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1. 发明申请

WO2021019271A1 HOST POWER DELIVERY FROM DUAL PORT PERIPHERAL DEVICE 审中-公开
公开(公告)号：WO2021019271A1
公开(公告)日：2021-02-04
申请号：PCT/IB2019/000911
申请日：2019-07-31
申请人： SEAGATE TECHNOLOGY SAS
发明人： BISSON, Jean-Luc , PLANTROU, Gaspard , DRAGOMIR, Alexandra-Elena , SALES, Alain , SEVAMY, Sylvain
IPC分类号： G06F1/26
摘要： Apparatus and method for distributing power to a host computer (112). A first serial cable (145) establishes a first data link (146) and a first power transfer link (148) between a first serial port of a peripheral device (110) and the host computer. A second serial cable establishes a second data link (146) and a second power transfer link (148) between a second port of the peripheral device and an external power supply unit (PSU). A peripheral controller circuit (114) detects available power from the external PSU at a level suitable for use by the host device, notifies the host computer of the available power from the external PSU, and interconnects the first and second serial ports to flow the available power to the host device via the first and second power transfer links. The peripheral device may take the form of a solid-state drive (SSD) (110) with a non-volatile memory (118), such as flash memory.

2. 发明申请

WO2020092809A1 MONITORING DEVICE COMPONENTS USING DISTRIBUTED LEDGER 审中-公开
公开(公告)号：WO2020092809A1
公开(公告)日：2020-05-07
申请号：PCT/US2019/059219
申请日：2019-10-31
申请人： SEAGATE TECHNOLOGY LLC
发明人： COURTNEY, Timothy J. , KAISER, David R. , DURAN, Anthony R.
IPC分类号： G06F21/57 , H04L9/32
摘要： The technology disclosed herein provides a method to control the resources used in a device. An implementation of such a method includes generating a device configuration ledger block based on initial assembly of components of a storage device, storing the device configuration ledger block on a node of a distributed ledger, detecting an activation of the device; in response to detecting the activation of the device, generating a current distributed ledger block based on current assembly of components of the storage device, comparing the current distributed ledger block with the device configuration ledger block, and in response to determining that the current distributed ledger block does not match with the device configuration ledger block disabling the operation of the device.

3. 发明申请

WO2016187379A1 PROCEDURE FOR SETTING LASER AND HEATER POWER IN HAMR DEVICE 审中-公开
标题翻译：在HAMR设备中设置激光和加热器功率的步骤
公开(公告)号：WO2016187379A1
公开(公告)日：2016-11-24
申请号：PCT/US2016/033188
申请日：2016-05-19
申请人： SEAGATE TECHNOLOGY LLC , TDK CORPORATION
发明人： RAUSCH, Tim , SHIMIZU, Tatsuya , LAI, Wai Yeon , CHEUNG, Kai Chiu
IPC分类号： G11B5/31 , G11B5/02 , G11B5/48 , G11B5/00
CPC分类号： G11B5/607 , G11B5/6088 , G11B2005/0021
摘要： A heater power of a heat-assisted magnetic recording head is set to an initial power to induce an initial head-medium clearance. For a plurality of iterations, a heater power at an optimum laser power is determined that achieve a target clearance. If differences in the heater power and optimum laser power between the two subsequent iterations are below a threshold, the iterations are stopped and the heater power and the optimum laser power for one of the two subsequent iterations is used as an operational heater power and laser power for the heat-assisted magnetic recording head.
摘要翻译：将热辅助磁记录头的加热器功率设定为初始功率以引起初始头 - 介质间隙。对于多次迭代，确定达到目标间隙的最佳激光功率的加热器功率。如果两个后续迭代之间的加热器功率和最佳激光功率的差异低于阈值，则停止迭代，并且将两个后续迭代之一的加热器功率和最佳激光功率用作操作加热器功率和激光功率用于热辅助磁记录头。

