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    • 3. 发明授权
    • System, method and apparatus for pattern clean-up during fabrication of patterned media using forced assembly of molecules
    • 使用强制组装分子的图案化介质制造期间图案清理的系统,方法和装置
    • US08481245B2
    • 2013-07-09
    • US13333109
    • 2011-12-21
    • Qing DaiDan Saylor KercherHuey-Ming Tzeng
    • Qing DaiDan Saylor KercherHuey-Ming Tzeng
    • G03F7/20
    • G03F7/40B82Y10/00G11B5/743G11B5/82G11B5/855
    • A pattern clean-up for fabrication of patterned media using a forced assembly of molecules is disclosed. E-beam lithography is initially used to write the initial patterned bit media structures, which have size and positioning errors. Nano-sized protein molecules are then forced to assemble of on top of the bits. The protein molecules have a very uniform size distribution and assemble into a lattice structure above the e-beam patterned areas. The protein molecules reduce the size and position errors in e-beam patterned structures. This process cleans the signal from the e-beam lithography and lowers the noise in the magnetic reading and writing. This process may be used to fabricate patterned bit media directly on hard disk, or to create a nano-imprint master for mass production of patterned bit media disks.
    • 公开了使用分子的强制组装制造图案化介质的图案清理。 电子束光刻最初用于写入具有尺寸和定位误差的初始图案化的位介质结构。 然后将纳米级蛋白质分子强制装配在顶部的位上。 蛋白质分子具有非常均匀的尺寸分布并且组装成电子束图案区域上方的晶格结构。 蛋白质分子减小电子束图案结构中的尺寸和位置误差。 该过程清除电子束光刻中的信号,并降低磁读取和写入中的噪声。 该过程可用于直接在硬盘上制造图案化的位介质,或者用于创建用于批量生产图案化位媒体盘的纳米压印母版。
    • 6. 发明申请
    • NANOIMPRINT LITHOGRAPHY METHOD FOR MAKING A PATTERNED MAGNETIC RECORDING DISK USING IMPRINT RESIST WITH ENLARGED FEATURE SIZE
    • 使用具有扩展特征尺寸的印刷电阻制作图形磁记录盘的纳米印刷法
    • US20120138567A1
    • 2012-06-07
    • US12957514
    • 2010-12-01
    • Toshiki HiranoDan Saylor KercherJeffrey S. LilleKanaiyalal Chaturdas Patel
    • Toshiki HiranoDan Saylor KercherJeffrey S. LilleKanaiyalal Chaturdas Patel
    • G11B5/84
    • G11B5/8404G11B5/855
    • A method for making a patterned-media magnetic recording disk using nanoimprint lithography (NIL) enlarges the size of the imprint resist features after the imprint resist has been patterned by NIL. The layer of imprint resist material is deposited on a disk blank, which may have the magnetic layer already deposited on it. The imprint resist layer is patterned by NIL, resulting in a plurality of spaced-apart resist pillars with sloped sidewalls from the top to the base. An overlayer of a material like a fluorocarbon polymer is deposited over the patterned resist layer, including over the sloped resist pillar sidewalls. This enlarges the lateral dimension of the resist pillars. The overlayer is then etched to leave the overlayer on the sloped resist pillar sidewalls while exposing the disk blank in the spaces between the resist pillars. The resist pillars with overlayer on the sloped resist pillar sidewalls is then used as a mask for etching the disk blank, leaving a plurality of discrete islands on the disk blank.
    • 使用纳米压印光刻(NIL)制造图案化介质磁记录盘的方法在印记抗蚀剂已经被NIL图案化之后扩大了抗印刷抗蚀剂特征的尺寸。 印版抗蚀剂材料层沉积在可能具有已经沉积在其上的磁性层的盘坯上。 抗蚀刻层通过NIL进行图案化,从而形成多个间隔开的抗蚀剂柱,其具有从顶部到底部的倾斜的侧壁。 诸如氟碳聚合物的材料的覆盖层沉积在图案化的抗蚀剂层上,包括在倾斜的抗蚀剂柱侧壁上。 这增加了抗蚀柱的横向尺寸。 然后对覆盖层进行蚀刻以将覆盖层留在倾斜的抗蚀剂柱侧壁上,同时在抗蚀剂柱之间的空间中露出盘坯。 然后将具有覆盖层的抗蚀剂柱用于倾斜的抗蚀剂柱侧壁上,用作蚀刻盘坯的掩模,在盘坯上留下多个离散的岛。
    • 9. 发明授权
    • Magnetic recording disk having pre-patterned surface features and planarized surface
    • 具有预图案化表面特征和平坦化表面的磁记录盘
    • US08338006B2
    • 2012-12-25
    • US12136640
    • 2008-06-10
    • Qing DaiXing-Cai GuoDan Saylor KercherMike Suk
    • Qing DaiXing-Cai GuoDan Saylor KercherMike Suk
    • G11B5/65
    • G11B5/855B82Y10/00G11B5/743G11B5/8408
    • A method for planarizing a magnetic recording disk that has surface features of elevated lands and recessed grooves includes forming two coatings of cured perfluorinated polyether (PFPE) polymers over the surface features. The disk may have a protective carbon overcoat with a surface that replicates the topography of lands and grooves. A liquid functionalized-PFPE is applied over the disk surface and then cured to form a first coating with the functionalized end groups bonding to the carbon overcoat. A liquid non-functionalized-PFPE polymer is then applied over the functionalized-PFPE coating and cured to form a second coating. The combined coatings substantially planarize the disk surface so that there is minimal recession between the top of the coating over the lands and the top of the coating over the grooves.
    • 用于平面化磁记录盘的方法,其具有升高的平台和凹槽的表面特征,包括在表面特征上形成固化的全氟化聚醚(PFPE)聚合物的两个涂层。 盘可以具有保护性碳覆盖层,其具有复制土地和沟槽的形貌的表面。 将液体官能化的PFPE施加在盘表面上,然后固化以形成具有与碳外涂层结合的官能化端基的第一涂层。 然后将液体非官能化-PFPE聚合物施加到官能化-PFPE涂层上并固化以形成第二涂层。 组合的涂层基本上使盘表面平坦化,使得在涂层的顶部与焊盘顶部之间存在最小的凹陷。
    • 10. 发明授权
    • System, method and apparatus for pattern clean-up during fabrication of patterned media using forced assembly of molecules
    • 使用强制组装分子的图案化介质制造期间图案清理的系统,方法和装置
    • US08105753B2
    • 2012-01-31
    • US11946423
    • 2007-11-28
    • Qing DaiDan Saylor KercherHuey-Ming Tzeng
    • Qing DaiDan Saylor KercherHuey-Ming Tzeng
    • G03F7/20
    • G03F7/40B82Y10/00G11B5/743G11B5/82G11B5/855
    • A pattern clean-up for fabrication of patterned media using a forced assembly of molecules is disclosed. E-beam lithography is initially used to write the initial patterned bit media structures, which have size and positioning errors. Nano-sized protein molecules are then forced to assemble of on top of the bits. The protein molecules have a very uniform size distribution and assemble into a lattice structure above the e-beam patterned areas. The protein molecules reduce the size and position errors in e-beam patterned structures. This process cleans the signal from the e-beam lithography and lowers the noise in the magnetic reading and writing. This process may be used to fabricate patterned bit media directly on hard disk, or to create a nano-imprint master for mass production of patterned bit media disks.
    • 公开了使用分子的强制组装制造图案化介质的图案清理。 电子束光刻最初用于写入具有尺寸和定位误差的初始图案化的位介质结构。 然后将纳米级蛋白质分子强制装配在顶部的位上。 蛋白质分子具有非常均匀的尺寸分布并且组装成电子束图案区域上方的晶格结构。 蛋白质分子减小电子束图案结构中的尺寸和位置误差。 该过程清除电子束光刻中的信号,并降低磁读取和写入中的噪声。 该过程可用于直接在硬盘上制造图案化的位介质,或者用于创建用于批量生产图案化位媒体盘的纳米压印母版。