摘要:
A magnetic recording head includes a current perpendicular to the plane read head having a read sensor and a low resistance lead structure. The lead structure includes a layer of conductive material that forms at least a portion of the lead structure such that the layer of conductive material has a lower resistivity than a resistivity of the remainder of the lead structure. The layer of conductive material with lower resistivity decreases the overall resistance of the lead structure.
摘要:
A head slider moveable relative to a storage media having a storage layer is disclosed. The disc head slider comprises a read head formed on the head slider, and comprises a first electrical contact layer adapted to carry a sensor current, a second electrical contact layer adapted to carry the sensor current, a read sensor and a bias magnet. The read sensor is configured to carry the sense current perpendicular to plane. The read sensor also has a top sensor edge, and has a bottom sensor edge aligned with the air-bearing surface to access data in the storage disc. The bias magnet magnetically biases the read sensor. Further, the first and second electrical contact layers are made of a material that does not magnetically shield the read sensor.
摘要:
A read head, particularly suitable for a magnetic disc storage system, includes a read sensor having an air-bearing surface and an opposing top surface. The read head also includes a permanent magnet positioned adjacent the top surface of the read sensor for generating a magnetic bias field in the read sensor. The permanent magnet has a magnetization in a direction other than normal to the air-bearing surface of the read sensor.
摘要:
A ferromagnetic shield material having a minimized anisotropic magneto-resistance effect permits the use of a combined shield/electrical lead for magneto-resistive read elements. The shields/electrical leads may therefore be placed closer together, maximizing the recording density that may be read by a magnetic recording head using a read element having such shields/leads.
摘要:
A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to at least one edge of the write pole at the air bearing surface for carrying current to produce a magnetic field that saturates at least a portion of the write pole and augments a write field, a first conductive heat sink connected to a first end of the conductor, and a second conductive heat sink connected to a second end of the conductor. Disc drives that include the recording head are also included.
摘要:
Disclosed is a magnetoresistive magnetic field sensor wherein the sense current flows perpendicular to the plane of the layers of the sensor. The sensor is biased into a linear operating region of the transfer curve using the sense current or a permanent magnet in conjunction with the sense current.
摘要:
A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to an edge of the write pole at the air bearing surface, a first conductive heat sink connected to the conductor, and a second conductive heat sink connected to the conductor, wherein at least a portion of each of the first and second conductive heat sinks is positioned adjacent to the air bearing surface and wherein each of the first and second conductive heat sinks includes a structure for augmenting confinement of a magnetic write field adjacent to the write pole. Magnetic storage devices that include the magnetic recording head are also included.
摘要:
A differential sensor for reading data from a magnetic medium is disclosed. The sensor comprises two GMR multilayer structures biased in opposite directions, such as to show the transitions between binary states recorded on the media as the media flows under the sensor. The biasing of the GMR structures can be accomplished using a synthetic-antiferromagnet.
摘要:
An apparatus includes a light source, a slider including a sensor having a resistance or voltage that varies with the temperature of the sensor, the sensor being mounted to be heated by a portion of light emitted by the light source, and a controller controlling the light source power in response to the resistance or voltage of the sensor.
摘要:
A magnetic recording apparatus includes a write element and an optical device for heating a portion of a magnetic medium. The optical device and the write element are arranged to generally prevent the write element from affecting the optical fields generated by the optical device.