4. 发明申请

WO2016130611A1 HEAT-ASSISTED MAGNETIC RECORDING HEAD-DISK CLEARANCE SETTING 审中-公开
标题翻译：热辅助记录头盘清洁设置
公开(公告)号：WO2016130611A1
公开(公告)日：2016-08-18
申请号：PCT/US2016/017241
申请日：2016-02-10
申请人： SEAGATE TECHNOLOGY LLC
发明人： LOU, Huazhou , RIDDERING, Jason
IPC分类号： G11B13/08 , G11B5/31 , G11B5/60
CPC分类号： G11B5/607 , G11B5/6029 , G11B5/6076 , G11B5/6088 , G11B2005/0021
摘要： A magnetic recording head comprises a transducer, a heater, a writer and a laser. The transducer is configured to write to a magnetic recording medium during a write operation. The heater, writer and laser are configured to affect a protrusion of the transducer. The heater is calibrated to produce a pre -write heater power to obtain a target pre -write clearance for a write operation through use of a clearance-heater power curve. The curve is generated by measuring a clearance between the transducer and the medium as the heater is cycled from zero to a contact power.
摘要翻译：磁记录头包括换能器，加热器，写入器和激光器。传感器配置为在写入操作期间写入磁记录介质。加热器，写入器和激光器被配置成影响换能器的突起。加热器被校准以产生预写加热器功率，以通过使用间隙加热器功率曲线来获得用于写入操作的目标预写间隙。当加热器从零循环到接触功率时，通过测量换能器和介质之间的间隙来产生曲线。

5. 发明申请

WO2016085845A1 INTERLACED MAGNETIC RECORDING IN HAMR DEVICES 审中-公开
标题翻译： HAMR设备中的互相磁记录
公开(公告)号：WO2016085845A1
公开(公告)日：2016-06-02
申请号：PCT/US2015/062124
申请日：2015-11-23
申请人： SEAGATE TECHNOLOGY LLC
发明人： GAO, Kaizhong , ZHU, Wenzhong , GAGE, Edward
IPC分类号： G11B5/02
CPC分类号： G11B5/09 , G11B5/012 , G11B5/59633 , G11B5/59638 , G11B5/6088 , G11B11/10506 , G11B11/10515 , G11B11/10521 , G11B11/10595 , G11B20/12 , G11B20/1217 , G11B20/1833 , G11B20/1889 , G11B27/3027 , G11B2005/0021 , G11B2020/1222 , G11B2020/1232 , G11B2020/1238 , G11B2020/1292
摘要： A storage device includes a controller that implements an interlaced magnetic recording scheme with prioritized random access. According to one implementation, a controller is configured to write data at a first linear density to alternating data tracks and write data at a second linear density to one or more data tracks interlaced with the alternating data tracks.
摘要翻译：存储设备包括实现具有优先随机访问的隔行磁记录方案的控制器。根据一个实施方案，控制器被配置为以第一线性密度将数据写入交替数据轨道，并以第二线性密度将数据写入与交替数据轨道交错的一个或多个数据磁道。

