JPH08221708A - Magnetic tape storage device - Google Patents

Abstract

(57) [Abstract] [Purpose] A magnetic head capable of increasing the number of tracks on the magnetic tape and increasing the storage capacity per cartridge without deteriorating the productivity of the soft magnetic block 4. A magnetic tape storage device is provided. [Structure] A magnetic head is composed of two magnetic head blocks so that a recording head of a magnetic head block on one side records and a reproducing head of a magnetic head block on the other side reproduces the magnetic head block. Element 2
The ferrite substrate 1 in which the write coil 3 and the write coil 3 are alternately arranged and the soft magnetic block 4 in which the read shield width is wider than the write track width and the glass groove 5 is formed are bonded to each other. I am configuring. The magnetic tape storage device has a function of moving the magnetic head in the width direction of the magnetic tape to record and reproduce information on a plurality of tracks by one recording and reproducing head and a function of recording and reproducing by bidirectional running. are doing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic tape storage device for recording and reproducing information on a magnetic tape, and more particularly to a magnetic tape having a magnetic head suitable for high density recording and reproducing of information. The present invention relates to a tape storage device.

[0002]

2. Description of the Related Art In recent years, a magnetic tape storage device has been improved in performance by being divided into a magnetic head dedicated to recording and a magnetic head dedicated to reproduction. As the reproducing head, a magnetoresistive head (hereinafter referred to as an MR head) whose reproducing sensitivity does not depend on the relative speed to the magnetic tape and which can obtain high sensitivity is used, and as the recording head, a sputtering technique or a photolithography technique is used. It is also possible to use an induction type thin film head in which a coil and a ferrite core manufactured by utilizing such a thin film forming technique are combined.

An example in which the storage capacity of a magnetic tape has been increased by introducing the above technology will be shown below. When using 1/2 inch width cartridge tape, the number of tracks is 18
Track and linear recording density of 19000 BPI can be achieved,
A magnetic tape storage device has been developed which realizes a storage capacity of 200 Mbytes per tape cartridge that accommodates a magnetic tape.

Thereafter, in order to achieve a higher recording capacity, for example, US Pat. Japanese Patent No. 5208714,
Or USP. As described in Japanese Patent No. 5212611, a recording head and a reproducing head provided corresponding to each recording track formed in the same direction as the traveling direction of a magnetic tape are a recording head corresponding to an adjacent recording track. Recording heads and reproduction heads are provided side by side with respect to the reproduction head. Such a magnetic tape device is
When the recording head writes data on one track up to the end of the magnetic tape, the tape is driven in the reverse direction to write the next data on the adjacent track. In this way, the magnetic tape is bidirectionally run, and the number of tracks is 36 tracks in the 1/2 inch width cartridge tape, so that the magnetic storage capacity of 400 Mbytes per cartridge is achieved. A tape storage device is disclosed. This conventional example is shown in FIGS. 4, 5 and 6. FIG. 4 is a perspective view showing a disassembled state of the conventional magnetic head, FIG. 5 is an external view of the magnetic head surface when the magnetic head is viewed from the medium side, and FIG. 6 is a magnetic head and a track, that is, recording. It is a conceptual diagram which shows the positional relationship of a head, a reproducing head, and a track.

A conventional magnetic head will be described with reference to FIG. MR elements 2 and write coils 3 are alternately arranged on a NiZn ferrite soft magnetic substrate 1 (leader lines of the magnetic head are not shown). The magnetic head is formed by bonding the soft magnetic block 4 of NiZn ferrite magnetically separated by the glass 5 to the surface of the soft magnetic substrate 1 on which the elements of the recording head and the reproducing head are formed. The soft magnetic block 4 is magnetically separated by the glass 5 so that the write track width and the read shield width have predetermined values.

