JP2000021128A - Disk-shaped storage medium and its accommodation case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and securely grasping the sales condition of a product (a disk-shaped storage medium) and the product management such as antitheft without troubling a person, and, furthermore, to transfer various information for guaranteeing not only the information on the product management but also the prevention of illegal copy and reading or the like. SOLUTION: In a disk-shaped storage medium 1, a non-contact-type data carrier (RF-ID) 2 for transferring electromagnetic wave information in a non- contact state is buried into a transparent substrate 11. The non-contact-type data carrier 2 is provided with an antenna circuit 21 and an LSI silicon chip 22 where various kinds of circuits are mounted. Also, the RF-ID 2 may be provided on the non-storage surface of the transparent substrate 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk-shaped storage medium in which various types of storage information are readablely stored.

[0002]

2. Description of the Related Art Conventionally, a CD (compact disk) which is a memory medium developed for music and a CD-RO which is a read-only memory medium used for a computer.
Various disk-shaped storage media such as M, CD-R (write-once disk), MO (magneto-optical disk), and DVD (digital video disk) are widely used.

[0003]

At the time of selling these disk-shaped storage media, the storage case containing the disk-shaped storage medium is usually covered with a packaging film. In order to perform product management such as grasping and preventing theft such as shoplifting, various measures have been taken such as attaching a management barcode or a detachable management tag to the packaging film.

[0004] However, in the above product management method,
In particular, with respect to theft prevention, a sufficient effect cannot be expected because the management barcode and the management tag can be easily removed. Further, at the time of sale, the employee needs to input the fact that the product has been sold to the management barcode or remove the management tag, which is troublesome and complicated.

Accordingly, the present invention has been made to eliminate the above-mentioned drawbacks, and it is intended to easily and surely perform product management such as grasping the sales situation of products and preventing theft without labor. Further, it is another object of the present invention to provide a disk-shaped storage medium and a storage case for the disk-shaped storage medium, which can exchange not only information on merchandise management but also various accompanying information for ensuring prevention of unauthorized copying and reading.

[0006]

A disk-shaped storage medium according to the present invention is a disk-shaped storage medium in which a predetermined pattern corresponding to storage information is formed. A non-contact type data carrier for transmitting and receiving is provided. The non-contact type data carrier receives an electric wave information from the outside with the antenna for transmitting and receiving radio waves, and obtains necessary power and information by electromagnetic induction by receiving radio wave information from the outside. Information communication means for transmitting a processing result, radio wave information and specific information received by the information communication means, an information storage means for readable storage, information received by the information communication means and the information And control means for performing an external process based on the specific information stored in the storage means.

In one aspect of the disk storage medium of the present invention, the information communication means, the information storage means, and the control means are integrated on one chip.

[0008] In one embodiment of the disk-shaped storage medium of the present invention, the chip is embedded in the substrate.

In one aspect of the disk-shaped storage medium of the present invention, the chip is provided on a non-storage surface.

In one aspect of the disk-shaped storage medium of the present invention, the chip is provided in a region on the inner peripheral side of the lead-in.

In one aspect of the present invention, the chip is provided on an outer peripheral edge of the substrate.

In one embodiment of the disk-shaped storage medium of the present invention, the antenna is built in the substrate.

In one embodiment of the disk-shaped storage medium of the present invention, the antenna is provided on a non-storage surface.

In one aspect of the present invention, a loop surface formed by the antenna is substantially parallel to a main surface of the substrate.

In one aspect of the present invention, a loop surface formed by the antenna is substantially perpendicular to a main surface of the substrate.

In one embodiment of the disk-shaped storage medium of the present invention, a central portion is located in a loop plane formed by the antenna.

In one aspect of the disk-shaped storage medium of the present invention, the center is located outside the loop plane formed by the antenna.

In one embodiment of the disk-shaped storage medium according to the present invention, the chip exists inside a loop surface formed by the antenna.

In one embodiment of the disk-shaped storage medium of the present invention, the chip exists outside a loop surface formed by the antenna.

