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11. 发明授权

US06807337B2 Optical device 失效
标题翻译：光学装置
公开(公告)号：US06807337B2
公开(公告)日：2004-10-19
申请号：US10131047
申请日：2002-04-25
申请人： Shigeo Kittaka , Masahiro Oikawa
发明人： Shigeo Kittaka , Masahiro Oikawa
IPC分类号： G02B632
CPC分类号： G02B6/2938 , G02B6/2937 , G02B6/32
摘要： In an optical system in which light output from an optical fiber (11) is collimated into parallel light rays by a gradient index rod lens (13), reflected by a filter (4) and then converged again by the rod lens (13) so that the resulting light is coupled to an optical fiber (12), a principal beam component of the light output from the optical fiber (11) disagrees with an optical axis (32) of the optical fiber (12) to thereby cause a coupling loss. When W is the distance between optical axes (31 and 32) of optical fibers (11 and 12) and Z is the length of a rod lens (13) on an optical axis (33) of the rod lens, the optical fibers (11 and 12) and the rod lens (13) are disposed to satisfy the condition: W·g·(0.25−Z/P)2≦6×10−5 in which g is a gradient index distribution coefficient of the rod lens, and P is the periodic length of the rod lens (13).
摘要翻译：在由光纤（11）输出的光被梯度折射率棒状透镜（13）准直成平行光的光学系统中，被过滤器（4）反射，然后被棒状透镜（13）再次会聚所得到的光耦合到光纤（12），从光纤（11）输出的光的主光束分量与光纤（12）的光轴（32）不一致，从而导致耦合损耗。当W是光纤（11和12）的光轴（31和32）之间的距离，Z是棒状透镜的光轴（33）上的棒状透镜（13）的长度时，光纤（11 和12）和棒状透镜（13）设置成满足条件：其中g是棒状透镜的梯度折射率分布系数，P是棒状透镜（13）的周期长度。

12. 发明授权

US5268071A Process of producing a magnetic disk substrate 失效
标题翻译：制造磁盘基板的工艺
公开(公告)号：US5268071A
公开(公告)日：1993-12-07
申请号：US943378
申请日：1992-09-10
申请人： Kenzou Sono , Eiji Okuda , Masahiro Oikawa , Shinya Kawakita
发明人： Kenzou Sono , Eiji Okuda , Masahiro Oikawa , Shinya Kawakita
IPC分类号： G11B5/84 , H01L21/00
CPC分类号： G11B5/8404
摘要： The present invention relates to a process of producing a magnetic disk substrate comprising etching the surface of a glass substrate to form minute irregularities on the surface thereof, by employing the molten salt containing at least a kind of nitrite of cation, which process can prevent the deterioration of the mechanical property and magnetic property of the glass sabstrate for use as a magnetic disk for a long time.
摘要翻译： PCT No.PCT / JP90 / 00547 Sec。 371 1990年12月20日第 102（e）1990年12月20日日期PCT提交1990年4月26日PCT公布。出版物WO90 / 日本1990年11月1日。本发明涉及一种制造磁盘基板的方法，该方法包括：通过使用含有至少一种亚硝酸盐的熔融盐，蚀刻玻璃基板的表面以在其表面上形成微小的凹凸，阳离子，该方法可以防止长时间用作磁盘的玻璃基板的机械性能和磁性的劣化。

13. 发明授权

US07238935B2 Light detection device 失效
标题翻译：光检测装置
公开(公告)号：US07238935B2
公开(公告)日：2007-07-03
申请号：US11234748
申请日：2005-09-23
申请人： Kenichi Asada , Kenjiro Hamanaka , Masahiro Oikawa , Kenichi Nakama
发明人： Kenichi Asada , Kenjiro Hamanaka , Masahiro Oikawa , Kenichi Nakama
IPC分类号： H01J3/14
CPC分类号： G01J1/58 , G01J1/0271 , G01J1/0403 , G01J1/0407 , G01J1/0425
摘要： A light detection device for detecting an optical path position of invisible light. The detection device includes a main body and a light guide. The light guide includes a distal end functioning as a light incident portion through which the detected light enters and a light radiation portion from which visible light is emitted. A drive mechanism reciprocates the light guide in an X-direction while vibrating the light guide in a perpendicular Y-direction. The distal end of the light guide rod moves within a light detection area in an XY plane. A visible light-emitting unit radiates visible light from the distal end when the detected light enters the distal end. The visible light-emitting unit includes a photo-detector for detecting the detected light and a light-emitting element for generating the visible light when the photo-detector detects the detected light.
摘要翻译：一种用于检测不可见光的光路位置的光检测装置。检测装置包括主体和光导。光导包括用作被检测光入射的光入射部分的远端和从其发射可见光的光辐射部分。驱动机构使光导沿X方向往复运动，同时在垂直的Y方向振动导光体。导光杆的远端在XY平面内的光检测区域内移动。当检测到的光进入远端时，可见光发射单元从远端辐射可见光。可见光发射单元包括用于检测检测到的光的光检测器和当光检测器检测到检测到的光时产生可见光的发光元件。

