JP2003036432A - Cd with ic chip, film with ic chip for cd pasting and method for attaching inherent id to cd - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a CD with an IC chip whose manufacturing cost is low and whose thickness is <=1.5 mm being a standard CD thickness even though an IC is added. SOLUTION: The thickness of a CD 10 before attaching an IC chip is <=1.235 mm. A film part 20 whose thickness including the IC chip is <=0.25 mm is pasted on the surface of the CD, and the total thickness of the CD with the film part pasted is <=1.5 mm.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a C with an IC chip.
Film with IC chip for attaching D and CD and C
A method of assigning a unique ID to D.

[0002]

Optical recording media such as CDs (Compact Discs) are widely used for recording music and computer programs. In such a conventional optical recording medium, a digital signal is recorded by providing recesses called pits, but since the pits are provided on the substrate by injection molding of synthetic resin using a stamper, a large number of optical recording media are manufactured. At this time, all the same information is recorded. Therefore, the information recorded on the CD cannot be used as a means for specifying one CD, and therefore, a method in which a magnetic recording portion is provided and a method in which a bar code is printed are known in order to specify the CD. Has been. on the other hand,
A technique for embedding or pasting an IC chip, which operates by obtaining electric power by electromagnetic induction, in a CD has also been developed (JP-A-11-161551 and JP-A-2000-1329).
45 publication).

[0003]

However, in such a conventional technique, the IC chip is embedded in the synthetic resin substrate of the CD or the IC chip is attached to the surface of the synthetic resin substrate of the CD. , The former has a problem that it is necessary to machine the synthetic resin substrate of the CD, which is troublesome and therefore the manufacturing cost is high, and the latter has a problem that the thickness of the CD is 1.5 mm, which is a standard of the thickness of the CD. There was a problem that the value below was exceeded.

Therefore, although the present invention has a structure in which the IC chip is attached to the CD, the total thickness after the IC chips are attached is the standard of the CD thickness.
A first object of the present invention is to provide a CD with an IC chip having a size of 5 mm or less. In addition, IC on the conventional CD
Since a CD with an IC chip can be easily provided by attaching a film on which a chip is mounted, it is a second object of the present invention to provide such a film with an IC chip for attaching CD. Further, when such a CD with an IC chip is used, the unique information recorded in advance in the IC chip can be used as the information for identifying the CD, so that the optical recording of the CD using the information. It becomes possible to write information unique to the information of the part. Therefore, the present invention uses the unique ID for the CD.
A third object is to provide a method of application.

[0005]

To achieve the first object, in the present invention, the thickness of the CD before the IC chip is attached is 1.235 mm or less, and the film portion including the IC chip has a thickness of 0. One having a thickness of 0.25 mm or less is attached to the surface of the CD, and the total thickness of the CD and the film portion where the film portion is attached is 1.5 mm or less.

Further, in order to achieve the above second object, in the present invention, an IC attached to a CD having a thickness of 1.235 mm is used.
The thickness of the film portion including the chips is 0.265 mm or less, and the total thickness after bonding is 1.5 mm or less.

Further, in order to achieve the third object, in the present invention, the thickness of the CD before mounting the IC chip is 1.
An IC with a unique ID recorded, set to 235 mm or less
A chip that includes an IC chip and has a thickness of 0.265 mm or less is attached to a CD in advance, or a unique ID of the IC chip is recorded in advance, and the film part including the IC chip is included. Has a thickness of 0.
A device of 25 mm or less is attached to a CD, the ID is read from the IC chip, and the read ID is recorded in the optical recording portion of the CD.

That is, according to the present invention, an IC chip-equipped CD in which an IC chip is provided in a place other than the optical recording portion of the CD
In the above, the thickness of the CD before attaching the IC chip is 1.235 mm or less, the thickness of the film portion including the IC chip is 0.265 mm or less, and the CD of the portion to which the film portion is attached is attached. And the total thickness of the film portion is 1.5 mm or less I
A CD with a C chip is provided.

Further, according to the present invention, there is provided a film with an IC chip for providing an IC chip at a place other than an optical recording portion of a CD, wherein the film with an IC chip has a thickness of 0.265 mm or less. An IC chip-attached film for CD attachment is provided, in which an adhesive is applied to one surface of the IC chip-attached film, and a sheet covering the adhesive is provided.

