JPH01190499A - Superconductor card - Google Patents
Superconductor cardInfo
- Publication number
- JPH01190499A JPH01190499A JP63013559A JP1355988A JPH01190499A JP H01190499 A JPH01190499 A JP H01190499A JP 63013559 A JP63013559 A JP 63013559A JP 1355988 A JP1355988 A JP 1355988A JP H01190499 A JPH01190499 A JP H01190499A
- Authority
- JP
- Japan
- Prior art keywords
- card
- memory region
- data memory
- magnetic flux
- superconductive material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002887 superconductor Substances 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims abstract description 24
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- 230000004907 flux Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Inorganic materials [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、情報を記憶するカード、特に超電導体カー
ドに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a card for storing information, particularly a superconductor card.
第３図は情報を記憶するための、従来のカードを示す平
面図である。図において、（１）はカード本体、（２）
はこのカード本体（１）に設けられた情報記憶領域であ
り、磁性体物質で構成されている。FIG. 3 is a plan view of a conventional card for storing information. In the figure, (1) is the card body, (2)
is an information storage area provided in this card body (1), and is made of magnetic material.
従来のカードは上述したように構成されており、カード
本体（１）をカード内情報読取装置（回示しない）に挿
入すると、カード内情報読取装置は、情報記憶領域（２
）に記憶されている情報を読取り、その情報により装置
独自の次処理動作を行なう。Conventional cards are configured as described above, and when the card body (1) is inserted into the card information reading device (not rotated), the card information reading device reads the information storage area (2).
), and performs the next processing operation unique to the device based on that information.
従来のカードでは、情報記憶領域が磁性体物質で構成さ
れているため、カードを強力な磁場内に置くと、情報記
憶領域に記憶されている情報が乱されるという問題点が
あった。In conventional cards, since the information storage area is made of magnetic material, there is a problem in that when the card is placed in a strong magnetic field, the information stored in the information storage area is disturbed.
この発明は、従来のカードにおける上述した問題点を解
決するためになされたもので、強力な磁場内に置かれて
も情報記憶領域の記憶内容が乱されることのない超電導
体カードを得ることを目的とする。This invention was made in order to solve the above-mentioned problems with conventional cards, and to obtain a superconductor card in which the stored contents of the information storage area are not disturbed even when placed in a strong magnetic field. With the goal.
この発明に係る超電導体カードは、情報記憶領域を超電
導材料を構成するとともに、情報記憶領域に光照射する
ことにより情報を記録したものである。In the superconductor card according to the present invention, the information storage area is made of a superconducting material, and information is recorded by irradiating the information storage area with light.
この発明においては、超電導材料は、レーザで照射され
た場合、照射された部分のみが非超電導材料に変質する
という性質をもち、この性質を用いて情報の記録を行な
う。In this invention, when a superconducting material is irradiated with a laser, only the irradiated portion changes into a non-superconducting material, and this property is used to record information.
以下、この発明に係る超電導体カードを、添付図面に示
された実施例について詳しく説明する。Hereinafter, the superconductor card according to the present invention will be described in detail with reference to embodiments shown in the accompanying drawings.
第１図はこの発明の一実施例を示す平面図であり、図に
おいて（１）は第３図に示したのと同様なカード本体、
（２人）はこのカード本体（１）に設けられた情報記憶
領域であり、超電導材料で構成されている。FIG. 1 is a plan view showing an embodiment of the present invention, in which (1) indicates a card body similar to that shown in FIG.
(2 people) is an information storage area provided in this card body (1), and is made of superconducting material.
Ｗ、２図は第１図に示した情報記憶領域（２人）を拡大
して示す平面図であり、（３）は光照射例えばレーザ照
射によって変質された非超電導材料である。W, Figure 2 is an enlarged plan view of the information storage area (two people) shown in Figure 1, and (3) is a non-superconducting material that has been altered by light irradiation, such as laser irradiation.
上述したように構成された情報記憶領域（２人）を含む
カード本体（１）を、カード内情報読取装置に挿入する
。カード内情報読取装置は、カード面に対して垂直な磁
束を発生させ、情報記憶領域（２人）に照射する。情報
記憶領域（２人）の超電導材料はマイスナー効果により
磁束にカード本体（１）を通過させないが、非超電導材
料（３）は磁束を通過させ、この通過の可否を検知する
ことにより超電導体カードの持つ記憶情報を読取り、そ
の情報をもとに装置独自の次処理動作を行なう。The card body (1) including the information storage area (for two people) configured as described above is inserted into the card information reading device. The card information reading device generates magnetic flux perpendicular to the card surface and irradiates the information storage area (two people). The superconducting material of the information storage area (2 people) does not allow magnetic flux to pass through the card body (1) due to the Meissner effect, but the non-superconducting material (3) allows magnetic flux to pass through, and by detecting whether or not this passage is possible, the superconducting card The device reads the stored information held by the device and performs the next processing operation unique to the device based on that information.
ここに述べた超電導材料は特に限定されるものではない
が、例えばイツトリウム・バリウムφ銅酸化物、ランタ
ンφストロンチュウム・銅酸化物などの酸化物系超電導
材料、あるいは合金系超電導材料などが考えられる。The superconducting materials mentioned here are not particularly limited, but examples include oxide-based superconducting materials such as yttrium/barium φ copper oxide, lanthanum φ strontium/copper oxide, or alloy-based superconducting materials. It will be done.
このように構成された超電導体カードは、その情報記憶
領域の超電導体の臨界温度が室温以上の材料であるなら
ば、従来のカードと同様に容易に用いることができる。A superconductor card constructed in this manner can be easily used in the same way as a conventional card, provided that the superconductor in the information storage area is made of a material having a critical temperature of room temperature or higher.
なお、上述した実施例では情報記憶領域の全体を超電導
材料で構成すると説明したが、この部分は厚さ方向を異
なった材料の層の積層で構成し、一つの層が超電導材料
で構成されればよい。ただし、磁束を通しかつフＶ−ザ
照射により変質しない材料でなければならない。In addition, in the above embodiment, it was explained that the entire information storage area is made of superconducting material, but this part is made of a stack of layers of different materials in the thickness direction, and one layer is made of superconducting material. Bye. However, it must be made of a material that passes magnetic flux and does not change in quality due to laser irradiation.
以上、詳述したように、この発明、情報を記憶するカー
ドの情報記憶領域を超電導材料で構成腎たので、情報記
憶領域に記憶された情報は外部研界の影響を全く受けな
くなるという効果を奏する。As detailed above, this invention has the effect that the information storage area of the card that stores information is made of superconducting material, so that the information stored in the information storage area is completely unaffected by external research. play.
第１図はこの発明の一実施例を示す平面図、第２図は第
１図の一部の拡大平面図、第３図は従来のカードを示す
平面図である。
図において、（１）はカード本体、（２Ａ）は情報記憶
領域、（３）は非超電導材料である。
なお、図中、同一符号は同一、又は相当部分を示す。
゛。
代理人 曾 我 道 照 “１．１
第１図
２Ａ、楕札討硯韓渋′
第２図
３ニーｔｒ、ｇ電導１
第３図FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is an enlarged plan view of a portion of FIG. 1, and FIG. 3 is a plan view showing a conventional card. In the figure, (1) is the card body, (2A) is the information storage area, and (3) is the non-superconducting material. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.゛. Agent Zeng I Dao Teru “1.1 Fig. 1 2A, oval card attack hanshibu’ Fig. 2 3 knee tr, g conduction 1 Fig. 3
Claims (1)
に光照射することにより情報を記録することを特徴とす
る超電導体カード。A superconductor card characterized in that an information storage area is made of a superconducting material, and information is recorded by irradiating the information storage area with light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63013559A JPH01190499A (en) | 1988-01-26 | 1988-01-26 | Superconductor card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63013559A JPH01190499A (en) | 1988-01-26 | 1988-01-26 | Superconductor card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01190499A true JPH01190499A (en) | 1989-07-31 |
Family
ID=11836530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63013559A Pending JPH01190499A (en) | 1988-01-26 | 1988-01-26 | Superconductor card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01190499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553036A (en) * | 1990-03-27 | 1996-09-03 | Semiconductor Energy Laboratory Co., Ltd. | Apparatus and method for writing and reading digital information on a magnetic memory including a superconducting material |
-
1988
- 1988-01-26 JP JP63013559A patent/JPH01190499A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553036A (en) * | 1990-03-27 | 1996-09-03 | Semiconductor Energy Laboratory Co., Ltd. | Apparatus and method for writing and reading digital information on a magnetic memory including a superconducting material |
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