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1. 发明专利

JP2001262135A PHOTOCHROMIC MATERIAL AND OPTICAL RECORDING MEDIUM 失效
公开(公告)号：JP2001262135A
公开(公告)日：2001-09-26
申请号：JP2000083459
申请日：2000-03-24
申请人： MINOLTA CO LTD , IRIE MASAHIRO
发明人： SAKATA TADAFUMI , OGURA KAZUYUKI , KOJIMA SEIJI , IRIE MASAHIRO
IPC分类号： G03C1/73 , C09K9/02 , G11B7/24 , G11B7/244 , G11B7/26
摘要： PROBLEM TO BE SOLVED: To provide a photochromic material suitable for recording materials, composed of a ring-opening substance whose absorption band extends to the vicinity of visible range and an optical recording medium using the above material, excellent in repeated durability and irreversibility to heat on the occasion of recording, erasing and reproduction and having low production cost. SOLUTION: This photochromic material is composed of a diarylethene-based compound represented by a general formula 1 [R1 is an alkyl group which may be substituted or an alkoxy group which may be substituted; R2 to R7 are each hydrogen atom or an alkyl group which may be substituted or an alkoxy group which may be substituted or an aryl group which may be substituted; and A is a thiophene or a benzothiophene derivative].

2. 发明专利

JP2004294520A Optical functional element 审中-公开
标题翻译：光学功能元件
公开(公告)号：JP2004294520A
公开(公告)日：2004-10-21
申请号：JP2003083266
申请日：2003-03-25
申请人： Minolta Co Ltd , ミノルタ株式会社
发明人： OKITSU MASAHIRO , OGURA KAZUYUKI , HATANO HIROSHI
IPC分类号： G01B9/02 , G02B3/08 , G02B5/18 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To obtain a high-NA optical functional element that is used for a surface shape measuring instrument for a curved-surface lens in a spherical or aspherical shape with a high surface angle, a high-NA pickup system, etc., and can diffract light at up to a large angle. SOLUTION: The optical functional element is a diffracting element having a 1st surface 15a and a 2nd surface 15b having diffraction patterns. Incident light of specified wavelength after being diffracted and deflected by the 1st surface 15a and 2nd surface 15b in order is reflected by an external reflecting surface (an examined surface of a lens 40 to be measured), and diffracted and deflected by the 2nd surface 15b and 1st surface 15b in order to exit. The incident light diffracted and deflected twice by the 1st surface 15a and 2nd surface 15b to obtain high NA. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题为了获得用于具有高表面角的球面或非球面形状的曲面透镜的表面形状测量装置的高NA光学功能元件，高NA拾取系统等等，并且可以以大角度衍射光。光功能元件是具有第一表面15a和具有衍射图案的第二表面15b的衍射元件。被第一表面15a和第二表面15b衍射和偏转之后的特定波长的入射光被外部反射表面（被测量的透镜40的检测表面）反射，并被第二表面15b衍射和偏转和第一表面15b以便退出。入射光被第一表面15a和第二表面15b衍射和偏转两次以获得高NA。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2001126256A METHOD AND DEVICE FOR ERASING INFORMATION RECORDING USING NEAR FIELD LIGHT 失效
公开(公告)号：JP2001126256A
公开(公告)日：2001-05-11
申请号：JP30394099
申请日：1999-10-26
申请人： MINOLTA CO LTD
发明人： OGURA KAZUYUKI
IPC分类号： G11B7/0045 , G11B7/0055 , G11B7/125
摘要： PROBLEM TO BE SOLVED: To provide an information recording and erasing method which is the information recording and erasing method for recording information on a phase transition type optical recording medium or erasing the information from this recording medium by using near field light and is capable of stably recording and erasing the information at a high speed as well as an information recording and erasing device which is capable of stably recording the information at a high speed to the phase transition type optical recording medium and erasing the information from the recording medium by implementing the information recording and erasing method and the optical recording medium. SOLUTION: The optical recording medium has a recording layer 103 formed of a phase transition material for recording the information and the phase transition of the portions 1030 irradiated with the proximity field light to a crystalline phase or amorphous phase is caused by the heating resulted from the irradiation of the recording layer 103 with the near field light NE, by which the state recorded with the information or the state erased with the information by the phase transition state is obtained. In recording or erasing the information by the near field light NE of the optical recording medium 100 at this time, the portions 1030 irradiated with the proximity field light and (or) the portions 1031 near the same are auxiliarily heated to respective different prescribed temperature when the information is recorded and when the information is erased.

