Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/1997
12/23/1997US5700381 Method for manufacturing thin film magnetic head
12/23/1997US5700380 Simplified method of making vias for merged MR head
12/23/1997US5699605 Method for forming a magnetic thin film head with recessed basecoat
12/23/1997CA2108523C Magnetic disk apparatus with actuator control
12/18/1997WO1997048095A1 Bernouilly type flexible media stabilization for laser servowriting
12/18/1997WO1997048073A1 Magnetic rom card and method for writing magnetic signal on the card
12/18/1997DE19721320A1 Position error signal measurement method in magnetic hard disc drive
12/18/1997DE19717913A1 Operation method for hysteresis comparators for data reading
12/18/1997DE19706906A1 Magnetic head carrier suspension fixing to arm in disc drive
12/18/1997DE19651945A1 Adhering fastening suspension to hard disk drive tracking arm
12/17/1997EP0813188A1 Magnetic recording disk and magnetic recording and reproducing method
12/17/1997EP0813187A2 Disk drive with shock detection based on thermoresistive signal from magnetoresistive head
12/17/1997EP0813102A1 Monitoring of magnetically recorded data on film in photofinishing and film scanning equipment
12/17/1997EP0813070A2 Magnetic sensor with CMOS multivibrator
12/17/1997EP0812456A1 Method of texturing a substrate using a structured abrasive article
12/17/1997EP0812455A1 Magnetic head comprising a multilayer structure with electrically conducting head elements
12/17/1997EP0812454A1 Method of manufacturing a thin-film magnetic head, and magnetic head manufactured by means of the method
12/17/1997EP0767954A4 Digital vcr with non-standard speed playback
12/17/1997EP0706704B1 Magnetic recording media incorporating new crosslinking agent
12/17/1997CN1168189A System, apparatus and method for recording and reproducing information
12/17/1997CN1167983A Method of fixing suspension to actuator arm, and actuator arm assembly
12/17/1997CN1167982A Head position control for disk drive which performs recording about rotational center even if recorded servo information is eccentric
12/17/1997CN1167977A Rotary driving device and manufacturing method and device therefor
12/17/1997CN1167970A Cleaning tape
12/17/1997CN1167969A Magnetic head device and magnetic recording means using same
12/17/1997CN1167968A Magnetic head and magnetic head assembly
12/17/1997CN1167736A Glass-ceramic substrate for magnetic disk
12/16/1997US5699487 Artificial neural network read channel
12/16/1997US5699471 Magnetic recording and reproducing apparatus of video signals
12/16/1997US5699331 Apparatus operating with recording medium according to positional information of a secret code
12/16/1997US5699215 Non-magnetic magnetoresistive reading head using a Corbino structure
12/16/1997US5699214 Magnetic information detecting apparatus
12/16/1997US5699213 Magnetoresistive head having a magnetic domain control layer
12/16/1997US5699212 Method of electrostatic discharge protection of magnetic heads in a magnetic storage system
12/16/1997US5699211 Boxed leaf flexural pantographic mount for a magnetic transducing head assembly
12/16/1997US5699207 Chatter reduction in sliding mode control of a disk drive actuator
12/16/1997US5699204 Method and apparatus for the coherent demodulation of an amplified modulated carrier using a dual track and hold amplifier and the application of said method and apparatus to measurement of magnetic media performance
12/16/1997US5699203 Digital transmission signal processing system and recording reproducing system
12/16/1997US5699160 Optical apparatus for inspecting laser texture
12/16/1997US5698911 Voice coil motor
12/16/1997US5698839 Magnetically encodable card having magnetic pigment uniformly dispersed in plastic
12/16/1997US5698336 Magnetic recording medium
12/16/1997US5698335 Magnetoresistance effect element having bias films
12/16/1997US5698313 Nonmetallic support, magnetic layer containing ferromagnetic metallic powder dispersed in binder having negative functional group
12/16/1997US5698311 Improved sensitivity and signal to noise ratio in short wavelength region
12/16/1997US5698286 Nonmagnetic base, magnetic layer comprising magnetic powders and binder, and non-ferromagnetic layer comprising particulate iron oxide and resin binder
12/16/1997US5698272 Method for lubrication of diamond-like carbon surfaces
12/16/1997US5698271 Methods for the manufacture of magnetically responsive particles
12/16/1997US5698033 Apparatus for the production of a magnetic recording medium
12/11/1997WO1997047001A1 Textured magnetic recording medium having a transition zone
