JPS62165713A - Manufacture of magnetic head - Google Patents

Abstract

PURPOSE:To improve the working efficiency by forming incorporated with an amorphous core half stuck to a half of a reinforcing core having an area nearly twice of that of said half, pressing, sticking and incorporating each two chips so as to form an operation gap. CONSTITUTION:Plural number of amorphous thin bodies 1 having a thickness of 10-30mum corresponding to a prescribed track width are laminated. In this case, in requiring an azimuth angle, they are laminated while being tilted by a prescribed angle. Then a winding slot 3 is processed to the laminated block 2, the face provided with the winding slot 3, that is, the butt face is ground and an SiO2 film for a spacer is applied on the processed face. Then a reinforce ment core is stuck to one side of the amorphous core half 4 obtained by decom posing the laminated block 2 to form the chip 6. The reinforcement core 5 has a size nearly twice of that of the core half 4 and is made of glass or the like and provided with a winding hole 7.

Description

DETAILED DESCRIPTION OF THE INVENTION B) Industrial Application Field The present invention relates to a method of manufacturing a magnetic head and a method of manufacturing an amorphous magnetic head.

(b) Conventional technology The magnetic head industry consists of a main core formed by combining a pair of amorphous core halves kf14fll with a gap formed therein, and a reinforcing core placed on each of the main cores. As one of the conventional methods, the patent application
There is one disclosed in No. 0476. Is there a match between the amorphous core and half-break when a gap is formed? This is done by simultaneously pressing from all sides using a jig.

In addition to this, there is a method using a metal frame with a springy base to easily butt the amorphous core halves together! ! IM No. 58-212928 Vc3 has been proposed. There is also a method using tapered crushing (Japanese Patent Application No. 59-268799), and a method in which a tapered groove is provided on the head base and the amorphous core halves are butted together using this groove! : 1 line method (load, llI 1984-2
35802) etc. have also been proposed.

In addition to Sono, we reinforced the amorphous core half with a -τl11-sided reinforced core, joined these half cores together to form a gap metal, and at the same time, reinforced the amorphous core with one reinforcing core on the opposite side. Method of integrating the whole into one (patent application 1986)
-209377) has also been proposed.

(c) Problems to be solved by the invention However, each of the above-mentioned conventional examples has n drawbacks.
are doing.

Namely, Japanese Patent Application No. 57-t80476, Japanese Patent Application No. 58-21
No. 2928, Japanese Patent Application No. 59-268799, and Japanese Patent Application No. 59-235802 all disclose methods for handling amorphous core halves of minute parts that are thin and uneven (20 to 30 μm thick) when butted together. However, it has the disadvantage of poor work efficiency. '! E7t, narrow F' of magnetic head
In order to achieve racking, the core thickness of the amorphous core half is seven-dimensional.Tlc#<(15μm or less)
! : There was also the problem that the amorphous core was locally deformed due to the pressure applied to it at the time of pressing, and good gap formation was not achieved.
In No. 209577, when the amorphous core halves are butted together, they are simultaneously supported by a reinforcing core of one VC. In other words, it is necessary to independently and simultaneously apply pressure in the left and right directions and pressure in the vertical direction, which complicates the construction of the jig S.

If the balance between the butt force and the pressing force is not good, problems will occur if there is not a good gap.

2) Is there a way to solve all the problems? I--A step of forming all the chips integrated with adhesive, and a step of press-welding the chips two by two with a working gap formed, and then integrating them with adhesive.

(E) Function In the present invention, when amorphous core halves are butted together, they are not handled alone but are handled in the form of a chip combined with a reinforcing core of approximately 2 mm in size to provide reinforcement. Pressing force is applied to the amorphous core half through the core. In this state, we administer anti-injury drugs and all employees are suspended from work.

(f) Implementation Example Thickness corresponding to the specified trunk width (10 μm to 60 μm
) of amorphous thin body (IJ?r shown in Fig. 1(a)) are laminated in multiple layers.At that time, if an azimuth angle is required, the layers are stacked at a predetermined angle +f forward tilt. The arrows are made of laminated blocks (2J
When the winding groove (3) is machined as shown in Fig. 1 (b), V
C% The surface where the winding groove (3) is provided, that is, the butt surface, is polished, and a SiO2 film for a spacer is formed thereon.

After that, the laminated block (2) is decomposed, and each amorphous core (4J Ci 1 Fig. Half VC@Ki Amorphous Score Half Vacation (4) Golden Ensign [
Figure 1 (see dJ(e)), the step of integrating the reinforcing core (5) and the amorphous core half-break (4) (6J'k
Create. Here, the reinforcing core (5) is assumed to have a size t+f approximately equal to the size of the amorphous core half (4), and its material is glass, and the tape sliding contact is a ferrite material made of glass. A winding hole (7) is provided in the reinforcing core (5). A chip (6) formed as shown in Figure 1 (e)
) thickness u60pWI ~150p! It becomes.

Tip (6J rc Head base (
8), and on top of that chip (6), there is another pair of steps (6J) and a valley chip (6J) as shown in Figure 6.
6) (6 amorphous core half-breaks (4) (4) are pressed against the edge forming gap 7" CG). In this case @
As for the pressing force, only the pressing force (F3), which is the result of the tight butting force (F2) for gap formation and the upper and lower restraints (Fl), as shown in FIG. 5, needs to be applied to the upper jaw.

Appropriate adhesive means can be used while applying pressure in this way.

For example, the two chips (6) (6) are bonded and integrated using a bonding agent or the like. Following the imitation, the tape sliding contact surface VCR is polished and the magnetic head 7 is completed by advancing up through the winding hole (7) into the winding groove (3) and winding the coil. It is composed of a main core consisting of an amorphous core half fa (41) and reinforcing cores (5) (5J) arranged on both sides of the raw core.

(G) Effects of the Invention According to the present invention, it becomes possible to handle the amorphous core (+') and the reinforcing core as an integral part, and the pressure required to obtain the pressure contact force when forming the gap can be applied from one direction. It has the effect of significantly improving work efficiency, such as requiring only C.

[Brief explanation of drawings]

1, 2, 6, 4, and 5 all illustrate the method of the present invention. (4)...Amorphous core half, L5J-...Reinforced core, F61...Chip, (G]...Guyang.

Claims (1)

[Claims] (1) A method for manufacturing a magnetic head comprising a main core formed by combining a pair of amorphous core halves so as to form an operating gap, and reinforcing cores respectively disposed on both sides of the main core, the method comprising: Approximately 2 of the amorphous core halves
A step of forming a chip by adhering and integrating the amorphous core halves on each half of a reinforcing core having double the area, and a step of press-welding the chips two by two so that an operating gap is formed and adhering and integrating them. A method of manufacturing a magnetic head comprising: