Abstract: The present disclosure generally relates to a tape head and a tape head drive including a tape head. The tape head comprises at least one same gap verify (SGV) module comprising a closure, a substrate, and a plurality of write transducer and read transducer pairs disposed between the substrate and the closure. The write transducer and the read transducer of each pair are aligned in a first direction and spaced a distance in the downtrack direction of about 5 ?m to about 20 ?m. A first overcoat is disposed over each write transducer at a media facing surface (MFS), and a second overcoat is disposed over each read transducer at the MFS. The first and second overcoats may comprise different materials, and are deposited during different processes.

Abstract: The present disclosure is generally related to a tape drive comprising a tape head and a controller coupled to the tape head. The tape head comprises one or more modules, each module comprising a plurality of write heads aligned in a first row, a plurality of read heads aligned in a second row parallel to the first row, and at least four first servo heads aligned in the second row. Two or more first servo heads of the at least four first servo heads are configured to concurrently read first servo data from a first servo track. The controller is configured to concurrently process the first servo data, to compute the position of the tape head based on a known spacing between the at least two servo heads, and to dynamically adjust a position of the tape head based on the processed first servo data.

Abstract: The present disclosure generally relates to a tape drive. The tape drive comprises a first tape head and a second tape head linearly aligned with one another, where the first tape head and the second tape head are configured to concurrently operate. The first tape head and the second tape head each comprise a plurality of write transducers, a plurality of read transducers, and a plurality of servo transducers. The tape drive further comprises a first actuator coupled to the first tape head and a second actuator coupled to the second tape head. The first and second actuators are configured to independently tilt and move the first and second tape heads, respectively. Tilting and moving the first and second tape heads individually enables the tape drive to compensate for non-linear tape dimensional stability effects.

Abstract: The present disclosure generally relates to a tape drive including a tape head. The tape head comprises two modules, where each module comprises 64 writers, 64 readers, and three pairs of servo readers aligned with the 64 readers in a first row. The three pairs of servo readers comprise a first pair disposed at a first end of the first row, a second pair disposed between two groups of 32 readers, and a third pair disposed at a second end of the first row. The writers are disposed in a second row parallel to the first row, and are each aligned with an adjacent reader. The spacing between each reader and each writer is about 150 ?m to about 200 ?m. Each module is configured to write data to a tape using the 64 writers and to read verify the newly written data using the 64 readers.

Abstract: The present disclosure is generally related to a tape head and a tape drive including a tape head. The tape head comprises one or more head assemblies, each head assembly comprising a plurality of write heads aligned in a row, at least one writer servo head aligned with the row of write heads, a plurality of read heads aligned in a row, and at least one reader servo head aligned with the row of read heads. The writer servo head and the reader servo head are independently controllable and are configured to operate concurrently. The tape head is able to accurately and independently position the write heads using the writer servo head(s) when writing data to a tape and position the read heads using the reader servo head(s) when reading data from the tape, even if the write heads and read heads are or become mis-aligned.

Abstract: The present disclosure generally relates to a tape drive including a tape head. The tape head comprises two modules, where each module comprises 64 writers, 64 readers, and three pairs of servo readers aligned with the 64 readers in a first row. The three pairs of servo readers comprise a first pair disposed at a first end of the first row, a second pair disposed between two groups of 32 readers, and a third pair disposed at a second end of the first row. The writers are disposed in a second row parallel to the first row, and are each aligned with an adjacent reader. The spacing between each reader and each writer is about 150 ?m to about 200 ?m. Each module is configured to write data to a tape using the 64 writers and to read verify the newly written data using the 64 readers.

Abstract: The present disclosure generally relates to a tape drive comprising a tape head and control circuitry. The tape head comprises a plurality of data elements, each data element including a write transducer and a read transducer. The control circuitry is configured to control the tape head to write at least three different frequency preamble tones prior to writing data to data tracks of a tape. A different preamble tone is written to adjacent data tracks of the tape. The data elements of the tape head are each configured to read one or more preamble tones prior to writing data to or reading data from the tape. The control circuitry is then configured to extract a signal content from each preamble tone read by each data element, and determine an optimized positioning for the tape head with respect to the tape to reduce alignment errors.

Abstract: The present disclosure generally relates to a tape drive including a tape head. The tape head comprises one or more modules, each module comprising a plurality of writers disposed in a first row, a plurality of readers disposed in a second row parallel to the first row, a first servo reader aligned with either the first row or the second row, and a second servo reader aligned in a third row parallel to the first and second rows. The first servo reader and the second servo reader are offset from one another in a first direction and in a second direction perpendicular to the first direction, the first direction being a cross-track direction. The first servo reader and the second servo reader are spaced apart in the first direction about 1 ?m to about 20 ?m.

Abstract: The present disclosure generally relates to a tape drive comprising a tape head comprising one or more modules, wherein each module comprises a plurality of servo readers; a plurality of read elements; and a control circuitry configured to retrieve a priority servo reader designation for a bundle of data tracks of the plurality of data tracks, wherein the priority servo reader designation is one or more servo readers of the plurality of servo readers; use the designated priority servo reader to adjust a lateral position the tape head; retrieve a target delta Y position (?Ypos); and adjust a tilt of the tape head based on the target ?Ypos.

Abstract: The present disclosure generally relates to a tape drive comprising a tape head comprising one or more modules, wherein each module comprises a plurality of servo readers; a plurality of read elements; and a control circuitry configured to retrieve a priority servo reader designation for a bundle of data tracks of the plurality of data tracks, wherein the priority servo reader designation is one or more servo readers of the plurality of servo readers; use the designated priority servo reader to adjust a lateral position the tape head; retrieve a target delta Y position (?Ypos); and adjust a tilt of the tape head based on the target ?Ypos.

