的光束朝向多面镜的外部区域。

110. 发明授权

US07049217B2 Method of forming multi-piled bump 有权
标题翻译：形成多堆块的方法
公开(公告)号：US07049217B2
公开(公告)日：2006-05-23
申请号：US10817807
申请日：2004-04-06
申请人： Naoki Ishikawa , Shuichi Takeuchi , Hidehiko Kira
发明人： Naoki Ishikawa , Shuichi Takeuchi , Hidehiko Kira
IPC分类号： H01L21/44
CPC分类号： H01L24/11 , H01L24/73 , H01L25/0657 , H01L2224/05568 , H01L2224/05573 , H01L2224/1134 , H01L2224/1308 , H01L2224/13124 , H01L2224/13144 , H01L2224/13147 , H01L2224/13664 , H01L2224/16145 , H01L2224/45015 , H01L2224/45124 , H01L2224/45144 , H01L2224/45147 , H01L2224/45565 , H01L2224/45644 , H01L2224/48091 , H01L2224/73265 , H01L2225/0651 , H01L2225/06513 , H01L2225/06517 , H01L2225/06527 , H01L2225/06555 , H01L2225/06562 , H01L2924/00011 , H01L2924/00013 , H01L2924/00014 , H01L2924/01005 , H01L2924/01006 , H01L2924/01013 , H01L2924/01029 , H01L2924/01033 , H01L2924/01046 , H01L2924/01078 , H01L2924/01079 , H01L2224/13099 , H01L2924/00 , H01L2924/20752 , H01L2224/05599 , H01L2224/45664
摘要： In the method of forming a multi-piled bump, metal balls can be stably and securely piled so as to form the multi-piled bump having a prescribed height. The method of the present invention comprises the steps of: holding a metal wire by a capillary; sparking and melting the wire so as to form metal balls; piling a plurality of the metal balls with applying a load and ultrasonic vibrations thereto, and characterized in that a tail length of the metal wire, which is held by the capillary, is controlled to make a gap between a center of the metal wire and a center of the metal ball one half of a diameter of the metal wire or less.
摘要翻译：在形成多层凸块的方法中，可以稳定且可靠地堆叠金属球，以形成具有规定高度的多层凸块。本发明的方法包括以下步骤：通过毛细管保持金属线; 引发和熔化电线，形成金属球; 通过施加载荷和超声振动来堆叠多个金属球，其特征在于，控制由毛细管保持的金属线的尾部长度，以在金属丝的中心和金属球的中心是金属线的直径的一半或更少。

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