公开(公告)号：US20070019518A1

公开(公告)日：2007-01-25

申请号：US11487518

申请日：2006-07-17

Applicant: Mika Wachi ,  Kiyono Ikenaka ,  Katsuya Sakamoto

Inventor： Mika Wachi ,  Kiyono Ikenaka ,  Katsuya Sakamoto

IPC: G11B7/00

CPC classification number: G11B7/1275 ,  G11B7/1376 ,  G11B7/13922 ,  G11B2007/0006

Abstract: An optical pickup apparatus which conducts reproducing and/or recording information for a first optical information recording medium by using a light flux having a wavelength λ1 (350≦λ1 (nm)≦480) and a second optical information recording medium. The optical pickup apparatus comprises an output angle conversion element which is a fixedly arranged single lens which can convert an output angle of the first light flux and the second light flux. The optical detector equipped in the optical pickup apparatus can receive both of the first light flux and the second light flux. And, both optical surfaces of the output angle conversion element are refractive surfaces.

Abstract translation: 一种光学拾取装置，其通过使用具有波长λ1（350≤λ（nm）= 480）的光束和第二光学信息记录介质来传送用于第一光学信息记录介质的信息的再现和/或记录。 光拾取装置包括输出角转换元件，其是可以转换第一光通量和第二光通量的输出角度的固定布置的单透镜。 配备在光学拾取装置中的光学检测器可以接收第一光通量和第二光束两者。 并且，输出角转换元件的两个光学表面都是折射表面。

公开(公告)号：US07697392B2

公开(公告)日：2010-04-13

申请号：US11487518

申请日：2006-07-17

Applicant: Mika Wachi ,  Kiyono Ikenaka ,  Katsuya Sakamoto

Inventor： Mika Wachi ,  Kiyono Ikenaka ,  Katsuya Sakamoto

IPC: G11B7/135 ,  G11B7/00

CPC classification number: G11B7/1275 ,  G11B7/1376 ,  G11B7/13922 ,  G11B2007/0006

Abstract: An optical pickup apparatus which conducts reproducing and/or recording information for a first optical information recording medium by using a light flux having a wavelength λ1 (350≦λ1 (nm)≦480) and a second optical information recording medium. The optical pickup apparatus comprises an output angle conversion element which is a fixedly arranged single lens which can convert an output angle of the first light flux and the second light flux. The optical detector equipped in the optical pickup apparatus can receive both of the first light flux and the second light flux. And, both optical surfaces of the output angle conversion element are refractive surfaces.

Abstract translation: 一种光拾取装置，其通过使用具有波长λ1（350＆amp;λ1（nm）＆nlE; 480）的光束和第二光学信息记录介质来传送用于第一光学信息记录介质的信息的再现和/或记录。 光拾取装置包括输出角转换元件，其是可以转换第一光通量和第二光通量的输出角度的固定布置的单透镜。 配备在光学拾取装置中的光学检测器可以接收第一光通量和第二光束两者。 并且，输出角转换元件的两个光学表面都是折射表面。

公开(公告)号：US20060023611A1

公开(公告)日：2006-02-02

申请号：US11183608

申请日：2005-07-18

Applicant: Mika Wachi ,  Tohru Kimura ,  Kiyono Ikenaka

Inventor： Mika Wachi ,  Tohru Kimura ,  Kiyono Ikenaka

IPC: G11B7/00

CPC classification number: G11B7/1367 ,  G11B7/1374

Abstract: The present invention provides a compound optical element for an optical pickup apparatus, including: an aspherical lens and a resin layer arranged on at least one optical surface of the aspherical lens and having a phase structure, wherein the compound optical element satisfies a predetermined condition for optical path lengths of a light flux which passes the resin layer. The present invention also provides a compound optical element for an optical pickup apparatus including: a first lens part with a predefined Abbe number; a second lens part with a predefined Abbe number laminated on the first lens part and a phase structure formed on a boundary between the first lens part and air.

Abstract translation: 本发明提供了一种用于光学拾取装置的复合光学元件，包括：非球面透镜和布置在非球面透镜的至少一个光学表面上并具有相位结构的树脂层，其中复合光学元件满足预定条件 通过树脂层的光通量的光路长度。 本发明还提供了一种用于光学拾取装置的复合光学元件，包括：具有预定阿贝数的第一透镜部分; 具有层叠在第一透镜部分上的预定义阿贝数的第二透镜部分和形成在第一透镜部分和空气之间的边界上的相位结构。

公开(公告)号：US07369480B2

公开(公告)日：2008-05-06

申请号：US11108750

申请日：2005-04-19

Applicant: Kiyono Ikenaka ,  Mika Wachi

Inventor： Kiyono Ikenaka ,  Mika Wachi

IPC: G11B7/135

CPC classification number: G11B7/1374 ,  G11B7/1353 ,  G11B7/1367 ,  G11B7/13922 ,  G11B2007/0006

Abstract: An optical pickup device includes a light source emitting a light beam having a wavelength within a range of 390 nm to 420 nm and an optical element to perform recording and/or reproducing of information of an optical disk having a protective substrate thickness d1 mm using the first light beam from the first light source, wherein the optical element is made of a mixed material produced by dispersing particles into a resin, a sign of a refractive index change Δn2/Δt of the particles owing to a temperature change is opposite to a sign of a refractive index change Δn1/Δt of the resin owing to a temperature change, or an absolute value of the refractive index change Δn2/Δt is smaller than an absolute value of the refractive index change Δn1/Δt.

