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公开(公告)号：US20230327391A1
公开(公告)日：2023-10-12
申请号：US17804368
申请日：2022-05-27
Applicant: Microsoft Technology Licensing, LLC
Inventor： Richard John BLACK , Rokas DREVINSKAS , Patrick Neil ANDERSON , Masaaki SAKAKURA , Thomas Torsten DR WINKLER , David LARA SAUCEDO
CPC classification number: H01S3/109 , G11B7/127 , G11B7/2531
Abstract: Examples are disclosed that relate to efficiently producing multiple laser beams of a harmonic frequency from a fundamental frequency beam. One example provides a laser system comprising a laser configured to output a fundamental frequency beam, a first harmonic-generation stage, and a second harmonic-generation stage. The first harmonic-generation stage is configured to receive an input of the fundamental frequency beam from the laser, and output from the laser system a first-stage harmonic frequency beam and a first-stage residual fundamental frequency beam. The second harmonic-generation stage is configured to receive an input of the first-stage residual fundamental frequency beam, and to output from the laser system a second-stage harmonic frequency beam.
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公开(公告)号：US20200081619A1
公开(公告)日：2020-03-12
申请号：US16680865
申请日：2019-11-12
Applicant: Microsoft Technology Licensing, LLC
Inventor： Antony Ian Taylor ROWSTRON , Ioan Alexandru STEFANOVICI , Aaron William OGUS , Douglas Wayne PHILLIPS , Richard John BLACK , Austin Nicholas DONNELLY , Alexander Lloyd GAUNT , Andreas GEORGIOU , Ariel GOMEZ DIAZ , Serguei Anatolievitch LEGTCHENKO , Reinhard Sebastian Bernhard NOWOZIN , Benn Charles THOMSEN , Hugh David Paul WILLIAMS , David LARA SAUCEDO , Patrick Neil ANDERSON , Andromachi CHATZIELEFTHERIOU , John Christopher DAINTY , James Hilton CLEGG , Raluca Andreea DIACONU , Rokas DREVINSKAS , Mengyang YANG
Abstract: A data-storage system comprises a head receiver configured to variably receive up to a number M of write heads. The data-storage system also includes an installed number N of write heads arranged in the head receiver, a substrate receiver configured to receive one or more data-storage substrates, and a positioner machine configured to adjust a relative placement of each of the M write heads with respect to at least one of the one or more data-storage substrates.
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公开(公告)号：US20240331732A1
公开(公告)日：2024-10-03
申请号：US18194231
申请日：2023-03-31
Applicant: Microsoft Technology Licensing, LLC
Inventor： Masaaki SAKAKURA , Rokas DREVINSKAS , Daniel Jonathan Finchley CLETHEROE , Richard John BLACK , Austin Nicholas DONNELLY , Timothy John DEEGAN , James Hilton CLEGG , Philip Athelstan WAINMAN , Patrick Neil ANDERSON , Teodora ILIEVA , Thomas Torsten DR WINKLER , Pablo Rafael Andreas Wilke BERENGUER , Erika Blancada ARANAS , Bridgette Rosanna Doris COOPER , Ioan Alexandru STEFANOVICI
IPC: G11B7/24044 , G11B7/0045 , G11B7/1353 , G11B7/1365
CPC classification number: G11B7/24044 , G11B7/00456 , G11B7/1353 , G11B7/1365 , G11B2007/0009
Abstract: A method for forming birefringent voxels comprises simultaneously generating a first seed pulse and a first data pulse. The first seed pulse and the first data pulse are spatially-separated laser pulses having different amplitudes. The first seed pulse is focused at a first seed location, and the data pulse is focused at a first data location. The first seed location and the first data location are separated by a predetermined distance along a scan path, with the first seed location being ahead of the first data location. Subsequently, a second seed pulse and a second data pulse are generated, and focused at a second seed location and second data location, respectively. The second seed and data locations are separated by the predetermined distance. The second data location is the same as the first seed location, resulting in formation of a birefringent voxel.
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公开(公告)号：US20240331731A1
公开(公告)日：2024-10-03
申请号：US18194161
申请日：2023-03-31
Applicant: Microsoft Technology Licensing, LLC
Inventor： Masaaki SAKAKURA , Timothy John DEEGAN , Rokas DREVINSKAS , Thomas Torsten DR WINKLER , Daniel Jonathan Finchley CLETHEROE , Richard John BLACK , Patrick Neil ANDERSON , Austin Nicholas DONNELLY , Ioan Alexandru STEFANOVICI
IPC: G11B7/127
CPC classification number: G11B7/127
Abstract: A method of writing voxels to a substrate using a laser writing system comprises forming a first voxel at a first position in a substrate using a first laser pulse; detecting light emitted or scattered by the substrate as a result of forming the first voxel; determining whether the detected light satisfies a predetermined constraint; and, when the detected light does not satisfy the predetermined constraint, adjusting an amplitude of a second laser pulse. Light emission or scattering from the substrate as a result of forming a voxel is related to the properties of the formed voxel. By monitoring such emission or scattering, it is made possible to compensate for variations in performance of the laser writing system. Also provided herein are a laser writing system and computer program product which implement the method.
