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)
11/1999
11/30/1999US5995324 Pseudo-contact slider with recessed magneto-resistive transducer
11/30/1999US5995322 Magnetic disk apparatus
11/30/1999US5995321 Carriage structure for disk device
11/30/1999US5995318 Head positioning control system for disk drives each formed by assembling disks after servo control information is written externally on respective disks and disk drive
11/30/1999US5995317 Method and apparatus for real-time filtering of a position error signal for a disk drive servo system
11/30/1999US5995316 initialization method and apparatus for a runout cancellation method
11/30/1999US5995315 Servo system for following a magnetic track having identifying pulse widths
11/30/1999US5995313 Thermal asperity suppression using high speed shorting and baseline compensation
11/30/1999US5995312 High capacity disk drive
11/30/1999US5995311 Head switch sequence to protect magneto-resistive (MR) head
11/30/1999US5995310 Magnetic disk device with dummy write function
11/30/1999US5995309 Magnetic recording medium
11/30/1999US5995306 Handling defective frames on hard sectored magnetic tape
11/30/1999US5995305 Disk drive using off-track margin to obtain optimal performance parameters
11/30/1999US5994899 Asymmetrical magneto-impedance element having a thin magnetic wire with a spiral magnetic anisotropy
11/30/1999US5994760 Device having a low threshold voltage for protection against electrostatic discharges
11/30/1999US5994485 Binder comprises a vinyl chloride/vinyl acetate copolymer characterized in that it has a peak at a signal position of from 6.0 to 8.0 ppm in the 1 h-nmr measurement.
11/30/1999US5994035 Overcoating with protective film and photoresist; development;etching
11/30/1999US5993982 Method and apparatus for evaluating durability of magnetic disk
11/30/1999US5993956 Co or co alloy film forming a magnetic recording layer forming crystalline grains having boundaries therebetween; and manganese or a solid solution mn alloy layer disposed between said substrate and said magnetic layer
11/30/1999US5993948 Magnetic recording medium
11/30/1999US5993938 Aromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same film
11/30/1999US5993914 Inserting preheating polycrystalline ceramic substrate,submerging substrate in molten glass in a furnace, withdrawal and cooling susbstrate
11/30/1999US5993566 Magnetic transducers for reading information signals from a magnetic medium and, in particular, to an improved process for fabrication of a spin valve magnetoresistive read sensor.
11/30/1999US5993290 Magnetic head grinding method and apparatus
11/30/1999US5992783 Method of tape attachment to a tape cartridge reel
11/30/1999US5992004 Method for producing a thin film magnetic head
11/30/1999CA2041366C Recording and/or reproducing apparatus for using magneto-optical disc
11/25/1999WO1999060571A1 Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern
11/25/1999WO1999060570A1 Surface hardened swage mount for improved performance
11/25/1999WO1999060567A1 Asynchronous analog demodulator and method for a null-type servo pattern
11/25/1999WO1999060566A1 Asynchronous digital demodulator and method for a null-type servo pattern
11/25/1999WO1999060565A1 Surface hardened swage mount for improved performance
11/25/1999WO1999060562A2 Recording apparatus provided with a write driver circuit
11/25/1999WO1999060554A1 Heterogeneous display elements and methods for their fabrication
11/24/1999EP0959473A2 Method and apparatus for recording block signal
11/24/1999EP0959470A1 Calibrating write pre-equalisation in a data storage device
11/24/1999EP0959469A1 Double pulse write driver
11/24/1999EP0959468A1 Double pulse write driver
11/24/1999EP0959461A1 Magnetic recording medium and manufacturing method thereof
11/24/1999EP0959460A1 A method and system for writing a timing-pattern on a storage medium
11/24/1999EP0959459A1 A method and system for determining which of a plurality of heads in a recording device writes the widest track
11/24/1999EP0959458A1 Disk device
11/24/1999EP0959457A1 Disk device
11/24/1999EP0959456A1 Disk device
11/24/1999EP0959455A1 Disk device
11/24/1999EP0959454A2 Magnetic recording apparatus
11/24/1999EP0959146A2 Dual chamber ion beam sputter deposition system
11/24/1999EP0959097A2 Composite polyester film and magnetic recording medium.
11/24/1999EP0958577A2 Recording and reproduction of an information signal in a short play and a long play mode
11/24/1999EP0896734A4 All-metal, giant magnetoresistive, solid-state component
11/24/1999EP0896714B1 Esd protection of magnetic heads
11/24/1999EP0652553B1 Magnetic recording medium
11/24/1999CN1236504A Automatic gain control circuit, e. g. for use in a hard disk drive
11/24/1999CN1236290A Circuit board
11/24/1999CN1236155A Mounting structure for magnetic head
11/24/1999CN1236154A 磁头 Magnetic head
11/23/1999US5991698 Electrical lap guide data acquisition unit and measurement scheme
11/23/1999US5991497 Method and apparatus for recording and reproducing trick play data to and from a digital video tape
11/23/1999US5991242 Magnetic head drive device, and magneto-optical recording apparatus using the same
11/23/1999US5991127 Magnetic head and tape path cleaning tape
11/23/1999US5991126 Perpendicular magnetic recording and perpendicular magnetic reproducing apparatus
11/23/1999US5991125 Magnetic head
11/23/1999US5991124 Rotary disc drive actuator utilizing plural axially spaced and partially overlapped voice coils
11/23/1999US5991123 HDD head stack assembly having conductive traces supported by the sides of the actuator arm to extend in planar arrays
11/23/1999US5991122 Method for designing a suspension having weakening structures for resonance-optimized side profile
11/23/1999US5991121 Head assembly having short circuit pattern short-circuiting a pair of lead lines
11/23/1999US5991120 Contact type magnetic disk apparatus
11/23/1999US5991119 Proximity head slider having recessed magnetoresistive read transducer
11/23/1999US5991118 Slider for magnetic head and magnetic memory apparatus
11/23/1999US5991115 Method and apparatus for determining separation between read and write elements of a transducer
11/23/1999US5991114 Disc drive having gram load reducer and method of operating gram load reducer
11/23/1999US5991113 Slider with temperature responsive transducer positioning
11/23/1999US5991112 Non-contact servotrack writing with phase sensitive detection
11/23/1999US5991111 Edge recorded magnetic tape and read head
11/23/1999US5991110 Thin film magnetic head and magnetic recording and reproducing apparatus
11/23/1999US5991109 Magnetic recording and reproducing apparatus with signal delay and selection
11/23/1999US5991107 Sychronous read channel
11/23/1999US5991106 AGC circuit of disk storage apparatus
11/23/1999US5991105 Recording apparatus wherein the recording circuit uses a first power supply or a second power supply
11/23/1999US5991104 Using servowriter medium for quickly written servo-patterns on magnetic media
11/23/1999US5990710 High performance write driver for magnetic inductive recording head
11/23/1999US5989728 Thin film magnetic recording medium having high coercivity
11/23/1999US5989716 Containing organic phosphorus compound in binder; excellent dispersion, smoothness and electromagnetic transfer
11/23/1999US5989703 Iron oxide magnetic powder and magnetic recording medium using the same
11/23/1999US5989690 Magnetoresistance effect film, a method of manufacturing the same, and magnetoresistance effect device
11/23/1999US5989680 Nonmagnetic polymer substrate, magnetic layer, backcoating layer; skewness of backcoating layer greater than skewness of magnetic layer
11/23/1999US5989674 Thin film disk with acicular magnetic grains
11/23/1999US5989673 Caromium-tantalum oxides (Cr-TaOx), sputtering targets and thin film seedlayer/sublayers for thin film magnetic recording media
11/23/1999US5989672 Magnetic recording medium
11/23/1999US5989671 Optical recording medium and manufacturing method thereof
11/23/1999US5989625 Injecting reactive gas with trifluorocarbon groups which bond chemically with the atoms in the surface of substrate
11/23/1999US5989516 Resistance to oxidation, uniform particle size, large saturation magnetization, high coercive force
11/23/1999US5987733 Method of making a flexure vertical motion stop
11/23/1999US5987725 Method for parting a slider from a slider row
11/18/1999WO1999059384A1 Processing system with dual ion sources
11/18/1999WO1999059150A1 Controlling a media master writing machine to produce curvilinear servo sector patterns
11/18/1999WO1999059146A1 Magnetic head and method of manufacture
11/18/1999WO1999059145A1 Method for reading both high and low density signals with an mr head
11/18/1999WO1999059144A1 Multi-dimensionally oriented magnetic field information storage system
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