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    Selective screen electroplating
    21.
    发明授权
    Selective screen electroplating 有权

    公开(公告)号：US12116689B2

    公开(公告)日：2024-10-15

    申请号：US17158962

    申请日：2021-01-26

    Applicant: Seagate Technology LLC

    Inventor： Riyan Alex Mendonsa ,  Brett R. Herdendorf ,  Paul S. Tyler

    IPC: C25D5/02 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00 ,  C25D17/10 ,  C25D21/12

    CPC classification number: C25D5/02 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00 ,  C25D17/10 ,  C25D21/12

    Abstract: The slow speed of conventional selective electroplating and L-PED (and further requirement of a series of masks in the case of selective electroplating) necessary to generate a metallic three-dimensional object makes conventional selective electroplating and L-PED not viable for mass manufacturing metallic three-dimensional objects. The presently disclosed technology generally utilizes electroplating and L-PED technologies with a screen electroplating process. The screen electroplating process disclosed herein is capable of achieving a faster throughput and a lower workpiece temperature than traditional 3D printing processes can provide, particularly traditional metal 3D printing processes. As a result, the presently disclosed screen electroplating process is able to achieve much faster results in printing a complex three-dimensional metallic structure using electroplating.

    DNA backbone editing for DNA data storage
    23.
    发明授权
    DNA backbone editing for DNA data storage 有权

    公开(公告)号：US11990184B2

    公开(公告)日：2024-05-21

    申请号：US17031664

    申请日：2020-09-24

    Applicant: Seagate Technology LLC

    Inventor： Gemma Mendonsa ,  Riyan Alex Mendonsa ,  Tim Rausch

    IPC: C12P19/34 ,  G11C13/02

    CPC classification number: G11C13/02 ,  C12P19/34

    Abstract: Methods of writing data to a DNA strand by inserting data-encoding oligos or symbols into a DNA backbone. One particular method of synthesizing a DNA strand encoding data includes cleaving a DNA backbone into multiple segments, and pasting a plurality of data-encoding oligo symbols between the multiple segments, with the terminal ends of the segments joining homologous terminal ends of the symbols, resulting in the DNA strand encoding data comprising alternating segments and symbols.

    MOVABLE MAGNETIC PARTICLE MEMORY DEVICE
    24.
    发明公开
    MOVABLE MAGNETIC PARTICLE MEMORY DEVICE 审中-公开

    公开(公告)号：US20240112711A1

    公开(公告)日：2024-04-04

    申请号：US17937620

    申请日：2022-10-03

    Applicant: Seagate Technology LLC

    Inventor： Riyan Alex Mendonsa ,  Brett R. Herdendorf ,  Jon D. Trantham

    IPC: G11C11/16

    CPC classification number: G11C11/161 ,  G11C11/1673 ,  G11C11/1675

    Abstract: A data storage apparatus is presented that includes a well structure comprising a suspension medium, and a magnetic particle disposed in at least a portion of the well structure. A control system is configured to represent a data state corresponding to a positioning of the magnetic particle within the well structure, the magnetic particle moved responsive to an applied field and a present material state of the well structure. Various addressable arrays of well structures and associated control elements can be established to form data storage devices.

    ADJUSTING HGA Z-HEIGHT VIA HSA ELEVATOR USING HEAD/ACTUATOR FEEDBACK
    27.
    发明申请
    ADJUSTING HGA Z-HEIGHT VIA HSA ELEVATOR USING HEAD/ACTUATOR FEEDBACK 有权

    公开(公告)号：US20220254372A1

    公开(公告)日：2022-08-11

    申请号：US17728415

    申请日：2022-04-25

    Applicant: Seagate Technology LLC

    Inventor： Matthew Aaron Carper ,  Anil J. Reddy ,  Brett R. Herdendorf ,  Riyan Alex Mendonsa

    IPC: G11B5/60

    Abstract: A data storage device (DSD) includes a base-deck, a disc above the base-deck, and a shaft extending perpendicular from the base-deck. The DSD also includes a head stack assembly (HSA) including a head gimbal assembly having a load beam and a head at a first end of the HSA. The head interacts with a surface of the disc. The HSA also includes a second end movably mounted on the shaft. The DSD additionally includes an elevator that linearly moves the HSA along the shaft to adjust a distance between the load beam and the surface of the disc in response to receiving a feedback signal associated with the interaction of the head with the surface of the disc. The feedback signal is one of a plurality of feedback signals employed by the elevator to adjust the distance between the load beam and the surface of the disc.

    Brake crawler for elevator-type hard disk drives
    29.
    发明授权
    Brake crawler for elevator-type hard disk drives 有权

    公开(公告)号：US11176963B1

    公开(公告)日：2021-11-16

    申请号：US17016326

    申请日：2020-09-09

    Applicant: Seagate Technology LLC

    Inventor： Brett R. Herdendorf ,  Riyan Alex Mendonsa ,  Krishnan Subramanian ,  Wolfgang Rosner

    IPC: G11B5/54 ,  G11B5/48 ,  G11B5/55 ,  G11B21/22 ,  G11B17/02

    Abstract: A brake crawler for an elevator-type hard disk drive generally includes a first and second set of clamp arms vertically arranged, each of the first and second sets of clamp arms being capable of exerting a clamping force on a shaft or slider via activation or deactivation of an actuator element associated with each set of clamp arms. The brake crawler further includes an actuator element disposed between the first and second set of clamp arms which allows for movement of the first set of clamp arms away from the second set of clamp arms upon a change in state of the actuator element. Via a specific sequence of activating and deactivating various of the actuator elements associated with the brake crawler, the brake crawler is capable of inch worm-type movement up and down the shaft.

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