公开(公告)号：US11817119B2

公开(公告)日：2023-11-14

申请号：US17546855

申请日：2021-12-09

Applicant: Seagate Technology LLC

Inventor： Aidan Dominic Goggin ,  John Moloney ,  Reyad Mehfuz ,  Chuan Zhong ,  Christopher Neil Harvey

IPC: G11B5/105 ,  G11B5/48 ,  G11B13/08 ,  G11B5/60 ,  G11B5/00 ,  G11B11/105

CPC classification number: G11B13/08 ,  G11B5/4866 ,  G11B5/6088 ,  G11B11/105 ,  G11B2005/0021

Abstract: A recording head includes a channel waveguide that delivers light to a media-facing surface. A near-field transducer (NFT) is at an end of the channel waveguide and proximate to the media-facing surface. A laser including an active region has a longitudinal axis corresponding to a propagation direction of the channel waveguide. The active region includes a back facet and a front facet proximate the NFT. The front facet has a surface shape configured to suppress back reflection of the light.

公开(公告)号：US20230350588A1

公开(公告)日：2023-11-02

申请号：US17869238

申请日：2022-07-20

Applicant: Seagate Technology LLC

Inventor： Jon D. Trantham ,  Hemant Vitthalrao Mane ,  Kristofer Carlson Conklin ,  Manuel Alexander Offenberg ,  Steven Williams

IPC: G06F3/06

CPC classification number: G06F3/0626 ,  G06F3/0689 ,  G06F3/0655

Abstract: A data storage system for use in a high radiation environment includes an array of storage drives. Each storage drive includes a non-radiation-hardened drive controller, a non-radiation-hardened, non-volatile, storage medium, and a non-radiation-hardened volatile memory. The system includes a radiation-hardened storage controller coupled to the array. The radiation-hardened storage controller provides failure-resistant data redundancy among the storage drives of the array and provides host access to the array.

公开(公告)号：US11782717B2

公开(公告)日：2023-10-10

申请号：US17819605

申请日：2022-08-12

Applicant: Seagate Technology LLC

Inventor： Marc Tim Jones

IPC: G06F9/30 ,  G06F9/32 ,  G06F13/42 ,  G06F9/48

CPC classification number: G06F9/30145 ,  G06F9/321 ,  G06F9/4837 ,  G06F13/4221 ,  G06F2213/0026

Abstract: The technology disclosed herein pertains to a system and method for profiling performance of an embedded computation instruction set (CIS), the method including receiving a profiling component to a computational storage device (CSD), the profiling component being configured to measure one or more execution parameters of a computational instruction set (CIS), executing the CIS at a program slot in a computational storage processor of the CSD, monitoring the execution of the CIS to generate a log of the execution parameters of the CIS, and communicating the log to a host in response to receiving a get-log page command.

公开(公告)号：US11780048B2

公开(公告)日：2023-10-10

申请号：US16869233

申请日：2020-05-07

Applicant: Seagate Technology LLC

Inventor： Chea Phann ,  Ricky Ray Anderson ,  Kevin Lambert Mayer ,  Mihaela Ruxandra Baurceanu ,  Andrew David Habermas ,  Raymond Leroy Moudry ,  Joel William Hoehn

IPC: B24B37/005 ,  B24B37/12 ,  B24B53/017 ,  B24B37/04

CPC classification number: B24B37/12 ,  B24B37/005 ,  B24B37/04 ,  B24B53/017

Abstract: The present disclosure includes barrier devices for use in an apparatus used to form lapping plates. The barrier devices can contain liquid on the surface of the lapping plate platen. The present disclosure also involves related methods.

公开(公告)号：US11774366B2

公开(公告)日：2023-10-03

申请号：US16986108

申请日：2020-08-05

Applicant: Seagate Technology LLC

Inventor： Gemma Mendonsa ,  Eric K. Wadleigh ,  Vivek Krishnamurthy ,  Riyan A. Mendonsa ,  Martin G. Blaber ,  Krishnan Subramanian

IPC: C12Q1/6869 ,  G01N21/65 ,  C12N9/12 ,  G01N27/447 ,  B82Y30/00

CPC classification number: G01N21/658 ,  C12N9/1252 ,  C12Q1/6869 ,  G01N27/44786 ,  B82Y30/00

Abstract: A Surface-Enhanced Raman Spectroscopy (SERS) device to perform accurate label-free long-read DNA sequencing. A Raman sensor has a hot spot defined by plasmonic nanostructures and excited by at least one laser. An immobilized DNA polymerase can be used to pull a DNA template strand to be sequenced through the hot spot.

