JPH0322659B2 - - Google Patents
Info
- Publication number
- JPH0322659B2 JPH0322659B2 JP58221215A JP22121583A JPH0322659B2 JP H0322659 B2 JPH0322659 B2 JP H0322659B2 JP 58221215 A JP58221215 A JP 58221215A JP 22121583 A JP22121583 A JP 22121583A JP H0322659 B2 JPH0322659 B2 JP H0322659B2
- Authority
- JP
- Japan
- Prior art keywords
- transparent substrate
- cylindrical
- cylindrical portion
- optical information
- information recording
- 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 95
- 230000003287 optical effect Effects 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 28
- 230000001070 adhesive effect Effects 0.000 claims description 28
- 125000006850 spacer group Chemical group 0.000 description 20
- 230000002093 peripheral effect Effects 0.000 description 12
- 229920005668 polycarbonate resin Polymers 0.000 description 7
- 239000004431 polycarbonate resin Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
- B29C65/7808—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features in the form of holes or slots
- B29C65/7811—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features in the form of holes or slots for centring purposes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58221215A JPS60113344A (ja) | 1983-11-24 | 1983-11-24 | 光情報記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58221215A JPS60113344A (ja) | 1983-11-24 | 1983-11-24 | 光情報記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60113344A JPS60113344A (ja) | 1985-06-19 |
| JPH0322659B2 true JPH0322659B2 (de) | 1991-03-27 |
Family
ID=16763265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58221215A Granted JPS60113344A (ja) | 1983-11-24 | 1983-11-24 | 光情報記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60113344A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03125349A (ja) * | 1989-10-11 | 1991-05-28 | Pioneer Electron Corp | 光学式情報記録担体 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120243A (en) * | 1981-01-14 | 1982-07-27 | Matsushita Electric Ind Co Ltd | Optical information carrier disk and its manufacture |
-
1983
- 1983-11-24 JP JP58221215A patent/JPS60113344A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57120243A (en) * | 1981-01-14 | 1982-07-27 | Matsushita Electric Ind Co Ltd | Optical information carrier disk and its manufacture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60113344A (ja) | 1985-06-19 |
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