Abstract translation: 光拾取装置包括发射波长在390nm至420nm范围内的光束的光源和用于执行具有保护基板厚度d的光盘的信息的记录和/或再现的光学元件， 使用来自第一光源的第一光束，其中光学元件由通过将颗粒分散到树脂中而制成的混合材料，折射率变化的符号Deltan2 /由于温度变化引起的颗粒的变形与折射率变化的迹象相反，由于温度变化或折射率变化的绝对值，树脂的变形 Deltan＆lt; 2＆gt; / Deltat小于折射率变化的绝对值Deltan＆lt; 1＆gt; / Deltat。

公开(公告)号：US20050237899A1

公开(公告)日：2005-10-27

申请号：US11108750

申请日：2005-04-19

Applicant: Kiyono Ikenaka ,  Mika Wachi

Inventor： Kiyono Ikenaka ,  Mika Wachi

IPC: G11B7/00 ,  G11B7/135

CPC classification number: G11B7/1374 ,  G11B7/1353 ,  G11B7/1367 ,  G11B7/13922 ,  G11B2007/0006

Abstract: An optical pickup device includes a light source emitting a light beam having a wavelength within a range of 390 nm to 420 nm and an optical element to perform recording and/or reproducing of information of an optical disk having a protective substrate thickness d1 mm using the first light beam from the first light source, wherein the optical element is made of a mixed material produced by dispersing particles into a resin, a sign of a refractive index change Δn2/Δt of the particles owing to a temperature change is opposite to a sign of a refractive index change Δn1/Δt of the resin owing to a temperature change, or an absolute value of the refractive index change Δn2/Δt is smaller than an absolute value of the refractive index change Δn1/Δt.

Abstract translation: 光拾取装置包括发射波长在390nm至420nm范围内的光束的光源和用于执行具有保护基板厚度d的光盘的信息的记录和/或再现的光学元件， 使用来自第一光源的第一光束，其中光学元件由通过将颗粒分散到树脂中而制成的混合材料，折射率变化的符号Deltan2 /由于温度变化引起的颗粒的变形与折射率变化的迹象相反，由于温度变化或折射率变化的绝对值，树脂的变形 Deltan＆lt; 2＆gt; / Deltat小于折射率变化的绝对值Deltan＆lt; 1＆gt; / Deltat。

公开(公告)号：US20050224693A1

公开(公告)日：2005-10-13

申请号：US11100387

申请日：2005-04-07

Applicant: Kiyono Ikenaka ,  Tatsuji Kurogama ,  Mika Wachi

Inventor： Kiyono Ikenaka ,  Tatsuji Kurogama ,  Mika Wachi

IPC: G11B7/00 ,  G11B7/125 ,  G11B7/1275 ,  G11B7/1367 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/139 ,  G11B7/1392 ,  G02B7/04 ,  G01V8/00

CPC classification number: G11B7/13925 ,  G11B7/1275 ,  G11B7/1367 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/139 ,  G11B2007/0006

Abstract: An optical pickup apparatus includes: a first light source for emitting a first light flux with a wavelength λ1 for recording and/or reproducing information on a first optical disc having a protective substrate with a thickness t1; a third light source for emitting a third light flux with a wavelength λ3 for recording and/or reproducing information on a third optical disc having a protective substrate with a thickness t3; and an objective lens arranged in a common optical path of the first light flux and the third light flux when the optical pickup apparatus records and/or reproduces information on each of the first and third optical discs, wherein the first light flux enters into the objective lens as a converging light flux, and a magnification m3 of the objective lens for a third light flux satisfies − 1/10≦m3

Abstract translation: 光拾取装置包括：第一光源，用于发射具有波长λ1的第一光通量，用于在具有厚度为t 1的保护基板的第一光盘上记录和/或再现信息; 第三光源，用于发射具有波长λ3的第三光通量，用于在具有厚度t 3的保护衬底的第三光盘上记录和/或再现信息; 以及当所述光学拾取装置在所述第一和第三光盘中的每一个上记录和/或再现信息时，布置在所述第一光束和所述第三光束的公共光路中的物镜，其中所述第一光通量进入所述目标 透镜作为会聚光束，并且用于第三光通量的物镜的倍率m 3满足-1 /10≤m3 <0。

