JP3120693B2 - Head device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head device for an analog compact cassette tape in which a wound magnetic head and a thin film head chip are combined.

[0002]

2. Description of the Related Art Conventionally, a high-end analog compact cassette tape apparatus uses a wound magnetic head in which each head for recording, reproducing and erasing is separated. Hereinafter, an example of the conventional head device will be described with reference to the drawings. FIG. 4 shows the configuration of a conventional head device. In FIG. 4 , reference numeral 21 denotes a wound magnetic head for reproduction (hereinafter referred to as a reproducing head), and 22 denotes a wound magnetic head for recording (hereinafter referred to as a recording head). , 23 is the tape 24
Is a tape guide that guides the user. Reference numeral 25 denotes a head base, which forms a mounting portion for the wound magnetic heads 21 and 22 and a mounting portion for other members, and holds the tape guide 23.

The tape guide 23 has a function of guiding the side surface of the tape 24, and is fixed at a position required to guide the tape 24 from the reference surface B of the head base 25. The reproducing head 21 and the recording head 22 are mounted so as to correspond to the tracks of the tape 24 guided by the tape guide 23, and are fixed to the head base 25 so that the relative position of the head gap is within a predetermined range. .

[0004]

However, in the configuration of the head device using the above-mentioned conventional wound type magnetic head, high-precision assembly is required. Therefore, in general, a tape is run and recorded on the tape. The adjustment is performed while reproducing the reference signal. In order to assemble the head device, it is necessary to run the tape. Therefore, a large-scale assembling device for inserting the tape traveling device and the wound magnetic head from the rear surface of the head base and mounting it so as to correspond to the tape track is used. There was a problem that it became necessary.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a head device that realizes high-precision assembly while simplifying the assembly device by eliminating assembly by tape running. It is a thing.

[0006]

In order to solve the above-mentioned problems, a head device according to the present invention comprises a wound magnetic head, a thin-film head chip having a head gap formed on a surface by forming a head gap with a thin film. A head device having a head base to which both heads are attached, wherein the head base includes a tape guide for guiding a side surface of the tape, an attachment portion to another member, and a bottom of the wound magnetic head .
A first surface to which a surface can be attached and a side surface of the wound magnetic head
And a second surface on which the
Tape running width and head gap of wound magnetic head
There a wire-wound magnetic head mounting section having an abutment so as to expose, in which a thin film head chip has a configuration having a attachable thin film head chip mounting surface to be positioned on the head base front.

In the head device according to the present invention, the position of the head base in the tape running direction and the tape running relative to the tape guide are determined by attaching the head to the winding type magnetic head mounting portion of the head base. The verticality, the amount of protrusion from the head base, the parallelism with respect to the tape, and the track height are determined. By attaching the thin film head chip to the head base mounting surface of the thin film head chip , the gap of the wound magnetic head is determined. and then, the position of the tape running direction, which is constituted such that positioning of the perpendicularity and the track height is performed on the tape running.

Further, the head apparatus of the present invention, portions with the winding-linear magnetic heads in the head base is obtained by constituting the wire-wound magnetic head so as to insert positioning the head based backward.

[0009]

The configuration DETAILED DESCRIPTION OF THE INVENTION The present invention described above, the wire-wound magnetic head mounted so as to correspond to the tracks of the tape is guided to the tape guide mounting portion of the head base Rutotomoni, thin film head chip the wire-wound It can be attached to the side of the magnetic head to correspond to the track of the tape guided by the tape guide,
By eliminating the assembly by tape running, the assembly device can be simplified and high-precision assembly can be realized.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the head device according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a top view of a head device according to an embodiment of the present invention, FIG. 2 is a front view of the same, and FIG. 3 is a cross-sectional view showing a head assembling direction along the line AA in FIG. In the figure, 1 is a wound magnetic head, 2 is a thin film head chip having a head gap formed by a thin film, 3
Is a head base on which the wound magnetic head 1 and the thin-film head chip 2 are mounted, and the head base 3 is a mounting portion to the tape guide 6 and other members in addition to the mounting portions 4 and 5 of the heads 1 and 2. 7 are formed. 8 is the tape guide 6
The tape is guided while being in contact with the heads 1 and 2 and travels.

The wound magnetic head 1 is mounted at the mounting portion 4 of the head base 3, and is inserted from the rear surface of the head base 3 to form side wall surfaces 4 a and 4 b constituting the mounting portion 4.
And the contact portions 4c to 4f make the wound magnetic head 1
The side surfaces 1a and 1b and the front surface 1c are positioned and attached with an adhesive or the like. Here, the wound magnetic head 1 is mounted on a tape 8 guided by a tape guide 6.
The track is attached with reference to the tape guide 6 so as to correspond to the track No.

That is, the side surfaces 1a, 1b of the wound magnetic head 1 are provided on the side walls 4a, 4b provided on the head base 3.
By pressing b, the head gaps 1d and 1e of the wound magnetic head 1 correspond to the tracks of the tape 8, and the position in the tape running direction, the perpendicularity to the tape running, the parallelism to the tape, and the track height are determined. It is formed so that. The amount of protrusion of the wound magnetic head 1 from the head base 3 is
Of the front surface 1c of the head base 3 with the contact portions 4c to
It is positioned by pressing against 4f.

The thin film head chip 2 is mounted on a mounting surface 5 provided on the head base 3 by being fixed with an adhesive or the like. Here, the thin film head chip 2
The head gap 2a on the front surface is
Is attached so as to correspond to the track of the tape 8 guided by the tape. When mounting the thin film head chip 2,
The winding type magnetic head 1 is mounted by positioning the tape in the tape running direction, the perpendicularity to the tape running, and the track height based on the gaps 1d and 1e of the wound magnetic head 1. The amount of protrusion in the tape 8 direction is set. It is determined by the surface 5.

[0014]

As described above, the head device according to the present invention comprises a wound magnetic head, a thin film head chip having a head gap formed on a surface by forming a head gap by a thin film, and a head having both heads attached thereto. A head device comprising a base, a head guide, a tape guide for guiding a side surface of the tape, a mounting portion to another member, and a first surface on which a bottom surface of the wound magnetic head can be mounted.
A second surface to which the side surface of the wound magnetic head can be attached;
At least the surface of the tape of the wound magnetic head
Hold the abutment so that the running width and head gap are exposed.
One and wire-wound magnetic head mounting portion, attachable membrane header to the thin film head chip located on the head base front
And a wound type magnetic head, wherein the first surface, the second surface, and the contact surface are provided on the mounting portion of the head base.
The mounted so as to correspond to the tape track to be guided by the tape guide <br/> Rutotomoni, thin film head chips of said head base film by respectively abutting the
By attaching to the head chip mounting surface,
Since the side of the wire-wound magnetic head Dobesu those configured for attachment as corresponding to the track of the tape which is guided by the tape guide, simplification of the assembly apparatus abolished the positioning by the tape running Can be achieved.

The head base of the wound magnetic head is
Positioning the head base in the tape running direction, perpendicularity to the tape running, amount of protrusion from the head base, parallelism to the tape, and positioning of the track height with respect to the tape guide of the head base by mounting to the winding type magnetic head mounting part. Is made of thin film head chip head base
By mounting on the thin film head chip mounting surface, the position in the tape running direction, the perpendicularity to the tape running and the positioning of the track height are performed based on the gap of the wound magnetic head, and further, Wirewound magnetic heads Mounting portion in the head base by configuring the wire-wound magnetic head so as to be inserted from the rear of the head base positioning, which can realize the assembly of higher precision, very This is an effective invention.

[Brief description of the drawings]

FIG. 1 is a top view of a head device according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a cross-sectional view showing a head assembling direction along an AA cross section in FIG. 2;

FIG. 4A is a top view of a conventional head device, and FIG.
The figure is the side view

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wound type magnetic head 1d, 1e Head gap 2 Thin film head chip 2a Head gap 3 Head base 4 Mounting part 4c-4f Contact part 5 Mounting surface 6 Tape guide 7 Head base mounting part 8 Tape

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Yoshihito Izawa 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-258234 (JP, A) JP-A-61-21111 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) G11B 15/60 G11B 5 / 127 G11B 5/31

Claims (3)

(57) [Claims] 1. A head device comprising a wound magnetic head, a thin film head chip having a head gap formed on a surface by forming a head gap by a thin film, and a head base to which both heads are attached, said head base includes a tape guide for guiding a side surface of the tape, and attachment to other members, the first plane bottom <br/> mountable to the wire-wound magnetic head and the wire-wound magnetic head Side
A mountable second surface and at least the winding on a front surface;
The tape running width and head gap of the linear magnetic head
A winding type magnetic head mounting portion having an abutting portion that is exposed, and a thin film head chip mounting surface capable of mounting the thin film head chip so as to be located on the front surface of the head base,
The wound magnetic head is attached to the mounting portion of the head base.
Abuts on the first surface, the second surface and the abutment surface, respectively
The mounted to the track of the tape which is guided in the tape guide Rutotomoni, the thin film head chip preparative thin-film head chips of the head base by
The head base is attached to a side of the wound magnetic head of the head base so as to correspond to a tape track guided by the tape guide .
Head apparatus characterized in that it is. 2. A winding of a head base of a winding type magnetic head .
The attachment to type of magnetic head mounting portion, referenced to the head base of the tape guides, the position of the tape running direction, perpendicularity relative to the tape running, the amount of protrusion from the head base, the positioning of the parallelism and truck height for tape Done , thin-film head-based head chip
The attachment to the thin film head chip mounting surface, said the winding relative to the gap of the linear magnetic head, characterized by being constructed so that the position of the tape running direction, the positioning of the perpendicularity and the track height for the tape running is performed The head device according to claim 1. 3. A wire-wound magnetic heads in the head base
Unit Mounting the head device according to claim 1 or 2, wherein the configuring the wire-wound magnetic head so as to insert positioning the head based backward.