KR20040091848A - Optical disk - Google Patents

Abstract

PURPOSE: An optical disk is provided to form an inclined surface to thin a rim area toward an outer circumference, thereby easily holding the optical disk. CONSTITUTION: A clamping area(12) is formed around a hollow(11) inside an optical disk. A rim area(2) is formed on an outer circumference of the optical disk. A reproduction area(13) is formed between the clamping area(12) and the rim area(2). The rim area(2) is formed with an inclined surface(21) which is thinned toward the outer circumference. A groove(22) is formed on the inclined surface(21). The inclined surface(21) is inclined at about 30 degrees.

Description

Optical Disc {OPTICAL DISK}

The present invention relates to an optical disc, and more particularly, to an optical disc that can be easily gripped without touching or damaging a reproduction area of the optical disc.

Optical discs are data storage devices capable of recording and reproducing data using light such as lasers. Recently, in accordance with a variety of market demands, ultra-small disc drives capable of reproducing optical discs in mobile devices have been developed. Therefore, as the disk drive becomes smaller, the optical disk used therein must be made smaller.

However, in the case of a small optical disk, there is a problem that it is not easy for a user to handle the small optical disk due to its size. Therefore, in order to solve such a problem, a method of accommodating an optical disc in a cartridge has been developed. However, in the case of using a cartridge, the size of the optical disc drive must be increased, and thus an optical disc can be easily handled while using a raw disc. Development is urgently needed.

1 is a perspective view showing a conventional optical disk shape.

As shown, the conventional optical disk is formed in a disk shape, a hollow 11 is formed in the center to be mounted on the spindle of the drive, a clamping region 12 for clamping is formed around the hollow, and the disk The edge area 2 which is not used for reasons such as ski jump when applying a cover layer of the cover layer or shape distortion when forming is formed on the outer periphery of the disc, and clamps with the edge area 2. A playback area 13 for recording data is formed between the areas 12.

Conventional optical discs have a flat plate shape, and when placed on a flat floor, the user must grip the outer surface of the edge area 2 by hand in order to use the optical disc, but in the case of a micro optical disc, the thickness thereof is thin. It is inconvenient to hold the outer surface of the edge area 2 with bare hands, and the data area 13 may be damaged by gripping using the data area 13 or sliding the bottom surface.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide an optical disk which can be easily gripped without touching or damaging a reproduction area of the optical disk.

1 is a perspective view showing a conventional optical disk shape

2 to 4 show the structure of the first embodiment of the present invention.

2 is a perspective view of an optical disc

3 is a side view of the optical disc of FIG.

4 is a perspective view showing a state of use of the optical disk of FIG.

Fig. 5 is a perspective view showing the optical disk structure of the second embodiment of the present invention.

** Description of the symbols for the main parts of the drawings **

2: border area 11: hollow

12: clamping area 13: playing area

21: slope 22: groove

In order to achieve the above object, the present invention provides an optical disc comprising: a clamping region formed around an inner hollow, an edge region of a disc outer periphery, and a reproducing region formed between the clamping region and the edge region. The edge region provides an optical disc, characterized in that the inclined surface is formed to be inclined so that the thickness is thinner on the outer circumferential side.

Here, the groove is preferably formed on the inclined surface.

In addition, it is effective that the inclined surface is formed to be inclined 30 degrees.

On the other hand, according to another embodiment of the present invention, an optical disc comprising a clamping region formed around an inner hollow, a border region of a disc outer periphery, and a reproducing region formed between the clamping region and the edge region, It provides an optical disk characterized in that the step is formed so as to become thinner on the outer peripheral side.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, in describing the present invention, a detailed description of known functions or configurations will be omitted in order not to disturb the gist of the present invention.

2 to 4 show the structure of the first embodiment of the present invention, FIG. 2 is a perspective view of the optical disc, FIG. 3 is a side view of the optical disc of FIG. 2, and FIG. 4 shows a state of use of the optical disc of FIG. Perspective view.

As shown in these figures, the optical disc of the first embodiment of the present invention has a clamping area 12 formed around the hollow 11 inside, a border area 2 of the disc outer periphery, and the clamping area 12 and It is composed of a regeneration region 13 formed between the edge region 2, the edge region 2 is formed by the inclined surface 21 is inclined so as to become thinner to the outer peripheral side. In addition, the groove 22 is formed on the inclined surface. The inclined surface 21 is preferably about 30 degrees.

3, when the optical disk is placed on the table 3, when the user presses the groove 22 with a pointed object such as a pencil or a ballpoint pen, the optical disk is lifted as shown in FIG. 4 so that the user can easily grip it. .

In addition, even if the portion where the grooves 22 are formed is not pressed, the optical disc is easily lifted by pressing the edge region.

Fig. 5 is a perspective view showing the optical disk structure of the second embodiment of the present invention.

As shown, the optical disc of the second embodiment of the present invention is formed by stepping so that the edge area becomes thinner on the outer circumferential side. The operation is the same as in the first embodiment.

As described above, the embodiment of the present invention can be easily gripped without touching or damaging the playback area of the optical disc.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

The present invention provides an optical disc which can be easily gripped without touching or damaging the reproduction area of the optical disc.

Claims (4)

An optical disc comprising a clamping region formed around an inner hollow, a border region of a disc outer circumference, and a reproduction region formed between the clamping region and the edge region, The edge area is an optical disk, characterized in that the inclined surface is formed to be thinner to the outer peripheral side. The method of claim 1, And an groove is formed in the inclined surface. The method of claim 1, The inclined surface is inclined 30 degrees, characterized in that the optical disc. An optical disc comprising a clamping region formed around an inner hollow, a border region of a disc outer circumference, and a reproduction region formed between the clamping region and the edge region, And the edge area is formed to be stepped to have a thinner thickness on an outer circumferential side.