公开(公告)号：US20060109771A1

公开(公告)日：2006-05-25

申请号：US11273087

申请日：2005-11-15

Applicant: Yuichi Atarashi ,  Mika Wachi ,  Junji Hashimura

Inventor： Yuichi Atarashi ,  Mika Wachi ,  Junji Hashimura

IPC: G11B7/00

CPC classification number: G11B7/1395 ,  G11B7/127 ,  G11B7/1376 ,  G11B2007/0006

Abstract: An optical pickup device, including: first, second and third light sources performing recording and/or reproduction of information for information recording surfaces of first, second and third optical information recording medium each having a protective substrate with a thickness t1, t2 and t3, respectively; a first objective optical system for guiding at least the first beam to the information recording surface of first optical information recording medium; second objective optical system provided separately from the first objective optical system, for guiding at least the third beam to information recording surface of the third optical information recording medium; and at least one light receiving element for detecting light reflected on the information recording surfaces of the first to third optical information recording media.

Abstract translation: 一种光学拾取装置，包括：第一，第二和第三光源，用于执行记录和/或再现用于信息记录表面的信息，所述信息记录表面具有第一，第二和第三光学信息记录介质，每个具有厚度为t 1，t 2的保护基板， t 3; 用于将至少第一光束引导到第一光学信息记录介质的信息记录表面的第一物镜光学系统; 与第一物镜光学系统分开设置的用于将至少第三光束引导到第三光学信息记录介质的信息记录表面的第二物镜光学系统; 以及用于检测在第一至第三光学信息记录介质的信息记录表面上反射的光的至少一个光接收元件。

公开(公告)号：US20050281172A1

公开(公告)日：2005-12-22

申请号：US11153391

申请日：2005-06-16

Applicant: Mika Wachi

Inventor： Mika Wachi

IPC: G11B7/00 ,  G11B7/135

CPC classification number: G11B7/1353 ,  G11B7/1374 ,  G11B7/1392 ,  G11B7/13922 ,  G11B2007/0006

Abstract: A converging optical element for use in an optical pickup apparatus reproducing and/or recording information on a first optical disc using a first light flux with a wavelength λ1 emitted by a first light source, reproducing and/or recording information on a second optical disc using a second light flux with a wavelength λ2 emitted by a second light source, and reproducing and/or recording information on a third optical disc using a third light flux with a wavelength λ3 emitted by a third light source, the converting optical element includes: a phase structure arranged on at least one surface of the converging optical element, wherein when f3 is a focal length of the converging optical element for the third light flux, the focal length f3 satisfies a predefined condition.

Abstract translation: 一种用于光学拾取装置的会聚光学元件，其使用由第一光源发射的具有波长λ1的第一光通量在第一光盘上再现和/或记录信息，在第二光盘上再现和/或记录信息 使用由第二光源发射的具有波长λ2的第二光束，以及使用由第三光源发射的具有波长λ3的第三光束在第三光盘上再现和/或记录信息，转换光学元件 包括：布置在会聚光学元件的至少一个表面上的相位结构，其中当f 3是用于第三光束的会聚光学元件的焦距时，焦距f 3满足预定条件。

公开(公告)号：US07613096B2

公开(公告)日：2009-11-03

申请号：US11153391

申请日：2005-06-16

Applicant: Mika Wachi

Inventor： Mika Wachi

IPC: G11B7/00

CPC classification number: G11B7/1353 ,  G11B7/1374 ,  G11B7/1392 ,  G11B7/13922 ,  G11B2007/0006

Abstract: A converging optical element for use in an optical pickup apparatus reproducing and/or recording information on a first optical disc using a first light flux with a wavelength λ1 emitted by a first light source, reproducing and/or recording information on a second optical disc using a second light flux with a wavelength λ2 emitted by a second light source, and reproducing and/or recording information on a third optical disc using a third light flux with a wavelength λ3 emitted by a third light source, the converting optical element includes: a phase structure arranged on at least one surface of the converging optical element, wherein when f3 is a focal length of the converging optical element for the third light flux, the focal length f3 satisfies a predefined condition.

Abstract translation: 一种用于光学拾取装置的会聚光学元件，其使用由第一光源发射的具有波长λ1的第一光通量在第一光盘上再现和/或记录信息，在第二光盘上再现和/或记录信息，其使用 由第二光源发射的具有波长λ2的第二光束，以及使用由第三光源发射的波长λ3的第三光束在第三光盘上再现和/或记录信息，所述转换光学元件包括： 配置在会聚光学元件的至少一个表面上的相位结构，其中当f 3是用于第三光束的会聚光学元件的焦距时，焦距f3满足预定条件。