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    LOAD/UNLOAD RAMPS WITH CHANNELS
    172.
    发明申请
    LOAD/UNLOAD RAMPS WITH CHANNELS 有权

    公开(公告)号：US20210295871A1

    公开(公告)日：2021-09-23

    申请号：US16826680

    申请日：2020-03-23

    Applicant: Seagate Technology LLC

    Inventor： YiChao Ma ,  Xiong Liu ,  Pow Hing Yong

    IPC: G11B23/03 ,  G11B5/55

    Abstract: A load/unload ramp includes a body with ramps, load/unload surfaces, and a vertical wall. The ramps include outer grooves positioned between the ramps. The load/unload surfaces extend from the respective ramps. The vertical wall includes channels extending through the vertical wall. In embodiments, the channels are positioned between the load/unload surfaces.

    Cooling station with integrated isolation valves
    173.
    发明授权
    Cooling station with integrated isolation valves 有权

    公开(公告)号：US11127606B1

    公开(公告)日：2021-09-21

    申请号：US16046051

    申请日：2018-07-26

    Applicant: Seagate Technology LLC

    Inventor： Samuel Lewis Tanaka

    IPC: H01L21/67 ,  C23C16/46 ,  H01L21/673 ,  C23C16/455

    Abstract: An apparatus comprises a chamber configured to receive a medium. The chamber comprises a first cooled structure having a first surface and a second cooled structure having a first surface. The first surface of the first cooled structure faces the first surface of the second cooled structure and is positioned a predetermined distance therefrom to form a gap, and the gap is configured to receive the medium. The chamber further includes a first gas inlet positioned proximate the center of the first cooled structure, a first slidable structure configured to seal a first side of the chamber when in a closed position, and a second slidable structure, positioned opposite the first slidable structure, and configured to seal a second side of the chamber when in a closed position.

    Thermal spot-dependent write method and apparatus for a heat-assisted magnetic storage device
    174.
    发明授权
    Thermal spot-dependent write method and apparatus for a heat-assisted magnetic storage device 有权

    公开(公告)号：US11127419B1

    公开(公告)日：2021-09-21

    申请号：US17141491

    申请日：2021-01-05

    Applicant: Seagate Technology LLC

    Inventor： Xiong Liu ,  Quan Li

    IPC: G11B5/00 ,  G11B7/0045 ,  G11B5/09 ,  G11B5/39 ,  G11B20/10

    Abstract: An apparatus comprises a write pole for writing data to a magnetic recording medium and a near-field transducer (NFT) optically coupled to a laser source and configured to produce a thermal spot on the medium. A laser driver applies laser operation power (Iop) to the laser source. A channel circuit generates symbols having a length of nT, where T is a channel clock rate and n is an integer. The laser driver applies Iop to the laser source and a write driver applies bi-directional write currents to the write pole to record the symbols at a location of the thermal spot on the medium, wherein a duration of applying Iop to the laser source by the laser driver is dependent on a length of the symbols and the effective thermal spot size.

    DATA STORAGE SYSTEM WITH ADAPTIVE CACHE MANAGEMENT
    175.
    发明申请
    DATA STORAGE SYSTEM WITH ADAPTIVE CACHE MANAGEMENT 有权

    公开(公告)号：US20210286552A1

    公开(公告)日：2021-09-16

    申请号：US16817819

    申请日：2020-03-13

    Applicant: Seagate Technology LLC

    Inventor： Jin Quan Shen ,  Xiong Liu ,  Brian T. Edgar ,  Jae Ik Song

    IPC: G06F3/06

    Abstract: A data storage system can connect a cache memory to a caching module, a host, and a data storage device. The caching module can employ one or more local controllers to generate a caching strategy in response to detected data storage operations and execute the caching strategy to divide the cache memory into a first pool having a first size and a second pool having a second size.

    Systems and methods for unlocking self-encrypting data storage devices
    176.
    发明授权
    Systems and methods for unlocking self-encrypting data storage devices 有权

    公开(公告)号：US11120151B1

    公开(公告)日：2021-09-14

    申请号：US15667533

    申请日：2017-08-02

    Applicant: Seagate Technology LLC

    Inventor： Christopher Nicholas Allo

    IPC: G06F21/62 ,  H04L29/06 ,  G06F21/78 ,  H04L9/08 ,  G06F21/80 ,  G06F12/14 ,  G06F3/06

    Abstract: Security of computers, data storage devices, and servers can be improved with a multiple key access system. In some embodiments, a local key management device can be a locally (or virtually) located data storage device such as a HDD or SDD. The key management device may be part of a computer or server system and can have a first secure area protected by a cryptographic module (e.g. hardware integrated circuit). The first secure area can store a key to access a second secure area, which may function as a local key management server (LKMS) and store access information to securely communicate with and unlock another data storage device coupled to the computer. For example, the LKMS may store an access key to provide the computer with access to another data storage device. Communications between the LKMS and the other data storage device may be encrypted using a communication key.

    Combining in-process reads to reduce die collisions
    179.
    发明授权
    Combining in-process reads to reduce die collisions 有权

    公开(公告)号：US11106390B1

    公开(公告)日：2021-08-31

    申请号：US15929308

    申请日：2020-04-24

    Applicant: Seagate Technology LLC

    Inventor： Ryan James Goss ,  Daniel John Benjamin ,  David W. Claude ,  Graham David Ferris ,  Ryan Charles Weidemann

    IPC: G06F3/06

    Abstract: Method and apparatus for managing data in a storage device, such as a solid-state drive (SSD). In some embodiments, a first read command from a command queue is forwarded to a non-volatile memory (NVM) to request retrieval of a first set of readback data. While the NVM initiates in-process execution of the first read command, an expanded read command is issued to the NVM. The expanded read command supercedes the first read command and requests an expanded set of readback data that includes the first set of readback data as well as a second set of readback data. The second set of readback data may be associated with a second read command in the command queue. The NVM transfers the expanded set of readback data to a read buffer responsive to the expanded read command. The first and second read commands may be client reads, background reads or both.

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