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公开(公告)号：US11875830B2
公开(公告)日：2024-01-16
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
CPC classification number: G11B5/6058 , G11B5/4833
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.
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公开(公告)号：US20230054813A1
公开(公告)日：2023-02-23
申请号：US17846231
申请日：2022-06-22
Applicant: Seagate Technology LLC
Inventor： Brett R. Herdendorf , Riyan Alex Mendonsa , Krishnan Subramanian , Shawn A. Ruden
Abstract: A system includes a library compartment, a player and a gas generator. The library compartment houses a plurality of data storage disks. The player is external to the library compartment and comprises a head that is configured to interact with at least one of the plurality of data storage disks. The gas generator is fluidly connected to the player. An embodiment includes a partition between the library compartment and player, the partition including a selectively openable interlock. In an embodiment, the player has a negative fluid pressure relative to the library compartment. A method of controlling an environment in a disk player is also described. The method includes detecting a composition of a fluid environment in the disk player and detecting a pressure of the fluid environment in the disk player.
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公开(公告)号：US20220319544A1
公开(公告)日：2022-10-06
申请号：US17223447
申请日：2021-04-06
Applicant: Seagate Technology LLC
Inventor： Krishnan Subramanian , Brett R. Herdendorf , Riyan Alex Mendonsa
IPC: G11B5/48
Abstract: A data storage device, and systems thereof, including an actuator arm extending along an actuator axis and one or more rails extending along a rail axis. The rail axis is at an angle to the actuator arm and the actuator arm is movably attached to the one or more rails such that the actuator arm is restricted to linear motion along the one or more rails. Further, the device includes a linear motor positioned adjacent to the actuator arm and adapted to move the actuator arm. In one or more embodiments, the device includes a first actuator arm and a second actuator arm having the distal ends of each connected with at least one head located proximate the connection point.
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公开(公告)号：US11449238B2
公开(公告)日：2022-09-20
申请号：US16948984
申请日：2020-10-08
Applicant: Seagate Technology LLC
Inventor： Riyan A. Mendonsa , Brett R. Herdendorf , Jon D. Trantham , Krishnan Subramanian , John E. Moon , Hemant Mane
Abstract: A data storage system can provide low cost and optimized performance with a cartridge housing multiple separate data storage devices and each of the data storage devices being concurrently engaged by a device player. The device player may have a processor configured to analyze mechanical performance of each data storage device and data performance of data resident in each data storage device.
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公开(公告)号：US20220173539A1
公开(公告)日：2022-06-02
申请号：US17108567
申请日：2020-12-01
Applicant: Seagate Technology LLC
Inventor： Brett R. Herdendorf , Riyan Alex Mendonsa , Wolfgang Rosner , Krishnan Subramanian
Abstract: Connector devices or connectors for use in interconnection to a circuit board may be configured in an open or closed configuration. The connectors devices may utilize a shape memory alloy (SMA) actuator to move clamping portions with respect to each other into one or both of the open or closed positions.
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Patent Agency Ranking
公开(公告)号：US11294593B2
公开(公告)日：2022-04-05
申请号：US17360760
申请日：2021-06-28
Applicant: Seagate Technology LLC
Inventor： Riyan Alex Mendonsa , Jon D Trantham , Peng Peng , Brett R. Herdendorf , Krishnan Subramanian
Abstract: A storage system includes a media player including a preamplifier that is adapted to provide data access to a storage cartridge lacking an independent read/write preamplifier. The media player couples to the storage cartridges across an interconnect, and the storage cartridge is adapted to perform data access operations responsive to signals received from the media player through the interconnect.
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公开(公告)号：US20210381125A1
公开(公告)日：2021-12-09
申请号：US17354360
申请日：2021-06-22
Applicant: Seagate Technology LLC
Inventor： Riyan A. Mendonsa , Martin G. Blaber , Brett R. Herdendorf , Kevin A. Gomez
IPC: C30B25/10 , C30B25/16 , C23C16/455
Abstract: A method for making a monocrystalline structure is disclosed. The method includes depositing a first volume of a material on a substrate to create a first crystal seed and depositing a second volume of the material towards the substrate to nucleate with the first crystal seed to create a first initial epitaxial structure.
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公开(公告)号：US11120834B1
公开(公告)日：2021-09-14
申请号：US17010289
申请日：2020-09-02
Applicant: Seagate Technology LLC
Inventor： Brett R. Herdendorf , Riyan A. Mendonsa , Wolfgang Rosner , Jonathan Lewis Kemnitz , Krishnan Subramanian , Kurt LeRoy Erickson
IPC: G11B21/24
Abstract: A data storage device includes a base, a shaft that extends perpendicular from the base, and a head stack assembly (HSA) having a first end to which a head is coupled and a second end that is movably mounted on the shaft. The data storage device also includes either a first actuator assembly or a second actuator assembly. The first actuator assembly includes a first coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second coil-permanent magnet assembly that serves as a first elevator to linearly move the HSA along the shaft. The second actuator assembly includes a third coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second elevator that linearly moves the HSA along the shaft and also moves a data storage device ramp in unison with the HSA.
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公开(公告)号：US20240005952A1
公开(公告)日：2024-01-04
申请号：US18212283
申请日：2023-06-21
Applicant: Seagate Technology LLC
Inventor： Riyan Alex Mendonsa , Krishnan Subramanian , Brett R. Herdendorf , Jon D. Trantham , Mehmet Fatih Erden
IPC: G11B5/48
CPC classification number: G11B5/4826
Abstract: A data storage apparatus includes a disk storage region in which magnetic disks are stored. A carrier mechanism picks up one or more of the magnetic disks and moves them to and from the disk storage region. A data access device of the apparatus includes a structure to receive the one or more magnetic disks from the carrier mechanism and spins the magnetic disks in place. One or more actuator arms are operable to move across a same surface of the one or more magnetic disks. Two or more read transducers are mounted to the actuator arms and operable to simultaneously read from the same surface of the one or more magnetic disks. Two or more write transducers are mounted to the actuator arms and operable to simultaneously write to the same surface of the one or more magnetic disks.
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公开(公告)号：US11842753B2
公开(公告)日：2023-12-12
申请号：US17846231
申请日：2022-06-22
Applicant: Seagate Technology LLC
Inventor： Brett R. Herdendorf , Riyan Alex Mendonsa , Krishnan Subramanian , Shawn A. Ruden
CPC classification number: G11B27/002 , G11B17/021 , G11B17/225
Abstract: A system includes a library compartment, a player and a gas generator. The library compartment houses a plurality of data storage disks. The player is external to the library compartment and comprises a head that is configured to interact with at least one of the plurality of data storage disks. The gas generator is fluidly connected to the player. An embodiment includes a partition between the library compartment and player, the partition including a selectively openable interlock. In an embodiment, the player has a negative fluid pressure relative to the library compartment. A method of controlling an environment in a disk player is also described. The method includes detecting a composition of a fluid environment in the disk player and detecting a pressure of the fluid environment in the disk player.
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