The storage case according to the present invention is a storage case made of a non-metallic material for storing a disk-shaped storage medium on which a predetermined pattern corresponding to storage information is formed. A contact type data carrier, the non-contact type data carrier is an antenna for transmitting and receiving radio waves, and the antenna receives radio wave information from the outside to obtain necessary power and information by electromagnetic induction, and a processing result. Information communication means for transmitting information, an information storage means in which specific information is stored in a readable manner, based on the information received by the information communication means and the specific information stored in the information storage means, And control means for performing processing.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments to which the present invention is applied will be described below in detail with reference to the drawings. FIG. 1 shows the main configuration of the disk-shaped storage medium of the present embodiment. here,
1A is a plan view of the disk-shaped storage medium, FIG. 1B is a cross-sectional view taken along a solid line II ′ in FIG. 1A, and FIG.
Is a cross-sectional view along the solid line II-II 'in FIG.

The disk-shaped storage medium 1 is an example of a CD used exclusively for reproduction of music and images, etc., and is made of polycarbonate, and is provided on a transparent substrate 11 on the surface of which a concavo-convex pattern 13 corresponding to stored information is formed. A light reflection film 12 made of aluminum or an aluminum alloy, and a transparent protection film 14 made of an acrylic acid-based ultraviolet curable resin, and a non-contact type for transmitting and receiving radio wave information in a non-contact state within the transparent substrate 11 Data carrier (RF-I
D) 2 is embedded.

The non-contact data carrier 2 includes an antenna circuit 21 and an LSI silicon chip 22 on which various circuits are mounted. FIG. 2 shows a main circuit configuration of the contactless data carrier 2. Here, the transmission / reception means 3 is a device externally attached to, for example, a store entrance or a storage / reproduction device, and exchanges information signals with the non-contact data carrier 2 as described later.

In the antenna circuit 21, a coil L is wound in a region on the inner peripheral side of the lead-in of the disk-shaped storage medium 1 so as to surround the center hole 15 of the transparent substrate 11, thereby forming a closed loop. And a capacitor C connected in parallel with L. This antenna circuit 21
Is provided for receiving a radio wave transmitted from the transmitting / receiving unit 3 and transmitting a radio wave from the non-contact type data carrier 2 to the transmitting / receiving unit 3.

The LSI silicon chip 22 includes an operating power generation unit 31 and a power generation notifying unit 32 on a chip substrate.
An information processing unit 23 having: an information storage unit 24;
The control unit 25 is mounted.

The operating power generating means 31 receives the radio wave transmitted from the transmitting / receiving means 3 by the antenna circuit 21 and
This is for generating an operation output of the non-contact type data carrier 2, and is configured to accumulate electric power (charge) generated by electromagnetic induction in a capacitor (not shown).

The power generation notifying unit 32 detects that a predetermined amount of electric charge has been stored in the capacitor by the operating power generating unit 31 and notifies the transmitting / receiving unit 3 of the signal. Is output to the antenna circuit 21 and a radio wave is transmitted from the antenna circuit 21 to the transmission / reception means 3 to be notified.

The information storage means 24 is provided with a predetermined transmitting / receiving means 3
The radio wave information transmitted from the storage device is stored, and specific information such as the presence / absence of sale of the disk-shaped storage medium 1 and decryption information for preventing unauthorized copying / reading is stored in advance in a readable manner. Further, the storage content of the information storage means 24 is configured to include the serial number of the disc-shaped storage medium 1 and a part of the storage content, for example, inventory management of a plurality of disc-shaped storage media 1 arranged on a shelf. Etc. can be performed.

The information storage means 24 may be, for example, an FRAM or EEPROM that retains stored information even when the power is turned off.
OM or the like is preferable, and “0”, “
Not only one of binary data consisting of binary data of "1" is stored, but also "00", "0" in one memory cell.
One of binary data consisting of four values of 1 "," 10 ", and" 11 "is stored (or" 000 "to" 11 ").
One of binary data consisting of eight values of 1 "or more may be stored.) A multi-valued memory cell may be used. Further, the information storage means 24 is an SRAM with a built-in battery.
And DRAM, OTP (One Time Programmable) memory,
You may comprise from ROM etc.

