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    Disk drive with oxygen diffusion unit
    212.
    发明授权
    Disk drive with oxygen diffusion unit 有权

    公开(公告)号：US10957363B1

    公开(公告)日：2021-03-23

    申请号：US16828016

    申请日：2020-03-24

    Applicant: Seagate Technology LLC

    Inventor： John L. Brand

    IPC: G11B33/14

    Abstract: A disk drive, has a housing structure enclosing a disk and at least one recording head. The drive includes a plurality of capsules each comprising oxygen gas enclosed within a membrane. An oxygen diffusion rate of the membrane is selected to release oxygen into the housing structure at a rate that compensates for oxygen depletion within the housing structure.

    Data mining systems
    215.
    发明授权
    Data mining systems 有权

    公开(公告)号：US10942937B2

    公开(公告)日：2021-03-09

    申请号：US15488188

    申请日：2017-04-14

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Bhupesh Pant ,  Christian B. Madsen

    IPC: G06F16/2458 ,  G06F16/22 ,  G06F16/245 ,  G06F16/2455 ,  G06F17/40

    Abstract: Systems and methods for improving data mining systems are described. In one embodiment, the systems and methods may include a storage drive and a hardware controller. In some embodiments, the hardware controller may be configured to detect a first event in the storage system, identify data associated with the first event, parse the data according to a logging protocol, and store the parsed data in a database.

    Mitigating data errors in a storage device
    216.
    发明授权
    Mitigating data errors in a storage device 有权

    公开(公告)号：US10942655B2

    公开(公告)日：2021-03-09

    申请号：US16505909

    申请日：2019-07-09

    Applicant: Seagate Technology LLC

    Inventor： Ludovic Danjean ,  Abdelhakim Alhussien ,  Sundararajan Sankaranarayanan ,  Erich Franz Haratsch

    IPC: G06F3/06

    Abstract: Systems and methods presented herein provide for mitigating errors in a storage device. In one embodiment, a storage system includes a storage device comprising a plurality of storage areas operable to store data, and a controller operable to evaluate operating conditions of the storage device, to perform a background scan on a first of the storage areas to characterize a read retention of the first storage area, and to adjust a read signal of the first storage area based on the characterized read retention and the operating conditions of the storage device.

    Phase locking multiple clocks of different frequencies
    218.
    发明授权
    Phase locking multiple clocks of different frequencies 有权

    公开(公告)号：US10936003B1

    公开(公告)日：2021-03-02

    申请号：US15803672

    申请日：2017-11-03

    Applicant: Seagate Technology LLC

    Inventor： Zheng Wu ,  Jason Bellorado ,  Marcus Marrow ,  Trung Thuc Nguyen ,  Wing Fai Hui ,  Kin Ming Chan

    IPC: G06F1/08 ,  G06F1/12 ,  H03L7/07 ,  H03L7/093 ,  H03L7/095

    Abstract: Systems and methods are disclosed for phase locking multiple clocks of different frequencies. In certain embodiments, an apparatus may be configured to downsample a first clock having a first frequency and a second clock having a second frequency into downsampled clocks having the same frequency. The apparatus may adjust a frequency of the second clock so that the downsampled clocks are phase aligned. The apparatus may reset counters of the divider circuits that perform the downsampling so align them to a counter for the first clock. A counter for the second clock may also be reset to align with the counter for the first clock. The synchronized clocks may be applied in data storage operations, such as self-servo writing operations, where the first clock may be a read clock and the second clock may be a write clock.

    Multi-tier detection and decoding in flash memories utilizing data from additional pages or wordlines
    219.
    发明授权
    Multi-tier detection and decoding in flash memories utilizing data from additional pages or wordlines 有权

    公开(公告)号：US10929221B2

    公开(公告)日：2021-02-23

    申请号：US15850948

    申请日：2017-12-21

    Applicant: Seagate Technology LLC

    Inventor： Erich F. Haratsch ,  AbdelHakim S. Alhussien

    IPC: G06F11/10 ,  G11C16/34 ,  G11C11/56

    Abstract: Methods, systems, and machine-readable storage medium for multi- tier data recovery utilizing a series of progressively more complex detection and decoding modes based on data from additional pages or wordlines. In one aspect, read data is obtained from at least one cell comprising a given page of a flash memory, and reliability values are generated for the cell from the read data. The reliability values are utilized to decode the read data for the given page. If the decoding of the read data fails, a series of successive decoding steps is performed, with each successive decoding step utilizing additional read data to generate reliability values for the decoding. In one example, reads of one or more additional pages in the same wordline are performed. In a second example, several read retries (soft reads) of the same wordline are performed. In a third example, one or more additional neighboring wordlines are read.

    Network topology modules
    220.
    发明授权
    Network topology modules 有权

    公开(公告)号：US10928601B2

    公开(公告)日：2021-02-23

    申请号：US15898913

    申请日：2018-02-19

    Applicant: Seagate Technology LLC

    Inventor： Richard C. A. Pitwon ,  Alexander C. Worrall

    IPC: G02B6/42 ,  G02B6/38 ,  H05K7/14 ,  G02B6/44 ,  H04B10/272 ,  H04L12/24

    Abstract: An apparatus and system that includes a plurality of data devices, a network module, and a chassis. The network module may include an interface defining couplings and channels extending between the couplings defining a network topology for interconnecting data devices. The chassis may be configured to receive data devices and the network module to operably couple the received data devices via the interconnect topology defined by the network module.

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