JPH0222297Y2 - - Google Patents
Info
- Publication number
- JPH0222297Y2 JPH0222297Y2 JP1982201775U JP20177582U JPH0222297Y2 JP H0222297 Y2 JPH0222297 Y2 JP H0222297Y2 JP 1982201775 U JP1982201775 U JP 1982201775U JP 20177582 U JP20177582 U JP 20177582U JP H0222297 Y2 JPH0222297 Y2 JP H0222297Y2
- Authority
- JP
- Japan
- Prior art keywords
- card
- optical memory
- memory medium
- layer
- cards
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 46
- 239000010410 layer Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 16
- 239000002966 varnish Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- 229910019942 S—Ge Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20177582U JPS5999777U (ja) | 1982-12-24 | 1982-12-24 | 光メモリ−を持つｉｄカ−ド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20177582U JPS5999777U (ja) | 1982-12-24 | 1982-12-24 | 光メモリ−を持つｉｄカ−ド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5999777U JPS5999777U (ja) | 1984-07-05 |
| JPH0222297Y2 true JPH0222297Y2 (ko) | 1990-06-15 |
Family
ID=30427264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20177582U Granted JPS5999777U (ja) | 1982-12-24 | 1982-12-24 | 光メモリ−を持つｉｄカ−ド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5999777U (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034211A (en) * | 1975-06-20 | 1977-07-05 | Ncr Corporation | System and method for providing a security check on a credit card |
| JPS5758250A (en) * | 1980-09-25 | 1982-04-07 | Toshiba Corp | Information recording medium |
| JPS5760546A (en) * | 1980-09-30 | 1982-04-12 | Fujitsu Ltd | Optical recording medium |
| JPS5766538A (en) * | 1980-10-08 | 1982-04-22 | Toshiba Corp | Information storage medium |
| JPS58166099A (ja) * | 1982-03-26 | 1983-10-01 | 大日本印刷株式会社 | カ−ド |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6028997Y2 (ja) * | 1979-06-01 | 1985-09-03 | 富士写真フイルム株式会社 | 記録カ−ド |
-
1982
- 1982-12-24 JP JP20177582U patent/JPS5999777U/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034211A (en) * | 1975-06-20 | 1977-07-05 | Ncr Corporation | System and method for providing a security check on a credit card |
| JPS5758250A (en) * | 1980-09-25 | 1982-04-07 | Toshiba Corp | Information recording medium |
| JPS5760546A (en) * | 1980-09-30 | 1982-04-12 | Fujitsu Ltd | Optical recording medium |
| JPS5766538A (en) * | 1980-10-08 | 1982-04-22 | Toshiba Corp | Information storage medium |
| JPS58166099A (ja) * | 1982-03-26 | 1983-10-01 | 大日本印刷株式会社 | カ−ド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5999777U (ja) | 1984-07-05 |
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