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1. 发明授权

US4425401A Magnetic recording media 失效
标题翻译：磁记录媒体
公开(公告)号：US4425401A
公开(公告)日：1984-01-10
申请号：US393789
申请日：1982-06-30
申请人： Tadashi Ido , Hirotaka Yokoyama , Moriyasu Wada , Toshihiko Oguchi , Akio Ishizawa , Yoshiyasu Koike
发明人： Tadashi Ido , Hirotaka Yokoyama , Moriyasu Wada , Toshihiko Oguchi , Akio Ishizawa , Yoshiyasu Koike
IPC分类号： C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/04 , G11B5/70 , G11B5/706 , G11B5/714 , G11B5/845 , H01F10/02
CPC分类号： G11B5/70 , G11B5/70678 , G11B5/714 , G11B5/845 , Y10S428/90 , Y10T428/257 , Y10T428/258
摘要： Disclosed is a magnetic recording medium comprising substrate and a resinous composition containing magnetic particles of uniaxially-anisotropic hexagonal crystals having particle diameters of 0.01.about.0.3 .mu.m and coated on said substrate; the ratio of remanent magnetization to saturation magnetization on the magnetization curve corrected to demagnetizing field which is measured in a direction vertical to the surface of the recording medium, ranging from 0.3 to 0.7. This magnetic recording medium requires no orientation treatment for its production.
摘要翻译：公开了一种磁性记录介质，其包含基材和含有粒径为0.01μm×0.3μm并涂覆在所述基材上的单轴 - 各向异性六方晶体的磁性颗粒的树脂组合物; 对磁化曲线校正为在与记录介质表面垂直的方向上测量的退磁场的磁化强度与饱和磁化强度之比为0.3至0.7。该磁记录介质不需要用于其生产的取向处理。

2. 发明授权

US4284700A Polymer coated transition metal powder as electrostatic image toner 失效
标题翻译：聚合物涂覆的过渡金属粉末作为静电图像调色剂
公开(公告)号：US4284700A
公开(公告)日：1981-08-18
申请号：US105275
申请日：1979-12-19
申请人： Toshihiko Oguchi , Akio Ishizawa , Hiromi Yoshida
发明人： Toshihiko Oguchi , Akio Ishizawa , Hiromi Yoshida
IPC分类号： G03G9/08 , G03G9/083 , G03G9/087 , G03G9/097
CPC分类号： G03G9/08797 , G03G9/0839 , G03G9/09708 , Y10T428/2998
摘要： A coated powder comprising a transition metal or compound thereof prepared by the process which comprises coating the surface of a powdered transition metal or compound there with a free radical polymerizable monomer having an e value of (-)0.8 to (+)0.8 and then subjecting the resulting coated powder to free-radical polymerization conditions.
摘要翻译：包括通过该方法制备的过渡金属或其化合物的涂覆粉末，其包括将具有e值为（ - ）0.8至（+）0.8的自由基可聚合单体涂覆在其上的粉末状过渡金属或化合物的表面，然后将所得涂层粉末转变为自由基聚合条件。

3. 发明授权

US4540627A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4540627A
公开(公告)日：1985-09-10
申请号：US631754
申请日：1984-07-17
申请人： Akio Ishizawa , Toshio Hukaya , Katuya Kumagai , Tatuo Takeuchi
发明人： Akio Ishizawa , Toshio Hukaya , Katuya Kumagai , Tatuo Takeuchi
IPC分类号： G11B5/702 , C09D5/23 , C09D7/12 , C10M105/74 , C10N40/18 , G11B5/70 , G11B5/708 , G11B5/71 , G11B5/72
CPC分类号： G11B5/71 , G11B5/7013 , Y10S428/90 , Y10T428/256 , Y10T428/257
摘要： Disclosed is a magnetic recording medium which comprises magnetic particles; a phosphate represented by the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 may be the same or different and each represent R.sup.4 O--CH.sub.2 O--.sub.n (wherein R.sup.4 is an alkyl group having 8 to 20 carbon atoms or an alkylphenyl group whose alkyl group moiety has 8 to 20 carbon atoms, and n is an integer of 2 to 10) or a group of HO--, with the proviso that at least one of R.sup.1, R.sup.2 and R.sup.3 is a group of R.sup.4 O--CH.sub.2 CH.sub.2 O--.sub.n (wherein R.sup.4 and n are as defined above); a lecithin; and a binder.
摘要翻译：公开了一种包括磁性颗粒的磁记录介质; 由下式表示的磷酸酯：其中R 1，R 2和R 3可以相同或不同，表示R4O-CH2O-n（其中R4是具有8-20个碳原子的烷基或烷基苯基，其烷基部分具有8至20个碳原子，n为2至10的整数）或一组HO-，条件是R 1，R 2和R 3中的至少一个为R 4 O-CH 2 CH 2 O-n（其中R 4 和n如上所定义）; 卵磷脂和粘合剂。

