-
公开(公告)号：US08068313B2
公开(公告)日：2011-11-29
申请号：US12271820
申请日：2008-11-14
IPC分类号： G11B5/48
CPC分类号： G11B5/4826 , G11B5/4873 , G11B5/5552
摘要： Embodiments of the present invention relate to approaches to effectively let noise on a head slider bonded to a silicon substrate of a microactuator, escape to the ground. A head gimbal assembly (HGA) according to an embodiment of the present invention comprises a microactuator bonded to a gimbal tongue. The microactuator comprises a piezoelectric element and a movable part for moving in response to expansion or contraction of the piezoelectric element. The motion of the movable part causes a head slider to slightly move. The microactuator further comprises a conductive path including an impurity-containing silicon layer formed on the silicon substrate. The conductive path transmits electric charge of the head slider to a suspension. The conductivity of the impurity-containing silicon layer is lower than the one of the silicon substrate so that the noise charge of the head slider may escape to the suspension.
摘要翻译： 本发明的实施例涉及有效地使结合到微致动器的硅衬底的磁头滑块上的噪声逃逸到地面的方法。 根据本发明的实施例的头万向节组件（HGA）包括结合到万向节舌的微致动器。 微致动器包括压电元件和用于响应于压电元件的膨胀或收缩而移动的可移动部件。 可移动部分的运动导致磁头滑块稍微移动。 微致动器还包括导电路径，该导电路径包括在硅衬底上形成的含杂质的硅层。 导电路径将磁头滑块的电荷传递到悬架。 含杂质的硅层的导电率低于硅衬底的电导率，使得磁头滑块的噪声电荷可能逸出到悬架。
-
公开(公告)号：US20090135523A1
公开(公告)日：2009-05-28
申请号：US12271820
申请日：2008-11-14
IPC分类号： G11B5/48
CPC分类号： G11B5/4826 , G11B5/4873 , G11B5/5552
摘要： Embodiments of the present invention relate to approaches to effectively let noise on a head slider bonded to a silicon substrate of a microactuator, escape to the ground. A head gimbal assembly (HGA) according to an embodiment of the present invention comprises a microactuator bonded to a gimbal tongue. The microactuator comprises a piezoelectric element and a movable part for moving in response to expansion or contraction of the piezoelectric element. The motion of the movable part causes a head slider to slightly move. The microactuator further comprises a conductive path including an impurity-containing silicon layer formed on the silicon substrate. The conductive path transmits electric charge of the head slider to a suspension. The conductivity of the impurity-containing silicon layer is lower than the one of the silicon substrate so that the noise charge of the head slider may escape to the suspension.
摘要翻译： 本发明的实施例涉及有效地使结合到微致动器的硅衬底的磁头滑块上的噪声逃逸到地面的方法。 根据本发明的实施例的头万向节组件（HGA）包括结合到万向节舌的微致动器。 微致动器包括压电元件和用于响应于压电元件的膨胀或收缩而移动的可移动部件。 可移动部分的运动导致磁头滑块稍微移动。 微致动器还包括导电路径，该导电路径包括在硅衬底上形成的含杂质的硅层。 导电路径将磁头滑块的电荷传递到悬架。 含杂质的硅层的导电率低于硅衬底的电导率，使得磁头滑块的噪声电荷可以逸出到悬架。
-
公开(公告)号：US20080151432A1
公开(公告)日：2008-06-26
申请号：US11643269
申请日：2006-12-20
IPC分类号： G11B5/48
CPC分类号： G11B5/4853 , G11B5/5552
摘要： A micro-electromechanical signal transmission line is made from an electrically conductive material. It has a first distal end and a second distal end. The second distal end is free to move with respect to said first distal end. There exists an unsupported region between the first distal end and the second distal end. The unsupported region is juxtaposed at a controlled distance from at least one grounded conductive surface.
