JPH0482001A - Method for cleaning magnetic head - Google Patents

Abstract

PURPOSE:To remove the stain on not only the upper face part but also both side face parts by applying the pressure to rub both side face parts with fur tips of a roll brush divided by a triangular mountain-shaped guide. CONSTITUTION:An air cylinder 4 applies the pressure downward in the perpendicular direction by the control of air suction and discharging. The pressure from the air cylinder 4 is transmitted to a roll brush 8 through a transmission shaft 6. A common jig 2 is fixed to a set jig 11, and the pressure is successively applied in the direction perpendicular to the axial direction of the rotating roll brush 8. Consequently, fur tips of the rotating roll brush are divided in a lateral direction by a triangular mountain-shaped guide 10, and a pressure rubbing force is given. Thus, fur tips are divided to fur tips in contact with the upper face part of a thin film magnetic head core slider 1 and fur tips in contact with the flank parts of this slider 1, and both side face parts are cleaned by rubbing.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for cleaning a core slider for a thin-film magnetic head, in which both sides of a core slider for a thin-film magnetic head during processing can be cleaned using a roll brush. The present invention relates to a cleaning method that can simultaneously clean the complex-shaped top and side surfaces of a core slider for a thin-film magnetic head during processing using a roll brush.

[Conventional technology] Core sliders for thin-film magnetic heads are cut into a block slider shape from a wafer and placed in a high-precision jig for processing.
It is processed sequentially while being temporarily fixed with wax, then ground,
After grooving, a high-temperature aging process is incorporated. As a result, dirt from the working fluid, wax for fixing, etc. adhere to the core slider for the thin film magnetic head. Mechanical scrubbing is performed to remove adhered dirt. Conventionally, this cleaning process has been carried out using a roll brush in the direction of movement of the core slider for thin-film magnetic heads attached to a common jig. This is done by arranging and rotating multiple . As a result, the tips of the bristles of the brush bend and bounce, resulting in the disadvantage that fixed dirt cannot be sufficiently cleaned. In particular, since the rubbing force of the brush is not applied to both side surfaces of a core slider for a thin film magnetic head, there are many cases in which dirt is adhered to the core slider without being rubbed at all. Therefore, the adhered dirt on the side surface of the thin film magnetic head core slider that is adhered to the common jig is wiped off by a human.

In addition, as related to this type of device, for example, Japanese Patent Publication No. 1. -22757 publication is mentioned.

[Problems to be Solved by the Invention] In the above-mentioned conventional technology, when the bristles of the roll brush rub against the surface of the core slider for a thin-film magnetic head, they bend and bend, so that the bristles of the brush are exposed on both side surfaces. It was difficult to clean both side surfaces. Therefore, there were the following three problems.

(1) The core slider for a thin film magnetic head is processed with high precision in each step, and the external shape of the element formed on one side surface is used as a processing standard during processing. For this reason, if dirt adheres to the element, the processing standard cannot be read, so the dirt is removed manually.

(2) In the wafer state in which the element pattern of the initial process has been formed, a number is engraved for each element on the back surface with a laser. When the core slider for thin-film magnetic heads is fixed to the common jig, the number is engraved on the side surface opposite to the side surface on which the element is formed. person cannot read the number.

(3) During the intermediate process, the side surface of the core slider for the thin-film magnetic head is not sufficiently cleaned, so the dirt that has adhered during the intermediate process is carried over to the subsequent process, and the dirt is removed from the thin-film magnetic head. It is fixed to the side part of the core slider.

An object of the present invention is to provide triangular guides opposite to both side surfaces of a core slider for a thin film magnetic head, to provide a roll brush above the core slider for a thin film magnetic head or above the triangular guide. The top surface and both side surfaces of the core slider for thin-film magnetic heads are scrubbed to clean not only the top surface but also both side surfaces.
It is an object of the present invention to provide a method for cleaning fixed dirt that is always stable.

Another object of the present invention is that the organic solvents conventionally used in the final cleaning process will no longer be able to be used due to regulations in the future. The aim is to optimize the application of brush cleaning using water to provide sufficient mechanical scrubbing.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a triangular mountain-shaped guide attached to a setting jig when the brush of a roll brush rubs a core slider for a thin-film magnetic head. As a result, the brushes of the roll brush are pushed laterally and bent (for example, separated laterally), and the tips of the bristles rub against both side surfaces, thereby cleaning both side surfaces. Furthermore, the top surface and both side surfaces of a core slider for a thin film magnetic head, which has a complicated shape, can be cleaned at the same time.

[Action Co. The present invention provides a core slider for a thin film magnetic head.

In order to clean the side surface with a rotating roll brush while fixed to the common jig, the bristles of the roll brush are divided horizontally into two locations on both sides of the core slider for a thin-film magnetic head ( A triangular chevron-shaped guide (which can be pushed and deflected) is attached, and the brush tip of the roll brush follows the shape of the triangular chevron-shaped guide and cleans by making contact with the side surface of the core slider for the thin-film magnetic head. I do.

[Example code] Hereinafter, one embodiment of the present invention will be described in detail.

FIG. 1 shows a state in which a core slider 1 for a thin film magnetic head is adhered to a common jig 2. As shown in FIG. 3 is an enlarged view of a core slider for a thin film magnetic head.

FIG. 2 shows a roll brush 8, an air cylinder 4. A support stand 5, a transmission shaft 6, and a rotation support part 7 are shown. FIG. 3 is a sectional view showing the relationship between the brush 9 of the roll brush and the triangular mountain guide 10. As shown in FIG.

As shown in FIG. 3, in order to remove dirt stuck to both side surfaces of the core slider for a thin film magnetic head, the roll brush 8 is not applied parallel to the grooves on the top surface of the core slider for a thin film magnetic head. The brushes 9 of the roll brush
Part the tips of the hair horizontally (push and bend the tips) and rub under pressure. According to this embodiment, there is an effect of mechanically scrubbing and removing dirt stuck to both side surfaces of the thin film magnetic head core slider 1 adhered to the common jig 2 installed on the setting jig 11.

Next, I will explain the operation. Air cylinder 4 in Figure 2
However, by controlling the absorption and exhaustion of air, a pressing force of 1 kg±100 g is applied vertically downward. What is the pressure from air cylinder 4?

It is transmitted to the roll brush 8 via the transmission shaft 6.

In FIG. 3, the common jig 2 is fixed to the setting jig 11, and pressing force is sequentially sent in a direction perpendicular to the axial direction of the rotating roll brush 8. 400r, p, m
The tips of the bristles of the brush 9 of the rotating roll brush are divided laterally by the triangular mountain-shaped guide ]-0 to apply a pressurized rubbing force. Core slider for thin-film magnetic head] - divided into a brush that contacts the top surface and a brush that contacts the side surface,
It is now possible to scrub and clean both side surfaces, to which no scrubbing force has conventionally been applied. In order to use the triangular mountain-shaped guide 10 as a notch guide, a material suitable for the flocking pitch of the roll brush 8 and the hardness of the bristles, such as plastic, metal, and ceramic, can be selected.

In the case of this embodiment, the diameter of the nylon bristles is 0.2+am, and the length of the bristles is 10 mm, and the material of the triangular mountain-shaped guide 10 is plastic, and the size is 5 m.
It has been experimentally confirmed that a triangular mountain shape with a radius of 2 mm to 4 mm, a height of 1 mm to 2 mm, and a distance of 2 mm to 4 mm from the core slider 1 for a thin film magnetic head is optimal for m.

According to this embodiment, a large amount of wax, which is fixed dirt, is attached to both side surfaces, and in this state, the bristles of the roll brush divided by the triangular mountain-shaped guide of this embodiment, Since it can be rubbed under pressure, it is possible to remove dirt from the reference patterns for measurement on both sides. As a result, there is an effect that automatic measurement can be performed with high precision. Also, conventionally,
This also has the effect of making cleaning easier during the final cleaning process, since it is possible to clean areas where accumulated dirt increases. In this way, the parts where dirt accumulates due to fixing and processing the core slider for thin-film magnetic heads must be used for high-precision reference measurements, so it is necessary to improve the quality and By simplifying the parts through manual intervention, a streamlining effect can also be expected.

[Effects of the Invention] According to the present invention, when both side surfaces of a core slider for a thin-film magnetic head are dirty, the bristles of the roll brush divided by the triangular ridge-shaped guide rub the both side surfaces under pressure. Therefore, dirt can be removed not only from the top surface of the core slider but also from both side surfaces.

[Brief explanation of the drawing]

1 is a diagram showing a state in which a core slider for a thin film magnetic head is adhered to a common jig, FIG. 2 is a diagram showing a roll brush part of a cleaning device for a magnetic head, and FIG. FIG. 3 is a diagram showing a state in which a thin-film magnetic head core slider and a triangular mountain-shaped guide of the magnetic head cleaning device are in contact with the brush of a roll brush. 1...Core slider for thin film magnetic head, 2...
...Common jig, 3...Enlarged view of core slider for thin film magnetic head, 4...Air cylinder,
5...Support stand, 6...Transmission shaft, 7.
... Rotating support part, 8 ... Roll brush, 9.
... Brush of roll brush, 10-... Triangular mountain guide, 11... Setting jig. Agent: Patent attorney Katsuma Ogawa (1 other person). Figure ! Figure Figure

Claims (1)

[Claims] 1. A triangular guide is provided opposite to both side surfaces of the core slider for a thin film magnetic head, a roll brush is provided above the core slider for the thin film magnetic head or the triangular guide, and a brush of the roll brush is provided. At the same time, the brush of the roll brush is bent laterally by the triangular ridge-shaped guide and scrapes both side surfaces of the core slider for the thin film magnetic head. A method for cleaning a magnetic head, characterized in that: