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公开(公告)号：US11646057B2
公开(公告)日：2023-05-09
申请号：US17409927
申请日：2021-08-24
CPC分类号： G11B5/6029 , G11B5/5565 , G11B5/59622 , G11B5/607 , G11B20/10518 , G11B20/1258
摘要： Two or more data values are received from one or more sensors of a hard disk drive. The two or more data values are indicative of a fly height of a recording head of the hard disk drive. The two or more data values are input into a machine-learning processor during operation of the hard disk drive. A fly height of the recording head during the operation of the hard drive head is adjusted based on an output of the machine learning processor.
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公开(公告)号：US11645393B2
公开(公告)日：2023-05-09
申请号：US16946478
申请日：2020-06-24
CPC分类号： G06F21/575 , G06F3/0622 , G06F3/0632 , G06F3/0658 , G06F3/0673 , G06F21/54 , G06F21/554 , G06F21/78
摘要： A data storage device can employ a front end bus for boot operations. The physical connection of a secure boot assembly to the front end bus can provide efficient and reliable booting of the data storage device without a connection to a remote host or network. A secure boot assembly can provide a security module that connects to the boot module of the data storage device to authenticate a trustworthiness of the data storage device while the data storage device is disconnected from any remote host.
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公开(公告)号：US11644435B2
公开(公告)日：2023-05-09
申请号：US16845565
申请日：2020-04-10
发明人： ShuaiGang Xiao , David S. Kuo , Xiaomin Yang , Kim Yang Lee , Yautzong Hsu , Michael R. Feldbaum
IPC分类号： G01R27/08 , G01N27/327 , G01N33/487 , C12Q1/6869 , C23C14/00 , B01L3/00 , G01N27/414 , G01N27/447 , B82Y5/00
CPC分类号： G01N27/3278 , B01L3/502707 , B01L3/502715 , B01L3/502761 , C12Q1/6869 , C23C14/00 , G01N27/4145 , G01N27/4146 , G01N27/44791 , G01N33/48721 , B81C2201/0143 , B81C2201/0176 , B81C2201/0181 , B82Y5/00
摘要： A DNA sequencing device and methods of making. The device includes a pair of electrodes having a spacing of no greater than about 2 nm, the electrodes being exposed within a nanopore to measure a DNA strand passing through the nanopore. The device can be made by depositing a conductive layer over a sacrificial channel and then removing the sacrificial channel to form the electrode gap.
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公开(公告)号：US11630779B2
公开(公告)日：2023-04-18
申请号：US17528977
申请日：2021-11-17
IPC分类号： G06F12/0873 , G06F12/128 , G06F12/02
摘要： A hybrid storage device with three-level memory mapping is provided. An illustrative device comprises a primary storage device comprising a plurality of primary sub-blocks; a cache memory device comprising a plurality of cache sub-blocks implemented as a cache for the primary storage device; and a controller configured to map at least one portion of one or more primary sub-blocks of the primary storage device stored in the cache to a physical location in the cache memory device using at least one table identifying portions of the primary storage device that are cached in one or more of the cache sub-blocks of the cache memory device, wherein a size of the at least one table is independent of a capacity of the primary storage device.
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公开(公告)号：US11621857B2
公开(公告)日：2023-04-04
申请号：US17011180
申请日：2020-09-03
发明人： Dieter P. Schnabel , Francois Xavier Hannedouche , Nicholas James Dance , Ujjwal Lanjewar , John Anthony Fletcher
摘要： A method includes importing an object into a first data storage device, obtaining static metadata relating to the object, and obtaining dynamic metadata relating to the importation of the object. The static metadata and the dynamic metadata are hashed to create a block hash for the object and the importation of the object. The imported object and the block hash are stored in the first data storage device.
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公开(公告)号：US11610603B2
公开(公告)日：2023-03-21
申请号：US17301433
申请日：2021-04-02
摘要： A data storage device can have one or more rotating data media with data tracks that are radially disposed from a central spindle. The data tracks may be logically divided into multiple regions while a write strategy is generated with a region module to set a sequence of different regions for future data writes. Receipt of a data write request to the data storage media from a host can prompt the region module to classify the data write request as a sequential or random write in order to intelligently select a region to satisfy the data write request based on the write strategy to maximize data writing consistency for data associated with the data write request.
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公开(公告)号：US20230066792A1
公开(公告)日：2023-03-02
申请号：US17859408
申请日：2022-07-07
发明人： Xiong Liu , Barish Chakravarty , Lihong Zhang , Akhil Namboori , Hui Ning Tan
IPC分类号： G02B26/00
摘要： A digital microfluidic (DMF) system based on an electrowetting-on-dielectric mechanism includes a substrate, and at least one dielectric layer comprising diamond-like carbon over the substrate. The DMF system also includes a plurality of electrodes connected to the dielectric layer. A voltage source is selectively couplable to different electrodes of the plurality of electrodes.
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公开(公告)号：US20230062615A1
公开(公告)日：2023-03-02
申请号：US17409927
申请日：2021-08-24
摘要： Two or more data values are received from one or more sensors of a hard disk drive. The two or more data values are indicative of a fly height of a recording head of the hard disk drive. The two or more data values are input into a machine-learning processor during operation of the hard disk drive. A fly height of the recording head during the operation of the hard drive head is adjusted based on an output of the machine learning processor
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公开(公告)号：US11593262B1
公开(公告)日：2023-02-28
申请号：US15962993
申请日：2018-04-25
摘要： Systems and methods are disclosed for the intelligent scheduling of garbage collection operations on a solid state memory. In certain embodiments, a method may comprise initiating a garbage collection process for a solid state memory (SSM) having a multiple die architecture, determining an order of die access for the garbage collection process based on an activity table indicating a use of one or more die in the multiple die architecture, and performing the garbage collection process based on the determined order of die access. Garbage collection reads may be directed to idle die to avoid conflicts with die busy performing other operations, thereby improving system performance.
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公开(公告)号：US11587581B1
公开(公告)日：2023-02-21
申请号：US16263308
申请日：2019-01-31
发明人： Mark Gubbins , Roger L. Hipwell, Jr. , Marcus B. Mooney , Mark Ostrowski , Tong Zhao , Michael J. Hardy , Michael Christopher Kautzky , Neil Zuckerman , Declan Macken , Francis A. McGinnity
IPC分类号： G11B5/127 , G11B3/10 , G11B5/31 , G11B11/105 , G11B5/00
摘要： A near-field transducer or heat sink is formed via a first process. The near-field transducer or heat sink is transfer-printed to a read/write head via a second process.
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