Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/2003
12/04/2003US20030224211 Preseed layer for a magnetic recording disk
12/04/2003US20030224210 Magnetic recording medium
12/04/2003US20030224209 Magnetoresistance effect film and spin valve reproducing head
12/04/2003US20030224170 Magnetic carbon nanotube
12/04/2003US20030224103 Magnetoresistance effect film and method of forming same
12/04/2003US20030224084 Method for manufacturing master substrate used for manufacturing grooved molding substrate, method for manufacturing stamper for manufacturing grooved molding substrate, method for manufacturing grooved molding substrate, grooved molding substrate, memory medium, memory device, and computer
12/04/2003US20030223316 Information recording and reproducing head, information recording and reproducing apparatus, and information recording method
12/04/2003US20030223287 Virtual Vbias circuit
12/04/2003US20030223158 Magnetoresistive device and method of manufacturing same, and thin-film magnetic head and method of manufacturing same
12/04/2003US20030223157 Side flux guide for current perpendicular to plane reader
12/04/2003US20030223156 Recording/reproducing separated type head
12/04/2003US20030223155 Thin film piezoelectric element and its manufacturing method, and actuator using the same
12/04/2003US20030223154 Method for encapsulation of a U shape micro-actuator
12/04/2003US20030223153 Head suspension assembly having an air deflector
12/04/2003US20030223152 Copper gimbal and gimbal damping for integrated lead suspension
12/04/2003US20030223151 Magnetic head and rotary head drum device
12/04/2003US20030223150 Method of protecting the pole piece of a magnetic head during the ion mill patterning of the yoke
12/04/2003US20030223149 Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing system
12/04/2003US20030223147 Magnetic recording apparatus
12/04/2003US20030223143 Apparatus and method for controlling write current supplied to head
12/04/2003US20030223141 Recording/reproducting apparatus and recording/reproducing method using rotary magnetic heads
12/04/2003US20030222645 Magneto-resistive device with built-in test structure and method for determining resistance and track width
12/04/2003US20030222048 Method for manufacturing porous structure and method for forming pattern
12/04/2003US20030221309 Modular dice system for slider bar parting
12/03/2003EP1367592A2 Thermally stable ferroelectric memory
12/03/2003EP1367586A1 Positioning control device and positioning control method
12/03/2003EP1367567A2 Magnetic recording medium
12/03/2003EP1367087A2 Polyester film and recording tape
12/03/2003EP1367031A1 Magnetic head-use sealing glass, magnetic head and magnetic recording/reproducing device
12/03/2003EP1221163B1 Longitudinal magnetic recording heads with variable-length gaps
12/03/2003CN2590126Y Disk drive implanted servo system
12/03/2003CN2590125Y Disk driver
12/03/2003CN2590124Y EMI prevent and casing sealing structure of disk drive
12/03/2003CN2590123Y Magnetic head structure
12/03/2003CN1460272A Magnetic multilayer structure with improved magnetic field range
12/03/2003CN1460250A Magnetic storage medium, method of controlling track pitch of medium, and magnetic recorder for medium
12/03/2003CN1459794A Heat stable ferroelectric body memory
12/03/2003CN1459777A 磁读取头 Magnetic read head
12/03/2003CN1129905C Full width erase head assembly for magnetic reproducer
12/03/2003CN1129899C Magnetic disk unit with impact force applying mechanism
12/03/2003CN1129895C Information recording method and device
12/03/2003CN1129894C Multi layer magnetic recording media
12/03/2003CN1129893C Method for producing combined sensor and supporting assembly, and disk driver
12/03/2003CN1129892C High coercitive laminated hart magnetic layer for magnetically stabilized self rotary valve sensor
12/03/2003CN1129891C Magnetic head device and magnetic recording means using same
12/03/2003CN1129721C Magnetic disk storage with fluid dynamic bearing
12/02/2003USRE38340 Multi-point bending of bars during fabrication of magnetic recording heads
12/02/2003US6658201 Data storage device having multiple heads traveling in opposite directions for capacity and throughput optimization
12/02/2003US6657830 Magnetoresistive magnetic sensor with tunnel effect and magnetic storage apparatus
12/02/2003US6657829 Tunneling magnetoresistive device
12/02/2003US6657828 Magnetic transducer with a higher rate and larger magnitude of resistance change
12/02/2003US6657827 Head
12/02/2003US6657826 Magnetoresistive device and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head gimbal assembly and hard disk drive
12/02/2003US6657825 Self aligned magnetoresistive flux guide read head with exchange bias underneath free layer
