Antenna circuit, IC inlet, multi tag, and method for producing multi tag

Abstract

An antenna circuit includes a plurality of antenna circuit units on a circuit substrate. The plurality of antenna circuit units includes: a large antenna circuit unit whose circuit size is large; and a small antenna circuit unit whose circuit size is smaller than the size of the large antenna circuit unit, the small antenna circuit unit provided inside the large antenna circuit unit and provided detachable from the large antenna circuit unit.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a configuration diagram showing an antenna circuit according to a first embodiment;

FIG. 2 is a configuration diagram showing an IC inlet according to the first embodiment;

FIG. 3 is a configuration diagram showing an IC tag according to the first embodiment;

FIG. 4 is cross-sectional drawing showing the IC tag according to the first embodiment;

FIG. 5 is a configuration diagram showing an IC tag used for an example according to the first embodiment;

FIG. 6A is an illustration showing a modification example of a cutting off part (version 1);

FIG. 6B is an illustration showing the modification example of the cutting off part (version 2);

FIG. 6C is an illustration showing the modification example of the cutting off part (version 3); and

FIG. 7 is an illustration showing a modification example of a print processing.

Claims

1. An antenna circuit comprising: a plurality of antenna circuit units on a circuit substrate,the plurality of antenna circuit units including:a large antenna circuit unit whose circuit size is large; anda small antenna circuit unit whose circuit size is smaller than the size of the large antenna circuit unit, the small antenna circuit unit provided inside the large antenna circuit unit and provided detachable from the large antenna circuit unit.

2. The antenna circuit according to claim 1, further comprising a cutting off part provided to separate the small antenna circuit unit.

3. An IC inlet configured to mount an IC chip on an antenna circuit, the antenna circuit comprising: a plurality of antenna circuit units on a circuit substrate,the plurality of antenna circuit units including:a large antenna circuit unit whose circuit size is large; anda small antenna circuit unit whose circuit size is smaller than the size of the large antenna circuit unit, the small antenna circuit unit provided inside the large antenna circuit unit and provided to separate from the large antenna circuit unit.

4. The IC inlet according to claim 3, further comprising a cutting off part provided to separate the small antenna circuit unit.

5. A multi tag comprising: a plurality of tags, the plurality of tags includes:a large tag whose circuit size is large; anda small tag whose circuit size is smaller than the size of the large tag, the small tag provided inside the large tag and provided to separate from the large tag.

6. The multi tag according to claim 5, further comprising a cutting off part provided to separate the small tag.

7. The multi tag according to claim 5 or 6, wherein the plurality of tags include IC tags.

8. A method for producing a multi tag, the method comprising the steps of: forming a large antenna circuit unit whose circuit size is large and a small antenna circuit unit whose circuit size is smaller than the size of the large antenna circuit unit on a circuit substrate, the small antenna circuit unit formed inside the large antenna circuit unit;mounting an IC chip on the large antenna circuit unit and the small antenna circuit unit;processing a predetermined tag by sealing each of the antenna circuit; andforming a cutting off part to make a small tag formed with the tag processing step to separate.

9. The method according to claim 8, wherein the forming step of creating the large tag and the small tag is executed at the same time.