Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/2010
10/07/2010US20100254041 Perpendicular magnetic recording system with helical write coil and auxiliary coil for fast switching of write pole magnetization
10/07/2010US20100253743 Nozzle plate manufacturing method, nozzle plate, droplet discharge head manufacturing method, droplet discharge head, and printer
10/06/2010EP2237405A1 Control device for the change of the driving modality of an electromagnetic load
10/06/2010EP2237274A1 Magnetic recording medium
10/06/2010EP2237273A1 Magnetic tape cartridge
10/06/2010CN1856077B Reproduction device, reproduction method
10/06/2010CN1801410B Magnetic thin film and method of forming the same, magnetic device and inductor, and method of manufacturing magnetic device
10/06/2010CN1538443B Sliding member
10/06/2010CN101855672A Magnetic storage device, particularly for a hard drive, and method for making same
10/06/2010CN101855671A Magnetic head slider and magnetic disc drive
10/06/2010CN101853686A Method and apparatus for recording management information on a recording medium and the recording medium
10/06/2010CN101853671A Method of manufacturing a substrate for a magnetic disk
10/06/2010CN101853670A Subastrate for a magnetic disk and method of manufacturing the same
10/06/2010CN101853669A Glass substrate for magnetic disc and its manufacturing method
10/05/2010US7809084 Signal receiving circuit and signal input detection circuit
10/05/2010US7808874 Optical information reproducing method
10/05/2010US7808873 Optical information reproducing method
10/05/2010US7808864 Information reproducing method and apparatus
10/05/2010US7808750 Thin-film magnetic head comprising magneto-resistive effect device, and hard disk system
10/05/2010US7808749 Magnetoresistance effect element, substrate therefor and manufacturing method thereof
10/05/2010US7808748 Magnetoresistive element including heusler alloy layer
10/05/2010US7808747 Magnetoresistive effect element, magnetic head and magnetic recording/reproducing apparatus
10/05/2010US7808746 Method and apparatus for active control of spacing between a head and a storage medium
10/05/2010US7808743 Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time
10/05/2010US7808742 Thin-film magnetic head comprising shield/magnetic-pole layer having surface without right nor sharp angle
10/05/2010US7808741 Head slider and disk drive device
10/05/2010US7808740 Magnetic disk drive and control method thereof
10/05/2010US7808737 Magnetic disk drive
10/05/2010US7808736 Servo signal recording apparatus, servo signal recording method, and magnetic tape
10/05/2010US7808735 Magnetic disc controller and method
10/05/2010US7808733 Method and apparatus for transmitting and receiving digital video and audio information
10/05/2010US7808025 Electric field read/write head, method of manufacturing the same, and information storage device comprising the electric field read/write head
10/05/2010US7807338 disposing magnetic recording tracks concentrically, each of which includes sectors having data information recording area and control information recording area, forming separation groove including photoresist layer; photomasks; lithography
10/05/2010US7807278 Perpendicular magnetic recording medium and magnetic storage apparatus
10/05/2010US7805830 Head gimbal assembly loading with fixed mounting surface
10/05/2010US7805828 Method of manufacturing thin-film magnetic head
10/05/2010US7805827 Method of producing a magnetic head slider
09/2010
09/30/2010WO2010111181A1 Shielded perpendicular magnetic recording head
09/30/2010WO2010110753A1 A magnetic media tester and a method of magnetic media testing
09/30/2010WO2010109851A1 Lubricant composition and use thereof
09/30/2010WO2010109822A1 Thermally assisted magnetic recording medium, and magnetic recording/reproducing device
09/30/2010WO2010109538A1 Magnetic disc, magnetic disc manufacturing method and magnetic disc device
09/30/2010US20100247978 Method of manufacturing a substrate for a magnetic disk
09/30/2010US20100247977 Subastrate for a magnetic disk and method of manufacturing the same
09/30/2010US20100247976 Glass substrate for a magnetic disk and method of manufacturing the same
09/30/2010US20100247975 Method for producing double-sided evaporation film, double-sided evaporation film intermediate, double-sided evaporation film and magnetic recording medium support
09/30/2010US20100247974 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus
09/30/2010US20100247973 Reduced-environmental-impact magnetic sheet systems
09/30/2010US20100247971 Lubricant composition, magnetic recording medium, and novel polyether compound
09/30/2010US20100247970 Resist composition, resist layer, imprinting method, pattern formation, method for producing magnetic recording medium, and magnetic recording medium
