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公开(公告)号：US09912727B1
公开(公告)日：2018-03-06
申请号：US14733309
申请日：2015-06-08
Applicant: Seagate Technology LLC
Inventor： Nikita Danilov , Nathaniel Rutman
CPC classification number: H04L67/025 , G06F11/14 , H04L69/40
Abstract: In distributed state systems, server nodes can receive operation requests from multiple clients. When a server node executes an operation request, the server node can store an indicator of the operation request to a log of operations and send a reply message to the requesting client. The reply message can include a reply log having a list of N executed operation requests. If the server needs rebuilding, any operations not already stored to the server node log may be lost. The server can rebuild lost operations of a file system by receiving the reply logs or indicators of the operations therein from one or more clients.
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公开(公告)号：US09911446B1
公开(公告)日：2018-03-06
申请号：US15640924
申请日：2017-07-03
Applicant: Seagate Technology LLC
Inventor： Joachim Ahner , David M. Tung , Ganping Ju , Philip L. Steiner , Thomas P. Nolan , Thomas Y. Chang , Pin-Wei Huang , Kaizhong Gao , Timothy Klemmer , David S. Kuo
CPC classification number: G11B5/66 , G11B5/02 , G11B2005/0021 , G11B2005/0024
Abstract: A three dimensional magnetic recording media can consist of a coupling layer disposed between first and second vertically stacked recording layers. The coupling layer can provide exchange or antiferromagnetic coupling and allow the respective recording layers to be individually heat selected to different first and second coupling strengths through application of heat from a heat source.
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公开(公告)号：US09905273B2
公开(公告)日：2018-02-27
申请号：US15138280
申请日：2016-04-26
Applicant: Seagate Technology LLC
Inventor： Antanas Daugela , Neal F. Gunderson , Reed D. Hanson , Ricardo P. Freeman , Andrew R. Motzko , Erik J. Lindquist
CPC classification number: G11B33/08 , G11B5/4813 , G11B5/4833 , G11B5/4873 , G11B5/5582 , G11B5/59694 , G11B33/10
Abstract: An apparatus includes an actuator assembly, a dampening assembly coupled to the actuator assembly, and a vibration sensor assembly coupled to the dampening assembly and coupled to the actuator assembly by way of the dampening assembly. A method includes attaching a dampening assembly to an actuator assembly and attaching a vibration sensor assembly to the dampening assembly. The dampening assembly is positioned between the vibration sensor assembly and the actuator assembly.
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公开(公告)号：US09905259B2
公开(公告)日：2018-02-27
申请号：US14699412
申请日：2015-04-29
Applicant: Seagate Technology LLC
Inventor： Sundeep Chauhan , Alexander Kantorov , Kim Yang Lee , David Kuo , Rene Johannes Marinus Van de Veerdonk , Barmeshwar Vikaramaditya
CPC classification number: G11B5/865 , G03F7/0041 , G11B5/59638 , G11B5/746 , G11B5/855 , G11B11/03
Abstract: Provided herein is a method, including forming a first template including a first pattern, wherein forming the first template includes self-assembly of diblock copolymers guided by an initial pattern; forming a second template including a second pattern, wherein the second pattern corresponds to a servo pattern; and forming a master template from the first template, wherein the master template includes one or more portions of the first pattern combined with the second pattern.
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公开(公告)号：US09899043B2
公开(公告)日：2018-02-20
申请号：US15430584
申请日：2017-02-13
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Sethuraman Jayashankar , Hui Brickner
CPC classification number: G11B5/3163 , C23C14/04 , C23C14/06 , C23C14/0605 , C23C14/16 , C23C14/48 , G11B5/314 , G11B2005/0021
Abstract: A method of forming a near field transducer (NFT), the method including the steps of depositing a plasmonic material; depositing an encapsulant material on at least a portion of the plasmonic material; and implanting ions into at least a portion of the plasmonic material through the encapsulant material.