公开(公告)号：US11769525B1

公开(公告)日：2023-09-26

申请号：US17719663

申请日：2022-04-13

Applicant: Seagate Technology LLC

Inventor： Josiah Wernow ,  Evgeny Kharisov

IPC: G11B5/55

CPC classification number: G11B5/5547 ,  G11B5/5552 ,  G11B5/5565

Abstract: A method includes generating a first feedforward signal based, at least in part, on a sensor signal. The method further includes generating a second feedforward signal based, at least in part, on a feedforward seek table. A control signal is modified based, at least in part, on the first feedforward signal and the second feedforward signal. A position of an actuator is controlled in response to the modified control signal.

公开(公告)号：US11763847B1

公开(公告)日：2023-09-19

申请号：US17858277

申请日：2022-07-06

Applicant: Seagate Technology LLC

Inventor： David James Ellison ,  James D. Kiely ,  Neil Zuckerman ,  Edwin F. Rejda ,  Joseph Michael Stephan

IPC: G11B5/00 ,  G11B5/31 ,  G11B13/08

CPC classification number: G11B13/08 ,  G11B2005/0021

Abstract: The present disclosure relates to a recording head that includes a write pole extending to a media-facing surface of the recording head; a near-field transducer extending to a media-facing surface of the recording head; a trailing return pole positioned between the write pole and the trailing edge; and a recessed portion that is recessed relative to the media-facing surface by a distance when no power is applied to the recording head. The trailing return pole is located in the recessed portion. The present disclosure also includes relates methods of making and detecting contact between a recording head and recording medium.

公开(公告)号：US20230289095A1

公开(公告)日：2023-09-14

申请号：US17689386

申请日：2022-03-08

Applicant: Seagate Technology LLC

Inventor： RYAN P. McCALLISTER ,  Ara Patapoutian ,  Mark A. Gaertner ,  Ian Davies

IPC: G06F3/06 ,  H03M13/15

CPC classification number: G06F3/0659 ,  G06F3/0635 ,  G06F3/0619 ,  G06F3/0604 ,  G06F3/0689 ,  H03M13/1515

Abstract: A method includes receiving, by a data storage device, a read command. The method further includes reading a first set of outer code stored to a magnetic recording medium of the data storage device and storing the first set of outer code to memory. The method further includes receiving a write command to write data to the magnetic recording medium and writing a second set of outer code to the magnetic recording medium in connection with the write command.

公开(公告)号：US11754624B1

公开(公告)日：2023-09-12

申请号：US17679686

申请日：2022-02-24

Applicant: Seagate Technology LLC

Inventor： Bharat Londhe ,  Deep Neema ,  Komal Shah

IPC: G01R31/3177 ,  G01R31/3183 ,  G01R31/3185 ,  G01R31/3181 ,  G01R31/319

CPC classification number: G01R31/3177 ,  G01R31/3181 ,  G01R31/31921 ,  G01R31/318307 ,  G01R31/318335 ,  G01R31/318533 ,  G01R31/318544 ,  G01R31/318547

Abstract: A method includes injecting scan patterns into an input of a decompressor that distributes the scan patterns to a plurality of scan chains whose outputs are coupled to inputs of a compressor, which provides a compressed scan test result representing the plurality of scan chains. The method also includes, in response to the compressed scan test result being indicative of failure, identifying a particular scan chain of the plurality of scan chains that is responsible for the failure by a debug circuit that is coupled to the input of the decompressor and to a compressor output. The debug circuit enables an output of any single scan chain of the plurality of scan chains to be available at the compressor output while suppressing outputs of all other scan chains of the plurality of scan chains.

公开(公告)号：US11749300B2

公开(公告)日：2023-09-05

申请号：US16661564

申请日：2019-10-23

Applicant: Seagate Technology LLC

Inventor： Zubair Ahmed Khan ,  Dat Quach ,  Andrew Habermas ,  Joel William Hoehn

IPC: G11B5/31 ,  C09J175/04 ,  C09J133/10 ,  H01L21/683 ,  H01L21/304 ,  C09J7/38 ,  B24B37/04 ,  C09J175/08

CPC classification number: G11B5/3169 ,  B24B37/048 ,  C09J7/38 ,  C09J133/10 ,  C09J175/04 ,  H01L21/304 ,  H01L21/6836 ,  C08G2170/40 ,  C09J175/08 ,  C09J2203/326 ,  C09J2433/00 ,  C09J2475/00 ,  H01L2221/68327

Abstract: Described are methods for processing microelectronic device substrates by a lapping step, e.g., a final lapping step, wherein the step includes the use of an elastomeric pressure-sensitive adhesive to secure the microelectronic device substrate to a carrier that holds the substrate to a surface of the carrier during the lapping step, and wherein the pressure-sensitive adhesive can be a non-polysilicone based adhesive having mechanical properties that include a tan delta that is below about 0.2.