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公开(公告)号：US20220413138A1
公开(公告)日：2022-12-29
申请号：US17850226
申请日：2022-06-27
Applicant: Seagate Technology LLC
Inventor： Aditya Jain
Abstract: A light detection and ranging system can consist of a detector body constructed of Germanium and configured with a Mie resonance. A metal contact and metasurface can each be positioned atop the detector body with the metal contact preventing screening of light to the detector body. Impedance mismatch can be corrected to eliminate reflection from the metasurface.
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公开(公告)号：US20220413104A1
公开(公告)日：2022-12-29
申请号：US17851382
申请日：2022-06-28
Applicant: Seagate Technology LLC
Abstract: A light detection and ranging system can have an occlusion module connected to a light emitter and light detector with the light emitter and light detector each positioned behind a front glass. The occlusion module can be configured to generate an occlusion strategy in response to a real-time map of the front glass with the occlusion strategy populated with at least one operational alteration to correct for the presence of foreign matter indicated by the map of the front glass.
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公开(公告)号：US20220410113A1
公开(公告)日：2022-12-29
申请号：US17844278
申请日：2022-06-20
Applicant: Seagate Technology LLC
Inventor： Padmaja Kannan
Abstract: A data storage medium includes a substrate. The data storage medium also includes an antifreeze layer coated on at least one surface of the substrate. The data storage medium further includes multiple storage containers located on the substrate. The multiple storage containers store different combinations of plant-based molecules representing data.
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公开(公告)号：US11537463B1
公开(公告)日：2022-12-27
申请号：US17378177
申请日：2021-07-16
Applicant: Seagate Technology LLC
Inventor： Nilesh Govande , Rajesh Nambiar
Abstract: The technology disclosed herein pertains to a system for data integrity verification that is optimized at unit level. One or more implementations of such system include a method including identifying a first unit boundary in data block received from a client at an application layer, the unit boundary indicating end of a first unit of data, generating an intermediate checksum for the first unit of data at the application layer, receiving a second unit of data of the data block at the application layer, and generating a final checksum with an intermediate checksum as a basis and the second unit of data.
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公开(公告)号：US20220405003A1
公开(公告)日：2022-12-22
申请号：US17841083
申请日：2022-06-15
Applicant: Seagate Technology LLC
Inventor： Jon D. Trantham , Praveen Viraraghavan , John W. Dykes , Ian J. Gilbert , Sangita Shreedharan Kalarickal , Matthew J. Totin , Mohamad El-Batal , Darshana H. Mehta
IPC: G06F3/06
Abstract: Apparatus and method for managing data in a non-volatile memory (NVM) having an array of ferroelectric memory cells (FMEs). A data set received from an external client device is programmed to a group of the FMEs at a target location in the NVM using a selected profile. The selected profile provides different program characteristics, such as applied voltage magnitude and pulse duration, to achieve desired levels of power used during the program operation, endurance of the data set, and latency effects associated with a subsequent read operation to retrieve the data set. The profile may be selected from among a plurality of profiles for different operational conditions. The ferroelectric NVM may form a portion of a solid-state drive (SSD) storage device. Different types of FMEs may be utilized including ferroelectric tunneling junctions (FTJs), ferroelectric random access memory (FeRAM), and ferroelectric field effect transistors (FeFETs).
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Patent Agency Ranking
公开(公告)号：US20220404982A1
公开(公告)日：2022-12-22
申请号：US17844174
申请日：2022-06-20
Applicant: Seagate Technology LLC
Inventor： Jon D. Trantham , Praveen Viraraghavan , John W. Dykes , Ian J. Gilbert , Sangita Shreedharan Kalarickal , Matthew J. Totin , Mohamad El-Batal , Darshana H. Mehta
Abstract: A data storage system can employ a read destructive memory configured with multiple levels. A non-volatile memory unit can be programmed with a first logical state in response to a first write voltage of a first hysteresis loop by a write controller prior to being programmed to a second logical state in response to a second write voltage of the first hysteresis loop, as directed by the write controller. The first and second logical states may be present concurrently in the non-volatile memory unit and subsequently read concurrently as the first logical state and the second logical state.
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公开(公告)号：US11532327B2
公开(公告)日：2022-12-20
申请号：US16861027
申请日：2020-04-28
Applicant: Seagate Technology LLC
Inventor： Xiong Liu , Quan Li , Li Hong Zhang
Abstract: A storage device includes a controller that determines a degree of data degradation for a data track targeted by a pending read command and sets a head/media clearance parameter for execution of the read command based on the determined degree of data degradation for the data track, the head/media clearance parameter providing for a greater head-media separation when the determined level of degradation is lower than when the determined level of degradation is higher.
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公开(公告)号：US11522672B2
公开(公告)日：2022-12-06
申请号：US17164509
申请日：2021-02-01
Applicant: Seagate Technology LLC
Inventor： Vipin Singh Sehrawat , Foo Yee Yeo
Abstract: A homomorphic encryption system evaluates homomorphically encrypted data, including receiving ciphertext input homomorphically encrypted from a plaintext input using a set-system including sets having an intersection property. An arithmetic function is evaluated on the ciphertext input to generate a ciphertext output, the arithmetic function including one or more additive gates and one or more multiplicative gates, wherein the evaluating operation generates errors during evaluation of the arithmetic function and the intersection property of the sets cancel out the errors during the evaluating operation. The ciphertext output is transmitted for homomorphic decryption to generate a plaintext result.
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公开(公告)号：US11520696B2
公开(公告)日：2022-12-06
申请号：US16021166
申请日：2018-06-28
Applicant: Seagate Technology LLC
Inventor： Steven S. Williams , Kyumsung Lee , David W. Claude
Abstract: Apparatus and method for managing metadata in a data storage device, such as a solid-state drive (SSD). In some embodiments, a non-volatile memory (NVM) includes a population of semiconductor memory dies. The dies are connected a number of parallel channels such that less than all of the semiconductor dies are connected to each channel. A controller circuit apportions the semiconductor memory dies into a plurality of die sets, with each die set configured to store user data blocks associated with a different user. A separate set of map data is generated to describe user data blocks stored to each die set. The controller circuit stores the respective sets of map data in the associated die sets so that no die set stores map data associated with a different die set. The die sets may be arranged in accordance with the NVMe (Non-Volatile Memory Express) specification.
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公开(公告)号：US11515996B2
公开(公告)日：2022-11-29
申请号：US17164609
申请日：2021-02-01
Applicant: Seagate Technology LLC
Inventor： Vipin Singh Sehrawat , Foo Yee Yeo
Abstract: A homomorphic encryption system receives a ciphertext output of an arithmetic evaluation function. The arithmetic evaluation function is performed on a ciphertext input homomorphically encrypted from a plaintext input using a set-system including sets having an intersection property. The ciphertext output is decrypted using a summation of two or more noise-canceling party identifiers of two or more authorized parties, wherein the intersection property of the sets cancels out errors generated during the decrypting operation for the two or more authorized parties.
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