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1. 发明授权

US5263016A Information recording discs 失效
标题翻译：信息记录盘
公开(公告)号：US5263016A
公开(公告)日：1993-11-16
申请号：US963025
申请日：1992-10-19
申请人： Takeshi Minoda , Akira Todo , Toshio Kimura , Masayoshi Kurisu
发明人： Takeshi Minoda , Akira Todo , Toshio Kimura , Masayoshi Kurisu
IPC分类号： G11B7/24 , G11B23/00 , G01D15/34 , G11B7/26
CPC分类号： G11B7/24097 , G11B23/0035 , Y10S430/146
摘要： An information recording disc including a plurality of disc substrates (2), at least one of which has a recording medium containing layer (1), two pieces of hubs mounted over the center hole of said disc substrates on both sides thereof, each hub having a portion to be inserted into said center hole and a flange portion to cover a portion of said disc substrate in the vicinity of said center hole, and an adhesive layer (13, 14) formed between said hubs and said disc substrates and between said two hubs. An adhesive layer (7) laminates the substrates (2a, 2b) to one another.
摘要翻译：一种信息记录盘，包括多个盘基片（2），其中至少一个具有记录介质容纳层（1），两片轮毂安装在其两侧的所述光盘基片的中心孔上，每个轮毂具有插入所述中心孔的部分和在所述中心孔附近覆盖所述盘基片的一部分的凸缘部分，以及形成在所述毂和所述盘基片之间以及所述两个中心孔之间的粘合剂层（13,14）枢纽粘合层（7）将基板（2a，2b）彼此叠合。

2. 发明授权

US5020207A Process for producing magnetic hub 失效
标题翻译：磁性集线器生产工艺
公开(公告)号：US5020207A
公开(公告)日：1991-06-04
申请号：US492385
申请日：1990-03-09
申请人： Takeshi Minoda , Akira Todo , Toshio Kimura , Masayoshi Kurisu
发明人： Takeshi Minoda , Akira Todo , Toshio Kimura , Masayoshi Kurisu
IPC分类号： G11B7/26 , B29C45/14 , G11B23/00
CPC分类号： G11B23/0035 , B29C45/14065 , B29C45/14778 , B29K2705/00 , Y10S29/029 , Y10T29/4949 , Y10T29/49906 , Y10T29/49986
摘要： A process for producing a magnetic hub for an optical disc which is fixed to the spindle of a disc drive by means of a magnetic clamp system, which process comprises positioning and setting an annular metal plate composed of a ferromagnetic substance having burrs on one side thereof produced by punching in a mold and then injecting a resin into the mold.

3. 发明授权

US4943611A Resin composition for spacers of information recording disc 失效
标题翻译：信息记录盘用间隔物用树脂组合物
公开(公告)号：US4943611A
公开(公告)日：1990-07-24
申请号：US224685
申请日：1988-07-27
申请人： Akira Todo , Toshio Kimura , Takeshi Minoda , Masayoshi Kurisu
发明人： Akira Todo , Toshio Kimura , Takeshi Minoda , Masayoshi Kurisu
IPC分类号： C08L23/00 , C08K3/36 , C08K5/01 , G11B7/24
CPC分类号： G11B7/24015 , C08K3/36
摘要： A resin composition for spacers of an information recording disc which comprises: (A) a random copolymer of ethylene and at least one cycloolefin having an intrinsic viscosity [.eta.] of from 0.05 to 10 dl/g, as measured in decalin at a temperature of 135.degree. C., and (B) from 0.01 to 5 parts by weight, based on 100 parts by weight, of said copolymer A, of an inorganic particles such as titania and silica having a particle size of not more than 300 .mu.m. Spacers made of the composition described herein can be welded to disc substrates within a shortened period of ultrasonic vibration to produce an information recording disc having a reduced warp angle.

4. 发明授权

US4909871A Process for producing information recording discs 失效
标题翻译：生产信息记录光盘的过程
公开(公告)号：US4909871A
公开(公告)日：1990-03-20
申请号：US224682
申请日：1988-07-27
申请人： Akira Todo , Toshio Kimura , Takeshi Minoda , Masayoshi Kurisu
发明人： Akira Todo , Toshio Kimura , Takeshi Minoda , Masayoshi Kurisu
IPC分类号： B29C65/08 , G11B7/26
CPC分类号： G11B7/26 , B29C65/08 , B29C65/7811 , B29C66/3024 , B29C66/452 , B29C66/73921 , B29C66/80 , B29C66/81425 , B29C66/81427 , B29C66/81431 , B29C66/8322 , B29C66/30221 , B29C66/71 , B29L2017/005 , Y10T156/1093
摘要： A process for producing an information recording disc of an air sandwich structure by ultrasonic welding two disc substrates, at least one of which has a recording medium containing layer, to each other through outer and inner peripheral spacers lying therebetween, which process is characterized in that the outer peripheral spacer is first welded to the disc substrate on one side, the disc substrate on the other side is then superposed through the inner peripheral spacer on said outer peripheral spacer-welded disc substrate turned inside out, and said outer peripheral spacer and disc substrate on the other side, and said inner peripheral spacer and disc substrates on both sides are ultrasonic welded together simultaneously.