The control means 25 executes various commands based on the radio wave information received by the information communication means 23 and the specific information stored in advance in the information storage means 24, and performs processing for the transmission / reception means 3. .

The LSI silicon chip 22 thus configured is connected to the antenna circuit 21 by, for example, a wire bonding method using a gold (Au) wire 26, and its surface is covered with a protective layer 27 made of a mold resin. I have.

In order to manufacture the disk-shaped storage medium 1 having such a structure, first, a transparent substrate 11 in which a non-contact type data carrier 2 is embedded in a predetermined internal portion using polycarbonate as a material is formed by, for example, insert molding. Form. At this time, the antenna circuit 2 wound in an annular shape
The non-contact type data carrier 2 is set so that the LSI silicon chip 22 is located inside the device 1.

On the other hand, it is necessary to sequentially produce a master disk having master storage of various information signals such as music and video, and a stamper based on the master disk. FIG. 3 shows an example of this manufacturing process.

First, as shown in FIG. 3A, a photoresist 42 is applied to a flat glass substrate 41. Subsequently, as shown in FIG. 3B, a photoresist 42 is formed using a laser beam 43 intensity-modulated by the information signal.
Is exposed and so-called cutting is performed. When the photoresist 42 thus cut is developed, FIG.
As shown in (c), a master disk on which a desired resist pattern 42a is formed is obtained.

Next, in order to manufacture a stamper from the master disk, as shown in FIG. 3D, a nickel conductive film 44 is formed on the resist pattern 42a by a technique such as sputtering or vapor deposition. Subsequently, as shown in FIG. 3E, an electroforming process is performed to form a nickel electroformed film 4 on the conductive film 44.
5 is formed. Thereafter, as shown in FIG. 3F, the stamper 46 is obtained by peeling the electroformed film 45 from the disk master. If necessary, the electroformed film 4 may be used.
The stamper 46 can be obtained by preparing a mother stamper from No. 5 and subjecting the mother stamper to electroforming similarly.

As another preferable method for producing a master disc, a UV curable resin is uniformly applied on a glass substrate, and a mother prepared by a known method is pressed on the UV curable resin. After transferring the uneven pattern of
The ultraviolet curing resin is irradiated with ultraviolet rays to be cured, and the stamper is peeled off. By repeating these steps, it is possible to obtain a sheet-shaped disc master 48 on which six master recording sections 47 are formed, for example, as shown in FIG.

Then, using the obtained stamper, the concavo-convex pattern 13 is transferred to the transparent substrate 11 in which the non-contact type data carrier 2 is embedded. At this time, the adjustment is performed so that the non-contact type data carrier 2 is located inside the lead-in. Thereafter, the reflective film 12 is formed using aluminum or an aluminum alloy as a material so as to cover the aluminum or the concavo-convex pattern 13. Then, a transparent film made of an acrylic acid-based ultraviolet curable resin is formed so as to cover the reflective film 12 and make the surface flat. By forming the protective film 14, a desired disk-shaped storage medium 1 can be obtained.

The disk-shaped storage medium 1 manufactured as described above
As shown in FIG. 5, is sold in a non-metallic material, for example, a plastic storage case 4 at the time of sale, and is further made into a product in a state covered with a packaging film. Less than,
Some suitable applications unique to the disk-shaped storage medium 1 will be described.

(1) Product Management at Sale First, a series of flow of product management such as grasping the sales situation of the product and preventing theft such as shoplifting will be described.

First, when the payment has not been completed, the information storage means 24 of the non-contact type data carrier 2 embedded in the disk-shaped storage medium 1 of the product stores storage information indicating that the payment has not been made. I have. If the user tries to take the product out of the store in this state, the information communication unit 23 receives the radio wave information transmitted from the transmission / reception unit 3 installed at the entrance of the store, for example, and the information signal stored in the information storage unit 24 is It is transmitted to the transmission / reception means 3 based on a command from the control means 25. Then, the fact that payment has not been made is determined by the transmission / reception means 3, and a predetermined alarm is activated.