Further, according to the present invention, there is provided a method of giving a unique ID to a CD having an IC chip, wherein the thickness of the CD before mounting the IC chip is 1.235 mm.
The steps to be set below and the I with the unique ID recorded
A C chip having a film part thickness of 0.265 mm or less including the IC chip is attached to the CD in advance, or an ID unique to the IC chip is recorded in advance, Attaching a film portion having a thickness of 0.25 mm or less to the CD, reading the ID from the IC chip, and recording the read ID in an optical recording portion of the CD. Specific to a CD having and
A method of providing D is provided.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of a preferred embodiment of a CD with an IC chip according to the present invention. The sectional view of FIG. 1 is taken along line I-I in the plan view of the same embodiment shown in FIG. In the embodiment shown in FIGS. 1 and 2, an IC chip is added to a card type CD having a substantially rectangular business card size.

The CD 50 with an IC chip of the present invention is a CD
A film with an IC chip 20 is attached on top of 10. As shown in FIG. 2, a card type I of a business card size
A center hole 52 is provided in the CD 50 with a C chip. A disc clamp portion 54 is provided around the center hole 52, and an optical recording portion 56 is provided around the disc clamp portion 54.
The CD 10 itself is not a read-only type but has the same structure as that which is conventionally known as a writable CD-R, but a predetermined computer program is recorded in its recording section. As shown in the cross-sectional view of FIG. 1, the CD 10 has a substrate 12, an aluminum reflecting film 14, and a protective layer 16, and the aluminum reflecting film 14 has a signal recording surface 18 formed thereon.
Is provided. In the present invention, the film 20 with an IC chip is attached onto the protective layer 16 of the CD 10.

In the present invention, the thickness of the CD 10 is 1.2.
Although it is set to 35 mm or less, according to the CD standard (so-called Red Book), the thickness of the CD is 1.
It is 2 mm-0.1 mm to 1.2 mm + 0.3 mm, but the thickness of the CD actually delivered from the CD maker is 1.23 mm or less, so in such delivery form, check one by one. No need. However, if there is a variation in the thickness at the time of delivery and there is a possibility that the thickness exceeds 1.235 mm, the thickness will be checked and sorted.

Next, the structure of the film 20 with an IC chip will be described. The film with IC chip 20 is 2
The hot melt layer 26 and the PET antenna base layer 24 are provided between the two PET surface protective layers 22 and 28, and the IC chip 3 is provided inside the hot melt layer 26.
2 and the antenna unit 30 are provided. The thickness of the PET surface protective layer 22 is 0.03 mm, the PET antenna base layer 2
4 has a thickness of 0.025 mm, the hot melt layer 26 has a thickness of 0.175 mm, and the PET surface protective layer 28 has a thickness of 0.035 mm. The thickness of the IC chip 32 embedded in the hot melt layer 26 is 0.15 mm,
The thickness of the antenna unit 30 is 0.06 mm. Therefore, the total thickness of the IC chip-equipped film 20 is 0.2
It becomes 65 mm.

The antenna section 30 is arranged in a loop as shown in FIG. IC chip 32 and antenna section 30
The basic structure of is the same as the conventional one. Although the antenna unit 30 is formed as a double loop in the illustrated example, the antenna unit 30 may be formed as a triple loop or a quadruple loop as necessary. The antenna unit 30 is configured to receive an electromagnetic wave given from the outside, generate an electromotive force by electromagnetic induction, and supply the electromotive force to the IC chip 32 to operate the IC chip 32. The IC chip 32 has a CPU (Central Processing Unit) and a memory, and predetermined data is written in the memory. In the present embodiment, as the predetermined data, a 32-bit ID is recorded as a serial ID address. This ID is for each IC chip 32
A different number is encrypted for each. The memory is provided with a user's bit recording unit, which can record 32 bits x 8n user's bits.
Two 32 bits are used as serial ID bits.

The CD 50 with an IC chip of the present invention is used as follows. First, the CD 50 with an IC chip is made to be suitable for the usage shown in FIG.
The serial ID is read from the optical recording part 5 of the CD 10.
Must write to 6. FIG. 3 is a schematic diagram for explaining a method of writing the serial ID in order to enable the CD 50 with an IC chip of the present invention for the first time. As described above, the serial ID is recorded in advance in the memory in the IC chip 32. This serial I
D is read and recorded in a recordable portion of the recordable CD 10, such as a CD-R. By recording the serial ID unique to the IC chip 32 on the CD 10 in this way, the C
D10 can be distinguished from other CDs. IC chip 3
The program for reading the serial ID from 2 and writing it in the predetermined recording area of the CD 10 is the CD 1 in advance.
It is recorded in 0, read out, and a predetermined operation is performed by the CD player 60 having a writing function according to the program. Therefore, the CD 50 with an IC chip of the present invention can be used for various authentications. That is, by using the IC chip-equipped CD 50 of the present invention, individual authentication can be performed, and therefore, it can be used as a health card or various membership cards as shown in FIG.

