JPH0210484B2 - - Google Patents
Info
- Publication number
- JPH0210484B2 JPH0210484B2 JP54134618A JP13461879A JPH0210484B2 JP H0210484 B2 JPH0210484 B2 JP H0210484B2 JP 54134618 A JP54134618 A JP 54134618A JP 13461879 A JP13461879 A JP 13461879A JP H0210484 B2 JPH0210484 B2 JP H0210484B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- coercive force
- magnetic powder
- powder
- card
- 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 - Lifetime
Links
- 239000006247 magnetic powder Substances 0.000 claims description 57
- 239000011347 resin Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 4
- 239000011230 binding agent Substances 0.000 claims 3
- 239000000976 ink Substances 0.000 description 13
- 230000005347 demagnetization Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13461879A JPS5658130A (en) | 1979-10-18 | 1979-10-18 | Magnetic card having increased resistance to external magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13461879A JPS5658130A (en) | 1979-10-18 | 1979-10-18 | Magnetic card having increased resistance to external magnetic field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5658130A JPS5658130A (en) | 1981-05-21 |
| JPH0210484B2 true JPH0210484B2 (fr) | 1990-03-08 |
Family
ID=15132592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13461879A Granted JPS5658130A (en) | 1979-10-18 | 1979-10-18 | Magnetic card having increased resistance to external magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5658130A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411215Y2 (fr) * | 1986-03-19 | 1992-03-19 | ||
| JPS63127423A (ja) * | 1986-11-17 | 1988-05-31 | Hosokawa Katsupanshiyo:Kk | 磁気記録媒体 |
| JPH03256218A (ja) * | 1990-03-07 | 1991-11-14 | Toshiba Glass Co Ltd | 磁気カード |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4824244U (fr) * | 1971-07-28 | 1973-03-20 | ||
| JPS4912161A (fr) * | 1972-05-19 | 1974-02-02 | ||
| JPS5085306A (fr) * | 1973-10-31 | 1975-07-09 | ||
| JPS50132905A (fr) * | 1974-04-05 | 1975-10-21 | ||
| JPS5222247U (fr) * | 1975-08-05 | 1977-02-17 |
-
1979
- 1979-10-18 JP JP13461879A patent/JPS5658130A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4824244U (fr) * | 1971-07-28 | 1973-03-20 | ||
| JPS4912161A (fr) * | 1972-05-19 | 1974-02-02 | ||
| JPS5085306A (fr) * | 1973-10-31 | 1975-07-09 | ||
| JPS50132905A (fr) * | 1974-04-05 | 1975-10-21 | ||
| JPS5222247U (fr) * | 1975-08-05 | 1977-02-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5658130A (en) | 1981-05-21 |
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