TH19932B - Magnetic contact disc file with resistive magnetic reading recognition sensor. - Google Patents

Abstract

The magnetic contact solid recording disk file uses a magnetic resistive (MR) sensor for reading the data recorded on the disk. The disk file may be the liquid bearing type of the contact recording with the MR sensor supported on the follow tip. of carriers riding on fluid bearings. Plate file performance is enhanced by combining paths for minimizing the effect of wave modulation. The wave modulation was determined to be caused by the variability of the temperature-sensitive MR sensor and the temperature-raising plate by the plate, where the temperature variation was directly related to the variation in the head-plate distance caused by the MR. The ripple of the pilter disk surface may be integrated with the disk file read signal processing circuit to eliminate wave mixing. The lowest signal and the carrier part in contact with the disc surface may be chosen to have a length less than the undulating period of the disc so that it follows more closely than the topography of the disc surface.

Claims (1)

1. The disk file, which consists of Hard magnetic recording plate for data storage Path connected to the plate for turning the plate. Magnetic resistance head To generate a response signal to the magnetic data recorded on the plate, the magnetic resistance head has a temperature higher than the temperature of the plate. A carrier which supports a magnetic resistor And is in contact with the plate during reading by the magnetic resistor, the temperature of the magnetic resistance head, and simultaneously, its electrical resistance is proportional to the gap variation between the magnetic resistor and the lower temperature plate while Where the plate rotates to the carrier it is in contact with The path to process the signal from the magnetic resistor, the signal received by the processing path with baseline modulation is the result of such a variation in the electrical resistance of the magnetic resistor. Paths for minimizing such baseline modulation and A path that connects the carrier to move the carrier and the supported magnetic resistor across the plate. 2. The disk file according to claim 1, where the disk is combined with a liquid film on its surface to provide bearing fluid, and where the carrier is joined by a path to support the carrier on the bearing fluid. 3. The disk file according to claim 2, where the carrier is combined with ski feet for moving on a film of liquid. 4. The disk file according to claim 2, where the carrier is included with a number of cushion for plowing through a film of liquid. 5. The disc file according to claim No. 1, where the carrier is included with the wear-resistant surface to be removed during contact with the plate. 6. The disk file according to claim No. 5, where the disc is combined with lubricant on its surface for contact by carrier wear surface. 7. The disk file according to claim 1, which is supplemented by means of keeping the carrier in contact with the plate and where the carrier and the means to keep the carrier in contact, is built as a head hanger, head hanger. Including a wear-resistant surface to make contact with the plate. 8. The disk file according to claim No. 7, where the plate is combined with lubricant on its surface for contact by its surface, for contact by the wear-resistant surface of the head hanger. 9. The disk file according to claim No. 1, where the baseline modulation path is minimal, also includes a path for filtering the baseline modulation signal generated by the magnetic resistor 1. 0. The disk file according to claim No. 1, where the pathway minimizes baseline modulation, also includes a path to maintain the magnetic resistor temperature below the preset value 1 1. The log file according to claim 1, where the path for the baseline modulation is minimal, is composed of such a magnetic resistor head with a preset height so that the ratio of the modulation signal is possible. The baseline per amplitude of the magnetic signal perceived by the magnetic resistor is approximately less than 0.2. 1. 2. The disk file according to claim No. 1, where the path for the modulation of the line The base is minimal, comprising a path to supply to the magnetic resistor with current to ass, which is the ratio of the baseline modulation signal to the amplitude of the magnetic signal perceived by The magnetic resistor is approximately less than 0.2. 1. 3. The disk file according to claim No. 1. In order to minimize baseline modulation, the baseline modulation signal generated by the magnetic resistor is less than twenty percent of the magnetic signal amplitude perceived by the head. Magnetic resistance 1 4. The log file according to claim 1, which is supplemented with an inductive burner connected to the carrier for writing data on the plate 1. 5. A magnetic disk drive unit, which includes: Hard magnetic recording disk with a wavy surface Motor connected to the plate for rotating the plate. Magnetic resistive read receivers to perceive magnetically recorded data from plates and to generate signals, the read receivers are heated by electric current. The carrier which supports the read sensing machine and is in contact with the disc during the perception of the read sensor, the gap between the read sensor and the surface of the plate which varies as the plate rotates, due to waviness. Of the surface of the plate Actuators connected to the vectors to move the vectors, usually radially, across the disk so that the readings may reach different regions of the information on the plate. A path linked to the read receiver to process the signal from the read receiver, the signal from the read receiver combined with the baseline modulation induced by the gap between the sensing machines. Read the heat and the surface of the plate. Pathways to reduce such induced baseline modulation and Route to support the motor and actuator 1 6. The disk drive unit is recorded according to claim 15, where the disc is combined with a liquid film on its surface to provide fluid bearings and where the carrier is combined with the path. Way to support the carrier on the bearing fluid 1 7. Record drive unit according to claim 16, where the carrier is combined with ski feet for moving on a film of fluid 1 8. Record drive unit according to claim No. 16 where the carrier is included with a number of pads for plowing through a film of fluid 1 9. Record drive unit according to claim 15, where the carrier is combined with a wear-resistant surface, exiting during contact with the plate. 