公开(公告)号：US06459546B1

公开(公告)日：2002-10-01

申请号：US09353854

申请日：1999-07-15

申请人： Michael D. Mundt ,  James R. Krolnik

发明人： Michael D. Mundt ,  James R. Krolnik

IPC分类号： G11B560

CPC分类号： G11B5/60

摘要： A self-loading disc head slider includes a slider body with leading and trailing slider edges, first and second side edges, and a length along a slider center line, from the leading slider edge to the trailing slider edge. First and second raised rails are positioned on the slider body, generally along the first and second side edges, respectively, and terminate prior to the trailing slider edge. The first and second raised rails form first and second bearing surfaces. A raised center pad is positioned along the trailing slider edge at the slider center line and forms a third bearing surface. A cavity dam is positioned rearward of the first and second raised rails and has a forward section, which is positioned forward of the raised center pad, and first and second leg sections, which extend rearward from the forward section on respective sides of the raised center pad. A subambient pressure cavity trails the cavity dam and extends on respective sides of the raised center pad.

摘要翻译： 自装载盘头滑块包括具有前滑块边缘和后滑块边缘的滑块体，第一和第二侧边缘以及沿着滑块中心线的长度，从前滑块边缘到后滑块边缘。 第一和第二凸起的轨道分别位于滑块主体上，分别沿着第一和第二侧边缘，并且在拖尾滑块边缘之前终止。 第一和第二凸起轨形成第一和第二轴承表面。 凸起的中心垫沿着滑块中心线处的后滑块边缘定位并形成第三支承表面。 空腔坝位于第一和第二凸起轨道的后方，并且具有位于升高的中心垫的前方的前部，以及从凸起中心的相应侧面上的前部向后延伸的第一和第二腿部 垫。 凹陷的压力腔沿着凸起的中心衬垫的相应侧面延伸，并且在腔体的下方延伸。

公开(公告)号：US06785081B2

公开(公告)日：2004-08-31

申请号：US09975294

申请日：2001-10-11

申请人： Mark A. Chapin ,  Serge J. Fayeulle ,  Michael D. Mundt ,  Gary E. Bement ,  Paul W. Smith

发明人： Mark A. Chapin ,  Serge J. Fayeulle ,  Michael D. Mundt ,  Gary E. Bement ,  Paul W. Smith

IPC分类号： G11B2102

CPC分类号： G11B5/012 ,  G11B5/60 ,  G11B19/04 ,  G11B21/21 ,  G11B27/36 ,  G11B33/10

摘要： A fly height detector apparatus and associated method for detecting the fly height of a read/write head spatially disposed from a data storage surface during a data transfer operation. The fly height detector apparatus comprises a receiver circuit measuring the frequency of the read/write head; a perturbation deliverable to the gap between the read/write head and the data storage surface to invoke a dynamic response in the read/write head; and a processor circuit responsive to the receiver circuit to derive a fly height in relation to the dynamic response frequency. The processor circuit comprises a memory in which is stored a numerical model describing a functional interrelationship between the fly height and the read/write head frequency.

摘要翻译： 一种飞行高度检测装置和相关联的方法，用于检测在数据传送操作期间从数据存储表面空间设置的读/写头的飞行高度。 飞行高度检测装置包括测量读/写头频率的接收电路; 可读取/写入头和数据存储表面之间的间隙的扰动，以调用读/写头中的动态响应; 以及响应于所述接收机电路以相对于所述动态响应频率导出飞行高度的处理器电路。 处理器电路包括存储器，其中存储有描述飞行高度和读/写头频率之间的功能相互关系的数值模型。

公开(公告)号：US06760182B2

公开(公告)日：2004-07-06

申请号：US10079046

申请日：2002-02-18

申请人： Gary E. Bement ,  Mark A. Chapin ,  Michael D. Mundt ,  Jason W. Riddering

发明人： Gary E. Bement ,  Mark A. Chapin ,  Michael D. Mundt ,  Jason W. Riddering

IPC分类号： G11B2102

CPC分类号： G11B5/4826 ,  G11B5/6005

摘要： A disc drive includes a disc, a beam extending from the voice coil motor to a gimbal point to provide a load force, and a slider that flies over the disc with a pole tip protrusion that has an ambient temperature sensitivity. The disc drive also includes a strut with a yielding bend section (YBS). Deposits of shape memory alloys (SMA) having different first and second transformation temperature ranges are deposited on the yielding bend section (YBS) and effectively reduce an ambient temperature sensitivity of the pole tip protrusion.

摘要翻译： 盘驱动器包括盘，从音圈电机延伸到万向节以提供负载力的光束，以及具有环境温度敏感度的极尖突起的盘上的滑块。 磁盘驱动器还包括具有屈服弯曲部分（YBS）的支柱。 具有不同的第一和第二相变温度范围的形状记忆合金（SMA）的沉积物沉积在屈服弯曲部分（YBS）上，并有效地降低极尖突起的环境温度敏感性。

公开(公告)号：US06563673B2

公开(公告)日：2003-05-13

申请号：US09952122

申请日：2001-09-11

申请人： Michael D. Mundt ,  Mark A. Chapin ,  Gary E. Bement ,  Brian D. Denker ,  Paul M. Jones

发明人： Michael D. Mundt ,  Mark A. Chapin ,  Gary E. Bement ,  Brian D. Denker ,  Paul M. Jones

IPC分类号： G11B582

CPC分类号： G11B5/60 ,  G11B5/59688 ,  G11B5/6005 ,  G11B5/82

摘要： A patterned magnetic storage medium has a plurality of data sectors separated by respective servo sectors with each servo sector having a pattern of pits representing servo data. Grooves in each data sector separate adjacent tracks. Non-uniform structures patterns the grooves to a model of minimum or zero fly height perturbations of a slider adjacent the medium. The non-uniform structures preferably include lands pseudo-randomly spaced along each groove to form segmented grooves of pseudo-random length, with the lands being pseudo-randomly positioned across the data sector. In other embodiments, the servo sectors have lengths along each track to define a null frequency that matches a pitch frequency of modulation of a slider due to the pits of the servo sectors.

摘要翻译： 图案化磁存储介质具有由相应的伺服扇区分开的多个数据扇区，每个伺服扇区具有表示伺服数据的凹坑图案。 每个数据扇区的槽分开相邻的轨道。 不均匀结构将凹槽图案化为与介质相邻的滑块的最小或零飞高度扰动的模型。 非均匀结构优选地包括沿着每个凹槽伪随机间隔开的凸起以形成伪随机长度的分段凹槽，其中凸台被伪随机地定位在数据扇区上。 在其他实施例中，伺服扇区沿着每个轨道具有长度，以限定由于伺服扇区的凹坑而使滑块的调制频率匹配的零点频率。