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| Number | Title | Issue Date |
| 8437103 | Multichannel time based servo tape media A thin film magnetic recording head is fabricated by forming a substrate from opposing ferrite blocks which have a ceramic member bonded between them. This structure is then diced to form a plurality of columns, wherein each column has a ferrite/ceramic combination.... | 05/07/2013 |
| 8315017 | Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction method An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support. A height of protrusions with a protrusion density of 0.002 protrusion/μm2 or lo... | 11/20/2012 |
| 8279554 | Magnetic recording medium and magnetic signal reproduction method The magnetic signal reproduction system comprises a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support; and a reproduction head, wherein a number of protrusions equal to or greater than 10 nm... | 10/02/2012 |
| 8199434 | High areal density tape format and head A magnetic recording tape according to one embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an average height of the bars is less than about 50 microns, wherein about eight to about twenty si... | 06/12/2012 |
| 8164857 | Magnetic signal reproduction system employing a spin-valve MR head developed for high-density recording and a spin-valve MR head and magnetic signal reproduction method for reproducing magnetic signals in which a spin-valve MR head is employed The magnetic signal reproduction system comprises a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support; and a reproduction head, wherein a number of protrusions equal to or greater than 10 nm... | 04/24/2012 |
| 8120876 | Medium for use in a tape drive apparatus having identification segment and a segment identification pattern A tape medium has an identification segment located on a transparent leader segment of the tape medium for optical detection of the segment identification pattern. The segment identification pattern and the medium identification pattern have a predefined spatial rel... | 02/21/2012 |
| 7995309 | Magnetic recording medium, magnetic signal reproduction method and magnetic signal reproduction system The present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on one surface of a nonmagnetic support and a backcoat layer comprising a granular material and a binder on the other surface of t... | 08/09/2011 |
| 7952832 | High areal density tape format and head A magnetic recording tape according to one embodiment includes a plurality of servo tracks, each servo track comprising a series of magnetically defined bars, wherein an average height of the bars is less than about 50 microns. A magnetic recording tape according to... | 05/31/2011 |
| 7474505 | Magnetic tape medium A magnetic tape medium having superior dimensional stability in the width direction and off-track resistance is provided although having a very high track width in the width direction. As a non-magnetic substrate of a magnetic tape medium in which the track density ... | 01/06/2009 |
| 7438983 | Magnetic recording medium A magnetic recording medium is composed of a nonmagnetic support provided with on one side of the support a magnetic layer containing a ferromagnetic powder and a binder, and a backing layer on the other side of the nonmagnetic support, wherein the nonmagnetic suppo... | 10/21/2008 |
| 7423840 | Magnetic tape recording system having tape with defined remanent magnetization A magnetic recording tape exhibits reduced magnetic flux modulation and improved signal-to-noise ratio. Providing a magnetic recording layer with a more uniform thickness can improve the magnetic flux modulation characteristic. For example, the magnetic recording ta... | 09/09/2008 |
| 7420777 | Leader tape having an end which is cut using a mechanical process so as to be strongly spliced onto a magnetic tape A leader tape to be spliced in a butting manner to a leading end of a magnetic tape, the leading end being mechanically cut in a tapered shape, wherein the leader tape has a surface roughness RZ (RZ complies with JIS B0601-1994) of 5 μm or less. ... | 09/02/2008 |
| 7406580 | Method for utilizing tape media segmentation A method is presented for utilizing tape storage media segmentation to improve data access performance. A segmented tape storage medium within a tape cartridge having a first and second segment is utilized. A selection module allows a user to select a user-defined c... | 07/29/2008 |
| 7391592 | Magnetic recording medium including a diamond-like carbon protective film and at least two additional elements A magnetic recording medium having a diamond-like carbon (DLC) film added therein a Group IV element of the periodic table such as silicon, particularly in the vicinity of the boundary between the magnetic material and the formed DLC film. Since a DLC having low fri... | 06/24/2008 |
| 7384700 | Leader tape and magnetic tape cartridge using the same A leader tape comprising a support and a coating layer containing powder and a binder, wherein at least one surface of the leader tape has a center line average surface roughness (Ra) of from 10 to 60 nm, and depression hardness (DH) defined by the following equatio... | 06/10/2008 |
| 7381484 | Magnetic recording tape A magnetic recording tape comprising a magnetic layer, a flexible support and a back coat layer in this order, wherein the support is a polyester film having an intrinsic viscosity of from 0.40 to 0.60 dl/g and a number average molecular weight of from 12,000 to 24,... | 06/03/2008 |
| 7379275 | Magneto-resistive head having a thermally conductive layer A magneto-resistive head, a magnetic tape and a magnetic tape recording/reproducing system, which are capable of suppressing the formation of protrusions around a magneto-resistive element, thereby preventing the occurrence of such problems as spacing loss and tape ... | 05/27/2008 |
| 7369363 | Method for producing magnetic tape in which a prescribed winding habit is imparted to the magnetic tape A method for producing a magnetic tape and method for improving a winding form of the magnetic tape are provided. These methods comprises a stage for winding a magnetic tape around a tape reel; and a stage for thermally treating the magnetic tape wound around the ta... | 05/06/2008 |
| 7360291 | Method of manufacturing a recording tape cartridge A recording tape cartridge including: a reel, and gear teeth are provided at an inner side of a floor portion of a reel hub on which a recording tape is wound; a case which accommodates the reel, and an engaging projection is formed at a surface of the case opposing... | 04/22/2008 |
