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公开(公告)号：US10734023B2
公开(公告)日：2020-08-04
申请号：US16421323
申请日：2019-05-23
摘要： A tape drive, according to one embodiment, includes: a processor, and logic which is integrated with the processor, executable by the processor, or integrated with and executable by the processor. The logic is configured to: determine whether a difference between information and corresponding design values is in a range. The information corresponds to how an array of writers write and/or are expected to write to a magnetic medium during shingled recording. Moreover, the logic is configured to: compute, using the information, data describing a lateral writing position to use during writing such that shingled track edges are aligned according to a format in response to determining that the difference between the information and corresponding design values is not in the range.
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公开(公告)号：US20190164572A1
公开(公告)日：2019-05-30
申请号：US16243981
申请日：2019-01-09
IPC分类号： G11B5/39
CPC分类号： G11B5/3948 , G11B5/3909 , G11B5/3912 , G11B5/3932 , G11B5/3951 , G11B5/3958 , G11B5/397
摘要： An apparatus according to one embodiment includes a magnetic head having at least two tunneling magnetoresistance sensors, where a resistance of a tunnel barrier of each of the tunneling magnetoresistance sensors of the magnetic head is about 25 ohms or less, a drive mechanism for passing a magnetic medium over the magnetic head, and a controller electrically coupled to the magnetic head. In addition, the controller includes a biasing circuit, where the biasing circuit restricts a maximum voltage drop across the tunnel barrier.
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3.发明授权Method of forming magnetic recording head having protected reader sensors and near zero recession writer poles 有权具有受保护的读取器传感器和近零衰退的写入极的磁记录头的形成方法公开(公告)号：US09343097B2
公开(公告)日：2016-05-17
申请号：US13781460
申请日：2013-02-28
CPC分类号： G11B5/255 , G11B5/00813 , G11B5/00821 , G11B5/187 , G11B5/29 , G11B5/295 , G11B5/3106 , G11B5/40 , G11B5/4893 , G11B5/84 , Y10T29/49021
摘要： A method according to one embodiment includes applying a coating to a media facing side of a module, the module having first and second transducers of different magnetic transducer types positioned towards the media facing side of the module, wherein the different transducer types are selected from a group consisting of data reader transducers, servo reader transducers, write transducers, piggyback read-write transducers and merged read-write transducers; wherein the coating forms at least a portion of a first protection structure for protecting the first transducer; and wherein the second transducer has either no protection or is protected by a second protection structure that is different than the first protection structure.
摘要翻译： 根据一个实施例的方法包括将涂层施加到模块的面向介质的侧面，所述模块具有朝向所述模块的面向介质侧定位的不同磁换能器类型的第一和第二换能器，其中所述不同的换能器类型选自 组成的数据读取器传感器，伺服读取器换能器，写入传感器，背负式读写传感器和合并的读写传感器; 其中所述涂层形成用于保护所述第一换能器的第一保护结构的至少一部分; 并且其中所述第二换能器不具有保护或被不同于所述第一保护结构的第二保护结构所保护。
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公开(公告)号：US20190311740A1
公开(公告)日：2019-10-10
申请号：US16445076
申请日：2019-06-18
摘要： A method according to one embodiment includes running a magnetic recording tape over a tape bearing surface of a module having at least one edge, detecting signals from the tape at differing wrap angles for estimating a height of tenting of the tape above a transducer at each of the wrap angles, and selecting a wrap angle to provide about a predefined height of tenting of the tape above the transducer. A resulting tent of the moving magnetic recording tape extends from the edge of the module closest thereto to a minima with a tent apex therebetween, where the minima is at a first point of closest approach of the moving magnetic recording tape to the tape bearing surface of the module nearest the tent apex.
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5.发明申请公开(公告)号：US20190279673A1
公开(公告)日：2019-09-12
申请号：US16421323
申请日：2019-05-23
摘要： A tape drive, according to one embodiment, includes: a processor, and logic which is integrated with the processor, executable by the processor, or integrated with and executable by the processor. The logic is configured to: determine whether a difference between information and corresponding design values is in a range. The information corresponds to how an array of writers write and/or are expected to write to a magnetic medium during shingled recording. Moreover, the logic is configured to: compute, using the information, data describing a lateral writing position to use during writing such that shingled track edges are aligned according to a format in response to determining that the difference between the information and corresponding design values is not in the range.
