专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4568599A Laminated film and magnetic recording medium made therewith 失效
标题翻译：层压膜和由其制成的磁记录介质
公开(公告)号：US4568599A
公开(公告)日：1986-02-04
申请号：US473448
申请日：1983-03-09
申请人： Masaaki Ono , Yasuki Miura , Masahiko Motegi , Kazuo Okabe
发明人： Masaaki Ono , Yasuki Miura , Masahiko Motegi , Kazuo Okabe
IPC分类号： G11B5/64 , G11B5/72
CPC分类号： G11B5/64 , Y10S428/90 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/24851 , Y10T428/31663 , Y10T428/31786 , Y10T428/31797 , Y10T428/31801
摘要： A laminated film for a super-high density magnetic recording medium, which comprises (A) a layer composed of a thermoplastic resin and (B) a layer of a thermoplastic resin containing fine particles therein. In this laminated film, the outer surface of the layer (A) has a surface roughness of less than 0.005.mu. as expressed as the Ra value, and the outer surface of the layer (B) has a surface roughness of 0.005 to 0.040.mu. as expressed as the Ra value. The outer surface of the layer (B) has either (i) a plurality of depressions and a plurality of protrusions, which are formed thereon in a configuration such that at least one protrusion exists within each depression or at least one protrusion exists in the area where two or more depressions are contiguous to each other, or (ii) protrusions on a flat plane and a covering layer (C) composed of a lubricant, which is formed on the surface of the layer (B). This covering layer (C) may be formed on the surface having the above-mentioned depressions and protrusions. The covering layer (C) is a continuous film layer or a discontinuous film layer formed of worm-like nodules. When a ferromagnetic metal thin film is formed on the surface of the layer (A) by vacuum evaporation and a protective film layer is formed on this thin film, there is obtained a vacuum-deposited video tape excellent in running properties and electromagnetic transformation performance. In this vacuum-deposited video tape, the transfer of the surface configuration due to the coarseness of the running surface can be prevented.
摘要翻译：一种用于超高密度磁记录介质的叠层膜，其包含（A）由热塑性树脂构成的层和（B）含有微粒的热塑性树脂层。在该层压膜中，层（A）的外表面的表面粗糙度表示为Ra值小于0.005μm，层（B）的外表面的表面粗糙度为0.005〜0.040μm，表示为Ra值。层（B）的外表面具有（i）多个凹部和多个突起，其形成在其上，使得在每个凹部内存在至少一个突起，或者在该区域中存在至少一个突起其中两个或更多个凹陷彼此邻接，或（ii）平坦平面上的突起和由形成在层（B）的表面上的润滑剂构成的覆盖层（C）。该覆盖层（C）可以形成在具有上述凹陷和突起的表面上。覆盖层（C）是由蠕虫状结节形成的连续膜层或不连续膜层。当通过真空蒸发在层（A）的表面上形成铁磁性金属薄膜并在该薄膜上形成保护膜层时，获得了运行性能和电磁转换性能优异的真空沉积磁带。在这种真空沉积的录像带中，可以防止由于行驶表面的粗糙度导致的表面形状的传递。

2. 发明授权

US4550049A Laminated film and magnetic recording medium made therewith 失效
标题翻译：层压膜和由其制成的磁记录介质
公开(公告)号：US4550049A
公开(公告)日：1985-10-29
申请号：US473449
申请日：1983-03-09
申请人： Masaaki Ono , Yasuki Miura , Masahiko Motegi , Kazuo Okabe
发明人： Masaaki Ono , Yasuki Miura , Masahiko Motegi , Kazuo Okabe
IPC分类号： G11B5/64 , G11B5/72 , B32B3/00
CPC分类号： G11B5/64 , Y10S428/90 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/24851 , Y10T428/24893 , Y10T428/31663 , Y10T428/31786 , Y10T428/31797 , Y10T428/31801
摘要： A laminated film comprising (A) a layer composed of a thermoplastic resin and (B) a layer composed of a thermoplastic resin containing fine particles therein, wherein a discontinuous skin having a height of 50 to 1,000 .ANG. is formed on the outer surface of the layer (A) and the outer surface of the layer (B) has a surface Ra value of 0.005 to 0.040.mu.. The laminated film is very valuable as a base film of a magnetic recording tape having a ferromagnetic metal thin film formed on the surface of the layer (A), especially a video tape, because it has good running properties and is excellent in electromagnetic transformation performance.
摘要翻译：一种层叠膜，其包含（A）由热塑性树脂构成的层和（B）由其中含有微粒的热塑性树脂构成的层，其中，高度为50〜1000的不连续的皮肤形成在层（A）与层（B）的外表面的表面Ra值为0.005〜0.040μm。层叠膜作为具有形成在层（A）的表面上的强磁性金属薄膜的特别是录像带的磁记录带的基膜是非常有价值的，因为它具有良好的运行特性并且具有优异的电磁转换性能。

3. 发明授权

US4508782A Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm.sup.2 失效
标题翻译： F-5值为9-15 Kg / mm2的磁记录胶带底胶
公开(公告)号：US4508782A
公开(公告)日：1985-04-02
申请号：US625185
申请日：1984-06-27
申请人： Yasuki Miura , Masahiko Motegi , Kazuo Okabe
发明人： Yasuki Miura , Masahiko Motegi , Kazuo Okabe
IPC分类号： G11B5/73 , H01F10/00
CPC分类号： G11B5/7305 , Y10S428/91 , Y10T428/31
摘要： A base film for a magnetic recording tape is provided, which possesses an F-5 value of 9-15 Kg/mm.sup.2 as measured along both the longitudinal and transverse directions and in which the ratio of the average surface roughness to the particle size of included particles is 2.0.times.10.sup.-3 to 5.1.times.10.sup.-3. The average surface roughness is preferably 0.005-0.040 micron. The magnetic recording tape made therefrom exhibits an improved running property and an improved abrasion resistance as well as good surface characteristics.
摘要翻译：提供一种用于磁记录带的基膜，其具有沿纵向和横向测量的9-15Kg / mm 2的F-5值，其中平均表面粗糙度与所包含的颗粒尺寸的比率颗粒为2.0×10 -3〜5.1×10 -3。平均表面粗糙度优选为0.005-0.040微米。由此制成的磁记录带具有改进的运行性能和改进的耐磨性以及良好的表面特性。

4. 发明授权

US4725472A Biaxially oriented polyester film 失效
标题翻译：双轴取向聚酯薄膜
公开(公告)号：US4725472A
公开(公告)日：1988-02-16
申请号：US006257
申请日：1987-01-14
申请人： Kazuo Okabe , Masahiko Motegi , Yasuki Miura
发明人： Kazuo Okabe , Masahiko Motegi , Yasuki Miura
IPC分类号： C08L67/00 , B29C49/00 , B29C55/00 , B29C55/12 , C08J5/18 , C08L67/02 , G11B5/73 , G11B5/70
CPC分类号： C08J5/18 , G11B5/7305 , C08J2367/00 , C08J2367/02 , Y10S428/90 , Y10S428/91 , Y10T428/24355 , Y10T428/24372 , Y10T428/24405 , Y10T428/24479 , Y10T428/31786
摘要： A biaxially oriented polyester film is provided, which has a plurality of depressions and a plurality of protrusions on at least one surface thereof, in a configuration such that at least one protrusion exists within each depression or at least protrusion exists in the area where two or more depressions are contiguous to each other depressions having an area fraction of from 1.times.10.sup.-3 to 6.times.10.sup.-1. The polyester film is useful as a substrate for magnetic recording tapes such as audio and video tapes, and the resultant magnetic recording tapes are excellent in both electromagnetic transducing characteristics and runnability.
摘要翻译：提供双轴取向聚酯膜，其在其至少一个表面上具有多个凹陷和多个突起，其构造使得在每个凹陷内存在至少一个突出部，或者至少在两个或两个更多的凹陷与面积分数为1×10 -3至6×10 -1的每个其它凹陷相邻。聚酯膜可用作诸如音频和录像带的磁记录带的基底，并且所得到的磁记录带在电磁传感特性和运行性方面均优异。

5. 发明授权

US4138386A Polyester film for magnetic tape 失效
标题翻译：胶带聚酯薄膜
公开(公告)号：US4138386A
公开(公告)日：1979-02-06
申请号：US837984
申请日：1977-09-29
申请人： Masahiko Motegi , Saburo Fujita , Kazuo Okabe , Yasuki Miura , Satoyuki Minami
发明人： Masahiko Motegi , Saburo Fujita , Kazuo Okabe , Yasuki Miura , Satoyuki Minami
IPC分类号： C08L67/00 , B29C49/00 , B29C55/00 , B29C55/12 , C08J5/18 , C08K3/00 , C08K13/02 , C08L67/02 , C09D5/23 , G11B5/73 , G11B5/733 , H01F1/032 , C08K3/26 , C08K3/32 , C08K5/09 , C08K5/52
CPC分类号： G11B5/7305 , C08K13/02 , C08K3/0075 , C08L67/02 , Y10S260/35
摘要： Polyester film for magnetic tape including discrete polyester particles containing lithium, calcium and phosphorus, said particles having an average size in the range from 0.1 to 3.0 .mu.m and inert pigments having an average size of 1.0 to 10.0 .mu.m.Magnetic tape from this film has improved abrasion resistance and reduced the occurrence of "drop out".
摘要翻译：用于磁带的聚酯薄膜包括含锂，钙和磷的离散聚酯颗粒，所述颗粒的平均尺寸为0.1-3.0μm，平均粒径为1.0-10.0μm的惰性颜料。

6. 发明授权

US4568600A Thermoplastic resin base film for magnetic recording medium 失效
标题翻译：用于磁记录介质的热塑性树脂基膜
公开(公告)号：US4568600A
公开(公告)日：1986-02-04
申请号：US703311
申请日：1985-02-20
申请人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
发明人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
IPC分类号： B32B3/14 , B32B5/16 , B32B27/36 , C08L67/02 , G11B5/00 , G11B5/73 , G11B5/733 , G11B5/66
CPC分类号： G11B5/7305 , G11B5/7325 , Y10S428/90 , Y10S428/91 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/24851 , Y10T428/24893 , Y10T428/24975 , Y10T428/25 , Y10T428/254 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/261 , Y10T428/265 , Y10T428/31663 , Y10T428/31786 , Y10T428/3179 , Y10T428/31797
摘要： A thermoplastic resin base film for a magnetic recording medium including a thermoplastic resin film and a discontinuous film adhering closely to at least one surface of the thermoplastic resin film. The discontinuous film has a thickness of not larger than 500 angstroms and is composed of a polymer blend containing fine particles. The polymer blend comprises a water-soluble polyester copolymer and a water-soluble polymer having at least one hydroxyl group in the recurring unit thereof. Fine protrusions are formed on the discontinuous film due to the presence of the fine particles therein. A magnetic recording medium using the base film is suitable for high density magnetic recording and has extremely excellent durability to repeated use.
摘要翻译：一种用于磁记录介质的热塑性树脂基膜，包括热塑性树脂膜和紧密地粘附在热塑性树脂膜的至少一个表面上的不连续膜。不连续膜的厚度不大于500埃，由含微粒的聚合物共混物构成。聚合物共混物包含水溶性聚酯共聚物和在其重复单元中具有至少一个羟基的水溶性聚合物。由于其中存在微细颗粒，在不连续膜上形成微细的突起。使用该基膜的磁记录介质适用于高密度磁记录，并且对重复使用具有非常优异的耐久性。

7. 发明授权

US4489117A Super high density magnetic recording medium 失效
标题翻译：超高密度磁记录介质
公开(公告)号：US4489117A
公开(公告)日：1984-12-18
申请号：US413125
申请日：1982-08-30
申请人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
发明人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
IPC分类号： G11B5/64 , G11B5/78
CPC分类号： G11B5/64 , Y10S428/90 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/24851 , Y10T428/31663 , Y10T428/31678 , Y10T428/31786 , Y10T428/3179 , Y10T428/31797
摘要： A super high density magnetic recording medium is provided, which comprises a polyester film and a discontinuous film formed on at least one surface of the polyester film. The discontinuous film has a thickness of smaller than 500 angstroms and is composed mainly of a water-soluble polymer, a silane coupling agent, and if desired, a silicone resin. A high density magnetic recording medium is also provided, which comprises a ferromagnetic metal thin film formed on the discontinuous film layer of the polyester base film. The polyester base film is especially suitable for formation of a metallized video tape, and this tape is excellent in the slip characteristics and abrasion resistance and advantageous in that noises and drop-out are reduced.
摘要翻译：提供了一种超高密度磁记录介质，其包括在聚酯膜的至少一个表面上形成的聚酯膜和不连续膜。不连续膜的厚度小于500埃，主要由水溶性聚合物，硅烷偶联剂，以及需要时构成有机硅树脂组成。还提供了一种高密度磁记录介质，其包括形成在聚酯基膜的不连续膜层上的强磁性金属薄膜。聚酯基膜特别适用于金属化录像带的形成，并且该胶带具有优异的滑动特性和耐磨性，并且有利于降低噪声和脱落。

