公开(公告)号：US11352528B1

公开(公告)日：2022-06-07

申请号：US16299604

申请日：2019-03-12

Applicant: Seagate Technology LLC

Inventor： PengBoon Khoo ,  Li Hong Zhang ,  Swee Chuan Gan ,  Xiong Liu

IPC: C09J9/02 ,  C09J11/04 ,  C09J133/08 ,  C09J133/10 ,  C09J163/00 ,  G11B33/02 ,  C09J183/04 ,  C08K3/04 ,  C09J7/22 ,  C09J7/40 ,  G11B7/24024

Abstract: Described are adhesive compositions that contain adhesive polymer and carbon nanotubes; devices (e.g., electronic devices and electronic device enclosures) and compositions that include one of these adhesive compositions; and uses of such adhesive compositions as part of an electronic device.

公开(公告)号：US20240265944A1

公开(公告)日：2024-08-08

申请号：US18407706

申请日：2024-01-09

Applicant: Seagate Technology LLC

Inventor： Li Hong Zhang ,  Felicisimo T. Marquez, JR. ,  Xiong Liu ,  Chee Kwong Cheng

IPC: G11B19/20

CPC classification number: G11B19/2009

Abstract: A hard disk drive includes at least one magnetic disk and a motor assembly. The motor assembly is configured to rotatably support the magnetic disk(s) and circumferentially rotate the magnetic disk(s) about an axis of rotation during operations of the hard disk drive. The motor assembly includes at least one rotational balancing spring pin. Each rotational balancing spring pin is configured to reduce a rotating unbalance of the motor assembly.

公开(公告)号：US20210034542A1

公开(公告)日：2021-02-04

申请号：US16528161

申请日：2019-07-31

Applicant: Seagate Technology LLC

Inventor： Xiong Liu ,  Li Hong Zhang

IPC: G06F12/10

Abstract: A data storage system includes a logical space having logical block addresses (LBAs) divided into non-overlapping LBA ranges, and a physical space having pairs of physical bands. The system also includes a map in which first successive alternate LBAs of each different one of the non-overlapping LBA ranges are mapped to successive adjacent physical blocks of a first physical band of each different pair of the pairs of physical bands, and second successive alternate LBAs of each different one of the non-overlapping LBA ranges are mapped to successive adjacent physical blocks of a second physical band of each different pair of the pairs of physical bands. A controller employs the map to concurrently read data from a first physical block of the first physical band of one pair of physical bands and from a first physical block of the second physical band of the same pair of physical bands.

公开(公告)号：US20200327911A1

公开(公告)日：2020-10-15

申请号：US16384198

申请日：2019-04-15

Applicant: Seagate Technology LLC

Inventor： Li Hong Zhang ,  Xiong Liu

IPC: G11B33/14 ,  G11B5/10 ,  G11B5/255 ,  C08L27/18 ,  C09D127/18 ,  G11B33/02

Abstract: A hard disk drive includes a cover coupled to a base deck to create an enclosure. The hard disk drive further includes data-recording components and non-data-recording components positioned within the enclosure. At least one of the non-data-recording components includes a surface with a surface treatment that promotes condensation of water vapor.

公开(公告)号：US10747503B2

公开(公告)日：2020-08-18

申请号：US16589660

申请日：2019-10-01

Applicant: Seagate Technology LLC

Inventor： Li Hong Zhang ,  WenXiang Xie ,  Xiong Liu

IPC: G06F7/58 ,  G11B7/13

Abstract: A method includes detecting noise in a laser output of a heat assisted magnetic recording device. The noise is converted into an electrical signal including a numerical value. A least significant digit of the numerical value is selected. The least significant digit is concatenated with another least significant digit from another detecting of another noise in another laser output to form a number.

公开(公告)号：US20240327694A1

公开(公告)日：2024-10-03

申请号：US18616486

申请日：2024-03-26

Applicant: Seagate Technology LLC

Inventor： Li Hong Zhang ,  Barish Chakravarty ,  Xiong Liu ,  Swee Chuan Gan

IPC: C09K5/10 ,  H05K7/20

CPC classification number: C09K5/10 ,  H05K7/20236 ,  H05K7/20818

Abstract: The present disclosure includes methods of making a heat-transfer liquid solution by combining a heat-transfer liquid with a solute component to form a heat-transfer liquid solution, and related heat-transfer liquid solutions and methods of using.

公开(公告)号：US11257520B1

公开(公告)日：2022-02-22

申请号：US17090684

申请日：2020-11-05

Applicant: Seagate Technology LLC

Inventor： Xiong Liu ,  Li Hong Zhang

IPC: G11B19/20 ,  G11B33/12 ,  G11B19/28

Abstract: A data storage rack may only have a subset of the HDDs therein operating in an active mode where read/write operations may be performed. Other HDDs may operate in an idle mode, which is a power-saving state that permits the HDDs to quickly change-over to the active mode, when needed. In storage racks containing numerous HDDs, a majority of the HDDs may be operated at idle mode for a majority of the time. Where a large number of HDDs are operated at idle mode, a fixed common idle speed shared by the numerous HDDs can cause unwanted excitation, vibration, and resonance. This can yield increased wear on rack components, decreased performance from the HDDs therein, and increased noise. Variable HDD idle spindle speeds mitigate the foregoing, which is caused by an idle spindle speed previously common to many, if not all HDDs within the data storage rack.

公开(公告)号：US11119937B2

公开(公告)日：2021-09-14

申请号：US16528161

申请日：2019-07-31

Applicant: Seagate Technology LLC

Inventor： Xiong Liu ,  Li Hong Zhang

IPC: G06F12/10

Abstract: A data storage system includes a logical space having logical block addresses (LBAs) divided into non-overlapping LBA ranges, and a physical space having pairs of physical bands. The system also includes a map in which first successive alternate LBAs of each different one of the non-overlapping LBA ranges are mapped to successive adjacent physical blocks of a first physical band of each different pair of the pairs of physical bands, and second successive alternate LBAs of each different one of the non-overlapping LBA ranges are mapped to successive adjacent physical blocks of a second physical band of each different pair of the pairs of physical bands. A controller employs the map to concurrently read data from a first physical block of the first physical band of one pair of physical bands and from a first physical block of the second physical band of the same pair of physical bands.

公开(公告)号：US20190341080A1

公开(公告)日：2019-11-07

申请号：US15970758

申请日：2018-05-03

Applicant: Seagate Technology LLC

Inventor： Christopher M. Woldemar ,  YiChao Ma ,  Xiong Liu ,  Li Hong Zhang

IPC: G11B33/14 ,  G11B33/12 ,  G11B33/02

Abstract: A storage container includes a base housing member coupled to an inner cover and including an inner cavity. The storage container further includes an outer cover coupled to the base housing member and covering the inner cover. A rack assembly includes a plurality of storage devices and is mounted within the inner cavity.

公开(公告)号：US20180005658A1

公开(公告)日：2018-01-04

申请号：US15197913

申请日：2016-06-30

Applicant: Seagate Technology LLC

Inventor： Li Hong Zhang ,  Xiong Liu ,  Swee Chuan Gan

IPC: G11B5/725 ,  G11B5/84 ,  G11B5/00

Abstract: An anti-reflection storage medium. The anti-reflection storage medium includes a storage layer and a protective overcoat disposed over the storage later. The protective overcoat has a first refractive index value that is matched to a second refractive index value of the storage layer to reduce reflection of incident light applied to the storage medium when data is written to the storage layer of the storage medium.