Generally, a TOC is provided on the innermost peripheral portion of a CD.
(Table of Contents) is provided, and the CD player 60 is designed to first read the information of the TOC when the CD is loaded. Therefore, the information of the TOC is read, but by recording the address of the area where the program is recorded or the address of the user area described later, the CD player 60 reads the program. FIG. 4 is a flowchart explaining the contents of the program. This program is read from the CD 10 and the CD player 6
CD player 6 according to its instructions.
The CPU of 0 will operate. First, in step S1, it is determined whether or not a predetermined ID is recorded in the user area of the CD 10. Initially, nothing is recorded in the user area, so step S1 is NO and step S2
The encrypted serial ID is read from the IC chip 32, decrypted, and temporarily stored in the memory of the CD player 60. Next, in step S3, it is determined whether or not the serial ID read in step S2 is authentic. The determination as to whether it is regular or not can be made by using a polynomial or by performing a parity check. If it is determined to be non-genuine, the CD 50 is ejected (ejected) in step S4 and the program ends. At this time,
It is possible to inform the user that the information is not proper to the user through the screen 62 or the speaker 64 of the personal computer.

If the serial ID is legitimate, step S
5 and writes the temporarily stored serial ID in the optical recording portion 56 of the CD 10. A user area can be used as the writing portion. As a writing mode, a 32-bit ID is repeatedly written into one file, and a file name can be given and written.
When writing is completed, the program ends. If it is determined in step S1 that the predetermined ID has already been written in the user area, the process proceeds to step S6 so that the serial ID does not have to be read from the IC chip 32 one by one. Is read and authentication is performed using this.

FIG. 6 shows a CD 50 with an IC chip according to the present invention.
It is a schematic diagram explaining the other usage of. In this example,
An example of application to an online payment system is shown. 7 and 8 are schematic diagrams for explaining still another method of using the CD 50 with an IC chip of the present invention. In these examples, application examples in which office work in a university is managed in student units are shown. Since the IC chip 32 of the CD 50 with an IC chip of the present invention is capable of wireless communication with a predetermined communication device, it does not have to be loaded into the CD player one by one and has a predetermined ID and other information. You can check whether or not. Therefore, for example, if electronic information of a ticket for a concert is recorded in the IC chip 32, it can be authenticated by wireless communication with a communication device incorporated in the check gate at the time of checking the entrance to the concert venue. Immediately judging whether or not the user has a ticket, the admission can be permitted or refused.

Although only one IC chip 32 is arranged in the embodiment shown in FIG. 2, a CD with an IC chip is provided.
When 50 is loaded into the CD player 60 and rotated, uneven rotation may occur. In order to prevent such uneven rotation, dummy counterweights can be provided so that the IC chip 32 does not cause imbalance in weight distribution. The counter weight of the dummy is
It is provided on the opposite side of the central hole 52 with respect to the IC chip 32. Also, a plurality of such counterweights can be arranged.

In the embodiment shown in FIG. 2, the IC chip 32 and the antenna section 30 are provided so as to overlap the optical recording section 56 of the CD 10, but they may be provided at a section other than these optical recording sections. . For example, these may be provided only in the disc clamp portion 54. The above embodiment has been described by taking a card-type CD of a business card size as an example, but the shape and size are not limited to this, and a conventional circular CD having a diameter of 12 cm or 8 cm.
Also, it can be applied to a CD having a special shape such as a heart shape or a flower shape. Needless to say, it is possible to add a personal photograph, printing of necessary items, printing of a bar code, etc., as shown in FIG.

In the above embodiment, the case where the CD is a writable CD-R has been described as an example, but the present invention can be realized as another writable optical recording medium such as a DVD (digital versatile disk). Therefore, CD in the present invention should not be narrowly interpreted.

[0023]

As described above, according to the present invention, I
The thickness of the CD before attaching the C chip is 1.235mm
The thickness of the film portion including the IC chip is 0.2
A piece of 5 mm or less is attached to the surface of the CD, and the total thickness of the CD and the film portion where the film portion is attached is 1.5.
Since the thickness is less than or equal to mm, it is not necessary to embed the IC in the substrate of the CD as in the conventional case, and the I within the standard thickness is not required.
A CD with a C chip can be provided at low cost. Further, by adopting a structure in which the film with an IC chip is attached to a CD, a user or the like can arbitrarily attach the IC chip to the CD, and the total thickness after attachment is 1.5 mm or less. You can Further, in the present invention, the thickness of the CD before the IC chip is attached is set to 1.235 mm or less, and the unique ID is recorded on the CD, and the film portion including the IC chip has a thickness of 0.265 mm. Either attach the following to the CD in advance, or record the ID unique to the IC chip in advance, and attach the one with the film part including the IC chip having a thickness of 0.25 mm or less to the CD, Since the ID is read and the read ID is recorded in the optical recording portion of the CD, it becomes possible to provide the optical recording portion with the unique information of the CD, which has been difficult until now. This has enabled a wide range of applications such as preventing unauthorized use of personal authentication.