On the other hand, if the product has been sold and the payment has been made, the information signal stored in the information storage means 24 of the contactless data carrier 2 is rewritten by a predetermined register at the time of payment, and the payment is made. Storage information indicating that the payment has been completed is stored. If the user attempts to take the product out of the store in this state, the transmission / reception means 3 determines that the payment has been made by the same operation as described above, and is considered to be in a proper state, and the alarm is activated. Never.

Of course, such a product management method can be applied not only to the case of selling products, but also to the case of lending products.

As described above, since the non-contact type data carrier 2 is embedded in the disc-shaped storage medium of the present embodiment, a management bar code or a removable bar code is attached to the packaging film to prevent theft. There is no need to attach a management tag or the like, which saves time and effort when selling. In the case where a management barcode or a detachable management tag is attached as in the related art, these can be relatively easily removed, and there is a possibility that the intention of preventing theft is easily lost. On the other hand, in the present embodiment, it is impossible to remove the non-contact data carrier 2 without destroying it, and it is possible to reliably prevent theft.

(2) Prevention of Unauthorized Copying / Unauthorized Reading Next, a case where it is necessary to restrict copying and reading of the storage information of the disk-shaped storage medium will be described.

For example, an encryption for restricting copying or reading of storage information is stored in the disk-shaped storage medium, and an encryption key for decrypting the encryption is stored in the information storage means 24 of the non-contact type data carrier 2. Is stored. In this state, for example, even if an attempt is made to copy or read the disk-shaped storage medium using a device having no decryption function (such as a storage / reproducing device), the decryption is impossible and the copy or read is prohibited. You.

On the other hand, when an attempt is made to copy or read a disk-shaped storage medium using a device having a decryption function, the information communication means 23 receives radio wave information transmitted from the transmission / reception means 3 provided in the device. , Information storage means 24
Is transmitted to the transmission / reception means 3 based on a command from the control means 25. Then, decryption is performed based on the decryption key, and copying and reading can be performed as usual.

It is to be noted that not only the case where the copying and reading are completely controlled but also the case where the number of copying and reading, the time, the sector and the like are limited, for example, can be partially controlled.

As described above, according to the disk-shaped storage medium 1 of the present embodiment, by storing the specific information such as the decryption key in the non-contact type data carrier 2 embedded therein, an unauthorized Various additional functions such as prohibition of copy / read can be realized.

(3) Application to Juke Box and Multiple Reading Player Next, a case where a non-contact type data carrier capable of multi-reading is incorporated in the disc-shaped storage medium 1 will be described.

With a large number of disc-shaped storage media 1 inserted in a juke box or a multiple reading player,
It is possible to select and play back one disk-shaped storage medium. Specifically, the radio wave information transmitted from the transmitting / receiving means 3 provided in the juke box or the multi-reading player is received by the information communication means 23, and the identification information stored in the information storage means 24 is transmitted to the instruction of the control means 25. Is transmitted to the transmission / reception means 3 based on. Then, a disk-shaped storage medium is selected based on the identification information, and the stored information is read.

As described above, according to the disk-shaped storage medium 1 of the present embodiment, the non-contact type data carrier 2 can be used for identification, which can contribute to a great improvement in convenience.

It should be noted that the disk storage medium of the present embodiment can be used in various applications other than the above (1) to (3). For example, the present invention can be applied to a desired battle game using e-commerce, the Internet, or the like. At that time, a non-contact data carrier is used to regulate stored information and to increase the range of convenience in exchanging information. It can be spread and promoted.

As described above, according to the disc-shaped storage medium 1 of the present embodiment, by embedding the non-contact type data carrier 2 in the transparent substrate 11, it is possible to grasp the sales situation of the product and prevent theft. Product management can be performed easily and reliably without labor, and not only information of product management but also various accompanying information for ensuring prevention of unauthorized copying and reading can be exchanged.

Here, some modifications of the disk-shaped storage medium of the present embodiment will be described. In these modified examples, the same components and the like as those of the disk-shaped storage medium 1 of the present embodiment are denoted by the same reference numerals and description thereof is omitted.

(Modification 1) First, Modification 1 will be described. Here, an example of a disk-shaped storage medium having substantially the same configuration as that of the present embodiment will be described with reference to FIG. 6, but the embedded portions of the antenna circuit 21 and the LSI silicon chip 22 constituting the non-contact type data carrier 2 are different. . 6 (a) and 6 (b), the antenna circuit 21 is shown in FIG.
The description of the LSI silicon chip 22 is omitted in (c) to (e).

First, as shown in FIG. 6A, the LSI silicon chip 22 is in non-contact with the transparent substrate 11 in the area corresponding to the stored information, that is, the area inside the lead-in and outside the lead-out. The mold data carrier 2 may be embedded. Further, as shown in FIG. 6B, a predetermined external adapter may be used and arranged on the outer peripheral edge of the disk-shaped storage medium 1.

Next, regarding the antenna circuit 21, other than the case where the center hole 15 is located in the loop plane formed by the antenna circuit 21 as in this embodiment, FIG.
As shown in (c), the antenna circuit 21 may be provided so that the center hole 15 is located outside the loop plane formed by the antenna circuit 21. In this case, in consideration of the imbalance of the weight distribution which becomes a problem when the disk-shaped storage medium 1 rotates at a high speed, for example, four non-contact data carriers 2 are provided at symmetrical positions as shown in FIG. It may be.

Also, as in the present embodiment, the antenna circuit 2
In addition to the case where the loop surface formed by 1 is substantially parallel to the main surface of the transparent substrate 11, as shown in FIG. 6E, the loop surface is substantially perpendicular to the main surface of the transparent substrate 11. An antenna circuit 21 may be provided.

In addition to the first modification, for example, when the disc-shaped storage medium 1 is for single-sided storage, the non-contact type data carrier 2 may be provided on the non-storage side, that is, on the back side of the storage side. Good. In order for the non-contact type data carrier 2 to function well, it is sufficient that the antenna circuit 21 and the LSI silicon chip 22 are electrically connected.
Variations of (a) and (b) and FIGS. 6 (c) to 6
It is also possible to independently combine the variation of (e).

In this embodiment, the non-contact type data carrier has been described.
And the contact portion is used for the LSI silicon chip 22.
May be transmitted and received.

(Modification 2) Next, Modification 2 will be described. Here, as shown in FIG. 7, the non-contact type data carrier 2 is provided not in the disk-shaped storage medium 1 but in the storage case 4 thereof. The second modification is suitable for application when there is a situation where the non-contact data carrier 2 cannot be provided on the disk-shaped storage medium 1 or when the main focus is on theft prevention or the like.

As described above, according to the modifications of the present embodiment, in addition to the effects of the present embodiment, the disk-shaped storage medium 1
The non-contact type data carrier 2 can be provided according to the nature and circumstances of the device, and it is possible to deal with an extremely wide variety of disc-shaped storage media.

The non-contact type data carrier 2 is used for daily necessities.
, The product management such as theft prevention may be performed. For example, it is suitably applied to writing instruments, books, various miscellaneous goods, and the like.

[0064]

According to the disk-shaped storage medium of the present invention, it is possible to easily and surely manage the merchandise, such as grasping the sales situation of the merchandise and preventing theft, without troublesome humans. In addition to the above information, it is possible to transmit and receive various accompanying information that guarantees prevention of unauthorized copying and reading.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating a main configuration of a disk-shaped storage medium according to an embodiment.

FIG. 2 is a block diagram illustrating a main configuration of a contactless data carrier.

FIG. 3 is a schematic cross-sectional view illustrating an example of a method for manufacturing a disk-shaped storage medium according to the present embodiment.