Abstract: The present disclosure generally relates to a tape drive. The tape drive comprises a first tape head and a second tape head linearly aligned with one another, where the first tape head and the second tape head are configured to concurrently operate. The first tape head and the second tape head each comprise a plurality of write transducers, a plurality of read transducers, and a plurality of servo transducers. The tape drive further comprises a first actuator coupled to the first tape head and a second actuator coupled to the second tape head. The first and second actuators are configured to independently tilt and move the first and second tape heads, respectively. Tilting and moving the first and second tape heads individually enables the tape drive to compensate for non-linear tape dimensional stability effects.

Abstract: The present disclosure is generally related to a tape drive comprising a tape head and a controller coupled to the tape head. The tape head comprises one or more modules, each module comprising a plurality of write heads aligned in a first row, a plurality of read heads aligned in a second row parallel to the first row, and at least four first servo heads aligned in the second row. Two or more first servo heads of the at least four first servo heads are configured to concurrently read first servo data from a first servo track. The controller is configured to concurrently process the first servo data, to compute the position of the tape head based on a known spacing between the at least two servo heads, and to dynamically adjust a position of the tape head based on the processed first servo data.

Abstract: The present disclosure is generally related to a tape head and a tape drive including a tape head. The tape head comprises one or more head assemblies, each head assembly comprising a plurality of write heads aligned in a row, at least one writer servo head aligned with the row of write heads, a plurality of read heads aligned in a row, and at least one reader servo head aligned with the row of read heads. The writer servo head and the reader servo head are independently controllable and are configured to operate concurrently. The tape head is able to accurately and independently position the write heads using the writer servo head(s) when writing data to a tape and position the read heads using the reader servo head(s) when reading data from the tape, even if the write heads and read heads are or become mis-aligned.

Abstract: The present disclosure generally relates to a tape head and a tape drive including a tape head. The tape head comprises servo heads configured to read servo data from a tape, a plurality of write heads configured to: write user data to a plurality of data tracks of the tape and write embedded servo data into one or more data fields of the tape, the embedded servo data comprising servo positioning information, and a plurality of read heads configured to read the user data and the embedded servo data from the tape. The embedded servo data may be embedded servo fields or embedded servo tracks. The embedded servo data allows the tape head to be accurately controlled and positioned above the tape, and for new data to be accurately appended to the tape.

Abstract: The present disclosure generally relates to a tape drive including a tape head. The tape head comprises at least one same gap verify (SGV) module comprising a plurality of write transducer and read transducer pairs disposed on a substrate. Each pair comprises a null shield disposed between the write transducer and the read transducer. One or more of a position between the write transducer and the read transducer of each pair, a width, a height, a thickness, and a permeability of the null shield is adjusted to create a null region, and the read transducer is disposed in the null region. The SGV module is configured to write data to a tape using the write transducer of each pair and read verify the data written on the tape using the read transducer of each pair such that the write transducer and read transducer of each pair are concurrently operable.

Abstract: The present disclosure is generally related to a tape head comprising a first module and a second module joined together along a seam. The first module comprises a plurality of data heads disposed in a first row parallel to the seam, and the second module comprises a plurality of data heads disposed in a second row parallel to the first row. The first row and the second row are spaced apart a distance of about 50 ?m to about 175 ?m. A via is disposed at a media facing surface (MFS) along a portion of the seam. The via has a length less than a width of the MFS and equal to or greater than a length of the first and second rows of data heads. The via is configured to create a vacuum effect to pull a magnetic media against the media facing surface when the tape head reads and writes data to the magnetic media.

Abstract: The present disclosure generally relates to a tape head and a tape drive including a tape head. The tape head comprises servo heads configured to read servo data from a tape, a plurality of write heads configured to: write user data to a plurality of data tracks of the tape and write embedded servo data into one or more data fields of the tape, the embedded servo data comprising servo positioning information, and a plurality of read heads configured to read the user data and the embedded servo data from the tape. The embedded servo data may be embedded servo fields or embedded servo tracks. The embedded servo data allows the tape head to be accurately controlled and positioned above the tape, and for new data to be accurately appended to the tape.

Abstract: The present disclosure generally relates to a tape drive including a tape head. The tape head comprises at least one same gap verify (SGV) module comprising a plurality of write transducer and read transducer pairs disposed on a substrate. In each pair, the write transducer comprises a write pole having a height, and the read transducer comprises a first shield disposed adjacent to the write pole. The write pole and the first shield of each pair are spaced apart a distance greater than or equal to about 20% of the height of the write pole. The SGV module is configured to write data to a tape using the write transducer of each pair and read verify the data written on the tape using the read transducer of each pair such that the write transducer and read transducer of each pair are concurrently operable.

Abstract: The present disclosure is generally related to a tape head assembly narrower than the width of a tape, wherein the tape head assembly comprises one or more heads, wherein each of the one or more heads comprise a curved surface comprising a first beveled wing, a second beveled wing, and a flat-lapped surface disposed between the first beveled wing and the second beveled wing. The first beveled wing and the second beveled wing each comprise outer corners recessed from a top surface of the flat-lapped surface such that there is no interaction between the outer corners of the beveled wings and the tape.

Abstract: The present disclosure is generally related to a tape drive comprising a tape head and a controller. The tape head comprises a first assembly and a second assembly disposed adjacent to the first assembly, each assembly comprising a write module comprising a plurality of write heads and a read module comprising a plurality of read heads. When a tape moves in a first direction, the controller is configured to control the tape head to write data to the tape using the write module of the first module and read data from the tape using the read module of the first assembly. When the tape moves in a second direction opposite the first direction, the controller is configured to control the tape head to write data to the tape using the write module of the second module and read data from the tape using the read module of the second assembly.