4. 发明专利

JP2000268366A INFORMATION RECORDING/ERASING METHOD AND APPARATUS FOR OPTICAL RECORDING MEDIUM 失效
公开(公告)号：JP2000268366A
公开(公告)日：2000-09-29
申请号：JP7543999
申请日：1999-03-19
申请人： MINOLTA CO LTD
发明人： OGURA KAZUYUKI , KOJIMA SEIJI
IPC分类号： G11B7/244 , G11B7/00 , G11B7/0045 , G11B7/0055 , G11B7/24
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for recording/erasing information on/from an optical recording medium by utilizing photoisomerization reaction between two isomers of a photochromic molecule in which photochromic reaction efficiency can be enhanced when information is recorded or erased and an optical recording medium used in the method and apparatus. SOLUTION: In the recording medium M where information can be recorded or erased by utilizing a photoisomerization reaction between two isomers of a photochromic molecule, information is recorded or erased using such a medium M as the transition moments of two isomers have a substantially orthogonal relationship at a wavelength where two isomers of a molecule oriented in a predetermined direction exhibit light absorption. In such an information recorder/ eraser, a control section 300 controls the apparatus 100 to regulate the light L being emitted from a light source 31 when information is recorded into a linear polarized light L' having a plane of polarization substantially parallel with the transition moment of one isomer.

5. 发明专利

JP2000251282A NEAR-FIELD OPTICAL RECORDING/REPRODUCING APPARATUS 失效
公开(公告)号：JP2000251282A
公开(公告)日：2000-09-14
申请号：JP5370099
申请日：1999-03-02
申请人： MINOLTA CO LTD
发明人： OGURA KAZUYUKI
IPC分类号： G11B7/09 , G01N37/00 , G01Q60/18 , G01Q80/00 , G01N13/10 , G01N13/14
摘要： PROBLEM TO BE SOLVED: To obtain a near-field optical recording/reproducing apparatus in a high-density optical memory utilizing the near-field beam, wherein any change is never generated on the recording layer with the laser beam used for distance control between the near-field optical generating means and an optical recording medium. SOLUTION: This apparatus performs recording and reproducing of information by radiating the near-field beam generated from a small aperture at the end of an optical fiber probe 11 to the optical recording medium 30. The distance control between the end part of the probe 11 and optical recording medium 30 is performed through the share force control by a piezo-element 16 by radiation of laser beam B2 to the probe 11. This laser beam B2 is set to the wavelength not absorbed by the recording layer consisting of the photo-chromic material.

6. 发明专利

JP2000096231A FILM FORMING DEVICE AND FORMATION OF FILM 失效
公开(公告)号：JP2000096231A
公开(公告)日：2000-04-04
申请号：JP26441698
申请日：1998-09-18
申请人： MINOLTA CO LTD
发明人： NISHINO DAISUKE , OGURA KAZUYUKI , MIYAURA TOMOKO
IPC分类号： B01J3/03 , C23C14/50
摘要： PROBLEM TO BE SOLVED: To direct a body to be film-formed toward an optional direction while film formation is executed and to direct the optional face toward an evaporating source by holding the body to be film-formed in a vacuum vessel by a freely rotatably inserted rod through the inside of a deformable tube connected to the inside of the vessel. SOLUTION: In a vacuum vessel 1 in which an exhaust port 6 is connected with an exhaust pipe 7, a film forming material 11 of Cr or the like is evaporated by a heating vessel 12, is ionized by an activating means 13 such as a filament or the like and is deposited on the body 21 t be film-formed to form a film. The body 21 to be film-formed is held by a holder 20 mounted on the inner edge part 18 of a rod 17 inserted into a vacuum tank 5. Moreover, the rod 17 is inserted into the vacuum tank 5 through the inside of a tube 2 provided with joints 15 and 16 on the both edges of a flexible tube 14 and is airtightly and freely rotatably provided via a flange. In this way, while the body 21 to be film-formed is observed from an inspecting window 8 while the film formation is executed, the outer edge part 19 is operated and it can be directed toward an optional direction.

