JP2806208B2 - Support and connection mechanism for magnetic field modulation head - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION This invention, Ri engages the magnetic field modulation head of the magneto-optical recording, to particular supporting the magnetic field modulation head to machine械的
Integrally molded magnetic field modulation header Rutotomoni electrically connected
Related to the support and connection mechanism of the cable .

[0002]

BACKGROUND OF THE INVENTION The Applicant, as a magnetic field modulation head of the magneto-optical recording, for example, as shown in FIG. 2, the reversed L-shaped
The laser beam pick-up is provided on the horizontal bottom of the support
The quad-flop 14 connected to the fixed, said at one laser beam
Optical magnetic disc 12 with facing the pickup 14
Magnetic field varying as sliding contact with a predetermined contact pressure p on one side of
Adjusting head 10 and supporting and connecting means at the other end.
A metal spring member 20 and a conductor for connecting and fixing to the top of
The support / connection member 18 made of the conductive flexible member 22
Te, mechanically supported Rutotomoni electrically connected to each
Has been developed . This
Magnetic field modulation head 10 configured urchin is rotated in a circumferential direction c
Against the optical disk 12, via the drive unit of the support connecting means 16 (not shown), when moving in the radial direction r, the head coil 1 housed in the head 10
0a is synchronized with the movement and is moved while maintaining the same interval L.
By located on the laser optical axis 24 of the laser optical pickup 14 for movement, the required information on the magneto-optical disk 12 is configured to be recorded.

[0003]

[SUMMARY OF THE INVENTION However, the conventional support and connection members had difficulties as described below.

That is, the conventional support / connection member 18
Is a metal spring member 2 for mechanical support, as described above.
0 and a conductive flexible member 22 for making an electrical connection.
a and 20a are required. For this reason, the conventional support
Connecting member 18 is first assembled work with the number of parts is increased becomes complicated and multi-steps, had a drawback that the cost is increased. Further , at the time of the assembling, since the spring characteristic of the metal spring member 20 is affected by the flexibility of the conductive flexible member 22, the optical disk 12 of the magnetic field modulation head 10 is not affected.
Contact pressure (vs. disk pressure) p becomes unstable co <br/>, distance L relative to the support connecting means 16 in the magnetic field modulation head 10 is varied with respect to, <br/> in the assembly of the magnetic field modulation head 10 positioning precision had the disadvantage of impaired.

[0005] Accordingly, it is an object of the present invention, the structure is easy
Te moreover to provide a support and attachment of the magnetic field modulation head which can pair disc pressure and positioning <br/> accuracy of the magnetic field modulation head to hold stably and properly.

[0006]

In order to achieve the above object, a support / connection mechanism for a magnetic field modulation head according to the present invention comprises:
Inverted L-shaped support connection means (16) having a drive unit for moving the magneto-optical disk (12) at predetermined intervals in the radial direction, and a magnetic field modulation head (1) for magneto-optical recording at one end.
And a support / connection member (30) mechanically supporting and electrically connecting the laser light pickup (14) to the horizontal bottom of the support connection means (16). The support / connection member (30) is formed by electrically separated conductive spring members (32, 32), and these conductive spring members (32, 32) are connected to the magnetic field modulation head (10) and the support connection means ( 16) disposed between the magnetic field modulation head (10) and the support connection.
Connecting the means (16), and the magneto-optical disk (1
2) above and below the magnetic field modulation head (10) and the laser
An optical pickup (14) is disposed, and the conductive spring member (32, 32) is connected to the support connection means (16).
The magnetic field modulation head (10) is slid in contact with the magneto-optical disk (12) with an appropriate contact pressure by bending at the other end connected to the top of the head and tilting downward toward one end thereof. The laser light pickup (14) disposed below the laser light pickup (14) is positioned so as to appropriately face the laser light pickup (14).

[0007]

In the present invention, the supporting and connecting members are formed of electrically separated conductive spring members, and these conductive spring members are disposed between the magnetic field modulation head and the top of the supporting and connecting means. The magnetic field modulation head and the support connection
Connecting the unit and the top and bottom of the magneto-optical disk
The magnetic field modulating head and the laser light pickup are arranged, and the conductive spring member is bent at the other end connected to the top of the support connection means, and is inclined downward toward one end thereof. The modulation head is brought into sliding contact with the magneto-optical disk with an appropriate contact pressure, and is positioned so as to appropriately oppose the laser light pickup disposed therebelow.

Thus , it is clear that the present invention simplifies the structure. Further, a pair disc pressure and positioning accuracy of the magnetic field modulation head, resulting stably and properly held
That it is also a place that is easily understood.

[0009]

EXAMPLES Next, the support-the magnetic field modulation head according to the present invention
Embodiments of the connection mechanism will be described in detail below with reference to the accompanying drawings. For convenience of explanation, the same reference numerals are assigned to the configuration <br/> the same components shown in FIG. 2, a detailed description thereof will be omitted.

[0010] In FIG 1, the engagement Ru basic configuration to the magnetic field modulation head 10 of this embodiment is common to the conventional structure described above (Fig. 2). Therefore, overlapping, but easy to understand
For, when again be described in FIG. 1, the magnetic field modulation head 10, the water of the support connecting means 16 formed in the inverted L-shape
The laser light pickup 14 is connected and fixed to the flat bottom,
At the same time as facing the laser light pickup 14
The magnetic field modulation head 10 is slid in contact with one surface of the magneto-optical disk 12 at a predetermined contact pressure (to disk pressure) p.
At the other end and contact the top of the support connection means 16 at the other end.
To continue fixed, by the support-connecting member 30, made of mechanically supported Rutotomoni electrically connected. The magnetic field modulation head 10, when moving in a radial direction with respect to the optical disk 12, a head coil 10a that is accommodated in the magnetic field modulation head 10 is held by the same distance L One only synchronized with the movement by located on the laser optical axis 24 of the laser optical pickup 14 to move,
It is configured so that required information is recorded on the magneto-optical disk 12.

However, the supporting and connecting member 30 in the present embodiment is formed by a pair of electrically separated conductive spring members 32, 32.
32 is disposed between the magnetic field modulation head 10 and the top of the support connection means 16 so that the magnetic field modulation head 10 and the support connection
Connecting the connection means 16, and with the magnetic field modulation head 10 on the top and bottom of the magneto-optical disc 12 the laser beam pickups
And the conductive spring member 3
At the other end connected to the top of the support connection means 16, 2 and 32 are bent in a curved shape and inclined downward toward one end. And, the conductive spring member 32,
The magnetic field modulation head 10 provided at one end of the slider 32 is brought into sliding contact with the magneto-optical disk 12 with an appropriate contact pressure p, and is positioned so as to appropriately face the laser light pickup 14 disposed therebelow. It consists of a configuration. In addition, phosphor bronze and / or beryllium copper can be suitably used as the conductive spring members 32 and 32.

As described above, according to the support / connection mechanism of the magnetic field modulation head 10 according to the present invention, the support / connection member 30 is provided.
Are electrically separated from each other by a pair of conductive spring members 32, 32.
Is disposed between the magnetic field modulation head 10 and the top of the support connection means 16 so that the magnetic field modulation head 10 and the support
Connecting the connection means 16, and the optical disk 12
The magnetic field modulation head 10 and the laser light pick
And the conductive spring member 3
2 and 32 are bent in a curved shape on the other end side connected to the top of the support connection means 16 and are inclined downward toward one end thereof, so that the conventional support / connection member 18 and In comparison, first, it is clear that the number of parts is reduced, the assembling work is easy, the assembling man-hour is reduced, and the cost is reduced. In this case, since the terminal processing (soldering processing) of the head coil 10a can be completed at one time via the head core 10b, it is particularly advantageous. Further, the contact pressure (to disk pressure) p of the magnetic field modulation head 10 against the magneto-optical disk 12 and the positioning accuracy (the distance to the support connection means 16) L
It is also easily understood that the contact pressure and the interval L can be stably and appropriately maintained by the specified configuration of the conductive spring member.

[0013] Having described the preferred embodiments of the present invention, the present invention is not limited to the above embodiments, it is possible that many design changes within the scope not departing from the spirit.

[0014]

As described above, the support / connection mechanism of the magnetic field modulation head according to the present invention has an inverted L-shaped support connection provided with a driving unit for moving the magneto-optical disk at a predetermined interval in the radial direction. And a support / connection member mechanically supporting and electrically connecting a magnetic field modulation head for magneto-optical recording at one end, and a laser light pickup connected and fixed to the horizontal bottom of the support connection means. , Said support
Connecting members electrically formed by separate conductive spring member, and arranged these conductive spring member between the top of said support connecting means and the magnetic field modulation head, the magnetic field modulation f
Head and connected with said support connecting means and the laser beam pitch and the magnetic field modulation head above and below the optical disk
And the conductive spring member is bent at the other end connected to the top of the support connection means, and is tilted downward toward one end of the conductive spring member. And has a configuration in which it is slid in contact with an appropriate contact pressure and positioned so as to appropriately oppose the laser light pickup disposed below, so that the number of parts is smaller than that of the conventional support / connection mechanism. And the assembling work becomes easier, and the cost can be greatly reduced. In addition, the contact pressure of the magnetic field modulation head with respect to the magneto-optical disk (with respect to the disk pressure) and the positioning accuracy (the distance with respect to the support connection means) can be stably and appropriately maintained by the configuration of the conductive spring member.

[Brief description of the drawings]

[1] shows one embodiment of a support and connection mechanism of the magnetic field modulation head according to the present invention, (a) is a fragmentary plan view, (b)
FIG.

Figure 2 shows a support and connection mechanism of the conventional magnetic field modulation head, (a) is a schematic plan view and (b) is a fragmentary side view.

[Explanation of symbols]

10 magnetic field modulation head 10a head coil 10b head core 12 magneto-optical disk 14 laser optical pickup 16 supporting connection means 24 laser optical axis 30 support and connecting members 32 and 32 conductive spring member

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-81725 (JP, A) JP-A-5-81726 (JP, A) JP-A-6-203354 (JP, A) (58) Field (Int.Cl. ⁶ , DB name) G11B 11/10 561 G11B 21/20

Claims (1)

(57) [Claims] An inverted L-shaped support connecting means (16) having a drive unit for moving the magneto-optical disk (12) at a predetermined interval in a radial direction, and a magnetic field modulation head for magneto-optical recording at one end. A support / connection member (30) mechanically supporting and electrically connecting the laser light pickup (14) to the horizontal bottom of the support connection means (16); The support / connection member (30) is formed by electrically separated conductive spring members (32, 32), and these conductive spring members (32, 32) are connected to the magnetic field modulation head (10) and the support connection means ( 16) disposed between the top portion of the front
The magnetic field modulation head (10) and the support connection means (16)
Connecting the door, and the top and bottom of the magneto-optical disk (12)
The magnetic field modulation head (10) and the laser light pickup
And the conductive spring member (32, 32) is bent at the other end connected to the top of the support connection means (16) and tilted downward toward one end thereof. The magnetic field modulation head (10) is brought into sliding contact with the magneto-optical disk (12) with an appropriate contact pressure, and is positioned so as to appropriately face the laser light pickup (14) disposed therebelow. A support / connection mechanism for a magnetic field modulation head, comprising: