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. 发明专利

JP2010282705A Method of analyzing polar component of surface energy in magnetic recording medium 有权
标题翻译：分析磁性记录介质中表面能的极性成分的方法
公开(公告)号：JP2010282705A
公开(公告)日：2010-12-16
申请号：JP2009137071
申请日：2009-06-08
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： MATSUMOTO TAKAKO , KUSAKAWA KAZUHIRO , WATANABE TAKESHI
IPC分类号： G11B5/84 , C10M107/38 , C10N30/06 , C10N40/18 , G11B5/725
摘要： PROBLEM TO BE SOLVED: To provide a method of identifying factors affecting surface energy of magnetic recording media and analyzing the surface energy. SOLUTION: Multiple regression analysis is performed while including temperature in formation of a lubricating film as a factor, in the magnetic recording medium including a magnetic recording layer, a protective layer, and the lubricating film on a non-magnetic substrate, to analyze the polar component in the surface energy of the magnetic recording medium. Preferably, the method is applied to the lubricating film having a film thickness of 2.0 nm or less. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种识别影响磁记录介质的表面能的因素和分析表面能的方法。解决方案：在包括在形成润滑膜中的温度作为因素的同时，在包括磁记录层，保护层和非磁性基底上的润滑膜的磁记录介质中进行多重回归分析，分析磁记录介质的表面能的极性分量。优选将该方法应用于膜厚为2.0nm以下的润滑膜。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2009283099A Magnetic recording medium and method for manufacturing the same 有权
标题翻译：磁记录介质及其制造方法
公开(公告)号：JP2009283099A
公开(公告)日：2009-12-03
申请号：JP2008136768
申请日：2008-05-26
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI
IPC分类号： G11B5/72 , G11B5/84
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording medium wherein generation of wear of a head slider or the magnetic recording medium can be avoided, without generating high friction force, even if the head slider and the magnetic recording medium come into contact with each other.
SOLUTION: The magnetic recording medium includes at least a magnetic layer, a protective layer and a lubricant layer on a non-magnetic substrate and further, includes a moisture adsorbing layer, having ≥0.3 nm thickness on the lubricant layer. A method for manufacturing the magnetic recording medium includes: a step (1) for preparing the non-magnetic substrate and forming at least the magnetic layer, the protective layer and the lubricant layer on the non-magnetic substrate to form a magnetic recording substrate; and a step (2) for leaving the magnetic recording substrate, in a high-temperature high-humidity environment and then leaving the magnetic recording substrate in a normal temperature normal-humidity environment, to form the moisture adsorbing layer having ≥0.3 nm film thickness on the lubricant layer.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种磁记录介质，即使磁头滑块和磁记录介质接触，也不会产生高摩擦力而不产生磁头滑块或磁记录介质的磨损。与彼此。解决方案：磁记录介质在非磁性基板上至少包括磁性层，保护层和润滑剂层，并且还包括在润滑剂层上具有≥0.3nm厚度的水分吸附层。一种磁记录介质的制造方法，其特征在于，具备：制作所述非磁性基板，至少在所述非磁性基板上形成所述磁性层，所述保护层和所述润滑层的步骤（1），形成磁记录基板; 和用于离开磁记录基板的步骤（2），在高温高湿环境中，然后将磁记录基板放置在常温常湿环境中，形成厚度≥0.3nm的水分吸附层在润滑剂层上。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2007250058A Magnetic disk medium for contact magnetic recording system and fixed magnetic recording device using the same 有权
标题翻译：用于接触磁记录系统的磁性磁盘介质和使用其的固定磁记录装置
公开(公告)号：JP2007250058A
公开(公告)日：2007-09-27
申请号：JP2006070488
申请日：2006-03-15
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI
IPC分类号： G11B5/725 , G11B5/72
摘要： PROBLEM TO BE SOLVED: To provide a magnetic disk medium provided with high durability and reliability and used for a contact magnetic recording system, and also to provide a fixed magnetic recording device.