| 7361422 | Leader tape and magnetic tape cartridge using the same A leader tape in which an non-magnetic under layer that contains a powder and a binder and a magnetic upper layer are sequentially laminated on at least one side of a support, a center line average roughness (Ra) of a surface of the support is from 30 to 50 nm, and ... | 04/22/2008 |
| 7359153 | Recording medium cartridge A recording tape cartridge is structured so as to accommodate, within a case, a reel on which is wound a magnetic tape which is a recording medium. The recording tape cartridge has a so-called WORM function such that overwriting of data on a recording region of the ... | 04/15/2008 |
| 7352528 | Leader tape and magnetic tape cartridge using the same A leader tape comprising a support and a coating layer containing a powder and a binder, wherein at least one surface of the leader tape has a center line average roughness (Ra) of from 10 to 60 nm, and the leader tape has a cupping of from 0 to 1 mm per a width of ... | 04/01/2008 |
| 7349182 | Magnetic recording medium A magnetic recording medium for being used in a write/read system in which a difference of track width between write track width and read track width is smaller than 10 μm, which comprises: a magnetic layer containing ferromagnetic powder and a binder; a nonmagneti... | 03/25/2008 |
| 7341798 | Magnetic tape medium A magnetic recording medium is provided that can ensure stable recording and reproducing characteristics with little off-track even when a track density in the direction of width of the tape is very high and 50 lines/mm or more, an off-track margin is 5 μm or small... | 03/11/2008 |
| 7327534 | Ultra fast backup (UFB) tape cartridge and method for loading same A cartridge for operatively housing a recording/playback medium comprising a first spool and a second spool located at offset positions inside a cartridge shell body; a recording/playback medium of a fixed width and length wound around the first and second spools; a... | 02/05/2008 |
| 7283320 | Magnetic recording medium including servo and data bands in the magnetic layer A magnetic recording medium having a magnetic layer containing magnetic powder provided on a support is disclosed. The magnetic layer possesses a servo band in which a servo signal for controlling tracking of a magnetic head, and a data band on which a data is recor... | 10/16/2007 |
| 7267895 | Magnetic tape and method for manufacturing the same A method for manufacturing a magnetic tape includes the steps of feeding a broad magnetic tape including a broad support formed with a magnetic recording layer on one side thereof and a back coat layer on the other surface thereof to a portion between a disk-like up... | 09/11/2007 |
| 7259935 | Magnetic tape including an intermediate layer consisting essentially of a binder A magnetic tape having a lower non-magnetic layer containing non-magnetic powder and a binder, and an upper magnetic layer containing ferromagnetic powder and a binder, formed on a surface of a tape-form non-magnetic support. This magnetic tape has an intermediate b... | 08/21/2007 |
| 7255908 | Magnetic tape A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number o... | 08/14/2007 |
| 7212118 | Pluggable cartridge memory chip and memory access A cartridge system uses a pluggable remotely accessible tag to store information related to the cartridge. These tags may be accessed by tape drives having pluggable remotely accessing receivers. ... | 05/01/2007 |
| 7180699 | Method and apparatus for increasing capacity of magnetic media storage A method and apparatus for increasing the capacity of magnetic media storage is disclosed. More specifically, an improved two-sided magnetic tape is disclosed. In one implementation, in order to mitigate pack winding problems, a trade-off can be made between the bac... | 02/20/2007 |
| 7157163 | Magnetic recording medium The present invention provides a magnetic recording medium comprising a magnetic layer with excellent surface smoothness, which comprises a thin film magnetic layer of thickness in a range from 0.03 to 0.30 μm that is ideal for short wavelength recording, and displ... | 01/02/2007 |
| 7145460 | Data tape storage cartridge with removable panel mounted transponder A data tape storage cartridge for a data storage system that has a transponder for reading and writing data. The data storage tape cartridge includes a housing having a window and at least one wall. A panel is retained on the housing and configured to cover the wind... | 12/05/2006 |
| 7111135 | Random access time to data stored on LTO tape by incorporating stacked cartridge memory (CM) modules A tape cartridge having dual cartridge memory modules to provide memory redundancy, and a method and apparatus for providing redundancy of cartridge memory information within a tape cartridge. The tape cartridge comprises at least first and second cartridge memory m... | 09/19/2006 |
| 7085962 | Method and system for completing a backup job that was interrupted during a backup process A method and apparatus for completing a backup job that was interrupted during a backup process, including identifying the job that was interrupted during the backup process, using the interrupted job to build a list of one or more volumes that still need to be back... | 08/01/2006 |
| 7068464 | Double sided magnetic tape Magnetic tape onto which information may be recorded on either side exhibits the risk of having information recorded on one side affect the opposite side when the two sides are adjacent, such as when the tape is wound in a tape pack. The chance that information reco... | 06/27/2006 |
| 7056607 | Magnetic recording medium Provided is a magnetic recording medium permitting the controlling of backcoat layer transfer to a magnetic layer surface, a reduction in dropout even when employing microgranular magnetic material, as well as good running stability, durability, and storage properti... | 06/06/2006 |
| 7012779 | Recording and reproducing device The present invention is relative to a recording and/or reproducing apparatus having a cassette tape exchanging function of selectively taking out a cassette tape (1) accommodated in a cassette holder (130) for recording or reproducing information sign... | 03/14/2006 |
| 6973366 | Production process control system A production process control system, which includes a production process control server controlling production process information of a product and a control terminal controlling production operation of a production facility connected with the production process con... | 12/06/2005 |
| 6940672 | Azimuthal transition layout for two-sided data storage tape In general, the invention provides two-sided magnetic data storage tape comprising azimuthal magnetic transition layouts that can substantially reduce demagnetization of recorded magnetic transitions on the surfaces of the tape. The invention specifically balances t... | 09/06/2005 |