摘要翻译： 微机电信号传输线由导电材料制成。 它具有第一远端和第二远端。 第二远端相对于所述第一远端自由移动。 在第一远端和第二远端之间存在无支撑区域。 未受支撑的区域与至少一个接地的导电表面在可控的距离处并置。
-
公开(公告)号：US07804663B2
公开(公告)日：2010-09-28
申请号：US11643269
申请日：2006-12-20
IPC分类号： G11B5/48
CPC分类号： G11B5/4853 , G11B5/5552
摘要： A micro-electromechanical signal transmission line is made from an electrically conductive material. It has a first distal end and a second distal end. The second distal end is free to move with respect to said first distal end. There exists an unsupported region between the first distal end and the second distal end. The unsupported region is juxtaposed at a controlled distance from at least one grounded conductive surface.
摘要翻译： 微机电信号传输线由导电材料制成。 它具有第一远端和第二远端。 第二远端相对于所述第一远端自由移动。 在第一远端和第二远端之间存在无支撑区域。 未受支撑的区域与至少一个接地的导电表面在可控的距离处并置。
-
公开(公告)号：US20120162825A1
公开(公告)日：2012-06-28
申请号：US12976899
申请日：2010-12-22
IPC分类号： G11B5/48
CPC分类号： G11B5/486
摘要： An interleaved conductor structure for electrically connecting the read/write electronics to a read/write head in a hard disk drive is provided. The interleaved conductor structure may allow for an increased characteristic-impedance range, greater interference shielding and a reduction of signal loss that is contributed by a lossy conductive substrate. The electrical traces may have different widths, be offset, or even wrap around each other at the via connections.
摘要翻译： 提供了用于将读/写电子学电连接到硬盘驱动器中的读/写头的交错导体结构。 交错的导体结构可以允许增加的特性阻抗范围，更大的干扰屏蔽和降低由有损导电基底所贡献的信号损失。 电迹线可能具有不同的宽度，偏移，或甚至在通孔连接处彼此缠绕。
-
6.发明授权Head-stack assembly including heat-dissipation and impedance-matching structure and hard-disk drive using the head-stack assembly 有权头堆叠组件包括散热和阻抗匹配结构以及使用磁头组合组件的硬盘驱动器公开(公告)号：US08194356B2
公开(公告)日：2012-06-05
申请号：US12644358
申请日：2009-12-22
申请人： Kazuhiro Nagaoka , Tatemi Ido , Nobumasa Nishiyama , Yuji Soga
发明人： Kazuhiro Nagaoka , Tatemi Ido , Nobumasa Nishiyama , Yuji Soga
IPC分类号： G11B5/55
CPC分类号： G11B5/486
摘要： A head-stack assembly. The head-stack assembly includes: a magnetic-recording head; a lead-suspension supporting the magnetic-recording head on an actuator arm; a metal plate coupled with the actuator arm; a resin layer disposed on the metal plate; a flexible-printed-circuit board disposed on the resin layer, and substantially perpendicularly connected to the lead-suspension; a arm-electronics module disposed on the flexible-printed-circuit board configured to shape a write-signal current waveform of a write signal to said magnetic-recording head; transmission lines disposed on the flexible-printed-circuit board configured to transmit the write signal to, and a read-back signal from, the lead-suspension; and, a single intermediate conductor layer that is disposed between the resin layer and the flexible-printed-circuit board, and having a planar shape substantially facing a bottom of the arm-electronics module and a bottom of the transmission lines.
摘要翻译： 顶部堆叠组件。 磁头堆叠组件包括：磁记录头; 将磁记录头支撑在致动器臂上的引导悬架; 与致动器臂联接的金属板; 设置在所述金属板上的树脂层; 柔性印刷电路板，设置在树脂层上，并且基本垂直地连接到引线悬架; 布置在所述柔性印刷电路板上的手臂电子模块，其被配置成将写入信号的写入信号电流波形整形到所述磁记录头; 布置在柔性印刷电路板上的传输线被配置为将写入信号传送到引线悬架;和读取信号; 以及设置在树脂层和柔性印刷电路板之间并且具有基本上面对臂电子模块的底部的平面形状和传输线的底部的单个中间导体层。
-
7.发明授权Magnetic recording disk drive with write driver to write head transmission line having non-uniform sections for optimal write current pulse overshoot 有权具有写驱动器的磁记录磁盘驱动器，其写头传输线具有不均匀的部分，用于最佳写入电流脉冲过冲公开(公告)号：US08189281B2
公开(公告)日：2012-05-29
申请号：US12641362
申请日：2009-12-18
CPC分类号： G11B5/02 , G11B5/484 , G11B5/4853 , G11B5/486 , G11B2005/0002
摘要： An interconnect between the write driver and the write head in a magnetic recording disk drive enables an inherent write current overshoot. The interconnect includes an integrated lead suspension (ILS) and a short flex cable that connects the write driver circuitry to the ILS. The interconnect is a two-segment transmission line, with the first segment connected to the write driver having multiple sub-segments or sections with non-uniform impedance levels. The section of the first segment that connects to the write driver is the short flex cable and has an impedance substantially higher than the source impedance ZWD of the write driver. The multiple sections of the first segment have non-uniform impedance values that have an effective impedance Z01-eff that substantially matches ZWD. The second segment of the transmission line has an effective impedance Z02-eff that is substantially less than Z01-eff. The write lines for the +W and −W signals are preferably interleaved on the transmission line sections.
摘要翻译： 磁记录盘驱动器中的写入驱动器和写入头之间的互连使得能够产生固有的写入电流过冲。 互连包括集成引线悬架（ILS）和将写入驱动器电路连接到ILS的短柔性电缆。 互连是双段传输线，其中第一段连接到具有不均匀阻抗水平的多个子段或部分的写驱动器。 连接到写驱动器的第一段的部分是短柔性电缆，并且具有显着高于写驱动器的源阻抗ZWD的阻抗。 第一段的多个部分具有不均匀的阻抗值，其具有基本上与ZWD匹配的有效阻抗Z01-eff。 传输线的第二段具有实质上小于Z01-eff的有效阻抗Z02-eff。 用于+ W和-W信号的写入线优选地在传输线部分上交错。
-
公开(公告)号：US08102628B2
公开(公告)日：2012-01-24
申请号：US11726614
申请日：2007-03-21
申请人： Ryohei Ota , Eiji Soga , Nobumasa Nishiyama , Hiroyasu Tsuchida
发明人： Ryohei Ota , Eiji Soga , Nobumasa Nishiyama , Hiroyasu Tsuchida
CPC分类号： G11B5/486
摘要： Embodiments disclose hole sequences that are formed in the metal layer of a trace to adjust rigidity and crosstalk noise resulting from the hole sequences is thereby suppressed. A suspension according to one aspect of the invention includes a trace adapted to transmit a signal of a head slider. The trace partially extends along the side surface of the suspension. The trace includes a metal layer, a plurality of transmission lines formed above the metal layer and an insulating layer. A hole sequence overlapping the transmission lines is formed in part of the metal layer, which contributes to a reduction in transmission loss. Another hole sequence of the metal layer is formed at a position opposed to the hinge portion of the suspension. This reduces the rigidity of the wiring structure portion in the hinge portion, thereby preventing interference with the behavior of the suspension at the hinge portion.
摘要翻译： 实施例公开了在痕迹的金属层中形成的调整刚性的孔序列，从而抑制由空穴序列产生的串扰噪声。 根据本发明的一个方面的悬架包括适于传输磁头滑块的信号的轨迹。 轨迹部分沿着悬架的侧表面延伸。 迹线包括金属层，形成在金属层上方的多条传输线和绝缘层。 与传输线重叠的孔序列形成在金属层的一部分中，这有助于传输损耗的降低。 金属层的另一个孔序列形成在与悬架的铰链部分相对的位置处。 这就降低了铰链部分中的布线结构部分的刚度，从而防止了在铰链部分处的悬架的行为的干扰。
-
公开(公告)号：US20070247744A1
公开(公告)日：2007-10-25
申请号：US11789626
申请日：2007-04-24
申请人： Noriaki Satoh , Toyomi Ohsawa , Yumi Nagano , Nobumasa Nishiyama
发明人： Noriaki Satoh , Toyomi Ohsawa , Yumi Nagano , Nobumasa Nishiyama
IPC分类号： G11B21/02
CPC分类号： G11B5/6064 , G11B5/6005
摘要： Embodiments in accordance with the present invention reduce the structural stress applied to a head, and to achieve the effective control, when the clearance between the head and a disk is adjusted by using a heater. According to one embodiment, the hard disk controller/microprocessing unit (HDC/MPU) controls a slew rate of a heater at the time of TFC (Thermal Fly height Control). In response to processing conditions, a HDC/MPU changes a slew rate of the output of electric current/voltage applied to the heater. This makes it possible to reduce the head stress, and to achieve the effective TFC. To be more specific, with reference to a temperature/slew rate table, the HDC/MPU changes a slew rate in response to the temperature in the read/write processing.
摘要翻译： 根据本发明的实施例，通过使用加热器调节头部和盘片之间的间隙时，降低施加在头部上的结构应力，并实现有效的控制。 根据一个实施例，硬盘控制器/微处理单元（HDC / MPU）在TFC（热飞行高度控制）时控制加热器的转换速率。 响应于处理条件，HDC / MPU改变加到加热器上的电流/电压输出的转换速率。 这使得可以减小头部应力，并实现有效的TFC。 更具体地，参考温度/转换速率表，HDC / MPU根据读/写处理中的温度改变转换速率。
-
公开(公告)号：US20070230059A1
公开(公告)日：2007-10-04
申请号：US11726614
申请日：2007-03-21
申请人： Ryohei Ota , Eiji Soga , Nobumasa Nishiyama , Hiroyasu Tsuchida
发明人： Ryohei Ota , Eiji Soga , Nobumasa Nishiyama , Hiroyasu Tsuchida
IPC分类号： G11B5/48
CPC分类号： G11B5/486
摘要： Embodiments in accordance with the present invention disclose hole sequences that are formed in the metal layer of a trace to adjust rigidity and crosstalk noise resulting from the hole sequences is thereby suppressed. A suspension according to one aspect of the invention includes a trace adapted to transmit a signal of a head slider. The trace partially extends along the side surface of the suspension. The trace includes a metal layer, a plurality of transmission lines formed above the metal layer and an insulating layer. A hole sequence overlapping the transmission lines is formed in part of the metal layer, which contributes to a reduction in transmission loss. Another hole sequence of the metal layer is formed at a position opposed to the hinge portion of the suspension. This reduces the rigidity of the wiring structure portion in the hinge portion, thereby preventing interference with the behavior of the suspension at the hinge portion.
摘要翻译： 根据本发明的实施例公开了在轨迹的金属层中形成的调整刚度的孔序列，从而抑制由空穴序列产生的串扰噪声。 根据本发明的一个方面的悬架包括适于传输磁头滑块的信号的轨迹。 轨迹部分沿着悬架的侧表面延伸。 迹线包括金属层，形成在金属层上方的多条传输线和绝缘层。 与传输线重叠的孔序列形成在金属层的一部分中，这有助于传输损耗的降低。 金属层的另一个孔序列形成在与悬架的铰链部分相对的位置处。 这就降低了铰链部分中的布线结构部分的刚度，从而防止了在铰链部分处的悬架的行为的干扰。
-
-
-
-
-
-
-
-
-
搜索结果
57 条记录 (耗时 0.033 秒)