2 0. Record drive unit according to claim 19, where the disk is combined with lubricant for contact by carrier wear surface 2 1. Record drive unit according to claim 19 where the carrier is a hanger. The combination head, the combination head hanger has a wear-resistant face to make contact with the plate, and where the combined head hanger is combined with the hanger to maintain the wear-resistant surface generally in contact with the plate. Rights No. 21 where the plate is combined with lubricant to make contact by the wear-resistant surface of the head hanger 2 3. Drive unit. Record plate according to claim 15, where the baseline modulation reduction path also includes a path for filtering the baseline modulation signal generated by the magnetic resistance reader 2. 4. Drive unit. Record plate according to claim 15, where the path to reduce baseline modulation consists of a pathway to maintain the temperature of the heated magnetic resistance reading sensor below a predetermined value. Advance 2 5. The disk drive unit, according to claim 15, where the path to reduce baseline modulation is equipped with such a magnetic resistive reading sensor with a predetermined height so that That the ratio of the baseline modulation signal perceived by the magnetic resistance-to-amp reader The amplitude of the magnetic signal perceived by the resistive reading sensor is approximately less than 0.2. 2. 6. Record drive unit according to claim 15, whereby pathways to reduce line modulation, The base is assembled with insulating material in the receptacle gap of the pre-determined thermal conductivity gauge, sufficient to cool the resistive magnetic reading sensing quantity so that the ratio Of the baseline modulation signal perceived by the resist-magnetic reading sensor, the amplitude of the magnetic signal perceived by the resist-magnetic reading sensor is approximately 0.2 less. 7. The disk drive unit is recorded in accordance with claim No. 15, where the path to reduce baseline modulation consists of a path for supplying to a bias-resistive magnetic reading sensor, which has The value that the ratio of the baseline modulation signal to the amplitude of the magnetic signal perceived by the resistive reading sensor is approximately less than 0.2. Hold right No. 15, where pathways to reduce baseline modulation will reduce signal modulation. Less than twenty percent of the amplitude of the magnetic signal is perceived by the resistive reading sensor 2 9. Record drive unit according to claim 15, which is additionally assembled with the head. Write a carrier connected inductor for writing data on a plate 3 0. The disc file, which includes Hard magnetic recording disk for data acquisition, wavy surface plate Trajectory connected to the plate for rotation Magnetic resistance head To generate a response signal to the magnetic data recorded on the plate, the magnetic resistance head has a temperature higher than the temperature of the plate. The carrier which supports the magnetic resistor and is in contact with the disk during the reading by the magnetic resistor, the carrier part that contacts the plate that is less than the wavy period of the plate surface to make the channel variation between The magnetic resistors and the lower temperature of the disk surface while the rotating disk are minimal, where variations in temperature and simultaneously the electrical resistance of the magnetic resistors are minimized. The path to process the signal from the magnetic resistor, the signal received by the processing path with the baseline modulation signal, due to such electrical resistance variation, less than twenty percent of the amplitude. Of the magnetic signal perceived by the magnetic resistor is the result of such gap variation minimized by the length of the carrier part in contact with the plate and A path connecting the carrier to move the resistive carrier supported across the plate 3. 1. A magnetic recording disk drive unit, which includes Hard magnetic recording disk with a wavy surface Motor connected to the plate for rotating the plate. To perceive the magnetically recorded data from a plate, the reading sensor is heated by an electric current. The carrier which supports the read sensing machine and is in contact with the disc during the perception of the information by the read sensor, the carrier part that comes into contact with the plate which is less than the wavy period of the plate surface, Where the gap variation between the heated reading senser and the surface of the plate as the turntable is reduced. Actuators connected to the vectors to move the vectors, usually radially, across the disk so that the readings may reach different regions of the information on the plate. The path associated with the read receivers to process the signals from the read receivers, the signals from the read receivers are modulated baseline induced by the gap variation between the read receivers. The readings were heated and the plate surface was minimal as a result of the variation. The gap was reduced by the length of the carrier part in contact with the plate and Pathways to support the motor and actuator