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Patent Agency Ranking
公开(公告)号：US20190354283A1
公开(公告)日：2019-11-21
申请号：US15981789
申请日：2018-05-16
Applicant: Microsoft Technology Licensing, LLC
Inventor： Antony Ian Taylor ROWSTRON , Ioan Alexandru STEFANOVICI , Aaron William OGUS , Douglas Wayne PHILLIPS , Richard John BLACK , Austin Nicholas DONNELLY , Alexander Lloyd GAUNT , Andreas GEORGIOU , Ariel GOMEZ DIAZ , Serguei Anatolievitch LEGTCHENKO , Reinhard Sebastian Bernhard NOWOZIN , Benn Charles THOMSEN , Hugh David Paul WILLIAMS , David LARA SAUCEDO , Patrick Neil ANDERSON , Andromachi CHATZIELEFTHERIOU , John Christopher DAINTY , James Hilton CLEGG , Raluca Andreea DIACONU , Rokas DREVINSKAS , Mengyang YANG
Abstract: A data-storage system comprises a head receiver configured to variably receive up to a number M of write heads. The data-storage system also includes an installed number N of write heads arranged in the head receiver, a substrate receiver configured to receive one or more data-storage substrates, and a positioner machine configured to adjust a relative placement of each of the M write heads with respect to at least one of the one or more data-storage substrates.
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公开(公告)号：US20240020567A1
公开(公告)日：2024-01-18
申请号：US18069139
申请日：2022-12-20
Applicant: Microsoft Technology Licensing, LLC
Inventor： Georgios CHATZIDROSOS , Foteini KARINOU , Patrick Neil ANDERSON , Hitesh BALLANI , Anna MITENKOVA , Antony Ian Taylor ROWSTRON
IPC: G06N10/40
CPC classification number: G06N10/40
Abstract: An apparatus comprising: a crystal; a wire pair formed of a first wire connected so as to receive a first alternating current, and a second wire connected so as to receive a second alternating current substantially antiparallel to the first alternating current in the first wire, and located adjacent the first wire such that a localized electromagnetic filed is created in a region local to the wire pair via constructive electromagnetic interference between the first wire and the second wire in the region local to the wire pair and destructive electromagnetic field interference between the first wire and the second wire outside of the region local to the wire pair; and a colour centre located within the crystal in the region local to the wire pair.
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公开(公告)号：US20230409948A1
公开(公告)日：2023-12-21
申请号：US18069128
申请日：2022-12-20
Applicant: Microsoft Technology Licensing, LLC
Inventor： Georgios CHATZIDROSOS , Foteini KARINOU , Patrick Neil ANDERSON , Hitesh BALLANI , Anna MITENKOVA , Antony Ian Taylor ROWSTRON
IPC: G06N10/40
CPC classification number: G06N10/40
Abstract: An apparatus comprising: a crystal; and a colour centre located within the crystal and adapted to receive: a magnetic field, such that a projection of the magnetic field onto a colour centre axis of the colour centre causes a change in an electron spin resonance frequency of the colour centre, and an electromagnetic signal having a frequency that substantially matches the electron spin resonance frequency of the colour centre as changed by the projection of the magnetic field onto the colour centre axis.
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公开(公告)号：US20230409947A1
公开(公告)日：2023-12-21
申请号：US18068057
申请日：2022-12-19
Applicant: Microsoft Technology Licensing, LLC
Inventor： Georgios CHATZIDROSOS , Foteini KARINOU , Patrick Neil ANDERSON , Hitesh BALLANI , Anna MITENKOVA , Antony Ian Taylor ROWSTRON
IPC: G06N10/40
CPC classification number: G06N10/40
Abstract: An apparatus comprising a crystal; at least three first wires arranged substantially parallel to each other; at least two second wires arranged substantially parallel to each other, each second wire arranged non-parallel to each first wire, such that each second wire crosses each first wire, forming at least six cross points; and at least six colour centres, each colour centre located within the crystal adjacent a different one of the at least six cross points.
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公开(公告)号：US20210350510A1
公开(公告)日：2021-11-11
申请号：US16867323
申请日：2020-05-05
Applicant: Microsoft Technology Licensing, LLC
Inventor： Ariel GOMEZ DIAZ , David LARA SAUCEDO , Peter Gyula SCHOLTZ , Patrick Neil ANDERSON , Rokas DREVINSKAS , Richard John BLACK , James Hilton CLEGG
Abstract: One example provides a computer-implemented method for reading data stored as birefringence values in a storage medium. The method comprises acquiring an image of a voxel of the storage medium, applying a first low-pass filter with a first cutoff frequency to the image of the voxel to obtain a first background image, applying a second low-pass filter with a second cutoff frequency to the image of the voxel to obtain a second background image, the second cutoff frequency being different than the first cutoff frequency, determining an enhanced background image from the first background image and the second background image, determining birefringence values for the enhanced background image, determining birefringence values for the image of the voxel, and correcting the birefringence values for the image of the voxel based upon the birefringence values for the enhanced background image.
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