4. 发明授权

US4511617A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4511617A
公开(公告)日：1985-04-16
申请号：US497280
申请日：1983-05-23
申请人： Shozo Hideyama , Akio Ishizawa , Katuya Kumagai , Minoru Hashimoto
发明人： Shozo Hideyama , Akio Ishizawa , Katuya Kumagai , Minoru Hashimoto
IPC分类号： C09C1/48 , C09D5/23 , C09D7/12 , G11B5/706 , G11B5/716 , G11B5/738 , H01F1/11 , G11B5/70 , B32B7/02
CPC分类号： G11B5/716 , G11B5/70626 , G11B5/70642 , Y10S428/90 , Y10T428/256 , Y10T428/257 , Y10T428/30 , Y10T428/31507
摘要： Disclosed is a magnetic recording medium which comprises; a substrate; a first magnetic layer applied on the surface of the substrate and having an easy axis of magnetization in the in-plane direction of the substrate; and a second magnetic layer applied on the surface of the first magnetic layer, formed of ferrite series powder represented by the formula;AO.n(Fe.sub.1-m M.sub.m).sub.2 O.sub.3(wherein A is at least one metallic element selected from the group consisting of Ba, Sr, Pb and Ca; M is at least one substituent component selected from the group consisting of Co, Ti, Ni, Mn, Cu, Zn, In, Ge and Nb; m is 0.08 to 0.2; and n is 5.4 to 6.0), and having an easy axis of magnetization in a direction perpendicular to the plane of the substrate; said first magnetic layer having a surface resistivity of 1.times.10.sup.2 to 1.times.10.sup.8 .OMEGA.. In another embodiment, a conductive layer having a surface resistivity of 1.times.10.sup.7 .OMEGA. or smaller may be interposed between the substrate and the first magnetic layer.
摘要翻译：公开了一种磁记录介质，其包括：底物; 施加在基板的表面上并且在基板的面内方向上具有容易的磁化轴的第一磁性层; 以及施加在第一磁性层的表面上的第二磁性层，由由式表示的铁氧体系粉末形成; AO.n（Fe1-mMm）2O3（其中A是选自Ba，Sr，Pb和Ca中的至少一种金属元素; M是至少一种选自Co，Ti，Ni ，Mn，Cu，Zn，In，Ge和Nb; m为0.08〜0.2; n为5.4〜6.0），并且在与基板的平面垂直的方向上具有易磁化轴; 所述第一磁性层的表面电阻率为1×102〜1×10 8Ω。在另一个实施例中，可以在衬底和第一磁性层之间插入表面电阻率为1×10 7欧姆或更小的导电层。

5. 发明授权

US4265841A Method for production of composite piezoelectric material 失效
标题翻译：复合压电材料的生产方法
公开(公告)号：US4265841A
公开(公告)日：1981-05-05
申请号：US077264
申请日：1979-09-20
申请人： Yoshinori Fujimori , Akio Ishizawa , Minoru Hashimoto
发明人： Yoshinori Fujimori , Akio Ishizawa , Minoru Hashimoto
IPC分类号： H01L41/257 , H01L41/37 , B29C25/00 , B29B1/04 , B29G7/00
CPC分类号： H01L41/257 , H01L41/183 , H01L41/37
摘要： Disclosed is a method of producing composite piezoelectric materials exhibiting a high flexibility and a high piezoelectric effect, comprising the steps of treating an inorganic dielectric material powder with a latex-containing dispersion so as to coat the surfaces of the powder particles with the rubber particles in a manner to provide encapsulated powder particles, kneading the encapsulated powder particles, shaping the kneaded mass, and polarizing the shaped mass.
摘要翻译：公开了一种制备具有高柔性和高压电效应的复合压电材料的方法，包括以下步骤：用含胶乳的分散体处理无机介电材料粉末，以便用橡胶颗粒涂覆粉末颗粒的表面提供包封的粉末颗粒的方式，捏合包封的粉末颗粒，成型捏合的物料并使成形物料偏振。

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