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Patent Agency Ranking
公开(公告)号：US20180049349A1
公开(公告)日：2018-02-15
申请号：US15295558
申请日：2016-10-17
Applicant: Seagate Technology LLC
Inventor： William Gunther Voss
CPC classification number: H05K7/20436 , G06F1/20 , H01L23/367 , H05K1/0203 , H05K1/144 , H05K7/20518
Abstract: An assembly includes a drive housing and a first printed circuit board (PCB) with at least one solid-state memory component, the first PCB having a first surface, where the first PCB is located within the drive housing. The assembly also includes a second PCB with at least one solid-state memory component, where the second PCB is operatively electronically coupled to the first PCB, the second PCB having a second surface, and where the second PCB is located within the drive housing. The assembly also includes a first thermal transfer element configured for partial thermal communication between the first PCB and the second PCB through the first and second surfaces, where the first thermal transfer element is shaped to include a partially thermally insulating air gap located between the first and the second PCB, and where the first thermal transfer element is in thermal communication with the drive housing.
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公开(公告)号：US09880926B1
公开(公告)日：2018-01-30
申请号：US13971601
申请日：2013-08-20
Applicant: Seagate Technology LLC
Inventor： Sumanth Jannyavula Venkata
CPC classification number: G06F12/0246 , G06F2212/1036 , G06F2212/7202 , G06F2212/7211
Abstract: A circuit may be configured to store data to a reserved zone of a non-volatile solid state memory (NVSSM) in a log structured manner and to use information stored in the reserved zone to restore data as needed. In some embodiments, a reserved area of a NVSSM may include die from one or more non-volatile memory modules, which can be divided into blocks and the blocks can be combined to form frames. In some examples, the frames may contain frame headers that can contain a unique identifier which can indicate which frame is to be used to restore data structures, such as during power up or for other restore events.
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公开(公告)号：US09880857B2
公开(公告)日：2018-01-30
申请号：US14956097
申请日：2015-12-01
Applicant: Seagate Technology LLC
Inventor： Jin Quan Shen , Yong Peng Chng , Choon Kiat Tan
CPC classification number: G06F9/4406 , G06F1/00 , G06F9/4418
Abstract: A method or system comprises reading content of a plurality of system files from storage media of a storage device, generating a master storage device system file, and storing the master storage device system file on the storage media at a master system file location. The location of the master system file is provided to boot firmware or hardware. As a result, when the system boots up, the master system file is read into a temporary cache.
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公开(公告)号：US09880602B2
公开(公告)日：2018-01-30
申请号：US14720503
申请日：2015-05-22
Applicant: Seagate Technology LLC
Inventor： Guy David Frick
CPC classification number: G06F1/28 , G06F1/3203 , G06F1/3221 , G06F1/3287 , G06F3/0604 , G06F3/0619 , G06F3/0625 , G06F3/0634 , G06F3/0635 , G06F3/0658 , G06F3/0659 , G06F3/0665 , G06F3/0685 , G06F3/0689 , G06F11/2015 , G06F11/2094 , G06F2201/805 , Y02B70/123 , Y02D10/154
Abstract: A mass data storage system includes a plurality of communicatively coupled storage drives powered by one or more power supplies. A power map defines the relationships between the storage drives and the power supplies and power rules/policies define the maximum permissible power load on each power supply at any point in time.
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公开(公告)号：US20180024942A1
公开(公告)日：2018-01-25
申请号：US15217863
申请日：2016-07-22
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Timothy Canepa , Ramdas Kachare
CPC classification number: H04L9/088 , H04L9/0897 , H04L9/3228
Abstract: Systems and methods for using encryption keys to manage data retention are described. In one embodiment, the systems and methods may include receiving data such as user data from a host of the storage drive, encrypting the data using an encryption key, writing the encrypted data to the storage drive, and retaining the encrypted data on the storage drive based at least in part on a validity of the encryption key.
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