7. 发明专利

JP2004279075A Lens eccentricity measuring method and measuring device 审中-公开
标题翻译：透镜偏差测量方法和测量装置
公开(公告)号：JP2004279075A
公开(公告)日：2004-10-07
申请号：JP2003067673
申请日：2003-03-13
申请人： Minolta Co Ltd , ミノルタ株式会社
发明人： OGURA KAZUYUKI , OKITSU MASAHIRO , HATANO HIROSHI
IPC分类号： G01B9/02 , G01B11/00 , G01M11/00
摘要： PROBLEM TO BE SOLVED: To provide a measuring method and a measuring device which measures the eccentricity quantity of a lens having at least one aspheric surface accurately in a short time.
SOLUTION: This measuring method includes processes for: allowing the aspheric axis of a first surface 1a to agree with the rotation axis of an air bearing 11 for holding the lens 1 by observing the first surface 1a whose eccentricity quantity is to be measured of the lens 1 comprising aspheric surfaces wherein the first surface 1a has an aspheric surface and a second surface 1b has a plane part 1c by an interferometer 20, and by adjusting an interference fringe in one color; and measuring runout of the plane part 1c and the second surface 1b by an optical lever 30, and measuring the parallel eccentricity quantity and the tilt eccentricity quantity of the lens 1, in the state where the lens 1 is rotated with the air bearing 11.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在短时间内精确地测量具有至少一个非球面的透镜的偏心量的测量方法和测量装置。解决方案：该测量方法包括以下处理：通过观察要测量偏心量的第一表面1a，允许第一表面1a的非球面轴线与用于保持透镜1的空气轴承11的旋转轴一致包括非球面的透镜1，其中第一表面1a具有非球面，第二表面1b具有通过干涉仪20的平面部分1c，并且通过调整一种颜色的干涉条纹; 并且通过光学杆30测量平面部分1c和第二表面1b的跳动，并且在透镜1与空气轴承11一起旋转的状态下测量透镜1的平行偏心量和倾斜偏心量。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2002169093A SOLID IMMERSION MIRROR, MANUFACTURE OF THE SAME, AND DEVICE AND METHOD FOR REPRODUCING INFORMATION 失效
公开(公告)号：JP2002169093A
公开(公告)日：2002-06-14
申请号：JP2000370108
申请日：2000-12-05
申请人： MINOLTA CO LTD
发明人： SAKATA TADAFUMI , OGURA KAZUYUKI , HATANO HIROSHI
IPC分类号： G02B5/08 , G02B3/00 , G02B5/10 , G02B17/08 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To easily form a fine opening in a solid immersion mirror, and also, to satisfactorily detect light to be detected by the solid immersion mirror. SOLUTION: A 1st reflection film 11 is deposited on the lower surface (1st surface) of the solid immersion mirror 1, and a 2nd reflection film 12 is deposited on the upper surface (2nd surface) of the mirror 1. Besides, a fine opening forming thin film 13 for forming the fine opening 14 is deposited at the center part of the 1st surface. The thin film 13 is constituted of material different from that for the reflection films 11 and 12, and also, the film 13 is deposited so as to have a different film thickness. By depositing the film 13 so that the film 13 may differ from the reflection films 11 and 12 in terms of the state, the fine opening is easily formed, and also, the light to be detected by the solid immersion mirror 1 is satisfactorily detected.

9. 发明专利

JP2001216653A METHOD AND DEVICE FOR REPRODUCING INFORMATION FROM OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM 失效
公开(公告)号：JP2001216653A
公开(公告)日：2001-08-10
申请号：JP2000025112
申请日：2000-02-02
申请人： MINOLTA CO LTD
发明人： OGURA KAZUYUKI
IPC分类号： G11B7/244 , G11B7/005 , G11B7/0055 , G11B7/09 , G11B7/125 , G11B7/127 , G11B7/135 , G11B7/1362 , G11B7/1381 , G11B7/24
摘要： PROBLEM TO BE SOLVED: To realize the reproduction tracking servo and the focusing servo of information which never destroys recorded information recorded in a recording layer. SOLUTION: An information record reproducing and erasing device X including an information reproducing device for reproducing information from an optical recording medium 31 having a photochromic material containing recording layer 12 is provided with the housing part 100 of the medium 31, a light source for reproduction 33 for emitting light of a wavelength, which is not absorbed substantially, to the layer 12 as light 1 for reproducing information, an optical system 200 for irradiating the layer 12 of the medium 31 to be roused in the part 100 with the light L from the light source 33, and an information reading device 300 for reading recorded information recorded by varying of refraction as the variation of a reflected light quantity from the layer 12 generated by irradiating the layer 12 with the light L emitted from the light source 33 through the system 200.

10. 发明专利

JP2001189016A OPTICAL RECORDING MEDIUM INFORMATION PROCESSING METHOD AND DEVICE 失效
公开(公告)号：JP2001189016A
公开(公告)日：2001-07-10
申请号：JP37573399
申请日：1999-12-28
申请人： MINOLTA CO LTD
发明人： SAKATA TADAFUMI , OGURA KAZUYUKI , KOJIMA SEIJI
IPC分类号： G11B33/14 , G11B7/004 , G11B7/0055
摘要： PROBLEM TO BE SOLVED: To provide an optical recording medium processing method and device which execute at least one among the recording of information to an optical recording medium, the reproducing of the information from the optical recording medium and the erasing of the information of the optical recording medium and can improve the repetitive durability by the recording, erasing or reproducing of the information of the optical recording medium. SOLUTION: The optical recording medium information processing device A which implements the optical recording medium information processing method for executing at least one among the recording of information to the optical recording medium M, the reproducing of the information from the medium M and the erasing of the information of the medium M has a casing 3 which has hermeticity and houses at least the medium M and an oxygen concentration regulating device 10 which regulates the oxygen concentration in the casing 3. The device 10 lowers the oxygen concentration in at least the peripheral part of the medium M when carrying out at least one among the recording, reproducing and erasing of the information to and from the medium M housed in the casing 3.

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