JPH0535456Y2 - - Google Patents
Info
- Publication number
- JPH0535456Y2 JPH0535456Y2 JP1984156014U JP15601484U JPH0535456Y2 JP H0535456 Y2 JPH0535456 Y2 JP H0535456Y2 JP 1984156014 U JP1984156014 U JP 1984156014U JP 15601484 U JP15601484 U JP 15601484U JP H0535456 Y2 JPH0535456 Y2 JP H0535456Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring member
- information recording
- recording medium
- recess
- 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 - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims description 27
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984156014U JPH0535456Y2 (un) | 1984-10-16 | 1984-10-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984156014U JPH0535456Y2 (un) | 1984-10-16 | 1984-10-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6172726U JPS6172726U (un) | 1986-05-17 |
JPH0535456Y2 true JPH0535456Y2 (un) | 1993-09-08 |
Family
ID=30714029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984156014U Expired - Lifetime JPH0535456Y2 (un) | 1984-10-16 | 1984-10-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0535456Y2 (un) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5987636A (ja) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | 情報記憶媒体 |
-
1984
- 1984-10-16 JP JP1984156014U patent/JPH0535456Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5987636A (ja) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | 情報記憶媒体 |
Also Published As
Publication number | Publication date |
---|---|
JPS6172726U (un) | 1986-05-17 |
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