14. 发明申请

US20050153105A1 Multilayer structure and method for manufacturing the same 有权
标题翻译：多层结构及其制造方法
公开(公告)号：US20050153105A1
公开(公告)日：2005-07-14
申请号：US10996373
申请日：2004-11-26
申请人： Katsuhide Shimmo , Yasuji Sasaki , Masahiro Oikawa , Keiji Tsunetome
发明人： Katsuhide Shimmo , Yasuji Sasaki , Masahiro Oikawa , Keiji Tsunetome
IPC分类号： G02B5/30 , B32B3/00 , C03C17/34 , C03C17/42 , G02B1/00 , G02B5/18
CPC分类号： G02B1/005 , C03C17/3482 , C03C17/42 , Y10T428/1041 , Y10T428/24521 , Y10T428/24545 , Y10T428/24612 , Y10T428/24628
摘要： A surface of a substrate is coated with a sol solution containing metal alkoxide. A gelled material of the sol solution is pressed against a molding tool while the gelled material is kept soft. Thus, the gelled material is molded. Then, the gelled material is hardened. As a result, protrusions of the hardened gel layer 14 are formed on the substrate so that an irregular texture substrate is formed. A multilayer thin film constituted by a plurality of layers of at least two kinds of materials with different refractive indexes is laminated on a surface of the irregular texture substrate.
摘要翻译：用含有金属醇盐的溶胶溶液涂覆基材的表面。将溶胶溶液的胶凝材料压在模制工具上，同时使凝胶材料保持柔软。因此，胶凝材料被模制。然后，凝胶化材料硬化。结果，在基板上形成硬化凝胶层14的突出部，从而形成不规则的纹理基板。由不均匀折射率的至少两种材料的多层构成的多层薄膜层叠在不规则纹理基板的表面上。

15. 发明授权

US06470712B2 Method of changing the surface of a glass substrate containing silver, by using a laser beam 失效
公开(公告)号：US06470712B2
公开(公告)日：2002-10-29
申请号：US09789090
申请日：2001-02-20
申请人： Tadashi Koyama , Keiji Tsunetomo , Masahiro Oikawa , Kenjiro Hamanaka
发明人： Tadashi Koyama , Keiji Tsunetomo , Masahiro Oikawa , Kenjiro Hamanaka
IPC分类号： C03B37018
CPC分类号： B23K26/18 , B23K26/032 , B23K26/06 , B23K26/064 , B23K26/0648 , B23K26/066 , B23K26/0665 , B23K26/389 , C03B23/006 , C03B23/02 , C03B29/00 , C03B29/025 , C03B2201/58 , C03C23/0025 , G02B3/0012 , G02B3/0056 , G02B6/32 , G02B6/3644 , G02B6/3664 , Y02P40/57
摘要： A laser processing method for removing glass by melting, evaporation or ablation from sheet-like glass substrate for forming microscopic concavities and convexities. Diffraction grating and planar microlens array obtained thereby.

