JPH0416255Y2 - - Google Patents
Info
- Publication number
- JPH0416255Y2 JPH0416255Y2 JP1987000170U JP17087U JPH0416255Y2 JP H0416255 Y2 JPH0416255 Y2 JP H0416255Y2 JP 1987000170 U JP1987000170 U JP 1987000170U JP 17087 U JP17087 U JP 17087U JP H0416255 Y2 JPH0416255 Y2 JP H0416255Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- substrates
- insertion hole
- magnetic body
- spacer
- 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 37
- 239000000758 substrate Substances 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 239000000696 magnetic material Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- -1 steel Chemical compound 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000170U JPH0416255Y2 (uk) | 1987-01-05 | 1987-01-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987000170U JPH0416255Y2 (uk) | 1987-01-05 | 1987-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63109333U JPS63109333U (uk) | 1988-07-14 |
| JPH0416255Y2 true JPH0416255Y2 (uk) | 1992-04-13 |
Family
ID=30776908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987000170U Expired JPH0416255Y2 (uk) | 1987-01-05 | 1987-01-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416255Y2 (uk) |
-
1987
- 1987-01-05 JP JP1987000170U patent/JPH0416255Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63109333U (uk) | 1988-07-14 |
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