SOLUTION: In the magnetic disk medium provided with a magnetic layer, a protective layer and a lubricant layer on a substrate and used for the contact magnetic recording system, the lubricant layer is formed by layering two or more layers and bonding force to the protective layer of a second lubricant layer is higher than that of a first protective layer when the first protective layer and the second protective layer are defined sequentially from the protective layer side. Both lubricant layers are made of a perfluoropolyether having hydroxyl groups in their terminal groups and the number of hydroxyl groups of a second lubricant is preferably more than that of a first lubricant. Especially preferably, the first lubricant is made of Z-dol and the second lubricant is made of Z-tetraol. The protective layer is preferably made of diamond like carbon.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高耐久性和可靠性并用于接触磁记录系统的磁盘介质，并且还提供一种固定磁记录装置。解决方案：在基板上设置有磁性层，保护层和润滑剂层的磁盘介质中，用于接触磁记录系统，润滑剂层是通过将两层或更多层层压而形成的，当从保护层侧依次定义第一保护层和第二保护层时，第二润滑剂层的保护层高于第一保护层的保护层。两个润滑剂层由其端基具有羟基的全氟聚醚制成，第二润滑剂的羟基数优选大于第一润滑剂的羟基数。特别优选地，第一润滑剂由Z-dol制成，第二润滑剂由Z-四醇制成。保护层优选由类金刚石碳制成。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2009283106A Magnetic disk and method for manufacturing the same 有权
标题翻译：磁盘及其制造方法
公开(公告)号：JP2009283106A
公开(公告)日：2009-12-03
申请号：JP2008136787
申请日：2008-05-26
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI
IPC分类号： G11B5/84 , G11B5/725
摘要： PROBLEM TO BE SOLVED: To provide a magnetic disk, wherein ruggedness of the surface of a lubricant layer is relaxed. SOLUTION: A method for manufacturing the magnetic disk includes: a step (A) for providing a magnetic disk substrate, having at least a non-magnetic substrate and a magnetic layer; a step (B) for applying a lubricant solution containing a perfluoropolyether, based compound on the surface on the magnetic layer side of the magnetic disk substrate to dispose the lubricant layer; and a step (C) for subjecting the magnetic disk substrate on which the lubricant layer is subjected to a high-temperature high-humidity treatment, in the conditions of ≥50°C temperature and ≥60% relative humidity so as to planarize the surface of the lubricant layer. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种磁盘，其中润滑剂层的表面的粗糙度被松弛。解决方案：一种用于制造磁盘的方法包括：用于提供至少具有非磁性衬底和磁性层的磁盘衬底的步骤（A）; 在所述磁盘基板的磁性层一侧的表面上涂布含有全氟聚醚类化合物的润滑剂溶液以设置润滑剂层的步骤（B）; 以及在≥50℃温度和≥60％相对湿度的条件下对其上进行高温高湿处理的磁盘基板进行处理的步骤（C），以使表面平坦化的润滑剂层。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007299473A Method for evaluating magnetic disk 有权
标题翻译：评估磁盘的方法
公开(公告)号：JP2007299473A
公开(公告)日：2007-11-15
申请号：JP2006126875
申请日：2006-04-28
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI
IPC分类号： G11B5/84 , G11B5/725
摘要： PROBLEM TO BE SOLVED: To provide a method for evaluating magnitude of meniscus force of lubricating layer which is exerted on a head slider running on a magnetic disk.
SOLUTION: The method for evaluating magnetic disk measures difference of circumferential speed of pitch angle rise in a floating state of the slider derived from transition of the head slider floating attitude when the head slider takes off and circumferential speed when the head slider actually leaves a disk regarding a plurality of disks having different lubricating layers respectively, and compares the differences of the circumferential speeds to evaluate magnitude of meniscus forces generated between the lubricating layers applied on the surfaces of the disks and the running head sliders.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于评估作用在在磁盘上运行的磁头滑块上的润滑层的弯月面力的大小的方法。解决方案：磁头评估方法测量滑块浮动状态下滑块浮动状态下的俯仰角上升的差异，当磁头滑块脱落时磁头滑块浮动姿态的转变和磁头滑块实际上的圆周速度分别对具有不同润滑层的多个盘分离盘，并比较圆周速度的差异，以评估施加在盘表面上的润滑层和行进头滑块之间产生的弯月面力的大小。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2011040133A Method for cleaning magnetic disk 有权
标题翻译：清洁磁盘的方法
公开(公告)号：JP2011040133A
公开(公告)日：2011-02-24
申请号：JP2009186553
申请日：2009-08-11
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： TAKEDA HIROAKI , WATANABE TAKESHI
IPC分类号： G11B5/84 , B08B1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for effectively removing particles on a magnetic disk without damaging the surface of the magnetic disk.
