JPH0250827U - - Google Patents
Info
- Publication number
- JPH0250827U JPH0250827U JP1988127754U JP12775488U JPH0250827U JP H0250827 U JPH0250827 U JP H0250827U JP 1988127754 U JP1988127754 U JP 1988127754U JP 12775488 U JP12775488 U JP 12775488U JP H0250827 U JPH0250827 U JP H0250827U
- Authority
- JP
- Japan
- Prior art keywords
- ventilation hole
- optical information
- substrate
- main surface
- peripheral portion
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127754U JPH0728590Y2 (ja) | 1988-09-29 | 1988-09-29 | 光学式情報記録担体 |
| US07/311,806 US4972404A (en) | 1988-09-29 | 1989-02-17 | Optical disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988127754U JPH0728590Y2 (ja) | 1988-09-29 | 1988-09-29 | 光学式情報記録担体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0250827U true JPH0250827U (US20020125480A1-20020912-P00900.png) | 1990-04-10 |
| JPH0728590Y2 JPH0728590Y2 (ja) | 1995-06-28 |
Family
ID=14967863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988127754U Expired - Lifetime JPH0728590Y2 (ja) | 1988-09-29 | 1988-09-29 | 光学式情報記録担体 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4972404A (US20020125480A1-20020912-P00900.png) |
| JP (1) | JPH0728590Y2 (US20020125480A1-20020912-P00900.png) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237560A (en) * | 1988-06-23 | 1993-08-17 | Mitsubishi Denki Kabushiki Kaisha | Optical disc cartridge |
| US5319630A (en) * | 1991-12-24 | 1994-06-07 | Optex Corporation | Light-tight optical disk cartridge |
| US5726969A (en) * | 1994-12-28 | 1998-03-10 | Matsushita Electric Industrial Co., Ltd. | Optical recording medium having dual information surfaces |
| MX9605564A (es) * | 1995-03-16 | 1998-03-31 | Toshiba Kk | Estructura de disco optico, metodo de fabricacion del mismo y aparato para fabricacion del mismo. |
| US5729533A (en) * | 1995-09-12 | 1998-03-17 | Wae Manufacturing Inc. | Two-sided, light-readable information recording disc stacks and methods of making same |
| US5958651A (en) * | 1996-07-11 | 1999-09-28 | Wea Manufacturing Inc. | Methods for providing artwork on plastic information discs |
| US5900098A (en) * | 1996-10-11 | 1999-05-04 | Wea Manufacturing Inc. | Methods for bonding structurally dissimilar optical discs |
| US5774448A (en) * | 1996-11-22 | 1998-06-30 | Eastman Kodak Company | Air sandwiched optical discs with closable pressure relief holes |
| US5872768A (en) * | 1996-11-22 | 1999-02-16 | Eastman Kodak Company | Optical discs with cover sheets and pressure equalization of the enclosed air |
| US5774447A (en) * | 1996-11-22 | 1998-06-30 | Eastman Kodak Company | Optical discs with cover sheets and dynamic pressure stabilization of the enclosed air |
| US5766495A (en) * | 1997-03-13 | 1998-06-16 | Wea Manufacturing Inc. | Methods for providing generic and specific artwork on plastic information discs |
| US5997976A (en) * | 1998-02-12 | 1999-12-07 | Wea Manufacturing Inc. | Etched mold surface for use in making light-readable discs |
| US6124011A (en) * | 1998-09-03 | 2000-09-26 | Wea Manufacturing, Inc. | Information-bearing discs and methods of fabrication |
| US7061594B2 (en) * | 2000-11-09 | 2006-06-13 | Burstein Technologies, Inc. | Disc drive system and methods for use with bio-discs |
| WO2002056311A2 (en) * | 2001-01-11 | 2002-07-18 | Burstein Technologies Inc | Optical disc analysis system including related methods for biological and medical imaging |
| US7221632B2 (en) * | 2001-07-12 | 2007-05-22 | Burstein Technologies, Inc. | Optical disc system and related detecting methods for analysis of microscopic structures |
| JP2003088730A (ja) * | 2001-09-20 | 2003-03-25 | Nitto Denko Corp | 逆浸透膜エレメントの処理方法、および逆浸透膜モジュール |
| US20080094974A1 (en) * | 2001-11-09 | 2008-04-24 | Burstein Technologies, Inc. | Optical disc system and related detecting methods for analysis of microscopic structures |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761013A (en) * | 1972-03-20 | 1973-09-25 | S Schuster | Double wall package for storing items in bacteria-free condition |
| JPS58130451A (ja) * | 1982-01-29 | 1983-08-03 | Toshiba Corp | 情報記憶媒体 |
-
1988
- 1988-09-29 JP JP1988127754U patent/JPH0728590Y2/ja not_active Expired - Lifetime
-
1989
- 1989-02-17 US US07/311,806 patent/US4972404A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4972404A (en) | 1990-11-20 |
| JPH0728590Y2 (ja) | 1995-06-28 |
