JPH0190168U - - Google Patents
Info
- Publication number
- JPH0190168U JPH0190168U JP18377087U JP18377087U JPH0190168U JP H0190168 U JPH0190168 U JP H0190168U JP 18377087 U JP18377087 U JP 18377087U JP 18377087 U JP18377087 U JP 18377087U JP H0190168 U JPH0190168 U JP H0190168U
- Authority
- JP
- Japan
- Prior art keywords
- floppy disk
- magnetic floppy
- disk according
- synthetic resin
- item
- 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
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims 4
- 239000000057 synthetic resin Substances 0.000 claims 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 239000011256 inorganic filler Substances 0.000 claims 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims 2
- -1 polyethylene Polymers 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000004642 Polyimide Substances 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Description
第１図は従来の磁気フロツピーデイスクの平面
図、第２図は同―断面図、第３図は同要部拡
大図、第４図は本考案の実施例による磁気フロツ
ピーデイスクの周縁部を示す第２図と同様の断面
図、第５図は本考案の他の実施例による磁気フロ
ツピーデイスクの要部断面図、及び第６図は本考
案の更に他の実施例による磁気フロツピーデイス
クと保護フイルムの接着法を示す要部断面図であ
る。
１１：磁気フロツピーデイスク、１２：非磁性
基体フイルム、１３，１３：磁性合金または磁性
塗料による磁気記録層、１４，１５：テープ状の
保護フイルム、１６，１７：粘着剤層。
Fig. 1 is a plan view of a conventional magnetic floppy disk, Fig. 2 is a sectional view of the same, Fig. 3 is an enlarged view of the same essential parts, and Fig. 4 is a peripheral portion of a magnetic floppy disk according to an embodiment of the present invention. FIG. 5 is a sectional view of a main part of a magnetic floppy disk according to another embodiment of the present invention, and FIG. 6 is a sectional view of a magnetic floppy disk according to still another embodiment of the present invention. FIG. 3 is a sectional view of a main part showing a method of bonding a disk and a protective film. 11: Magnetic floppy disk, 12: Nonmagnetic base film, 13, 13: Magnetic recording layer made of magnetic alloy or magnetic paint, 14, 15: Tape-shaped protective film, 16, 17: Adhesive layer.
Claims (1)
とも打ち抜きバリ及び（又は）クラツクの生じる
面に、一定巾の合成樹脂膜を固着しことを特徴と
する、磁気フロツピーデイスク。 (2) 固着は接着剤層を用いて行なわれる前記第
１項記載の磁気フロツピーデイスク。 (3) 接着剤層は合成樹脂膜の最外周よりも内側
に施されている前記第１項又は第２項記載の磁気
フロツピーデイスク。 (4) 合成樹脂膜は無機充填剤粉末を含有してい
る前記第１項ない第３項のいずれかに記載の磁気
フロツピーデイスク。 (5) 無機充填剤粉末はカーボン、グラフアイト
又は酸化チタンである前記第４項記載の磁気フロ
ツピーデイスク。 (6) 合成樹脂膜はポリエチレン、ポリイミド、
ポリエチレンテレフタレート、ポリ塩化ビニルよ
り選択されるものである前記第１項ないし第５項
記載の磁気フロツピーデイスク。[Claims for Utility Model Registration] (1) A magnetic floppy disk characterized in that a synthetic resin film of a certain width is fixed to at least the surface where punching burrs and/or cracks occur around the entire circumference of the magnetic floppy disk. Tupee disk. (2) The magnetic floppy disk according to item 1 above, wherein the fixing is performed using an adhesive layer. (3) The magnetic floppy disk according to item 1 or 2, wherein the adhesive layer is applied inside the outermost periphery of the synthetic resin film. (4) The magnetic floppy disk according to any one of items 1 to 3, wherein the synthetic resin film contains inorganic filler powder. (5) The magnetic floppy disk according to item 4, wherein the inorganic filler powder is carbon, graphite, or titanium oxide. (6) Synthetic resin membranes are made of polyethylene, polyimide,
6. The magnetic floppy disk according to items 1 to 5 above, which is selected from polyethylene terephthalate and polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18377087U JPH0190168U (en) | 1987-12-03 | 1987-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18377087U JPH0190168U (en) | 1987-12-03 | 1987-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190168U true JPH0190168U (en) | 1989-06-14 |
Family
ID=31475179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18377087U Pending JPH0190168U (en) | 1987-12-03 | 1987-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684266A (en) * | 1992-07-03 | 1994-03-25 | Teac Corp | Disk cartridge |
-
1987
- 1987-12-03 JP JP18377087U patent/JPH0190168U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684266A (en) * | 1992-07-03 | 1994-03-25 | Teac Corp | Disk cartridge |
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