摘要:
A date storage master disk and method of making a data storage master disk. The data storage disk master is for use in a data storage disk replication process. The data storage disk molding processes produces replica disks having a surface relief pattern with replica lands and replica grooves. The method includes providing a master substrate. The master substrate is at least partially covered with a layer of photosensitive material. A surface relief pattern having master lands and master grooves is recorded in the data storage disk master, including the steps of exposing and developing the photosensitive material is controlled to form master grooves extending down to a substrate interface between the master substrate and the layer of photosensitive material, such that the width of the master grooves at the substrate interface corresponds to a desired width of the replica lands.
摘要:
The invention is directed to a memory card that includes two or more connectors that conform to different connector standards. In one embodiment, the first connector conforms to a device communication connector (DCC) standard to facilitate direct coupling of the memory card to a portable device such as a voice recorder, a digital video camcorder, a digital camera, a personal digital assistant (PDA), a cellular phone, a video game, a digital television, a photo printer, or the like. The second connector may comprise a host computer connector (HCC) for direct coupling to a computing device without an adapter or reader.
摘要:
A data storage tape guiding system is configured to guide a data storage tape along a tape path crossing a read/write head. The data storage tape guiding system includes data storage tape supply components and data storage tape take-up components. An entirety of the supply components is disposed on a common first plane on a first side of the read/write head. An entirety of the take-up components is disposed on a common second plane on a second side of the read/write head. The common first plane is different than the common second plane.
摘要:
A data storage cartridge comprising a hard drive and a cartridge housing. The hard drive includes a non-tape storage medium and an electronic data connector including a plurality of connection pads for accessing the non-tape storage medium. The cartridge housing substantially encloses the hard drive. The plurality of connection pads are transversely accessible by a cartridge drive.
摘要:
A data storage device is disclosed. The data storage device includes a continuous band, and a memory device assembly disposes within the continuous band. The continuous band defines an internal housing recess formed by opposing sides extending between first and second major surfaces, and an access window formed in one of the first and second major surfaces and communicating with the internal housing recess. In this regard, the memory device assembly is disposed in the internal housing recess, and a flexing of the continuous band exposes a data/power port of the memory device assembly through the access window.
摘要:
A USB memory device includes a circuit board, a connector, and a one-piece housing. The circuit board includes opposed major faces having a plurality of electrical contacts and a memory chip disposed on one of the major faces. The USB connector is coupled to a first end of the circuit board. The one-piece housing is over-molded over the circuit board and a portion of the connector, such that an interior of the one-piece housing contacts an entirety of the opposed major faces including the plurality of electrical contacts and the memory chip.
摘要:
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 tape may have a coercivity of greater than or equal to 2000 Oe with a magnetic flux modulation characteristic having a one sigma standard deviation of less than 0.06. In some cases, the magnetic flux modulation characteristic may have a one sigma standard deviation of less than 0.05, or even 0.04. Reduced magnetic flux modulation can support increased storage densities.
摘要:
In general, the invention is directed to servo techniques that utilize servo patterns to facilitate head positioning relative to the data tracks. For example, the servo techniques may include a first series of servo patterns configured to allow calculation of a position error signal that substantially mitigates error resulting from a variation in velocity of the data storage tape during detection of the at least one of the servo patterns in the first series. The servo techniques may also include a second series of servo patterns interleaved within the first series of servo patterns in order to encode data. The encoded data may include linear position information. Embodiments may allow a data storage tape meeting a currently accepted data storage tape specification, e.g., an LTO Ultrium specification, to record data in a higher density than currently implemented with the specification.
摘要:
The invention is directed to a memory card including a first connector that conforms to a first connection standard and a second connector that conforms to a second connection standard. The connectors are provided on a movable member disposed within a housing of the memory card. The movable member may be moved between a first position, in which the first connector is exposed, and a second position, in which the second connector is exposed.
摘要:
The invention is directed to data cartridges including a plurality of data storage disks. The invention applies the multi-disk data cartridges to a “jukebox” system in which one of the data cartridges is inserted into a computing device that de-cartridges and positions the data storage disks on one or more disk drives for reading or recording. A multi-disk data cartridge may comprise a cartridge housing with dimensions that conform to a magnetic tape cartridge housing standard form factor. The data cartridges may include blue disk media, such as Blu-Ray and HD-DVD. In order to integrate blue disk media into the data cartridge described herein, the blue disk media may comprise dimensions that conform to a non-standard blue disk form factor. In other cases, a cartridge housing may conform to a non-standard form factor based on dimensions of a standard form factor blue disk.