12/02/2003US6657824 Magnetoresistive effect magnetic head, rotary magnetic head apparatus, and manufacturing method thereof
12/02/2003US6657823 Differential detection read sensor, thin film head for perpendicular magnetic recording and perpendicular magnetic recording apparatus
12/02/2003US6657822 Magnetic disk apparatus
12/02/2003US6657821 Hand suspension with compliant locating feature
12/02/2003US6657820 Magnetic head slider
12/02/2003US6657819 Magnetic head having protrusion on medium opposing surface and magnetic recording apparatus
12/02/2003US6657816 Thin film inductive read/write head with a sloped pole
12/02/2003US6657815 Thin film magnetic head and method of manufacturing the same
12/02/2003US6657814 Transducing head for tape drive
12/02/2003US6657813 Perpendicular magnetic recording system
12/02/2003US6657811 Mobile device and disk drive having a seek current profile responsive to an environment signal
12/02/2003US6657810 Disk drive employing separate read and write repeatable runout estimated values for a head having a read element offset from a write element
12/02/2003US6657809 Method and apparatus for positioning a transducer using a phase difference in surface profile variations on a storage medium
12/02/2003US6657807 Magnetic recording/playback apparatus and method
12/02/2003US6657806 Method for detecting damage to the transducer head and/or tape guide of an interactive media device
12/02/2003US6657805 Method of controlling read write operation of a magnetic disk apparatus
12/02/2003US6657804 Magnetic recording disk drive
12/02/2003US6657802 Phase assisted synchronization detector
12/02/2003US6657801 Disk drive with improved characterization segment pattern and method of recording the same
12/02/2003US6657430 Noncontact type magnetic hear wear-rate measuring apparatus
12/02/2003US6657428 Apparatus and method for restoring stability to head of disc drive
12/02/2003US6656614 Method for manufacturing magnetic media with textured CSS landing zone formed by ion implantation, and media obtained thereby
12/02/2003US6656613 Multilayer magnetic recording media with columnar microstructure for improved exchange decoupling
12/02/2003US6656604 Magnetoresistive thin-film magnetic element and method for making the same
12/02/2003US6656538 Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film pattern
12/02/2003US6656372 Methods of making magnetoresistive memory devices
12/02/2003US6656333 Process for making patterned magnetic recording media employing a nonfunctional lubricant
12/02/2003US6655847 Pivot bearing assembly
12/02/2003US6655009 Dual mask process for making second pole piece layer of multiple write heads with high resolution narrow track width second pole tip
12/02/2003US6655008 Method of making a dual GMR read head with self-pinned layer and specular reflector
12/02/2003US6655007 Method of making a read sensor for a merged magnetic head with self-aligned low resistance leads
12/02/2003US6655006 Provides tunnel junction sensor with low coupling field between pinned and free layers and low resistance to tunneling current
12/02/2003US6655005 Magnetic head positioning apparatus using boundary line detecting method
12/02/2003US6655002 Symmetrical build up of material on each side of structure, thus reducing mechanical stress
11/2003
11/30/2003CA2430272A1 System and method for improved retroactive recording and/or replay
11/27/2003WO2003098611A1 Method for recording data on optical recording medium, device for recording data on optical recording medium, and optical recording medium
11/27/2003WO2003098606A1 Perpendicular magnetic recording media with an amorphous underlayer
11/27/2003US20030220751 Method and apparatus to verify disc drive vibrational performance
11/27/2003US20030220050 Removable lapping guide for magnetic recording haed and method of use
11/27/2003US20030219984 Method of etching a magnetic material
11/27/2003US20030219980 Pattern forming method, method of making microdevice, method of making thin-film magnetic head, method of making magnetic head slider, method of making magnetic head apparatus, and method of making magnetic recording and reproducing apparatus
11/27/2003US20030219631 Magnetic recording medium and method for manufacturing the same
11/27/2003US20030219630 Perpendicular magnetic recording medium
11/27/2003US20030219629 Flexible support, a first recording layer, an intermediate layer and a second recording layer in this order, wherein the second recording layer comprises a ferromagnetic metal alloy comprising Co, Pt and Cr, and a nonmagnetic oxide.
11/27/2003US20030219628 Magnetic recording medium
11/27/2003US20030219627 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus