TW201003386A - Hard disc of protection against power interruption and method thereof - Google Patents

Abstract

A hard disc of protection against power interruption includes a storage unit, a read/write control unit, a power input interface, a power supply unit and a power control unit. The power input interface receives an external power. The power supply unit provides an internal power. The read/write control unit is used to read/write data to the storage unit. The power control unit determines whether the external power is failure and controls either the external power or the internal power to be provided to the read/write control unit according to the above determining result. Whereby the present invention can make the read/write control unit use the internal power to write date to the storage unit when the external power is failure.

Description

201003386 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a material storage device, a hard disk device having a power-off protection function, and a power-off protection method. About [Prior Art] For hard disk devices, this hard disk device is often stored in a computer because of the non-volatile storage of the 庐罟 古 庐罟 ; ; , , , , , , , , , , The main reason is that the hard disk device is made of the medium material for storing the data inside, and the height and the height of the ^lt are generally from the distance of the disc 〇~~ The write head will return to the position H. When the hard disk is cut When the farm is powered, read the track. + The write head hits the disc, and the bad on the surface of the disc is for the hard-eye two pairs of the installation, for the related: protection mechanism, mainly homing to the fixed position ^ "When" how to make the head can be smooth Supply, so that reading and writing can provide a short power supply in the hard disk shock and this short-term power supply; source supply can be homing, supply source. However, the power stored in the capacitor in advance as a means of protection, hard The disc of the disc device provides anti-failure fly 2;:: The loss of the disc will cause the hard drive device to suddenly lose power when writing to her disc device. How to make the job of writing data can be completed by Chuan Baili. It is already an important issue to be overcome in 2 2 5 201003386. [Invention content] The technical problem to be solved in the material tr month is to provide a plug-in protection hard disk t-set and its power-off protection method to power off 4 power-off power station The result of the failure of the writer's data is clear, and the hard disk is known to be hard disk. If the external power supply is powered off, the power supply can be supplied through the power supply, so that the hard disk device can continue to be carried out and the hard disk can be read when it is turned off. Write the business of Chuanchuan Li 2, Another invention of the invention is to provide a hard disk device and a power-off protection method thereof, which enable the hard disk protection function power supply to have a high energy storage density, so as to discriminate the source when the power is off, there is still a segment buffer. The time can continue to be completed. 1. In order to solve the above technical problem, according to the present invention, a hard disk device with a protection function is provided, including: =, a pair of storage units for data reading. The read and write control of the write action is divided into two parts: the power supply input interface, the internal power supply J supply unit and a power control unit. The internal power supply is provided by the small power valley, and the external power supply It is used to enter the magnetic capacitor _, the power control unit determines whether the external power supply is powered off, and supplies power to the read/write control unit according to one of the external power supply and the internal power supply to be controlled. The power control unit controls the external = source = when the read/write control unit is given, and when the external power supply is cut off, the power supply is controlled, and the internal power supply is controlled to the read/write control unit. 01003386 In the embodiment of the present invention, the power supply unit includes a storage module, a charging unit and a discharge unit, a charging unit=storage=group for charging control, and a discharge unit for power storage=discharge control. In the embodiment of the present invention, the power storage module includes a small magnetic capacitor, and the magnetic capacitor includes: a first magnetic Z - second magnetic electrode, and is disposed on The first - the impurity electrode and the second =

A dielectric layer between the poles. The dielectric layer is used for storing electrical energy, and the L-shaped electrode and the second magnetic electrode system respectively have a plurality of magnetic dipoles to == the electrical energy stored in the dielectric layer is leaked. In order to solve the above technical problem, the present invention provides a power supply protection method for a hard disk device, including: a power supply unit for providing an internal power supply to the hard chandelier] With: at least - magnetic capacitor; then use a hard-external power supply to charge the magnetic capacitor, so that the power supply #菜断output an internal power supply; then judge the external power supply is ^ early = can be the result of the external power supply is normal In the external electric shock right judgment, the read/write control unit is used; and if the judgment result is the evening disc device, the internal power supply is used for the read/write control unit.] The power supply is powered off, so the present invention is overcome. The main θ t is provided with a 4-source power supply unit, and when the hard disk device is a hard disk device, the internal power supply is provided for the hard disk device, and the hard power supply unit is charged and charged by the magnetic capacitor. The power supply in the medium, due to the magnetic characteristics of the high energy density density of the main components, so that the hard disk device can be used when the external power supply is powered off, so that it can be made Hard to write the data can be, after the end of time, the whistle wrote a good 201003386 homing, and let the hard disk device be able to shut down normally. The detailed description and the drawings which can be entered as 3 ==^ months are as follows: for the other purposes and advantages of ==: Ming, will be in the following 4 [Embodiment] f The present invention provides _record ai The electric protection method, the hard disk device of the main electric protection function and thus the internal power supply of the internal device of the internal device of the internal device, the internal power supply, the internal power supply, the electric power supply unit can still complete the operation through the internal Avoiding the data to be written can be done when the bedding is finished, so that it can be used in the write-off. When the county is shut down, the head can be cut off and protected. In the embodiment of the present invention, there is a power-off protection diagram. The present embodiment is as follows: single-input interface two-electric two-control = 10 control '7::::...--storage unit 1 is powered by grass-making element 6 To ^ Thunder power control unit] 0 system control read ^ yuan 14 button * seeking the original power input interface 17 control m and then read and write control unit] 6 ~ r疋 power supply list = to operate, lang - right or wrong Yin got the power supply to Bessie. The memory of the early 19th written data 201003386 The hard disk device of the soil example 丨 the source of the power can be obtained For the power supply: the second is the supply unit 14, wherein the power input interface 12 is obtained through the external device of the hard disk device 1 - k Η is the internal secret hard disk device ^, =, power supply unit, 曰赍, tower pull suppression _ Ya can supply an internal power supply and electricity system as early as 10 can control the power supply and discharge. And the hard disk device! for 701 charge or unit Η) to determine whether the external power supply is provided, the control application is tied to The external power supply is positive _ / as the control basis, when the actual power is stopped, the power supply output of the power supply unit is supplied to the read/write control list, = 兀: the external power supply unit 14 performs charging; ^ to the control unit! Control power supply unit 14; ^ ^ power supply to the read and write control unit it 16 @ @出的 internal power supply external power supply (four) unit 10 control, immediately in the buy and write control unit 16 can still pass the internal power supply 1: co- During this period of time, the data is continuously written to the storage unit to prevent the hard disk from being placed! Whether the failure of writing data when the external power supply is powered off has been further monitored by the read/write control unit 16 Λ written in the storage unit 19 , such as reading and writing When the data is written to the storage unit 19, the internal power supply of the discharge unit in the mir power supply unit 14 has a power saving effect. Write f to (4) the source supply unit 14 has (4) t control · 1 unit 16 includes: a controller 160, data transmission, a retracing motor drive module 164 and a head drive module 168, a system of production and profit 16 (M system and data transmission module 162, motor drive 201003386 module 164 and read and write secret mobile 168 _ (10) ^ used to read and write data to the storage unit 19, motor drive _ = = is used to control the movement position of the head drive module 168 The drive module (10) can read and write data to the storage unit. The data transfer module 162 provides buffer data in the buffer device J. The data can be read from the storage unit and outputted through the data transfer interface 18 to the hard or J through The data transmission interface 18 receives the write-to-write person to store the single-disc 2 1 write = material. The controller 160 receives the data transmission interface 18

The write command or read command of Si!::, and according to this write command i = data transfer fine 162, motor drive module (6) and 5-bay write head turn, group 168 performs related control. The coordinated control of the motor drive molder 160 allows the correct position control on the disc to move the read/write head drive module 168 to the data capture or write data module 168 to read the aforementioned description from the disc. When the power supply unit 10 is powered off, the hard disk power control unit 10 can continue to operate on the external power, and the power supply unit 14 can be powered by the power supply unit 14, for example, at least the hard disk device 1 can work normally. The write data temporarily written in the storage unit '19 wedge group 1 can be repeatedly charged and discharged, and the magnetic power supply unit 14 of the present embodiment is magnetic capacitance of the magnetic capacitor system β ( maSnetic capacitor ), which sets the storage effect of each eve capacity, so when the internal power supply of the hard disk is turned off, the power supply unit 14 can be used for a long period of time. 10 201003386

. . The power supply unit it 14 & includes a power storage module H electrical unit 142 and a discharge unit 144, the power storage module 140 is to a magnetic capacitor, (4) in order to ensure that the power supply unit is hard disk The working time of the device 1 is extended, and the power storage module Μ0 is preferably designed to integrate a plurality of magnetic numbers in series and/or parallel connection manners: - The hard disk device i is used normally. Internal power supply. f Charge the power bank 140. The rose unit 144 is used for controlling the source control unit ig, and is used to supply the internal power of the power storage module to the read/write control unit 16. And the field 144 can be integrated with a DC/DC converter (: two CON TER) (figure omitted) to make the voltage specification of the internal power supply output compatible with the servo voltage specification of the read/write control unit 16, The /DC conversion ϋ can also be set to the power supply unit ig' to achieve the same effect. Referring to the second figure, it is a schematic diagram of a magnetic capacitor according to an embodiment of the present invention. The magnetic capacitor 1 in the power storage module (10) shown in the second figure comprises a dielectric layer 2, a first magnetic pole 22 and a second magnetic electrode 24, wherein the dielectric layer 2〇 The first magnetic electrode 22 and the second magnetic electrode 24 are disposed between the first magnetic electrode 22 and the second magnetic electrode 24 to store potential energy, and the first magnetic electrode 22 and the second magnetic electrode are disposed. The 24 series is made of a magnetic conductive material, and can be magnetized by applying an electric field to the first magnetic electrode 22 and the second magnetic electrode to form magnetic dipoles in the first magnetic electrode 22 and the second magnetic electrode 24, respectively. (magnetic dipole) 26, 28, so 11 201003386 to affect the movement of charged particles by forming a magnetic field in the magnetic capacitor 2, so that the dielectric layer 2 in the magnetic capacitor 2 can be used to store electricity and The magnetic field formed by the magnetic dipoles 26, 28 prevents electrical energy leakage. The material of the first magnetic electrode 22 and the second magnetic electrode 24 is a rare earth element, and the dielectric layer 20 is made of titanium oxide (Ti〇3), titanium strontium oxide (BaTi03) or a semiconductor layer, such as oxidized stone siii (siiicon) Oxide is formed, however, the present invention is not limited thereto, and the first magnetic electrode 22, the second magnetic electrode 24, and the dielectric layer 2 may be selected as a reduction product (4). In addition, in the second figure, the first of the first magnetic electrode 22 and the second magnetic electrode % is formed to represent the magnetic dipoles 26, 28, and the magnetic dipoles, 28 are actually == For the second embodiment, the present embodiment is sub-infinite for the formation direction of the magnetic dipoles 26, 28, such as to point to the same direction or different directions. = The foregoing description, the magnetic capacitor 2 shown in the second figure is mainly used to form a magnetic field by using the first magnetic electrode 22 and the magnetic poles 26 and 28 arranged in the motor, and the charge in the 24 is 齐. - Spinning in the direction of rotation, while the power-in layer is stored in a buffer: therefore, it can accommodate more in the dielectric layer 20.