SOLUTION: The particles on the magnetic disk are removed by bringing a cleaning member having surface energy higher than that of the magnetic disk into contact with the magnetic disk, leaving them as they are and separating them. In an especially preferable contact method, the magnetic disk and the cleaning member are inserted in a casing, the casing is evacuated by using a vacuum device and the magnetic disk and the cleaning member are pressed by a part of the casing.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种有效地去除磁盘上的颗粒而不损坏磁盘表面的方法。解决方案：通过使具有比磁盘的表面能高的表面能的清洁构件与磁盘接触来除去磁盘上的颗粒，使它们保持原样并将其分离。在特别优选的接触方法中，将磁盘和清洁构件插入壳体中，通过使用真空装置将壳体抽真空，并且磁盘和清洁构件被壳体的一部分按压。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2009283044A Method for depositing thin film for magnetic recording medium and deposition apparatus using the same 有权
标题翻译：用于磁记录介质的薄膜沉积方法和使用其的沉积装置
公开(公告)号：JP2009283044A
公开(公告)日：2009-12-03
申请号：JP2008132245
申请日：2008-05-20
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： SUZUKI KATSUNORI , WATANABE TAKESHI
IPC分类号： G11B5/84 , C23C14/06 , C23C14/24
CPC分类号： G11B5/85 , C23C14/0605 , C23C14/325 , C23C14/505 , Y02T50/67
摘要： PROBLEM TO BE SOLVED: To film-deposit a thin film for a magnetic recording medium, having superior step coverage and corrosion resistance/wear resistance by an FCVA (filtered cathodic vacuum arc) method even on a magnetic recording layer on which comparatively large surface ruggedness is formed. SOLUTION: A rotation driving mechanism part and a tilt mechanism part are controlled by a control unit 40, thereby continuously changing the tilt angle θ of a substrate holder 20 and a substrate 28' for the recording medium, from the minimum tilt angle to the maximum tilt angle, according to increase of film thickness of a protective film layer during film deposition. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过FCVA（过滤阴极真空电弧）法在具有相对较好的磁记录层的薄膜上沉积用于磁记录介质的薄膜，具有优异的台阶覆盖性和耐腐蚀性/耐磨性形成大的表面粗糙度。解决方案：旋转驱动机构部分和倾斜机构部分由控制单元40控制，从而从最小倾斜角度连续地改变基板支架20和用于记录介质的基板28'的倾斜角度θ 根据膜沉积期间保护膜层的膜厚增加到最大倾斜角。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009221443A Lubricant for magnetic recording medium and magnetic recording medium using the same 有权
标题翻译：使用磁性记录介质和磁记录介质的润滑剂
公开(公告)号：JP2009221443A
公开(公告)日：2009-10-01
申请号：JP2008070534
申请日：2008-03-19
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI , IMAI KUNIHIRO , FURUTA AKIRA , FUTAMURA KAZUO , KINO HIDEKI
IPC分类号： C10M105/56 , C10M107/38 , C10M107/40 , C10N30/00 , C10N40/18 , C10N50/02 , G11B5/725 , G11B5/84
CPC分类号： G11B5/725 , C07C265/04
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording medium having a high affinity between a surface lubricant and a diamond like carbon (DLC) protective coating on the surface of the magnetic recording medium.
SOLUTION: Provided is the fluorine-based lubricants for magnetic recording medium represented by formula (1), (2) or (3), wherein the lubricants have an independent organic substituents on their terminals, R
1 , R
2 , R
3 and R
4 , and at least one of the substituents R
1 and R
2 , at least one of substituents R
3 and R
4 and at least one of substituent R
5 and R
6 have an isocyanate group. Provided is the magnetic recording medium using the lubricant.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供在磁记录介质的表面上的表面润滑剂和类金刚石（DLC）保护涂层之间具有高亲和力的磁记录介质。解决方案：提供由式（1），（2）或（3）表示的用于磁记录介质的氟基润滑剂，其中润滑剂在其末端具有独立的有机取代基，R SP>，R 2 ，R 3 和R 4 ，以及至少一个取代基R 1 SP＆取代基R 3和R 4中的至少一个和至少一个取代基R SP 5和/或 R 6 具有异氰酸酯基团。提供使用润滑剂的磁记录介质。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009110626A Magnetic recording medium for thermally assisted recording 有权
标题翻译：用于热辅助记录的磁记录介质
公开(公告)号：JP2009110626A
公开(公告)日：2009-05-21
申请号：JP2007284148
申请日：2007-10-31
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI , IMAI KUNIHIRO , MATSUMOTO TAKAKO
IPC分类号： G11B5/725 , C10M133/40 , C10N30/08 , C10N40/14 , G11B5/02
CPC分类号： G11B5/725 , G11B5/82 , G11B2005/0021
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording medium exhibiting high heat resistance by improving a problem of heat resistance performance of a lubricant for use in magnetic recording media.
SOLUTION: This invention relates to the magnetic recording medium for use in a thermally assisted recording system. The magnetic recording medium includes at least a magnetic layer, a protective layer and a lubricant layer formed on a nonmagnetic substrate. The lubricant of the lubricant layer exhibits such a heat resistance that an amount of volatilization when the magnetic layer is heated to a temperature not lower than a temperature Tw is less than 1% with respect to an initial amount of the lubricant in an unheated condition.
COPYRIGHT: (C)2009,JPO&INPIT

10. 发明专利

JP2008097659A Quantitative evaluation method of stuck lubricant 审中-公开
标题翻译：定量润滑剂的评估方法
公开(公告)号：JP2008097659A
公开(公告)日：2008-04-24
申请号：JP2006274289
申请日：2006-10-05
申请人： Fuji Electric Device Technology Co Ltd , 富士電機デバイステクノロジー株式会社
发明人： WATANABE TAKESHI
IPC分类号： G11B5/84
摘要： PROBLEM TO BE SOLVED: To provide an evaluation method which quantitatively evaluates an amount of a lubricant transferred and stuck to a magnetic head slider.
SOLUTION: The quantitative evaluation method of the stuck lubricant is characterized by detecting and measuring an integrated value of a fluorine fragment by using a temperature programmed desorption gas analyzer (TDS) for a magnetic head slider stuck with the lubricant on a disk substrate in contact with a magnetic disk substrate coated with the fluorine-based lubricant perfluoropolyether (PFPE), and thereby quantitizing the amount of the lubricant stuck onto the head slider.
COPYRIGHT: (C)2008,JPO&INPIT

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