6. 发明申请

WO2015172352A1 STORAGE DEVICE TAMPERING DETECTION 审中-公开
标题翻译：存储设备篡改检测
公开(公告)号：WO2015172352A1
公开(公告)日：2015-11-19
申请号：PCT/CN2014/077552
申请日：2014-05-15
申请人： SEAGATE TECHNOLOGY LLC , LIU, Hong , KATARIA, Abhay , CHEN, Chao , FENG, WeiWei , FOREHAND, Monty , ANDERSON, William Erik
发明人： LIU, Hong , KATARIA, Abhay , CHEN, Chao , FENG, WeiWei , FOREHAND, Monty , ANDERSON, William Erik
IPC分类号： G06F21/00
CPC分类号： G06F21/73 , G06F21/57 , G06F21/78 , G06F21/79 , G06F21/80 , G06F21/86
摘要： Apparatus (400, 500) and method (200, 220, 240, 260, 280, 300) for detecting unauthorized tampering with a data storage device (100, 110, 140, 520). In some embodiments,the data storage device has a housing (112, 142) and a memory (192) supported by the housing. A first identifier value (202A, 222A, 242A, 262A, 282A, 306A) is stored on an external surface of the housing and a second identifier value (202B, 222B, 242B, 262B, 282B, 306B) is stored within the memory. A digital signature (210, 256, 296) generated in response to the first and second identifier values and in response to a private key (208, 254, 288) is stored on the storage device. Thereafter, the first identifier value is retrieved from the external surface of the housing and the second identifier value is retrieved from the memory. The storage device is authenticated using the retrieved first and second identifier values, the digital signature and a public key (228, 274, 312).
摘要翻译：用于检测未经授权篡改数据存储设备（100,110,140,520）的装置（400,500）和方法（200,220,240,260,280,300）。在一些实施例中，数据存储设备具有由壳体支撑的壳体（112,142）和存储器（192）。第一标识符值（202A，222A，242A，262A，282A，306A）被存储在外壳的外表面上，并且第二标识符值（202B，222B，242B，262B，282B，306B）被存储在存储器内。响应于第一和第二标识符值以及响应于私钥（208,254,288）生成的数字签名（210,256,296）被存储在存储设备上。此后，从壳体的外表面检索第一标识符值，并从存储器检索第二标识符值。存储设备使用检索的第一和第二标识符值，数字签名和公共密钥（228,274,312）进行认证。

7. 发明申请

WO2015161125A1 APPARATUS AND METHODS FOR ALIGNED SERVO-RELATED FEATURES 审中-公开
标题翻译：对准伺服相关特征的装置和方法
公开(公告)号：WO2015161125A1
公开(公告)日：2015-10-22
申请号：PCT/US2015/026248
申请日：2015-04-16
申请人： SEAGATE TECHNOLOGY LLC
发明人： XIAO, Shuaigang , KUO, David S. , YANG, XiaoMin , LEE, Kim Y. , HSU, Yautzong , WAGO, Koichi
IPC分类号： G11B5/596 , G11B5/84
CPC分类号： G11B5/746 , G11B5/59655
摘要： Provided herein is an apparatus, including a first region of a substrate corresponding to a data region in a patterned recording medium; a first set of protrusions etched out of the first region of the substrate, wherein the protrusions of the first set of protrusions are rectangle shaped; a second region of the substrate corresponding to a servo region in a patterned recording medium; and a second set of protrusions etched out of the second region of the substrate, wherein the second set of protrusions includes radial lines etched into the substrate across chevrons etched out of the substrate.
摘要翻译：本文提供了一种装置，包括对应于图案化记录介质中的数据区的基板的第一区域; 从所述基板的第一区域蚀刻出的第一组突起，其中所述第一组突起的突起是矩形的; 所述衬底的第二区域对应于图案化记录介质中的伺服区域; 以及从衬底的第二区域蚀刻出的第二组突起，其中所述第二组突起包括在从所述衬底蚀刻出的人字形上蚀刻到所述衬底中的径向线。

8. 发明申请

WO2015108528A1 ETCHING SOURCE INSTALLABLE IN A STORAGE MEDIUM PROCESSING TOOL 审中-公开
标题翻译：在存储介质加工工具中安装的蚀刻源
公开(公告)号：WO2015108528A1
公开(公告)日：2015-07-23
申请号：PCT/US2014/011981
申请日：2014-01-17
申请人： SEAGATE TECHNOLOGY LLC
发明人： TANAKA, Samuel, Lewis , GREENBERG, Thomas, Larson
IPC分类号： C23C14/34
CPC分类号： C23C14/34 , C23C14/022 , C23C14/56 , H01J37/32009 , H01J37/3244 , H01J37/32532 , H01J37/32862 , H01J37/32889 , H01J37/34 , H01J2237/334
摘要： A plasma etching source (122) installable into at least one of multiple compartments (102, 104, 106, 108, 110) of a sputter deposition tool (100). The plasma etching source (122) includes a first mounting plate (302) and at least one electrode plate (304) coupled to the first mounting plate (302). A gas inlet (308) is included in the first mounting plate (302) of the plasma etching source (122).
摘要翻译：等离子体蚀刻源（122），其可安装到溅射沉积工具（100）的多个隔室（102,104,106,108,110）中的至少一个中。等离子体蚀刻源（122）包括第一安装板（302）和耦合到第一安装板（302）的至少一个电极板（304）。气体入口（308）包括在等离子体蚀刻源（122）的第一安装板（302）中。

9. 发明申请

WO2015095850A1 METHOD TO DISTRIBUTE USER DATA AND ERROR CORRECTION DATA OVER DIFFERENT PAGE TYPES BY LEVERAGING ERROR RATE VARIATIONS 审中-公开
标题翻译：通过提高错误率变化分配不同页面类型的用户数据和错误校正数据的方法
公开(公告)号：WO2015095850A1
公开(公告)日：2015-06-25
申请号：PCT/US2014/071760
申请日：2014-12-20
申请人： SEAGATE TECHNOLOGY LLC
发明人： CAI, Yu , CHEN, Ning , WU, Yunxiang , HARATSCH, Erich F. , COHEN, Earl T. , CANEPA, Timothy L.
IPC分类号： G11C29/42
CPC分类号： G06F11/108 , G06F11/1048 , G06F11/1068 , G06F11/1072
摘要： An apparatus includes a memory and a controller. The memory includes a plurality of memory devices. Each memory device has a plurality of page types. The plurality of page types are classified based on error rate variations. The controller may be configured to write user data and error-correction data to the memory. The user data and the error-correction data are organized as a super-page. The super-page includes a plurality of sub-pages. The plurality of sub-pages are written across the plurality of memory devices such that the plurality of sub-pages are stored using more than one of the plurality of page types.
摘要翻译：一种装置包括存储器和控制器。存储器包括多个存储器件。每个存储器设备具有多个页面类型。基于错误率变化来分类多个页面类型。控制器可以被配置为将用户数据和纠错数据写入存储器。用户数据和纠错数据被组织为超级页面。超级页面包括多个子页面。多个子页面被跨越多个存储器件写入，使得使用多个页面类型中的多个页面类型存储多个子页面。

10. 发明申请

WO2015035343A1 ELECTRONIC DEVICE DATA DISTRIBUTION 审中-公开
标题翻译：电子设备数据分配
公开(公告)号：WO2015035343A1
公开(公告)日：2015-03-12
申请号：PCT/US2014/054624
申请日：2014-09-08
申请人： LYVE MINDS, INC. , SEAGATE TECHNOLOGY LLC
发明人： CRISWELL, Jon , LIANG, Jian , CHING, Rex Yik, Chun , DYKES, James, Edward
IPC分类号： G06F12/08
CPC分类号： G06F12/0868 , G06F1/3268 , G06F12/0246 , G06F12/0866 , G06F12/0888 , G06F12/12 , G06F12/122 , G06F2212/217 , G06F2212/222 , Y02D10/13
摘要： A non-transitory computer-readable storage medium may include instructions that cause a system to perform operations, the operations may include receiving an operation associated with data and managing storage of the data on a first storage medium of an electronic device and in a cache on a second storage medium of the electronic device based on the operation and a cache policy. The cache policy may be based on one or more characteristics of the data that include a duration since a previous access of the data.
摘要翻译：非暂时的计算机可读存储介质可以包括使系统执行操作的指令，操作可以包括接收与数据相关联的操作并且管理数据在电子设备的第一存储介质上的存储以及缓存中的高速缓存基于操作的电子设备的第二存储介质和高速缓存策略。高速缓存策略可以基于数据的一个或多个特征，其包括自从先前访问数据以来的持续时间。

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