The electrical energy storage density of the magnetic capacitor 2. Since the conventional electric tj = is added by the area A of the capacitor, the dielectric * of the dielectric layer, and the electric valley value C, as shown in the following formula (-), the analogy is equivalent to the conventional thickness ^ d ^ decisive capacitance 2 is equivalent to borrowing By the action of the magnetic field; thus, the capacitance value is greatly increased. The dielectric sling of the h electrical layer is q __ £〇£^4 d .........Formula (1) 201003386 It is emphasized here that the magnetic quantity of the present embodiment is stored in the form of potential energy. The other energy storage mediums stored in the phase storage device (for example, the magnetic capacitor 2 described in the embodiment of the transmission method) has a characteristic that the capacitance can be matched, and the capacitance is sufficient, This summer storage density characteristics, it can effectively solve the various problems encountered in the current battery = electricity, etc.: Knowing that the storage capacity of 7 ^ parts is mostly stored in the form of chemical energy, J is always in a certain size 'other often Will cause efficiency:: This is required and stored in the way of the potential energy used, the capacitive capacitor 2 and the peripheral circuit are connected, to the volume and weight of the valley 2, as this production method can be used ::: G, It should be well known to those skilled in the art, so it is not necessary to refer to the figure of Leliu, which is another embodiment of the invention - magnetic electromagnetism. The magnetic capacitor 3 includes a dielectric layer 30, a first magnetic electrode 32 and a second magnetic electrode 34, wherein the dielectric layer 3〇 is disposed between the first magnetic electrode 32 and the second magnetic electrode 34. The first magnetic electrode 32 further includes a first isolation layer 32A and a second magnetic layer 324. The first isolation layer 32 is disposed between the magnetic layer 3-22 and the second magnetic layer 324. The second magnetic electrode % further includes a first, isolation layer 340, a third magnetic layer 342, and a fourth magnetic layer 344. The second isolation layer 34 is disposed between the third magnetic layer 342 and the fourth magnetic layer 344. . Both the first isolation layer 320 and the second isolation layer 34 are made of a non-magnetic material. 13 201003386 The operation principle of the magnetic capacitor 3 in the second figure is the same as that of the magnetic capacitor 2 in the second figure. The sample is transmitted through the f-field to the magnetic layer 322, the second magnetic layer 324, and the third magnetic layer. The layer 342 and the fourth magnetic layer 3 ′′, and the first magnetic layer 322, the second magnetic layer 324, the third magnetic layer 342 and the fourth magnetic layer 344 respectively form a magnetic dipole (mail is a le) Μ, 33, 35, 36. Therefore, the magnetic capacitor 3 can be hunted by different applied electric fields, for example, the magnetic dipoles 31, 33 in the first magnetic layer dicing the magnetic layer 324 have different squares, and the third magnetic layer 342 and the The magnetic couples 36 in the four magnetic layers (10) have different directions, respectively, so that the magnetic leakage current can be further suppressed. Similarly, the implementation of the magnetic dipole 3%% is not limited, such as pointing in the same direction or in different directions. The first electrode-to-electrode 32 and the second magnetic=34 U structure are not limited to the above-mentioned three-layer structure, but can be used to continuously cross the magnetic dipole directions in the magnetic layers with a plurality of magnetic layers and non-hybrid layers. Adjustment to enter = electricity

The leakage current 'has the effect of almost no leakage current. (4) The sequel of the valley 3 is the invention of the invention - the hard disk device first, the installation step, the steps are as follows: the power supply to open the hard interface 12 receiving - the external power wheel 14 for charging (such as the wrong step : The unit 10 determines whether the external power source is powered off (S: 'and root___ as the source of the power source for switching the hard disk drive!) 14 201003386 According to the data, if the determination in step S505 is no, then, and then return to the step S503 continues to execute. And the operation: If the power supply is normal, it means that the external power supply is disconnected. = ^柳5 is judged to be the source supply unit. (10) Electric ^^ Early: 1G is the power of the move as step & It is hoped that the hard disk device 1 is supplied with a r::A to judge that the written data S in the hard disk device 1 has been formed (as in step S509), and this step is performed by the operator 2 or not. i, 160 Judging the data transmission module 16: the material controller is written into the storage unit 19. The write code is only written to the HS5, and is broken, which means that there is still a material in the hard county. The device is not written, so the hard disk device 1 can continue to write the write data to the storage unit i9 under the power supply of f: two::: from the power failure of the external power supply When the hard disk device i is evading ΐΐ ί 而 and when the step S509 is YES, it means: the disk: the written data has been written, so the controller 160 can turn off the hard disk device ι (step S511) For example, the controller 16 can be automatically homed by the motor drive module 164 and the control head drive module 168 of the head drive module 168, and the controller 160 can further know the power control unit 1 To stop the power supply of the power supply unit 14. k Next, the power supply unit mentioned in the fourth figure, '= the power storage module 14 in the power supply unit 14 is mentioned as mentioned in the foregoing description. The magnetic capacitor structure, such as the magnetic capacitor 2 shown in the second figure or the magnetic capacitor 3 shown in the second figure, so that the power supply unit 14 can occupy a small space in the hard disk device 1 while providing sufficient power to make the hard When the external power supply is cut off, the disc device 1 can still cause the data writing in the hard disk device i to be successfully completed, and in order to allow the power supply 15 201003386 unit 14 to provide sufficient power, the power storage device The group HO transmits, picks up a magnetic capacitor and connects through the series and/or parallel arrays, and the power required for the operation of the device 1 'but the power supply diode 140 of the embodiment can also be designed as a single magnetic according to actual needs. Capacitor., ', Please refer to the fifth figure, which is a functional block diagram of the hard disk device with the power-off protection function of the present invention. The fifth-disc device is powered by a single magic 4 As the main source of power supply for the read and write control unit, the power supply unit 14 is coupled to

Ztm12 1 between the read/write control unit 71 16 and the power supply input: 12 input external power supply as the power supply unit = single = power supply unit 14 directly outputs the internal power supply. Therefore, in the fifth figure, the hard disk device &amp; regardless of the external, the power source used for the operation of the read/write control unit 16 can be ensured by this power supply mode. When the external power supply is powered off, it can still be supplied through the power supply. Single L system:,? The power of the power supply continues to operate for a period of time, and the read and enable are performed; 7 to complete the unfinished write data work and to return the write head drive module 168. 12 The source control unit 1 is connected to the power input interface: 1 and 读写 and the read/write control unit 16 is rotated. The power control 14=input-to-thunder is performed. The charging control is performed at 70 142 and the discharge unit is powered. For example, the charging unit 142 is powered by the magnetic capacitor in the MO of the module MO. The external power is reduced. The power supply is powered off. If there is a power failure, the output 16 201003386 signal informs the read/write control unit 16, After the write data device (4) of the read/write control is completed, the read/write head is further driven; the group 168 is returned to close the hard disk device u, and the internal battery of the 7G 14 is provided. However, it is caused that "the power is too long, and the unit 10 also monitors whether the input data entered by the read/write control unit 16 is completed, such as the read/write control unit 16 has been installed.", : when writing the power control unit 1 〇 Control the discharge single power to avoid the power consumption/T stop of the power storage module just stored. Please refer to the sixth figure, which is the hard disk device with the power-off protection function of the present invention. The function of the 1 _ hard disk device lb is mainly spleen 筮 弟 brother /, the map is not given away The power control unit 10 ^ (4) County Xianyuan 14 as a source of power supply for reading and writing, and the power supply source of the read/write control unit = is used by the internal work regardless of whether the external power supply is powered off. The same can be used; π 罨 仏 仏 透过 透过 透过 透过 透过 透过 透过 ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” ” 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于It is possible to write the second element and make the head sway module 168 homing, and the power storage group M0 fine discharge unit 144 continues to discharge until the power is no: the source of the invention is mainly based on the hard disk I The internal memory is 3ϋ 14, 14' so that the hard disk device is outside the normal use, and by this internal vibration can provide long-term power supply while the writing data being executed in the disk is being executed, so that The industry of writing data is not affected by the power failure of the external power supply. And &gt;, 17 201003386 In addition, according to the foregoing several real power sources, the internal power supply is outputted when the internal power supply is turned off to the read/write control unit 16: the power supply is regardless of whether the external power supply is broken or not: Or unitized use, and regardless of the use of 'inside two for the read and write control device when the external power supply is off; the way will make the hard disk power supply and continue to write H times more than the channel device by taking the internal drive The module 168 can be automatically finished with the stomach material and the head is made. With the automatic homing, the hard disk device can be shut down smoothly. IttίΓ provides another technical feature for the use of the aforementioned four-capacity capacitors; the product: and the basic components of the 14-storage storage device The characteristics of the big, so you can come to the hard disk device has not yet been +, "after, there is still a redundant buffer time to continue to write the head drive module data, and only the above-mentioned map T position. </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; [Brief Description] The first figure is a functional block diagram of the embodiment of the present invention;

The picture of the younger brother is the schematic diagram of the silver diagram of the present invention. The fourth diagram is a schematic diagram of the magnetic capacitor of the present invention. The fourth diagram is the intention of the magnetic capacitor of the present invention. FIG. 5 is a functional block diagram of a hard disk device having a power-off protection function according to another embodiment of the present invention; and a sixth figure is a block diagram of another embodiment of the present invention. Functional block diagram of the hard disk device with electrical protection function. [Main component symbol description] 142 charging unit 162 data transmission module 168 head drive module 22 first magnetic electrode 26 magnetic dipole 31 magnetic dipole 1, la, lb hard disk device 10 power control unit 12 power input interface 14 power supply unit 140 power storage module 144 discharge unit 16 read and write control unit 160 controller 164 motor drive module 18 data transmission interface 19 storage unit 2 magnetic capacitor 20 dielectric layer 24 second magnetic electrode 2 8 magnetic dipole 3 magnetic capacitor 30 dielectric layer 19 201003386 32 first magnetic electrode 320 first isolation layer 324 second magnetic layer 3 3 magnetic dipole 34 second magnetic electrode 322 first magnetic layer 340 second isolation layer 344 fourth magnetic layer 3 5 magnetic dipole 36 magnetic dipole S501 ~ S511 flow chart step description 342 third magnetic layer 20

Claims (1)

201003386, apply for patent Fan Park··, :::: Hard disk device for protection function, including: action; system early 70' to read and write data to the wrong unit, a power wheel interface, one to small - The power supply control unit is configured to receive an external power source; the internal power supply is supplied to the power supply unit. The power supply unit is powered by the external power source to charge the magnetic capacitor. According to the judgment result, the result of the judgment is σί^, and the power is supplied to the read/write = part power supply and the internal power supply - the power supply system is earlier than when the external power supply is normal, and the power supply is supplied to the read/write control. Unit, and two units:, tk 'control the internal power supply to the read and write control 2: Γί special: the power supply protection unit described in item 1 is the hard power supply, the second power supply unit includes - The electric energy storage module is 7L early and a discharge unit, and the power storage module is composed of a '-magnetic capacitor, and the external power source is used to charge (4) the electric energy module. Unit system for power storage Discharge control group. The hard disk device with the power-off protection function described in claim 2, wherein the magnetic capacitor comprises: a first magnetic electrode; 21 201003386 a second magnetic electrode; and a dielectric layer disposed thereon Between the first magnetic electrode and the second magnetic electrode; wherein the dielectric layer is used to store electrical energy, and the first magnetic electrode and the second magnetic electrode system respectively have a plurality of magnetic dipoles to avoid being stored in the dielectric The power in the layer leaks. 4. The hard disk device having the power-off protection function according to claim 3, wherein the first magnetic electrode comprises: r a first magnetic layer; a second magnetic layer; and a first isolation layer, A non-magnetic material is disposed between the first magnetic layer and the second magnetic layer. 