[Brief description of drawings]

FIG. 1 is a sectional view of a preferred embodiment of a CD with an IC chip according to the present invention.

FIG. 2 is a plan view of the CD with an IC chip shown in FIG.

FIG. 3 is a schematic diagram illustrating a method of writing an ID so that the CD with the IC chip of FIG. 1 can be used first.

FIG. 4 is a flow chart for explaining the contents of a program recorded in the CD of the preferred embodiment of the CD with an IC chip of the present invention.

FIG. 5 is a schematic view illustrating one usage of the CD with an IC chip according to the present invention.

FIG. 6 is a schematic diagram illustrating another method of using the CD with an IC chip of the present invention.

FIG. 7 is a schematic diagram illustrating still another method of using the CD with an IC chip of the present invention.

FIG. 8 is a schematic diagram illustrating still another usage of the CD with an IC chip according to the present invention.

[Explanation of symbols]

10 CD 12 CD substrate 14 CD aluminum reflective film 16 CD protective layer 18 CD signal recording surface 20 Film with IC chip 22,28 PET surface protection layer 24 PET antenna base layer 26 Hot melt layer 30 antenna 32 IC chips 60 CD player

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI Theme Coat (reference) G11B 7/24 571 G06K 19/00 F 572 H (72) Inventor Yoshinori Tsukawaki 3-chome Nishiazabu, Minato-ku, Tokyo 13th-10th Park Side Sepia 3F, S / S Japan Co., Ltd. (72) Inventor Noriko Yamada 3-13-10 Nishiazabu, Minato-ku, Tokyo Parkside Sepia 3F S / S Japan F Term (reference) 2C005 HA11 HA14 HB20 JA13 KA31 LA17 LB07 LB11 LB17 LB20 LB34 MA27 MB03 MB06 NA08 NA09 NB01 PA01 PA21 SA05 SA21 5B035 AA04 BA03 BA05 BB04 BB09 BB11 BB12 CA01 CA23 5D029 PA01 PA03 TA21 TA21 TA23 TA23 TA23

Claims (9)

[Claims] 1. A CD with an IC chip in which an IC chip is provided in a place other than an optical recording portion of the CD, wherein the thickness of the CD before the IC chip is attached is 1.
235 mm or less, the thickness of the film portion including the IC chip is 0.265 mm or less, and the total thickness of the CD and the film portion of the portion to which the film portion is attached is 1.5 mm or less. A CD with an IC chip characterized by. 2. The film portion has two PET layers, a hot melt layer between the two PET layers, an IC chip embedded in the hot melt layer, and an antenna portion connected to the IC chip. The CD with an IC chip according to claim 1, characterized in that. 3. The CD with an IC chip according to claim 1, wherein the CD is a substantially rectangular card type. 4. The CD with an IC chip according to claim 3, wherein a dummy member is arranged so that uneven rotation is not caused by the IC chip. 5. The IC chip and the antenna are the C
The CD with an IC chip according to any one of claims 1 to 4, which is arranged in a D clamping area. 6. A film with an IC chip for providing an IC chip in a place other than an optical recording portion of a CD, wherein the film with an IC chip has a thickness of 0.265 mm or less, A film with an IC chip for CD attachment, wherein an adhesive is applied to one surface and a sheet covering the adhesive is provided. 7. The film has two PET layers, a hot melt layer between the two PET layers, an IC chip embedded in the hot melt layer, and an antenna section connected to the IC chip. The film with an IC chip for CD attachment according to claim 6, characterized in that. 8. A method of giving a unique ID to a CD having an IC chip, the step of setting the thickness of the CD before the IC chip is mounted to 1.235 mm or less, and recording the unique ID. IC chip, the IC
A film including a chip having a thickness of 0.265 mm or less is attached to the CD in advance, or
The ID unique to the C chip is recorded in advance, and a film including the IC chip having a thickness of 0.25 mm or less is attached to the CD; a step of reading the ID from the IC chip; Recording the issued ID in an optical recording portion of the CD, and assigning a unique ID to the CD. 9. A step of reading the IC chip,
A program for executing the step of recording the read ID in the optical recording portion of the CD is recorded in advance in the optical recording portion of the CD, and the program is read to execute the two steps. 9. The method of assigning a unique ID to a CD according to claim 8.