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1. 发明申请

WO1998020485A1 HEAD SUSPENSION WITH SELF-SHIELDING "e;TWISTED"e; INTEGRATED CONDUCTOR TRACE ARRAY 审中-公开
标题翻译：带自锁式“双绞”集成导体跟踪阵列的头枕
公开(公告)号：WO1998020485A1
公开(公告)日：1998-05-14
申请号：PCT/US1997020311
申请日：1997-11-06
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , CARPENTER, Christopher, M. , AKIN, William, R., Jr. , WILLIAMS, Stephen, P. , BALAKRISHNAN, Arun
IPC分类号： G11B05/48
CPC分类号： G11B5/484 , G11B5/4846
摘要： A head suspension (10) has an integrated two-layer trace conductor array (16) for supporting and electrically interconnecting a dual element read/write head (20) to electronic circuitry in a disk drive (30) while providing reduced susceptibility to electromagnetic interference and stray signal pickup. Two sets of trace segments (60, 62) on two layers (25, 27) are formed in a crossing, "twisted wire" pattern, and are connected into a two conductor signal path by vias (70) extending between the two layers. A laterally and elevationally transposed multi-conductor trace array (16A) is also described.
摘要翻译：头悬挂（10）具有集成的双层跟踪导体阵列（16），用于将双元件读/写头（20）电连接到磁盘驱动器（30）中的电子电路，同时提供对电磁干扰的降低的敏感性和杂散信号拾取。在两层（25,27）上的两组迹线段（60,62）以交叉的“绞线”图案形成，并且通过在两层之间延伸的通孔（70）连接到两导体信号路径中。还描述了横向和正交转置的多导体迹线阵列（16A）。

2. 发明申请

WO1998012819A1 IMPROVED MULTIPLE-BURST-CORRECTION SYSTEM 审中-公开
标题翻译：改进的多冲程校正系统
公开(公告)号：WO1998012819A1
公开(公告)日：1998-03-26
申请号：PCT/US1997016408
申请日：1997-09-16
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , WENG, Lih-Jyh
IPC分类号： H03M13/00
CPC分类号： H03M13/151 , H03M13/17
摘要： A multiple-solid-burst error correcting system (10) determines the number and locations of solid burst errors in a high-rate Reed-Solomon or BCH code by determining (106) the greatest common divisor and the non-common factors of the error locator polynomial and a mapping error locator polynomial. The roots common to both polynomials are included in the greatest common divisor and correspond to adjacent error locations contained in the solid bursts. The roots of the error locator polynomial's non-common factors correspond to the first locations of the solid bursts, and the roots of the mapping error locator polynomial's non-common factors correspond to one location beyond the solid burst end locations. The roots of only the non-common factors are used (112) to determine the locations in the solid bursts and all locations between associated first and last locations are labelled.
摘要翻译：多固体突发误差校正系统（10）通过确定（106）最大公因数和误差的非共同因子来确定高速率里德 - 所罗门或BCH码中的实体脉冲串错误的数量和位置定位多项式和映射误差定位多项式。两个多项式公共的根被包括在最大的公约数中，并且对应于包含在实体突发中的相邻错误位置。误差定位多项式的非常数因子的根与固体脉冲串的第一个位置相对应，映射误差定位多项式的非共同因子的根对应于超出实体突发结束位置的一个位置。仅使用非共同因素的根（112）来确定实体突发中的位置，并且标记相关的第一和最后位置之间的所有位置。