5. 发明授权

US4834819A Process for producing information recording discs 失效
标题翻译：生产信息记录光盘的过程
公开(公告)号：US4834819A
公开(公告)日：1989-05-30
申请号：US230974
申请日：1988-08-11
申请人： Akira Todo , Toshio Kimura , Masayoshi Kurisu
发明人： Akira Todo , Toshio Kimura , Masayoshi Kurisu
IPC分类号： G11B7/26 , B29C65/08 , B29D17/00 , G11B7/24 , G11B23/00
CPC分类号： B29C65/08 , B29C66/24221 , B29C66/73921 , B29C66/80 , B29C66/81425 , B29C66/81427 , B29C66/81431 , B29D17/005 , G11B23/0021 , G11B7/24015 , B29C66/3022 , B29C66/45 , B29L2017/005 , Y10T156/1093
摘要： A process for producing information recording discs of an air sandwich structure by ultrasonic welding together two disc substrates, at least one of which has a recording medium containing layer, through outer and inner peripheral spacers lying therebetween, which process is characterized in that the ultrasonic welding is carried out by the use of a horn and an anvil which are so designed that each of said horn and said anvil has a difference in height along the axial direction between its portion corresponding to the outer peripheral spacer and its portion corresponding to the inner peripheral spacer, wherein the sum of differences in height of said horn and said anvil corresponds to the difference in thickness between the outer peripheral poritons of said two disc substrates plus the outer peripheral spacer and the inner peripheral portions of said two disc substrates plus the inner peripheral spacer.

6. 发明授权

US5166034A Optical recording media and process for preparing same 失效
标题翻译：光学记录介质及其制备方法
公开(公告)号：US5166034A
公开(公告)日：1992-11-24
申请号：US691827
申请日：1991-04-26
申请人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Akira Todo , Takeshi Minoda
发明人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Akira Todo , Takeshi Minoda
IPC分类号： G11B7/243 , G11B7/253 , G11B7/2531 , G11B7/2532 , G11B7/2533
CPC分类号： G11B7/243 , G11B2007/24306 , G11B2007/24316 , G11B2007/24328 , G11B7/2531 , G11B7/2532 , G11B7/2533
摘要： The optical recording media disclosed herein comprises a substrate and a recording layer formed thereon, wherein the recording layer is irradiated with beam of energy to form thereon bits corresponding to given pieces of information and thereby record the pieces of information. The recording layer comprising Te, Cr, C and H, the proportion of Cr contained in said recording layer, based on all atoms constituting the recording layer, is 0.1-40 atom % and that of C contained in said recording layer is 0.1-40 atom %. In another aspect, the proportion of Cr contained in said recording layer, based on the sum total of Te and Cr atoms present in said recording layer, is 0.1-60 atom %, and the proportion, based on the sum total of Te, Cr and C atoms present in said recording layer, of C is 0.1-40 atom %. According to the optical recording media as disclosed above, the recording layer improves in oxidation resistance and long duration of life of the optical recording media can be expected, because the recording layer comprising Te, Cr, C and H. In this connection, the distribution of C contained in the recording layer is not always uniform, and C may be distributed in the recording layer so that the content of C becomes smaller in the direction receding from the substrate side.

7. 发明授权

US5061597A Optical recording media and process for preparing same 失效
标题翻译：光记录介质及其制备方法
公开(公告)号：US5061597A
公开(公告)日：1991-10-29
申请号：US566039
申请日：1990-08-13
申请人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Akira Todo , Takeshi Minoda
发明人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Akira Todo , Takeshi Minoda
IPC分类号： G11B7/243
CPC分类号： G11B7/243 , G11B2007/24306 , G11B2007/24316 , G11B2007/24328 , G11B7/2533 , G11B7/2572 , G11B7/2578 , Y10S430/146 , Y10S430/165
摘要： The optical recording media disclosed herein comprises a substrate and a recording layer formed thereon, wherein the recording layer is irradiated with beam of energy to form thereon bits corresponding to given pieces of information and thereby record the pieces of information. The recording layer comprises Te, Cr, C and H, the proportion of Cr contained in said recording layer, based on all atoms constituting the recording layer, is 0.1-40 atom % and that of C contained in said recording layer is 0.1-40 atom %. In another aspect, the proportion of Cr contained in said recording layer, based on the sum total of Te and Cr atoms present in said recording layer, is 0.1-60 atom %, and the proportion, based on the sum total of Te, Cr and C atoms present in said recording layer, of C is 0.1-40 atom %. According to the optical recording media as disclosed above, the recording layer improves in oxidation resistance and long duration of life of the optical recording media can be expected, because the recording layer comprising Te, Cr, C and H. In this connection, the distribution of C contained in the recording layer is not always uniform, and C may be distributed in the recording layer so that the content of C becomes smaller in the direction receding from the substrate side.
摘要翻译：本文公开的光记录介质包括基板和形成在其上的记录层，其中记录层用能量束照射以在其上形成与给定条信息对应的位，从而记录信息。记录层包括Te，Cr，C和H，基于构成记录层的所有原子，所述记录层中包含的Cr的比例为0.1-40原子％，并且所述记录层中包含的C的比例为0.1-40 原子％。在另一方面，所述记录层中所含的Cr的比例，基于存在于所述记录层中的Te和Cr原子的总和为0.1-60原子％，并且所述比例基于Te，Cr的总和存在于所述记录层中的C原子为C为0.1-40原子％。根据如上所述的光记录介质，由于记录层包括Te，Cr，C和H，所以记录层的抗氧化性能提高，光记录介质的使用寿命可以延长，因此，分布记录层中所含的C不总是均匀的，并且C可以分布在记录层中，使得C的含量在从基板侧退出的方向上变小。