09/30/2010US20100247969 System, method and apparatus for multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media
09/30/2010US20100247968 Magnetic tape cartridge
09/30/2010US20100247967 Magnetic element utilizing free layer engineering
09/30/2010US20100247966 Tunneling magneto-resistive spin valve sensor with novel composite free layer
09/30/2010US20100247965 Perpendicular magnetic recording medium
09/30/2010US20100247964 Perpendicular magnetic recording medium and method of manufacturing the same
09/30/2010US20100247963 Perpendicular magnetic recording medium
09/30/2010US20100247962 Perpendicular magnetic recording medium and magnetic recording and reproducing apparatus
09/30/2010US20100247961 Perpendicular magnetic recording medium, method of manufacturing the medium and magnetic recording and reproducing apparatus
09/30/2010US20100247960 Patterned ecc and gradient anisotropy media through electrodeposition
09/30/2010US20100246073 Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction method
09/30/2010US20100246072 Hard disk drive
09/30/2010US20100246070 Head stack assembly and hard disk drive having the same
09/30/2010US20100246069 Hard disk drive
09/30/2010US20100246068 Hard disk drive
09/30/2010US20100246067 Magnetic Head Suspension
09/30/2010US20100246066 Head slider, storage device, and method of manufacturing head slider
09/30/2010US20100246065 Suspension with additional bonding pads, head gimbal assembly and disk drive unit with the same
09/30/2010US20100246064 Lubricant compound for a magnetic disk, magnetic disk, and method of manufacturing the same
09/30/2010US20100246063 Method of manufacturing hexagonal ferrite magnetic powder, magnetic recording medium and method of manufacturing the same
09/30/2010US20100246062 Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches
09/30/2010US20100246061 Shielded Perpendicular Magnetic Recording Head
09/30/2010US20100246060 Perpendicular magnetic recording medium and magnetic recording and reproducing apparatus
09/30/2010US20100246057 Servo writer providing a pre-writing, longitudinal magnetic bias in a magnetically unoriented tape supply
09/30/2010US20100246056 Determination of wedge offset correction values for a disk drive
09/30/2010US20100246055 Storage device
09/30/2010US20100246054 Magnetic Recording And Reading Device
09/30/2010US20100246048 Preamplifier and method for synchronization with bit patterned media
09/30/2010US20100246047 Magnetic head and information storage device
09/30/2010US20100246046 Magnetic transfer method and magnetic transfer master carrier
09/30/2010US20100246045 Magnetic recording medium, magnetic recording method, and magnetic recording apparatus
09/30/2010US20100242263 Manufacturing method for magnetic head supporting suspension and suspension assembly used in manufacturing method
09/30/2010DE102010010893A1 Electrical circuit, particularly for revolution counter, comprises sensor element, in which modification of magnetization is produced and stored without power supply
09/30/2010CA2754668A1 Shielded perpendicular magnetic recording head
09/29/2010EP2234106A1 Magnetic recording medium, magnetic signal reproduction system and magnetic signal reproduction method
09/29/2010EP2234036A1 Magnetic head
09/29/2010EP2231798A1 Coatings and methods for particle reduction
09/29/2010EP1399919B1 Write output driver with internal programmable pull-up resistors
09/29/2010CN1839443B Apparatus and method for searching for writable area, apparatus and method for updating recording management information, integrated circuit
09/29/2010CN1658318B Method for recording data against adjacent magnetic track erase and storage medium therefor
09/29/2010CN1551198B Information recording medium, method and device thereof
09/29/2010CN101848601A Printed circuit board and method of manufacturing the same
09/29/2010CN101847418A Method for manufacturing disc-shaped substrate and tool for receiving disc-shaped substrate
09/29/2010CN101847417A System, method and apparatus for multiple anisotropy layered magnetic structures for controlling reversal mechanism and tightening of switching field distribution in bit patterned media
09/29/2010CN101847416A Manufacturing method of suspension for support of magnetic head
09/29/2010CN101416153B Systems and methods for the implementation of a digital images schema for organizing units of information manageable by a hardware/software interface system
09/29/2010CN101211566B Mobile terminal and hard disk protection method
09/29/2010CN101097763B Magnetic head tabs combination, and its manufacture method, and disk drive unit
09/29/2010CN101051470B Suspension, and head gimbal assembly and disk drive using the same
09/28/2010US7805641 Test apparatus for regulating a test signal supplied to a device under test and method thereof
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