3. 发明申请

WO1997026654A1 LOW PROFILE DISK DRIVE ARCHITECTURE WITH IN-LINE CIRCUIT BOARD AND FLEX CIRCUIT PRESSURE PIN CONNECTOR 审中-公开
标题翻译：带有线性电路板和柔性电路压力引脚连接器的低剖面磁盘驱动架构
公开(公告)号：WO1997026654A1
公开(公告)日：1997-07-24
申请号：PCT/US1997000779
申请日：1997-01-17
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , AMIRKIAI, Maziar , HOSSEINZADEH, Ali , RICH, Philip, W.
IPC分类号： G11B17/02
CPC分类号： G11B33/121 , G11B25/043
摘要： A hard disk drive (10) includes a spindle motor flex circuit (22) having a connection end (24) secured to a drive base (12) at a location established by a reference feature (52) and an actuator flex circuit (90) having a connection end (92) also secured to the base (12) at the location established by the feature (52); a cover (114) and cover gasket (112) mounted to the base plate (12) enclose and seal a rotating data storage disk (70), a disk spindle motor, a magnet structure, a rotary actuator assembly (82) and the flex circuits (24, 92) except for the spindle motor connection end (24) and the actuator connection end (92); and, a printed circuit board (122) carrying drive electronics has a connector array (126) of pressure pins (128) aligned to contact facing connecting pads (130) of the flex circuits (24, 92), the connector array (126) having an alignment pin (132) for registering with the reference feature (52) of the base plate (12) as the printed circuit board (122) is mounted to the base plate (12) externally of the cover (114), thereby establishing electrical connections between the printed circuit board (122) and the flex circuit connection pads (130). This arrangement results in an in-line circuit board and a low-profile disk drive, lending itself to simplified assembly by manufacturing robots.
摘要翻译：硬盘驱动器（10）包括主轴电机柔性电路（22），其具有在由参考特征（52）和致动器柔性电路（90）建立的位置处固定到驱动基座（12）的连接端（24）具有在由特征（52）建立的位置处固定到基座（12）的连接端（92）。安装到基板（12）的盖（114）和盖垫圈（112）封闭并密封旋转的数据存储盘（70），盘主轴电机，磁体结构，旋转致动器组件（82）和柔性除了主轴电动机连接端（24）和致动器连接端（92）之外的电路（24,92）; 并且，承载驱动电路的印刷电路板（122）具有与柔性电路（24,92）的面对的连接焊盘（130）对准的压力销（128）的连接器阵列（126），连接器阵列（126）具有用于与所述基板（12）的参考特征（52）对准的对准销（132），因为所述印刷电路板（122）从所述盖（114）的外部安装到所述基板（12），从而建立印刷电路板（122）和柔性电路连接焊盘（130）之间的电连接。这种布置导致在线电路板和低轮廓磁盘驱动器，借助制造机器人来简化组装。

4. 发明申请

WO1997025710A1 FOUR CHANNEL AZIMUTH AND TWO CHANNEL NON-AZIMUTH READ-AFTER-WRITE LONGITUDINAL MAGNETIC HEAD 审中-公开
标题翻译：四通道AZIMUTH和两个通道非AZIMUTH阅读后写入磁头
公开(公告)号：WO1997025710A1
公开(公告)日：1997-07-17
申请号：PCT/US1997000344
申请日：1997-01-08
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , PANISH, Joseph, M. , SALIBA, George, A. , STEINBERG, Mitchell, R.
IPC分类号： G11B05/55
CPC分类号： G11B5/00817 , G11B5/2651 , G11B5/29 , G11B5/4893 , G11B5/56 , G11B15/02 , G11B15/125
摘要： A read-after-write head (100) for four channel azimuth recording in one mode of operation and two channel non-azimuth recording in another mode of operation. Four forward write head gaps (104, 106, 108, 110), four read head gaps (120, 122, 124, 126), and four backward write head gaps (112, 114, 116, 118) are geometrically positioned within a rotatable and laterally indexable face plate (102) of a recording head housing. The read and write head gaps collectively provide four forward write channels, four read channels, and four backward write channels. During the azimuth mode of operation, the head is rotated to the preselected positive or negative azimuth angle and all of the read and write channels are utilized. During the non-azimuth, or vertical, mode of operation, write channels two and four are used in combination with read channels one and three to provide two channel non-azimuth, or vertical, operation.
摘要翻译：在一种操作模式下的四通道方位记录读写头读取头（100）和在另一操作模式下的两通道非方位记录。四个向前写入头部间隙（104,106,108,110），四个读取头间隙（120,122,124,126）和四个向后写入头部间隙（112,114,116,118）几何地位于可旋转和记录头壳体的侧向可转位的面板（102）。读写头间隙共同提供四个正向写入通道，四个读取通道和四个反向写入通道。在方位操作模式下，头部旋转到预选的正或负方位角，并利用所有的读和写通道。在非方位或垂直操作模式期间，将两个和四个写入通道与读取通道一和三组合使用以提供两个通道非方位或垂直操作。