It is generally known that a positioning error occurs between the center line of each recording track of the magnetic tape and the center line of each track of the magnetic head. Therefore, in order to prevent the signal already written on each track or the signal from the adjacent track from being read as noise as much as possible, the track width of the reproducing head is generally smaller than the track width of the recording head. Target. In the conventional example, as shown in FIG. 5, the read track width is narrower than the write track width, that is, the read track width corresponding to the width of the MR element 2 is narrower than the write track width corresponding to the width of the write coil 3. -It is formed so that the shield width is narrower than the write core width.

For example, a 1/2 inch width cartridge tape
When the number of tracks is 36, the write track width is approximately 0.285 mm and the lead shield width is approximately 0.225 mm. The center distance between the write head and the read head is 0.315 mm, and this value matches the track pitch.

Two blocks of such a magnetic head are arranged as shown in FIG. When the magnetic tape travels in the direction of arrow 6-1, a recording head (indicated by "W" in the figure) of the magnetic head block 7 records a signal on the magnetic tape, and the magnetic head block 8 records the signal. Playhead ("R" in the figure)
The signal on the magnetic tape is reproduced by ().

When the magnetic tape runs in the direction of arrow 6-2, the recording head of the magnetic head block 8 records a signal on the magnetic tape and the reproducing head of the magnetic head block 7 records the magnetic tape. -Play the signal on the amplifier.

In order to improve the recording density of the magnetic tape device as described above, in addition to improving the linear density, the magnetic tape is used.
It has also been proposed to reduce the thickness of the magnetic tape itself to increase the length of the magnetic tape accommodated in the cartridge, thereby doubling the storage capacity per cartridge. Further, when there is a repetition of a binary signal, information is recorded on a magnetic tape by using a data compression method using a method such as encoding to increase the storage capacity per cartridge. Various proposals have been made to increase the storage capacity such as.

In order to further increase the storage capacity over the storage capacity achieved by these various methods, the number of tracks can be easily increased by increasing the number of tracks to 36 tracks or more with a 1/2 inch width cartridge tape. Capacity can be achieved. In this case, the number of tracks is 18 and 3
It is desirable to consider so that the information of the magnetic tape recorded by the 6-track magnetic tape storage device can be read, and it is convenient that the number of tracks is an integral multiple of 36 tracks.

For example, in a 36-track magnetic tape storage device, in a 1/2 inch width cartridge tape, the information of the magnetic tape recorded by the magnetic tape storage device having 18 tracks is recorded. Can be read. The track pitch in the case of 18 tracks is 0.63 mm, and the track pitch in the case of 36 tracks is just 1/2, 0.31 mm.
By making it 5 mm, 3 in 1 track of 18 tracks
This is possible by arranging 2 tracks of 6 tracks.

[0013]

However, as in the conventional example, the soft magnetic block facing the formation surface of the magnetic head element of the recording head or MR head manufactured by the thin film forming technique is magnetically separated by glass. In a simple structure, for example, 36
When the number of tracks is twice the number of tracks, the glass separation groove that separates 72 tracks is used. When the number of tracks is three times that of 36 tracks, the glass separation groove that separates 108 tracks is used, which is four times the number of 36 tracks. If the number of tracks is set to 1, the glass separation grooves for separating 144 tracks must be provided respectively. This is not only to increase the number of glass separation grooves, but also to reduce the width of the glass separation grooves according to the number of tracks, and at the same time to improve the track width accuracy and the track pitch accuracy. Therefore, the manufacturing accuracy had to be greatly improved.

Further, even in the magnetic head for 36 tracks, the signal lines for recording and reproducing taken out from each track are at least 2 per track.
It is necessary to take out a total of 144 signal lines because it requires two signal lines. For example, it is necessary to take out 288 signal lines when the number of tracks is twice as many as 36 tracks, and 576 signal lines when the number of tracks is four times as many as 36 tracks. Therefore, if the number of tracks is simply increased, it is necessary to take out a very large number of signal lines, and it is difficult to process the leader lines connected to the recording and reproducing circuit.

Therefore, the number of tracks on the magnetic tape is increased by moving the magnetic head in a direction perpendicular to the traveling direction of the magnetic tape to record and reproduce information. It is conceivable not to increase.

In this case, when trying to obtain a high track density with a conventional magnetic head in which the read shield width of the MR head is narrower than the write core width of the recording head, the glass portion 5 for magnetically separating is The separation width must be increased by a dimension corresponding to the distance the magnetic head moves, or the number of separations must be increased. In either case, the volume of glass embedded in the separation portion will increase. Further, there is a problem that the productivity of the soft magnetic block 4 is deteriorated due to a crack in the glass or a pitch error of the light core due to a difference in coefficient of thermal expansion between the NiZn ferrite and the glass. In the prior art, in order to increase the number of tracks and increase the storage capacity per cartridge, it is necessary to reduce the width of the glass separation groove and significantly improve the track width accuracy and the track pitch accuracy. The processing method of the leader line connected to the circuit becomes difficult.

An object of the present invention is to increase the number of glass separation grooves in accordance with the number of tracks, to reduce the width of the glass separation grooves, and to achieve the same track width accuracy and track pitch as in the conventional case. It is an object of the present invention to provide a magnetic tape storage device capable of increasing the storage capacity per cartridge by using a magnetic head having accuracy.

Another object of the present invention is to provide a magnetic head suitable for a magnetic tape storage device in which the number of tracks per tape is remarkably increased as compared with the conventional magnetic tape storage device.

Another object of the present invention is to increase the storage capacity per cartridge by increasing the number of tracks even if the number of leads of signal lines is almost the same as that of the conventional magnetic head. A tape storage device is provided.

Still another object of the present invention is magnetic tape storage capable of reading the information on the magnetic tape recorded by the conventional technique even if the storage capacity per cartridge is increased. It is in the area of providing equipment.

[0021]

SUMMARY OF THE INVENTION A magnetic tape storage device according to the present invention is an element forming substrate in which a recording head element and a reproducing head element are alternately arranged, and a magnetic head for the recording head element and the reproducing head element. A recording head element separating portion having a width substantially equal to the recording track width and a reproducing head element separating portion having a width wider than the recording track width are separated from each other, and an element separation substrate is coupled to the recording head element and the reproducing head element, respectively. The magnetic head block consisting of the magnetic head block and the reproducing head element of the other magnetic head block correspond to the recording track on the magnetic tape medium facing each other in the magnetic tape width direction. A magnetic head arranged in parallel with the magnetic head, a magnetic tape drive mechanism for moving the magnetic tape medium in the tape longitudinal direction,
Recording / reproducing means for recording / reproducing data according to a command from a host device using the magnetic head, control means for controlling the magnetic tape driving mechanism and the recording / reproducing means, and a direction perpendicular to the driving direction of the magnetic tape. A magnetic head drive mechanism for moving the magnetic head, a set of a recording head element and a reproducing head element provided in the magnetic head, and the reproducing head element separating section is magnetic It is characterized in that a substantially central portion of the surface facing the tape is composed of a positioning control mechanism that positions the recording track to be positioned correspondingly.

In the magnetic head for a magnetic tape storage device of the present invention, an element forming substrate in which a recording head element and a reproducing head element are alternately arranged, and a recording head element and the reproducing head element are magnetically separated. An element separation substrate in which the recording head element separation section and the reproduction head element separation section are combined,
The magnetic head block consisting of the magnetic head block in the magnetic tape width direction so that the recording head element of one magnetic head block and the reproducing head element of the other magnetic head block correspond to the pair of recording tracks on the opposing magnetic tape medium in the width direction of the magnetic tape. A magnetic head for a magnetic tape storage device arranged in parallel, wherein a width of the recording head element portion of the element isolation substrate facing the magnetic tape medium faces a magnetic tape medium of the reproducing head element portion of the element isolation substrate. It is characterized by being wider than the width.

The magnetic head drive mechanism of the magnetic tape storage device of the present invention moves the magnetic head by a plurality of tracks in the direction perpendicular to the running direction of the magnetic tape.

Further, the magnetic tape drive mechanism of the magnetic tape storage device according to the present invention has a function of bidirectionally running a magnetic tape for recording / reproducing, and the magnetic head drives a plurality of tracks by the magnetic head drive mechanism. After being moved to a recording track that is separated by a distance, recording / reproducing is performed on the magnetic tape.

In each magnetic head block, a recording element serving as a recording head coil and an MR element for a reproducing head are alternately arranged on the NiZn ferrite or MnZn ferrite substrate, which is a soft magnetic material, at the intervals described above. The shield of the element block, the magnetic core for the recording head and the MR head for the reproducing head is 0.285.
A closure block composed of NiZn ferrite or MnZn ferrite material separated by a glass material which is a non-magnetic material so as to have a predetermined recording head core width smaller than mm and an MR head shield width wider than the recording head core width. It is glued.

In the magnetic tape storage device of the present invention, the servo signal reproducing means provided in the magnetic head reproduces the information of the servo track recorded on the magnetic tape for the track position alignment, and is aimed at. Position to the recording track. The servo signal reproducing means reproduces a servo signal for track positioning, which is stored in an area on the magnetic tape different from the area for recording and reproducing information.

[0027]

If the reproducing head element separating portion does not affect the performance of the reproducing head element if it is equal to or larger than the track width of the reproducing head element, only the track width of the recording head should be defined by the closure block. good.

The recording head element separating portion and the reproducing head element separating portion are magnetically separated from each other, but the lath separating groove does not have a number corresponding to the number of tracks on the magnetic tape. The recording head core width and the reproducing head element separation portion, that is, the glass separation width that defines the MR head shield width can be set to values substantially equal to those of the conventional magnetic head. Since the volume of the glass portion is about the same as that of the conventional magnetic head, M is smaller than the core width of the recording head without deteriorating the productivity of the closure block.
It is possible to provide a magnetic head in which the shield width of the R head is wider.

A magnetic tape storage device equipped with the present magnetic head is an adjusting mechanism for moving the magnetic head position based on track position deviation information from the magnetic tape of the magnetic head obtained from the servo signal reproducing head. Therefore, the track alignment accuracy with the magnetic tape of the magnetic head can be performed with high accuracy. Therefore, it is possible to provide a magnetic head that can achieve a high track density with track width accuracy and track pitch accuracy that are almost the same as those of the conventional one.

The track width of 36 tapes recorded on a conventional 1/2 inch width cartridge tape is 0.2.
At 85 mm, the track pitch is 0.315 mm. The track width of the recording head of the present invention is 0.285 mm
Since it is smaller, it is possible to provide a magnetic head capable of recording with a higher track density than this. Also,
If the pitch interval between the recording head and the reproducing head of the magnetic head of the present invention is set to approximately 0.315 mm, it is possible to provide a magnetic head capable of reproducing tape information recorded in 36 tracks. .

The magnetic tape storage device of the present invention equipped with the above-described magnetic head of the present invention is a magnetic head for a plurality of tracks in the width direction of the magnetic tape (direction perpendicular to the running direction of the magnetic tape). The function of moving the magnetic head and the function of recording and reproducing by bidirectionally running the magnetic tape, and the track position deviation information from the magnetic tape of the magnetic head obtained from the servo signal reproducing head It is possible to provide a magnetic tape storage device which has an adjusting mechanism for performing alignment and which can obtain a high track density and can greatly increase the storage capacity per cartridge.

[0032]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention relates to a magnetic tape storage device and a magnetic tape in which a magnetic tape runs bidirectionally on a magnetic head and the magnetic head moves in the width direction of the magnetic tape to record and reproduce information. Suitable for implementation on the head. An embodiment of the present invention will be described below.

FIG. 3 is a schematic view of a magnetic tape storage device around the magnetic head. The magnetic tape 11 is pulled out from a lead block (not shown) of the cartridge and passes through the tape guide 12, the magnetic head 10 and the tape guide 13 to be a winding reel (not shown). It is rolled. The cartridge is connected to a payout reel (not shown) and is attached to a motor, a tachometer, or a tape running path which is connected to the payout reel or the take-up reel. The tension sensor and the like are used to control the speed and tension of the magnetic tape together with the control circuit. The magnetic head 10 reads the position information of the servo track written on the magnetic tape 11 and sends the information to the head position control circuit to control the servo motor 14 to control the magnetic head 10 to the target track. Move to and align the track of the magnetic head with the track of the magnetic tape. For the track alignment servo system, a voice coil is used instead of the servo motor, or a magnetic tape 11 is used.
There are various methods such as the position information of the servo track and the reading method described above, but since they are different from the gist of the present invention, only a brief description will be given here.

FIG. 6 is a schematic diagram showing the relationship between the magnetic head element and the magnetic tape through the magnetic head. After the magnetic head is positioned as shown in FIG. 6, the magnetic tape 11
When traveling in the direction of arrow 6-1, information is recorded by the magnetic head block 7 and information is reproduced by the magnetic head block 8. On the contrary, when the magnetic tape 11 travels in the direction of the arrow 6-2, the magnetic head block 8 records the information and the magnetic head block 7 reproduces the information. This will be described with reference to FIG. 7 in comparison with track numbers.

FIG. 7 shows an example of a comparison between the recording heads and reproducing heads arranged in the respective magnetic head blocks, their track numbers, and the track numbers on the magnetic tape.
When the magnetic tape 11 travels in the direction of the arrow 6-2, the recording head W1 of the magnetic head block 8 records information on track numbers 1 to 4 of the magnetic tape, and the magnetic head block 7
The reproducing head R1 reproduces the information of the track numbers 1 to 4 of the magnetic tape. Conversely, when the magnetic tape 11 travels in the direction of the arrow 6-1 the recording head W of the magnetic head block 7
2 records information on track numbers 5 to 8 of the magnetic tape,
The reproducing head R2 of the magnetic head block 8 reproduces the information of track numbers 5 to 8 of the magnetic tape. That is, the track numbers of the magnetic tape recorded on the recording head Wn track of the magnetic head block or reproduced by the reproducing head Rn are (4n-3) to 4n. During the read-after-write operation (reproduction operation immediately after recording, operation to confirm the contents of written data), when n is an even number, the magnetic tape 11 travels in the direction of arrow 6-1. , N is an odd number, the magnetic tape 11 travels in the direction of arrow 6-2.
During reproduction operation during so-called reversing, in which the magnetic tape travels in the direction opposite to the direction in which recording is performed and only reproduction is performed, the traveling direction is opposite to that described above.

The recording head and the reproducing head are arranged at an interval of <plural tracks X track pitch>. Here, a plurality of tracks means the number of tracks of the magnetic tape 11 per one magnetic head on which the magnetic head 10 moves to record and reproduce. The track pitch of the magnetic tape 11 of this embodiment is ¼ of the track pitch of 0.315 mm when the number of tracks is 36 in the conventionally used 1/2 inch cartridge tape. , 0.0
It is set to 7875 mm. Therefore, the magnetic head block 7
The distance between the recording head and the reproducing head of No. 8 and 0.315 m
m.

The magnetic head blocks 7 and 8 are each 1
There are eight recording heads and reproducing heads, and recording and reproducing on the magnetic tape 11 of 144 tracks are possible.

A magnetic tape is attached to the magnetic head blocks 7 and 8.
Servo tracks S11 to S1 recorded on the track 11
4 and servo heads S1 and S2 for reading the positional information of S21 to S24 are internally provided. When the magnetic tape 11 travels in the direction of arrow 6-1, the servo track S11 is located at S1 located outside W36 of the magnetic head block 7.
The signals in steps S14 to S14 are read and the position of the magnetic head 10 in the track direction with respect to the magnetic tape 11 is adjusted to the target track within a predetermined position accuracy through the position control circuit. On the contrary, when the magnetic tape 11 travels in the direction of the arrow 6-2, the signals of the servo tracks S21 to S24 are read by S2 arranged outside W1 of the magnetic head block 8 in the same manner as in the magnetic head 10. Align.

In this example, one recording head and one reproducing head process four tracks on the magnetic tape. However, as long as two or more tracks are processed, any number of tracks can be processed. You can see that is possible.
In addition, this example shows an example using eight servo tracks, but it is sufficient if the positioning for four tracks can be performed. Therefore, only S1 has four servo tracks, and only S2 has four servo tracks.
It can be understood that the track alignment of the magnetic head can be performed on either the botrack or the two servo track S1 and the two servo track S2.

FIG. 1 is a perspective view showing the structure of the magnetic head blocks 7 and 8 according to this embodiment, and FIG. 2 shows a part of the track shape as seen from the surface of the magnetic head. NiZn
Ferrite or MnZn ferrite soft magnetic substrate 1
The MR elements 2 and the write coils 3 are alternately arranged at a distance from the center position, that is, an element interval of 0.315 mm. On the opposite side of the soft magnetic substrate 1, the write track width is approximately 0.065 mm. , And the lead shield width was approximately 0.445 mm, and the glass 5 (glass groove width was approximately 0.
A soft magnetic block 4 of NiZn ferrite or MnZn ferrite magnetically separated by (06 mm) is arranged, and both are adhered to each other to connect a leader line (not shown because it is not directly related to this embodiment) of the magnetic head. It constitutes a magnetic head. The track width of the reproducing head is determined by the length of the sensor of the MR element and is approximately 0.045 mm smaller than the write track width of the recording head.

In such a configuration, since one recording head and reproducing head can record and reproduce information for four tracks, the number of glass separation grooves corresponding to the number of tracks is not required, and the magnetic head 10 and Since the positioning with the magnetic tape 11 is performed by the track servo method, the track width accuracy and the track pitch accuracy can be made almost the same as the conventional one, and the productivity of the soft magnetic block 4 is not deteriorated.

The tape pitch of 36 tracks recorded on the conventional 1/2 inch width cartridge tape is 0.315 mm, which is the same as the distance between the recording head and the reproducing head of the present embodiment. The magnetic tape information recorded by the magnetic tape device can be reproduced. 18
Since the tape recorded on the track can be reproduced by the magnetic tape device for recording 36 tracks, the information of the tape recorded on 18 tracks can be reproduced by the magnetic head of this embodiment.

In the magnetic tape storage device shown in this embodiment using such a magnetic head, the storage capacity per cartridge can be increased to at least several times the number of tracks.

[0044]

According to the present invention, since a single recording head and reproducing head can record and reproduce information for a plurality of tracks, the number of glass separation grooves corresponding to the number of tracks is not required, and a magnetic head is used. Since the track servo system is used for alignment with the magnetic tape, the track width accuracy and track pitch accuracy can be made almost the same as the conventional one.
The productivity of the soft magnetic block that defines the write track width and the lead shield width is not deteriorated.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a schematic structure of a magnetic head block according to the present invention.

FIG. 2 is a perspective view showing an example of a track configuration viewed from the head surface of a magnetic head block according to the present invention.

FIG. 3 is a perspective view showing an example of a part around a magnetic head of a magnetic tape storage device using the magnetic head of the present invention.

FIG. 4 is a perspective view showing a schematic structure of a conventional magnetic head block.

FIG. 5 is a perspective view showing a track shape as viewed from the head surface of a magnetic head block according to a conventional technique.

FIG. 6 is a diagram showing a configuration of track numbers of a magnetic head block according to a conventional technique.

FIG. 7 is a diagram showing an example of a configuration of track numbers of a magnetic head block and track numbers on a magnetic tape according to the present invention.

[Explanation of symbols]

 1 Ferrite Substrate 2 MR Element 3 Write Coil 4 Soft Magnetic Block 5 Glass 7 Magnetic Head Block 8 Magnetic Head Block 10 Magnetic Head 11 Magnetic Tape 14 Servo Motor 15 Write Core Width 16 Read Shield Width

Claims (7)

[Claims] 1. An element forming substrate in which a recording head element and a reproducing head element are alternately arranged, and a recording track magnetically separated from the recording head element and the reproducing head element and provided on a magnetic tape. A recording head element separating portion having a width substantially equal to the width and a reproducing head element separating portion having a width wider than the recording track width are composed of an element separation substrate which is coupled to the recording head element and the reproducing head element, respectively. The recording head element of one magnetic head block and the reproducing head element of the other magnetic head block are arranged parallel to the width direction of the magnetic tape so that the recording head element of one magnetic head block and the reproducing head element of the other magnetic head block correspond to the pair of recording tracks on the opposing magnetic tape. An arranged magnetic head, a magnetic tape drive mechanism for moving the magnetic tape medium in the tape longitudinal direction, and an upper layer using the magnetic head. Recording / reproducing means for recording / reproducing data in response to a command from a recording medium, control means for controlling the magnetic tape drive mechanism and the recording / reproducing means, and the magnetic head in a direction perpendicular to the driving direction of the magnetic tape. A magnetic head driving mechanism to be moved, and a set of a recording head element and a reproducing head element provided on the magnetic head are arranged on a recording track which is a target for arranging the recording head element separating section, and the reproducing head element separating section faces a magnetic tape A magnetic tape storage device comprising: a positioning control mechanism that positions a recording track to be positioned so that a substantially central portion of the surface to be positioned corresponds to the recording track. 2. An element forming substrate in which a recording head element and a reproducing head element are alternately arranged, a recording head element and a recording head element separating section and a reproducing head element separating section which are magnetically separated from the reproducing head element. And a magnetic head block composed of an element isolation substrate to which is coupled, the recording head element of one magnetic head block and the reproducing head element of the other magnetic head block correspond to a pair of recording tracks on the magnetic tape medium facing each other. A magnetic head for a magnetic tape storage device, which is arranged parallel to the width direction of the magnetic tape, wherein the width of the recording head element portion of the element isolation substrate facing the magnetic tape medium is a reproducing head on the element isolation substrate. The other element type magnetic head is characterized in that the element portion is wider than the width facing the magnetic tape medium. In a magnetic head in which a magnetic head moves in a direction perpendicular to a traveling direction of a magnetic tape and the magnetic tape travels in both directions to record and reproduce information, a recording head and a reproducing head are alternately arranged. A multi-element magnetic head characterized in that an interval at which the recording head and the reproducing head are arranged is equal to <the number of tracks on which the magnetic head moves to record or reproduce X track pitch>. 3. The magnetic head according to claim 1, wherein the core width of the recording head is smaller than 0.285 mm. 4. The magnetic head according to claim 1, wherein a pitch interval at which the recording head and the reproducing head are arranged is approximately 0.315 mm. 5. The recording head core material and the reproducing head shield material are composed of NiZn ferrite or MnZn ferrite, and the recording head core and the reproducing head shield are separated by a glass material. The magnetic head according to claim 1. 6. A magnetic tape in which a magnetic head moves in a direction perpendicular to a traveling direction of a magnetic tape to record and reproduce information.
6. The multi-element type magnetic device according to claim 1, wherein the magnetic tapes are arranged side by side on a straight line in the same direction as the running direction of the magnetic tape so as to be a combination of a recording head and a reproducing head. A magnetic tape storage device characterized in that information is recorded and reproduced by a head. 7. Approximately 0.63 mm or approximately 0.315
6. The magnetic tape storage device according to claim 5, wherein the information on the magnetic tape recorded at a pitch interval of mm is reproduced.