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公开(公告)号：US20180090162A1
公开(公告)日：2018-03-29
申请号：US15826525
申请日：2017-11-29
CPC分类号： G11B5/584 , G11B5/00826 , G11B5/4893 , G11B20/1201
摘要： A computer program product, according to one embodiment, includes a computer readable storage medium having program instructions embodied therewith. The computer readable storage medium is not a transitory signal per se. Moreover, the program instructions readable and/or executable by a controller to cause the controller to perform a method which includes: determining, by the controller, whether a difference between information and corresponding design values is in a range; and computing, by the controller and using the information, data describing a lateral writing position to use during writing such that shingled track edges are aligned according to a format in response to determining that the difference between the information and corresponding design values is not in the range. The information corresponds to how an array of writers write and/or are expected to write to a magnetic medium during shingled recording.
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7.发明申请公开(公告)号：US20170169843A1
公开(公告)日：2017-06-15
申请号：US15430790
申请日：2017-02-13
CPC分类号： G11B5/455 , G06F3/0616 , G06F3/0653 , G06F3/0682 , G11B5/00813 , G11B20/1816
摘要： A computer-implemented method, according to one embodiment, includes: collecting performance data corresponding to a tape drive and/or a magnetic tape head, storing the performance data in memory, and using the data to perform problem analysis. The performance data includes a resistance of the tape drive and/or magnetic tape head and a resolution of the tape drive and/or the magnetic tape head. Moreover, performing the problem analysis includes: determining a condition of the tape drive and/or the magnetic tape head, wherein the condition is selected from a group consisting of: wear, corrosion, defective leads and wire bonds. Other systems, methods, and computer program products are described in additional embodiments.
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8.发明授权Magnetic recording head having protected reader sensors and near zero recession writer poles 有权磁记录头具有受保护的读取器传感器和近零衰退的写入极公开(公告)号：US09449620B2
公开(公告)日：2016-09-20
申请号：US14703832
申请日：2015-05-04
CPC分类号： G11B5/255 , G11B5/00813 , G11B5/00821 , G11B5/187 , G11B5/29 , G11B5/295 , G11B5/3106 , G11B5/40 , G11B5/4893 , G11B5/84 , Y10T29/49021
摘要： An apparatus according to one embodiment includes a module having first and second transducers of different transducer types positioned towards a media facing side of the module, where the different transducer types are selected from a group consisting of data reader transducers, servo reader transducers, write transducers, piggyback read-write transducers and merged read-write transducers. The apparatus also includes a first protection structure for protecting the first transducer. The second transducer has either no protection or is protected by a second protection structure that is different than the first protection structure. In one embodiment, the first protection structure includes a coating on the media facing side of the module adjacent the first transducer. In another embodiment, the first protection structure is a recessed portion of the media facing side adjacent the first transducer.
摘要翻译： 根据一个实施例的装置包括具有不同换能器类型的第一和第二换能器的模块，其朝向模块的面向介质的侧面定位，其中不同的换能器类型选自数据读取器换能器，伺服读取器换能器，写入换能器 ，背负读写传感器和合并读写传感器。 该装置还包括用于保护第一换能器的第一保护结构。 第二传感器不具有保护或被不同于第一保护结构的第二保护结构保护。 在一个实施例中，第一保护结构包括在与第一换能器相邻的模块的面向介质的侧上的涂层。 在另一个实施例中，第一保护结构是与第一换能器相邻的介质面向侧的凹陷部分。
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公开(公告)号：US10832725B2
公开(公告)日：2020-11-10
申请号：US16446439
申请日：2019-06-19
IPC分类号： G11B5/187 , G11B15/62 , G11B5/48 , G11B5/008 , G11B5/255 , G11B15/60 , G11B15/64 , G11B15/43 , G11B5/60
摘要： In one embodiment, a computer program product for determining a wrap angle includes a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se. The program instructions are executable by a processor to cause the processor to perform a method that includes receiving, by the processor, a measurement of a distance from an edge to a transducer, receiving, by the processor, a predefined height of tenting of a magnetic recording tape above the transducer, and determining, by the processor, a wrap angle for inducing tenting of the magnetic recording tape above the transducer at the predefined height when the magnetic recording tape passes over the edge in a direction of tape travel thereacross.
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公开(公告)号：US10199058B2
公开(公告)日：2019-02-05
申请号：US15133192
申请日：2016-04-19
IPC分类号： G11B5/127 , H04R31/00 , G11B5/255 , G11B5/84 , G11B5/187 , G11B5/008 , G11B5/31 , G11B5/29 , G11B5/40 , G11B5/48
摘要： A method according to one embodiment includes recessing a portion of a media facing side of a module, the module having first and second transducers of different magnetic transducer types positioned towards the media facing side of the module, wherein the different transducer types are selected from a group consisting of data reader transducers, servo reader transducers, write transducers, piggyback read-write transducers and merged read-write transducers; wherein the recess is positioned towards one of the first transducers, wherein the recess forms a first protection structure for protecting the first transducer; and wherein the second transducer has either no protection or is protected by a second protection structure that is different than the first protection structure.
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