8. 发明授权

US4548855A Polyester film for magnetic recording medium 失效
标题翻译：聚酯薄膜用于磁记录介质
公开(公告)号：US4548855A
公开(公告)日：1985-10-22
申请号：US546649
申请日：1983-10-28
申请人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
发明人： Masaaki Ono , Masahiko Motegi , Kazuo Okabe
IPC分类号： B32B3/14 , B32B5/16 , B32B27/36 , C08L67/02 , G11B5/00 , G11B5/73 , G11B5/733 , G11B5/70
CPC分类号： G11B5/7305 , G11B5/7325 , Y10S428/90 , Y10S428/91 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/24851 , Y10T428/24893 , Y10T428/24975 , Y10T428/25 , Y10T428/254 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/261 , Y10T428/265 , Y10T428/31663 , Y10T428/31786 , Y10T428/3179 , Y10T428/31797
摘要： Disclosed is a polyester film for a magnetic recording medium, which is comprised of a polyester film, a discontinuous film layer or layers adhering closely to one surface or both the surfaces of the polyester film, and fine particles present in the discontinuous film layer or layers and on the or each surface of the discontinuous film layer or layers, or on the exposed surface or surfaces of the polyester film in the portions where the discontinuous film layer or layers are not present. The discontinuous film layer or layers have a thickness of not larger than 500 angstroms and are composed mainly of a water-soluble polymer.
摘要翻译：公开了一种用于磁记录介质的聚酯膜，其由聚酯膜，不连续的膜层或紧密地粘附在聚酯膜的一个表面或两个表面上的层以及存在于不连续膜层中的细颗粒组成并且在不连续的膜层或层的表面上，或在不存在不连续的膜层的部分的聚酯膜的暴露的表面上。不连续膜层的厚度不大于500埃，主要由水溶性聚合物组成。

9. 发明授权

US4233352A Polyester film and method of manufacture thereof 失效
标题翻译：聚酯薄膜及其制造方法
公开(公告)号：US4233352A
公开(公告)日：1980-11-11
申请号：US2230
申请日：1979-01-09
申请人： Masaaki Ono , Kazuo Okabe , Yasuki Miura
发明人： Masaaki Ono , Kazuo Okabe , Yasuki Miura
IPC分类号： B32B27/14 , B32B27/00 , C08J7/04 , G03C1/795 , G11B5/73 , H01F10/02
CPC分类号： C08J7/047 , G03C1/7954 , G11B5/7305 , C08J2367/02 , Y10S428/90 , Y10T428/24355 , Y10T428/24388 , Y10T428/24405 , Y10T428/24421 , Y10T428/24446 , Y10T428/31663 , Y10T428/31786 , Y10T428/31797 , Y10T428/31801
摘要： A slippery and smooth-surfaced polyester film, at least one surface of which is covered with worm-like nodules, useful as a base film for high recording density magnetic tape.
摘要翻译：一种光滑的表面光滑的聚酯薄膜，其至少一个表面覆盖有蜗杆状结节，可用作高记录密度磁带的基膜。

10. 发明授权

US4594203A Method for producing a thermoplastic polymeric sheet 失效
标题翻译：热塑性聚合物片材的制造方法
公开(公告)号：US4594203A
公开(公告)日：1986-06-10
申请号：US588963
申请日：1984-03-13
申请人： Satoru Hagiwara , Ichiro Ishizuka , Kazuo Okabe
发明人： Satoru Hagiwara , Ichiro Ishizuka , Kazuo Okabe
IPC分类号： B29C47/88 , B29C71/04
CPC分类号： B29C47/888 , B29C47/0021 , B29C47/8845 , B29C47/887 , B29C47/8875 , B29C47/0019
摘要： The present invention relates to a method for producing a thermoplastic polymeric sheet, wherein a molten thermoplastic polymer is extruded from an extrusion die in the form of a sheet onto a moving quenching member, with an electric potential difference being established between the surface of the moving quenching member and the extrusion die, whereby the polymer is caused to electrostatically solidify and adhered to the surface of the quenching member. The contact area of the polymeric sheet with the moving quenching member is held in an atmosphere of a gas which posesses better insulating properties than standard air. Thus the present invention provides a useful method that can produce, at higher speeds than conventional method, polymer sheets of high surface quality which avoid the operational problems encountered in the conventional methods.
摘要翻译：本发明涉及一种用于制造热塑性聚合物片材的方法，其中将熔融的热塑性聚合物从片状的挤出模头挤出到移动的淬火构件上，在移动的表面之间建立电位差淬火构件和挤出模头，由此使聚合物静电固化并粘附到淬火构件的表面。聚合物片与移动淬火构件的接触面积保持在比标准空气更好的绝缘性气体的气氛中。因此，本发明提供了一种有用的方法，其可以以比常规方法更高的速度产生高表面质量的聚合物片材，其避免了常规方法中遇到的操作问题。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式