5. 发明申请

WO1997016011A1 WIDE BIPHASE DIGITAL SERVO INFORMATION, DETECTION, AND ESTIMATION FOR DISK DRIVE USING VITERBI DETECTION 审中-公开
标题翻译：宽带数字服务器信息，使用VITERBI检测的磁盘驱动器的检测和估计
公开(公告)号：WO1997016011A1
公开(公告)日：1997-05-01
申请号：PCT/US1996016793
申请日：1996-10-17
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , PATAPOUTIAN, Ara , VEA, Mathew, P. , NGUYEN, Hung, C.
IPC分类号： H04L27/06
CPC分类号： H04L25/4904 , G11B5/5526 , G11B5/5965 , G11B5/59688 , G11B20/10009 , G11B27/3027 , G11B2220/20
摘要： A synchronous sampling data detection channel includes a data transducer head (26) positioned by a servo-controlled actuator (32) over a recording track of a rotating data storage disk (16), a preamplifier (28) for receiving electrical analog signals magnetically induced by the data transducer head (26) from flux transitions present in at least the servo information field, a digital sampler (46) for sychronously sampling the electrical analog signals to produce digital samples, and a Viterbi detector coupled to receive digital samples from the synchronous sampling data detection channel for decoding 1/4 T coded wide biphase servo information patterns as maximum likelihood servo data sequences, wherein the wide biphase magnet patterns are arranged e.g. as ++-- magnet patterns for a binary zero information value and --++ magnet patterns for a binary one information value.
摘要翻译：同步采样数据检测通道包括由伺服控制的致动器（32）定位在旋转数据存储盘（16）的记录轨道上的数据传感器头（26），用于接收电磁感应的电模拟信号的前置放大器（28）数据采样器（46），用于同步地对电气模拟信号进行采样以产生数字样本;以及维特比检测器，其被耦合以从同步的方式接收数字样本用于将1/4T编码宽双相伺服信息模式解码为最大似然伺服数据序列的采样数据检测通道，其中宽双相磁体图案被布置为作为二进制零信息值的++ - 磁体模式和二进制一个信息值的++磁体模式。

6. 发明申请

WO1997012362A1 METHOD USING MATCHED FILTERS FOR DETERMINING HEAD POSITIONER MICRO-JOG IN HARD DISK DRIVE EMPLOYING MAGNETO-RESISTIVE HEADS 审中-公开
标题翻译：使用匹配滤波器的方法，用于确定使用磁性电阻头的硬盘驱动器中的头位置微型计算机
公开(公告)号：WO1997012362A1
公开(公告)日：1997-04-03
申请号：PCT/US1996015244
申请日：1996-09-17
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , FITZPATRICK, James , CHE, Xiaodong
IPC分类号： G11B05/09
CPC分类号： G11B5/012 , G11B5/4886 , G11B5/59627 , G11B5/59683
摘要： Determining a micro-jog parameter in a disk drive that employs a magneto-resistive (MR) transducer head assembly and a partial response (PRML) detector includes improved accuracy in measuring on-track signal strength by use of a matched filter technique. The matched filter includes circuitry (424) for emulating a partial response signal expected to be produced by a selected test bit pattern prerecorded on the selected track. The matched filtering technique provides improved accuracy in measuring the detected signal strength as it provides an extremely narrow digital filter (428-430, 432) focused on the test bit pattern frequency. Improved determination of the micro-jog distance further includes measuring interference from adjacent tracks, the best error rate being achieved at micro-jog positions intermediate the maximum on-track signal strength and the minimum off-track interference. A novel digital detector for accurately measuring adjacent track interference also is disclosed.
摘要翻译：确定采用磁阻（MR）传感器头部组件和部分响应（PRML）检测器的磁盘驱动器中的微步进参数包括通过使用匹配滤波器技术来提高测量轨道上信号强度的精度。匹配滤波器包括用于模拟预期由预先记录在所选轨道上的选定测试位模式产生的部分响应信号的电路（424）。匹配滤波技术提供了测量检测信号强度的改进精度，因为它提供了一个专注于测试位模式频率的极窄数字滤波器（428-430,432）。改进的微步距距离的确定还包括测量来自相邻轨道的干扰，在最大导轨信号强度和最小偏离磁道干扰之间的微点位置处实现最佳误码率。公开了一种用于精确测量相邻轨道干扰的新型数字检测器。

7. 发明申请

WO1997005603A1 METHOD AND APPARATUS FOR MULTIPLE CHANNEL HEAD ASSEMBLY 审中-公开
标题翻译：多通道头组件的方法和装置
公开(公告)号：WO1997005603A1
公开(公告)日：1997-02-13
申请号：PCT/US1996011924
申请日：1996-07-19
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , SALIBA, George, A.
IPC分类号： G11B05/29
CPC分类号： G11B5/10 , G11B5/00817 , G11B5/255 , G11B5/29 , G11B5/295 , G11B5/4893 , G11B15/62
摘要： A multiple channel magnetic tape head assembly (10) defines a plurality of spaced-apart transducer elements (24, 26) along an integral bar (12) of ferromagnetic material. Each element (24, 26) formed by grinding operations performed upon the integral bar (12), has a magnetic gap (28) and flux circuit which is isolated from cross-talk with the other elements. Each element is precisely located by the integral bar (12), portions of which remain after griding. The head assembly provides an aligned longitudinal tape wear region and may further provide widened transverse wear regions adjacent to each of the transducer elements. A fabrication method for forming a multiple channel magnetic tape head assembly is also described.
摘要翻译：多通道磁带头组件（10）沿着铁磁材料的整体杆（12）限定多个间隔开的换能器元件（24,26）。通过在整体条（12）上执行的研磨操作形成的每个元件（24,26）具有磁隙（28）和与其它元件的串扰隔离的磁通电路。每个元件通过整体杆（12）精确定位，其部分在磨削之后保持。头组件提供对准的纵向带磨损区域，并且还可以提供与每个换能器元件相邻的加宽的横向磨损区域。还描述了一种用于形成多通道磁带头组件的制造方法。

8. 发明申请

WO1997002529A1 METHOD AND APPARATUS TO PROTECT DATA WITHIN A DISK DRIVE BUFFER 审中-公开
标题翻译：在磁盘驱动器缓冲器中保护数据的方法和装置
公开(公告)号：WO1997002529A1
公开(公告)日：1997-01-23
申请号：PCT/US1996010731
申请日：1996-06-19
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , NGUYEN, Hung, C. , HOSPODOR, Andrew, D.
IPC分类号： G06F11/10
CPC分类号： H03M13/15 , G06F11/1004 , G06F11/1616
摘要： A cross-check encoder (116) and comparison circuit (118) is added to an interface circuit (101) which receives data from a host processing system (100). Incoming host data is encoded to produce redundant information according to the same Reed-Solomon code implemented in the cross-check circuitry already provided in the data path to detect miscorrections by the error correction code. Cross-check redundancy generated by the interface cross-check encoder (104) is appended to its associated data block in the block memory buffer (108). The integrity of the data blocks passing through the buffer is checked by utilizing the cross-check circuitry to regenerate the redundant cross-check bytes and then performing a comparison of the regenerated cross-check bytes with the cross-check bytes from the buffer.
摘要翻译：交叉检验编码器（116）和比较电路（118）被添加到从主机处理系统（100）接收数据的接口电路（101）。编码进入的主机数据以根据在数据路径中已经提供的交叉核对电路中实现的相同的里德 - 所罗门码来产生冗余信息，以通过纠错码来检测误差。由接口交叉校验编码器（104）产生的交叉校验冗余被附加到块存储器缓冲器（108）中的相关联的数据块。通过使用交叉检查电路来检查通过缓冲器的数据块的完整性，以重新生成冗余交叉检查字节，然后执行再生的交叉检查字节与来自缓冲器的交叉检查字节的比较。

9. 发明申请

WO1996036130A1 ENCODING DATA WITH VARIABLE BLOCK LENGTHS 审中-公开
标题翻译：用可变块长度编码数据
公开(公告)号：WO1996036130A1
公开(公告)日：1996-11-14
申请号：PCT/US1996006378
申请日：1996-05-06
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , WENG, Lih-Jyh , DeROO, John , LEIS, Michael
IPC分类号： H03M07/46
CPC分类号： H03M5/145 , G06T9/005 , G11B20/1426 , H03M13/31
摘要： An encoding system uses a modified 8/9 rate modulation code to encode 8-bit data symbols into 9-bit cells in a conventional manner in accordance with the modified code and 9-bit ECC symbols into 10-bit cells by (i) encoding 8 bits of the symbol into a 9-bit cell in accordance with the modified code, and (ii) inserting into the 9-bit cell the remaining that is, the non-encoded, bit of the ECC symbol. The system reproduces the 8-bit data symbols by decoding the 9-bit cells in a conventional manner in accordance with the modified code, and the 9-bit ECC symbols by (i) removing from the associated 10-bit cell the bit inserted during encoding, (ii) decoding the remaining 9 bits to reproduce 8 bits of the symbol, and (iii) inserting into the 8 bits the bit that was earlier removed. In an exemplary embodiment, the 8 least significant bits of the ECC symbol are encoded using the modified 8/9 rate code. The 9 bits produced by the code are used essentially as the first "c" and last "10-c" bits of a 10-bit cell.
摘要翻译：编码系统使用经修改的8/9速率调制码，以常规方式将8位数据符号根据经修改的代码和9位ECC符号编码为10比特单元，通过（i）编码根据修改后的代码将符号的8位变换为9位单元，以及（ii）向9位单元插入余下的ECC符号的未编码位。该系统通过根据修改的代码以常规方式对9位单元进行解码来再现8位数据符号，并且通过（i）从相关联的10位单元中删除插入的位的9位ECC符号来再现8位数据符号编码，（ii）对剩余的9位进行解码以再现该符号的8位，以及（iii）在8位中插入较早去除的位。在示例性实施例中，使用修改的8/9速率码对ECC符号的8个最低有效位进行编码。代码产生的9位基本上被用作10位单元的第一个“c”和“10-c”位。

10. 发明申请

WO1996028812A1 SHAPED SPIN VALVE TYPE MAGNETORESISTIVE TRANSDUCER AND METHOD FOR FABRICATING THE SAME INCORPORATING DOMAIN STABILIZATION TECHNIQUE 审中-公开
标题翻译：形状的旋转阀型磁阻传感器及其制造方法用于制造域稳定技术
公开(公告)号：WO1996028812A1
公开(公告)日：1996-09-19
申请号：PCT/US1996003098
申请日：1996-03-04
申请人： QUANTUM CORPORATION
发明人： QUANTUM CORPORATION , KIM, Young, Keun , NIX, J., Lamar
IPC分类号： G11B05/39
CPC分类号： B82Y25/00 , B82Y10/00 , G01R33/093 , G11B5/3903 , G11B5/3967 , G11B5/399 , G11B2005/3996 , H01L43/08
摘要： A magnetoresistive transducer and method for manufacturing the same includes a spin valve structure comprising a pinned, bottom ferromagnetic layer (58) and an active, top ferromagnetic layer (62) separated by a thin nonmagnetic metal spacer layer (60). The active ferromagnetic layer (62) and underlying spacer layer (60) are formed into a mesa structure having tapered opposing sides to promote better surface planarization in a thin film fabrication process. A pair of permanent magnet layer portions (68, 70) may be deposited at the end portions of the spin valve structure in a generally coplanar relationship to promote domain stabilization but may also be separated therefrom by a relatively thin separation layer. The magnetic read track width of the device can be accurately and reproducibly determined by photolithographically defining the spacing between the permanent magnet layer portions (68, 70) overlying the active ferromagnetic layer (62).
摘要翻译：磁阻传感器及其制造方法包括自旋阀结构，其包括被钉扎的底部铁磁性层（58）和由薄的非磁性金属间隔层（60）分开的有源顶部铁磁层（62）。活性铁磁层（62）和下面的间隔层（60）形成为具有锥形相对侧的台面结构，以在薄膜制造工艺中促进更好的表面平坦化。可以在旋转阀结构的端部处以一般共面的关系沉积一对永磁体层部分（68,70），以促进区域稳定，但是也可以通过相对薄的分离层与其分开。可以通过光刻地限定覆盖有源铁磁层（62）的永磁体层部分（68,70）之间的间隔来精确地和再现地确定器件的磁读取磁道宽度。

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