8. 发明授权

US4994354A Optical recording media 失效
标题翻译：光记录媒体
公开(公告)号：US4994354A
公开(公告)日：1991-02-19
申请号：US427509
申请日：1989-10-27
申请人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Takeshi Minoda , Akira Todo
发明人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Takeshi Minoda , Akira Todo
IPC分类号： G11B7/243 , G11B7/253 , G11B7/2538
CPC分类号： G11B7/2538 , G11B7/243 , G11B7/253 , G11B2007/24306 , G11B2007/24316 , G11B2007/24328 , Y10S430/146
摘要： Optical recording media disclosed herein are excellent in recording sensitivity as well as in the adhesion of the substrate to the recording layer, said substrate consisting of a random copolymer of ethylene and a cycloolefin and having a specific structure.

9. 发明授权

US5079060A Optical recording media 失效
公开(公告)号：US5079060A
公开(公告)日：1992-01-07
申请号：US427493
申请日：1989-10-27
申请人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Takeshi Minoda , Akira Todo
发明人： Hisaharu Toibana , Mitsuyuki Kuroiwa , Takeshi Minoda , Akira Todo
IPC分类号： G11B7/243 , G11B7/2534 , G11B7/2538
CPC分类号： G11B7/243 , G11B7/2538 , G11B2007/24316 , G11B2007/24328 , G11B7/2534 , Y10S428/913 , Y10S430/146
摘要： Optical recording media disclosed herein are excellent in recording sensitivity as well as in the adhesion of the substrate to the recording layer, said substrate consisting of a random copolymer of ethylene and a cycloolefin and having a specific structure.

10. 发明申请

US20060057321A1 Propylene polymer composition and use thereof 有权
标题翻译：丙烯聚合物组合物及其用途
公开(公告)号：US20060057321A1
公开(公告)日：2006-03-16
申请号：US10543360
申请日：2004-01-16
申请人： Ryoji Mori , Takashi Nakagawa , Mamoru Kagami , Akira Todo
发明人： Ryoji Mori , Takashi Nakagawa , Mamoru Kagami , Akira Todo
IPC分类号： B65D1/02 , C08L23/04
CPC分类号： A61L29/041 , C08L23/10 , C08L23/142 , C08L2205/02 , C08L2207/12 , Y10T428/1397 , C08L2666/06
摘要： The invention provides a propylene polymer composition well balanced and excellent in transparency, flexibility, heat resistance, scratch resistance and rubber elasticity, and a medical tube made from the propylene polymer composition. The propylene polymer composition satisfies all the following properties (A), (B), (C) and (D): (A) the composition shows a loss tangent (tan δ) peak at a temperature in the range of −20 to 25° C. according to dynamic viscoelasticity measurement (10 rad/s) in a torsion mode, and the peak is 0.5 or above; (B) the storage elastic modulus G′ at 20° C. from the dynamic viscoelasticity measurement is in the range of 1.0×107 to 4.9×108 dyn/cm2; (C) the penetration temperature (° C.) determined in accordance with JIS K 7196 is in the range of 60 to 160° C.; and (D) the composition has a permanent set of not more than 30% as determined after the composition fixed between chucks 30 mm apart is 100% strained at a stress rate of 30 mm/min, maintained for 10 minutes and released for 10 minutes. The medical tube is made from the propylene polymer composition.
摘要翻译：本发明提供了一种丙烯聚合物组合物，其透明性，柔韧性，耐热性，耐刮擦性和橡胶弹性优良的平衡性以及由丙烯聚合物组合物制成的医用管。丙烯聚合物组合物满足以下所有性质（A），（B），（C）和（D）：（A）组合物在-20至25℃的温度范围内显示损耗角正切（tanδ）峰根据动态粘弹性测量（10rad / s）在扭转模式下，峰值为0.5或更高; （B）来自动态粘弹性测量的20℃下的储能弹性模量G'在1.0×10 -7至4.9×10 8 dyn / cm 2的范围内 > 2 ; （C）根据JIS K 7196测定的穿透温度（℃）为60〜160℃的范围。和（D）组合物具有不超过30％的永久变形，如在固定在30mm间距的卡盘之间的组合物以30mm / min的应力速率100％应变之后确定的，保持10分钟并释放10分钟。医用管由丙烯聚合物组合物制成。

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