JPH0216426U - - Google Patents
Info
- Publication number
- JPH0216426U JPH0216426U JP1988095583U JP9558388U JPH0216426U JP H0216426 U JPH0216426 U JP H0216426U JP 1988095583 U JP1988095583 U JP 1988095583U JP 9558388 U JP9558388 U JP 9558388U JP H0216426 U JPH0216426 U JP H0216426U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- information signal
- thin film
- ceramic substrate
- shaped ceramic
- 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
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の光学的情報信号記録円盤の断
面図、第２図は従来例の断面図である。
１，１′……光学的情報信号記録円盤、２……
セラミツクス基板、３……反射薄膜、４……ガラ
ス製の保護膜、５……ポリカーボネート製の基板
、６……プラスチツク製の保護膜。
FIG. 1 is a sectional view of the optical information signal recording disk of the present invention, and FIG. 2 is a sectional view of a conventional example. 1, 1'... optical information signal recording disk, 2...
Ceramics substrate, 3... reflective thin film, 4... glass protective film, 5... polycarbonate substrate, 6... plastic protective film.
Claims (1)
上に反射薄膜が形成され、この円盤状セラミツク
ス基板とこの反射薄膜とがガラス中に封入された
ことを特徴とする光学的情報信号記録円盤。 An optical information signal recording disc characterized in that a reflective thin film is formed on a disc-shaped ceramic substrate on which an information signal is formed, and the disc-shaped ceramic substrate and the reflective thin film are encapsulated in glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095583U JPH0216426U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095583U JPH0216426U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216426U true JPH0216426U (en) | 1990-02-01 |
Family
ID=31320264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988095583U Pending JPH0216426U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216426U (en) |
-
1988
- 1988-07-19 JP JP1988095583U patent/JPH0216426U/ja active Pending
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