FIG. 4 is a schematic cross-sectional view showing another example of the method for manufacturing a disk-shaped storage medium according to the embodiment.

FIG. 5 is a perspective view showing a state when the disk-shaped storage medium of the embodiment is distributed as a product.

FIG. 6 is a schematic diagram showing various modifications of the disk-shaped storage medium of the embodiment.

FIG. 7 is a perspective view showing a state in which a non-contact type data carrier is provided in the storage case of the disk-shaped storage medium according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc-shaped storage medium 2 Non-contact type data carrier (RF-ID) 3 Transmission / reception means 4 Storage case 11 Transparent substrate 12 Light reflection film 13 Uneven pattern 14 Transparent protective film 15 Center hole 21 Antenna circuit 22 LSI silicon chip 23 Information processing means Reference Signs List 24 information storage means 25 control means 26 gold wire 27 protective layer 31 operating power generation means 32 power generation notification means 41 glass substrate 42 photoresist 42a resist pattern 43 laser beam 44 conductive film 45 electroformed film 46 stamper 47 master recording unit 48 sheet Disk master

Claims (15)

[Claims] 1. A disc-shaped storage medium on which a predetermined pattern corresponding to stored information is formed, comprising: a non-contact data carrier for transmitting and receiving radio wave information in a non-contact state to a non-formed portion of the predetermined pattern; The non-contact data carrier, an antenna for transmitting and receiving radio waves, information communication means for receiving the radio wave information from the outside with the antenna to obtain the necessary power and information by electromagnetic induction, and for transmitting the processing result, Information storage means in which radio wave information and specific information received by the information communication means are readablely stored, and based on the information received by the information communication means and the specific information stored in the information storage means, A disk-shaped storage medium, comprising: control means for performing processing to the outside. 2. The disk-shaped storage medium according to claim 1, wherein the information communication unit, the information storage unit, and the control unit are integrated on one chip. 3. The disk-shaped storage medium according to claim 2, wherein said chip is embedded in said substrate. 4. The disk-shaped storage medium according to claim 2, wherein said chip is provided on a non-storage surface. 5. The disk-shaped storage medium according to claim 2, wherein the chip is provided in a region on the inner peripheral side of the lead-in. 6. The disk-shaped storage medium according to claim 2, wherein said chip is provided on an outer peripheral edge of said substrate. 7. The disk-shaped storage medium according to claim 2, wherein the antenna is built in the substrate. 8. The disk-shaped storage medium according to claim 2, wherein the antenna is provided on a non-storage surface. 9. The antenna according to claim 2, wherein a loop surface formed by the antenna is substantially parallel to a main surface of the substrate.
9. The disk-shaped storage medium according to any one of items 1 to 8. 10. The disk-shaped storage medium according to claim 2, wherein a loop surface formed by the antenna is substantially perpendicular to a main surface of the substrate. 11. A method according to claim 2, wherein a central portion is located in a loop plane formed by said antenna.
Item 10. The disk-shaped storage medium according to item 1. 12. The disk-shaped storage medium according to claim 2, wherein a central portion is located outside a loop plane formed by the antenna. 13. The antenna according to claim 2, wherein said chip is inside a loop surface formed by said antenna.
3. The disk-shaped storage medium according to any one of 2. 14. The device according to claim 2, wherein said chip is located outside a loop surface formed by said antenna.
3. The disk-shaped storage medium according to any one of 2. 15. A storage case made of a non-metallic material for storing a disk-shaped storage medium on which a predetermined pattern corresponding to storage information is formed, comprising a non-contact type data carrier for transmitting and receiving radio wave information in a non-contact state. The non-contact data carrier includes an antenna for transmitting and receiving radio waves, and an information communication means for receiving radio wave information from the outside with the antenna to obtain necessary power and information by electromagnetic induction and transmitting a processing result. An information storage unit in which specific information is readablely stored, and a control unit for performing an external process based on the information received by the information communication unit and the specific information stored in the information storage unit. A storage case characterized by including.