5. The hard disk device having the power-off protection function according to claim 3, wherein the second magnetic electrode comprises: a third magnetic layer; a fourth magnetic layer; and a second isolation layer, including A non-magnetic material is disposed between the third magnetic layer and the fourth magnetic layer. 6. The hard disk device with the power-off protection function according to the second aspect of the patent application, wherein the power control unit controls the read/write control unit to write data to the storage unit when the external power supply is powered off. And monitoring the discharge control unit to stop the discharge when there is no data available for writing in the read/write control unit. 7. The hard disk device having the power-off protection function according to claim 6, wherein the read/write control unit comprises: a controller; 22 201003386, a group coupled to the controller, according to the controller The control of the controller transmits the data; the n-th drive core group is connected to the controller to read and write data to the storage unit according to the control of the control unit; and: the suppression group is coupled to the controller, according to The controller moves like a write head drive module. The disc is equipped with ^, which has the function of power-off protection, mw σ卩 power supply to the read-write control unit, when the data transmission module is completed, then 柙劁兮4 warehouse TJ shell Ding Shima 8 and storage early power control: ==== homing r through this set off. The power supply of the P power supply is such that the hard disk is equipped with a power-saving protection function, including: a storage unit; 1:: a unit for reading data of the storage unit. For receiving - an external power supply; a power supply unit for providing power to the power supply unit; (4) and to a magnetic capacitor for charging the power supply unit is reduced between the power supply unit And the read/write control power f source is provided by the internal power source. Bakelite 10 Please set the power-off protection function as described in item 9 of the patent scope, wherein the power supply unit includes a power storage module: 23 201003386 a charging unit and a discharge unit, the power storage module The group is composed of the at least one magnetic capacitor, and the charging unit controls the charging of the power storage module by the external power source, and the discharging unit controls the discharging of the power storage core group. 11. The hard disk device having the power-off protection function according to claim 10, wherein the magnetic capacitor comprises: a first magnetic electrode; a second magnetic electrode; and a dielectric layer disposed on the first Between a magnetic electrode and the second magnetic electrode; wherein the dielectric layer is used to store electrical energy, and the first magnetic electrode and the second magnetic electrode system respectively have a plurality of magnetic dipoles to avoid being stored in the dielectric layer The electric energy leaks. 12. The hard disk device having the power-off protection function of claim 11, wherein the first magnetic electrode comprises: a first magnetic layer; a second magnetic layer; and a first isolation layer, including A non-magnetic material is disposed between the first magnetic layer and the second magnetic layer. 13. The hard disk device having the power-off protection function of claim 11, wherein the second magnetic electrode comprises: a third magnetic layer; a fourth magnetic layer; and a second isolation layer, including A non-magnetic material is disposed between the third magnetic layer and the fourth magnetic layer. 24 201003386 14 Si special: The hard device with power-off protection function mentioned in the scope of item 10 further includes: 15 Cuiyuan' to control the charging operation of the charging unit and the discharge operation of the early discharge . The hard power control unit with the power-off protection function described in Item 14 is judged to be that the external power source is controlled to be η. When the power supply of the material part is powered off, the power control unit === = the chest storage unit, and the discharge is supervised. When the data is available for writing, 'Control: 2: Special: The hard disk 4 with the power-off protection function mentioned in Item 15'. The read/write control unit includes: - Controller; The transmission module is coupled to the control of the crying pumping #+ to transmit the data "the heart according to the controller group, transferred to the controller, and the storage unit is read according to the control&y; Writing data; and - a motor drive module 'coupled to the controller, according to the control 17 to drive the movement of the head drive module. I... 'as claimed in claim 16 In the data transmission, the middle ^ homing and through the: original: air system::::::: drive the module power, so that the hard disk attack off: early shutdown of the internal power supply for a hard disk device Power-off protection method, including · providing - a power supply unit having at least - a capacitor is used in the hard 25 18 201003386 The device of the disc device is charged with an external capacitor supplied to the hard disk device, and is electrically charged to the at least one magnetic internal power source; the power supply unit can output a supply-power control unit to determine and according to the judgment result To external electric power, wherein, when the power supply (4) is being read; and the electric power is used to the pure write control unit, 19 20 when the external power supply is cut off, the Qiu Lei (10) power supply is controlled by the control unit. The internal power supply is supplied to the read/write control unit. 1. The method according to claim 18, wherein the magnetic capacitor comprises a power-off protection of the hard disk device, a first magnetic electrode; and a second magnetic electrode; And a plurality of magnetic dipoles respectively disposed on the first magnetic electrode and the second magnetic energy and the first magnetic electrode and the second magnetic electrode system respectively to prevent electric energy leakage stored in the dielectric layer. The method for power-off protection of the hard disk, wherein the first magnetic electrode of the first layer comprises: a first magnetic layer; a second magnetic layer; and a first isolation a layer comprising a non-magnetic material disposed between the first 26 201003386 magnetic layer and the second magnetic layer. The power-off protection method of the hard disk device according to claim 19, wherein the second The magnetic electrode comprises: a third magnetic layer; a fourth magnetic layer; and a first ik separation layer comprising a non-magnetic material disposed between the third magnetic layer and the fourth magnetic layer. (4) The power-off protection method for the hard disk device described in Item 18, further comprising: controlling the control unit to write a data of the person in the hard disk device when the internal power source is used for the read/write control unit unit. 23, 2, the method for breaking the hard disk device according to claim 22, further comprising: 24 when the internal power supply is supplied to the read/write control unit, and the control unit writes data in the storage unit At the end of the operation, the head of the hard disk device is controlled to be homing and the internal power source is turned off by the power control unit to turn off the hard disk device. A power-off protection method for a hard disk device, comprising: providing a power supply unit having a small-magnetic capacitor in the hard bee; for providing an external power supply of the hard disk device The at least one magnetic capacitor is charged so that the power supply unit can be internally powered; and the internal power source is used as a power source for a read/write control unit 27 201003386 in the hard disk device. The power-off protection method for a hard disk device according to claim 24, wherein the magnetic capacitor comprises: a first magnetic electrode; a second magnetic electrode; and a dielectric layer disposed on the first Between the magnetic electrode and the second magnetic electrode; wherein the dielectric layer is used to store electrical energy, and the first magnetic electrode/the second magnetic electrode system respectively have a plurality of magnetic dipoles to avoid '· The electrical energy in the dielectric layer is leaking. The power-off protection method for a hard disk device according to claim 25, wherein the first magnetic electrode comprises: a first magnetic layer; a second magnetic layer; and a first isolation layer, including A non-magnetic material is disposed between the first magnetic layer and the second magnetic layer. The power-off protection method of the hard disk device of claim 25, wherein the second magnetic electrode comprises: a 'second magnetic layer, a fourth magnetic layer; and a second isolation layer And comprising a non-magnetic material disposed between the third magnetic layer and the fourth magnetic layer. 28. The power-off protection method for a hard disk device according to claim 24, further comprising: providing a power control unit to control charging and discharging of the power supply unit; 28 201003386 °Hai power control unit Determining whether the external power source is powered off, and when the "power source is powered off, the power control unit controls the read/write control system to write data to a storage unit of the hard disk device order. 〇 Patent application scope 28 The power-off protection method for the hard disk device described in the present invention further includes: when the external power is set, and the operation of writing the data to the storage unit is completed, controlling the hard disk device A head drive module is homing and the power supply of the internal power source is turned off by the power control unit to make the hard dream = close. ', clothing and 29