12/11/1997WO1997047000A1 Polymeric perfluoro polyether phosphate lubricant topcoat
12/11/1997WO1997046892A2 Magnetoresistance sensor having minimal hysteresis problems
12/11/1997DE19724019A1 Device for structuring hard disk substrate with thin metal coating
12/11/1997DE19721319A1 Servo information formation method for control of hard disc system
12/11/1997DE19709285A1 Head position control system for disc dive system
12/10/1997EP0811967A2 Magnetic head unit, method of manufacturing the same and magnetic recording and reproducing apparatus using the same
12/10/1997EP0811966A1 Semiconductor field detector magnetic recording and reproducing head
12/10/1997EP0811965A2 An azimuth record head for minimizing and equalizing crosstalk between tracks of opposite azimuths
12/10/1997EP0811875A1 Device for reading and writing data on magnetic recording layer of photo film
12/10/1997EP0811704A1 Surface modification of magnetic heads
12/10/1997EP0811478A2 Laminate film and magnetic recording medium using the same
12/10/1997EP0789912A4 Method and apparatus for fingerprinting and authenticating various magnetic media
12/10/1997EP0715757B1 Disk drive rotary actuator with rocking pivot
12/10/1997EP0681771A4 Gain control circuit for synchronous waveform sampling.
12/10/1997CN1167539A Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads
12/10/1997CN1167321A Magnetic disc reproducing device and method for controlling it
12/10/1997CN1167320A Data record method
12/10/1997CN1167317A Cassette box device
12/10/1997CN1167315A Glass-ceramic sustrate on magnetic disc and making method thereof
12/10/1997CN1167310A Magnetoresistance effect device
12/10/1997CN1036685C Information recording and reproducing apparatus
12/09/1997US5696921 System and method for allocating a write request on the same cylinder as a most recent read request on a rotating memory
12/09/1997US5696774 Digital signal recording device, digital signal playback device, and digital signal decoding device therefor
12/09/1997US5696755 System for minimizing the effects of scratches on recording media
12/09/1997US5696656 Highly sensitive orthogonal spin valve read head
12/09/1997US5696655 Self-biasing non-magnetic giant magnetoresistance
12/09/1997US5696654 Dual element magnetoresistive sensor with antiparallel magnetization directions for magnetic state stability
12/09/1997US5696653 Tooling for holding a head gimbal assembly
12/09/1997US5696652 Magnetic head device using an adhesive having both photosetting and thermosetting properties, and method for producing same
12/09/1997US5696651 Head assembly for recording and reproducing including a head supporting part having an adhesive adjusting pattern
12/09/1997US5696647 Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit
12/09/1997US5696646 Disk apparatus for monitoring error by setting timeout time upon seek
12/09/1997US5696645 Apparatus for protecting memory devices from external shock forces by using an integrating band pass filter
12/09/1997US5696643 Disk drive apparatus and read error recovery method in a disk drive apparatus
12/09/1997US5696641 Method using a biasing pattern on a magnetic storage media to reduce MR head noise
12/09/1997US5696585 Apparatus and method for efficient electrostatic discharge on glass disks in flying height testers
12/09/1997US5696460 Differential high speed inductive driver with a bidirectional current limiting output stage
12/09/1997US5696447 Magneto-resistive magnetic field sensor with pole pieces and increased sensitivity
12/09/1997US5696445 Method and apparatus for testing the resistive properties of magneto resistive materials using a time variable magnetic field
12/09/1997US5695864 Electronic device using magnetic components
12/09/1997US5695858 Comprising at least two ferromagnetic layers and nonmagnetic conductive layer alternately stacking together
12/09/1997US5695657 Thin film magnetic head and method for producing same
12/09/1997US5695656 Method for fabricating a magnetic thin-film head
12/09/1997US5695565 Wear resistance; lubricity
12/09/1997US5695387 CSS magnetic recording head slider and method of making same
12/09/1997US5694701 Coated substrate drying system
12/09/1997US5694677 Method for manufacturing thin film magnetic head
12/04/1997WO1997045883A1 Magneto-resistance effect element, magneto-resistance effect type head, memory element, and method for manufacturing them
12/04/1997WO1997045855A1 Highly tetrahedral amorphous carbon films and methods for their production
12/04/1997WO1997045834A1 Recording media having protective overcoats of highly tetrahedral amorphous carbon and methods for their production