16. 发明授权

US5337186A Transmissive image display device 失效
标题翻译：透射图像显示装置
公开(公告)号：US5337186A
公开(公告)日：1994-08-09
申请号：US893321
申请日：1992-06-03
申请人： Masahiro Oikawa , Hiroyuki Nemoto , Kenjiro Hamanaka , Takashi Kishimoto , Fumiaki Funada , Hiroshi Hamada , Takashi Shibatani
发明人： Masahiro Oikawa , Hiroyuki Nemoto , Kenjiro Hamanaka , Takashi Kishimoto , Fumiaki Funada , Hiroshi Hamada , Takashi Shibatani
IPC分类号： G02B3/00 , G02F1/1335 , G02B27/00
CPC分类号： G02B3/0056 , G02B3/0012 , G02F1/133526
摘要： A projection-type image display device includes a transmissive image display panel having a matrix of pixels arranged at different pitches in different directions perpendicular to each other, and a planar microlens array for converging light emitted by a light source onto the transmissive image display panel. The planar microlens array comprises a substrate and a matrix of microlenses disposed on the substrate for converging the light onto the pixels, respectively, each of the microlenses being of an oblong shape. Each of the microlenses may have a longitudinal axis inclined with respect to an axis of the matrix of pixels to cover the pixel aperture of one of the pixels. The oblong shape of each of the microlenses may be composed of a pair of spaced identical semicircles and a rectangle interconnecting the identical semicircles and having sides of the same length as the diameter of the semicircles. Since the oblong microlenses are shaped to fully cover the pixel apertures of the corresponding pixels, the light from the light source is efficiently converged onto the pixels by the microlenses to produce light display images.
摘要翻译：投影型图像显示装置包括具有以彼此垂直的不同方向上以不同间距排列的像素矩阵的透射图像显示面板和用于将由光源发射的光会聚到透射图像显示面板上的平面微透镜阵列。平面微透镜阵列包括基板和设置在基板上的微透镜矩阵，用于将光聚焦到像素上，每个微透镜为长方形。每个微透镜可以具有相对于像素矩阵的轴线倾斜的纵轴，以覆盖像素之一的像素孔径。每个微透镜的长方形可以由一对间隔开的相同的半圆形构成，并且将相同的半圆相互连接并具有与半圆的直径相同长度的边的矩形。由于长圆形微透镜被成形为完全覆盖对应像素的像素孔径，所以来自光源的光通过微透镜有效地会聚到像素上，以产生光显示图像。

17. 发明授权

US4952037A Plate microlens and method for manufacturing the same 失效
标题翻译：板微透镜及其制造方法
公开(公告)号：US4952037A
公开(公告)日：1990-08-28
申请号：US317079
申请日：1989-02-28
申请人： Masahiro Oikawa , Tetsuya Yamasaki , Kouji Tanaka , Eiji Okuda
发明人： Masahiro Oikawa , Tetsuya Yamasaki , Kouji Tanaka , Eiji Okuda
IPC分类号： G02B3/00
CPC分类号： C03C3/091 , C03C21/005 , C03C3/078 , C03C3/083 , C03C3/089 , G02B3/0087
摘要： In a plate microlens of the invention wherein gradient index lenses each having an optical axis along a normal to a surface of a transparent base and a refractive index profile gradually changing along a direction of the optical axis and a direction perpendicular thereto are formed integrally in the transparent base, a ratio d/a (where d is a thickness of the gradient index lens on the optical axis and 2a is a diameter of the gradient index lens on a surface of the transparent base) falls within a range of 0.46 to 0.78. In a method for manufacturing a plate microlens of the invention of forming integrally in a transparent base gradient index lenses with a gradient index profile based on a concentration gradient of a substance for increasing the refractive index of the transparent base, by forming a diffusion preventive mask with predetermined apertures on a surface of the transparent base and diffusing the substance into the transparent base through the apertures, a ratio a/rm (where rm is a radius of the apertures and a is a radius of the gradient index lenses to be formed) satisfies a relation 1.75.ltoreq.a/rm.ltoreq.4.5.
摘要翻译：在本发明的板微透镜中，其中具有沿着垂直于透明基底的法线的光轴和沿着光轴的方向和垂直于其的方向逐渐变化的折射率分布的梯度折射率透镜一体形成在透明基材，比率d / a（其中d是光轴上的梯度折射率透镜的厚度，2a是透明基材的表面上的梯度折射率透镜的直径）在0.46〜0.78的范围内。在本发明的板微透镜的制造方法中，通过形成扩散防止掩模，通过形成基于用于增加透明基材的折射率的物质的浓度梯度的梯度折射率分布的透明基底梯度折射率透镜，在透明基底的表面上具有预定的孔，并且通过孔将物质扩散到透明基底中，比率a / rm（其中rm是孔的半径，a是要形成的渐变折射率透镜的半径）满足关系1.75

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