NL8400476A - Optisch uitleesbare geheugenschijf. - Google Patents

Optisch uitleesbare geheugenschijf. Download PDF

Info

Publication number: NL8400476A
Authority: NL; Netherlands
Prior art keywords: substrate; cover plate; memory disk; protective edge; readable memory
Prior art date: 1984-02-14

Application number

NL8400476A

Other languages

English (en)

Dutch (nl)

Original Assignee

Philips Nv

Priority date (The priority date 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 date listed.)

1984-02-14

Filing date

1984-02-14

Publication date

1985-09-02

1984-02-14 Application filed by Philips Nv filed Critical Philips Nv

1984-02-14 Priority to NL8400476A priority Critical patent/NL8400476A/nl

1985-02-07 Priority to CA000473768A priority patent/CA1241744A/fr

1985-02-11 Priority to ES540285A priority patent/ES8606710A1/es

1985-02-11 Priority to IT19458/85A priority patent/IT1183232B/it

1985-02-12 Priority to DD85273212A priority patent/DD228381A5/de

1985-02-12 Priority to BE0/214507A priority patent/BE901719A/fr

1985-02-12 Priority to FR8501934A priority patent/FR2559607A1/fr

1985-02-13 Priority to SU853862706A priority patent/SU1487826A3/ru

1985-02-13 Priority to JP1985017893U priority patent/JPS60140235U/ja

1985-02-13 Priority to GB08503678A priority patent/GB2155684B/en

1985-02-14 Priority to DE19853505015 priority patent/DE3505015A1/de

1985-09-02 Publication of NL8400476A publication Critical patent/NL8400476A/nl

Links

239000000758 substrate Substances 0.000 claims description 65
230000001681 protective effect Effects 0.000 claims description 41
125000006850 spacer group Chemical group 0.000 claims description 14
239000000463 material Substances 0.000 claims description 9
230000005855 radiation Effects 0.000 claims description 5
238000000605 extraction Methods 0.000 claims description 3
238000003780 insertion Methods 0.000 claims description 3
230000037431 insertion Effects 0.000 claims description 3
239000013536 elastomeric material Substances 0.000 claims description 2
239000010410 layer Substances 0.000 description 9
239000004033 plastic Substances 0.000 description 6
229920003023 plastic Polymers 0.000 description 6
230000003287 optical effect Effects 0.000 description 5
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
229910052782 aluminium Inorganic materials 0.000 description 4
230000008901 benefit Effects 0.000 description 4
239000012790 adhesive layer Substances 0.000 description 3
239000011521 glass Substances 0.000 description 3
229920005549 butyl rubber Polymers 0.000 description 2
238000013016 damping Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000005489 elastic deformation Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000006870 function Effects 0.000 description 1
239000003292 glue Substances 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
230000008569 process Effects 0.000 description 1
230000035939 shock Effects 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229920003051 synthetic elastomer Polymers 0.000 description 1
239000005061 synthetic rubber Substances 0.000 description 1
239000005341 toughened glass 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
- G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
- 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
- G11B7/24015—Air-sandwiched discs

Landscapes

Optical Record Carriers And Manufacture Thereof (AREA)
Packaging For Recording Disks (AREA)

NL8400476A 1984-02-14 1984-02-14 Optisch uitleesbare geheugenschijf. NL8400476A (nl)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
NL8400476A NL8400476A (nl)	1984-02-14	1984-02-14	Optisch uitleesbare geheugenschijf.
CA000473768A CA1241744A (fr)	1984-02-14	1985-02-07	Bord protecteur pour disque de stockage
ES540285A ES8606710A1 (es)	1984-02-14	1985-02-11	Un disco de almacenamiento opticamente legible
IT19458/85A IT1183232B (it)	1984-02-14	1985-02-11	Disco di memoria leggibile otticamente
DD85273212A DD228381A5 (de)	1984-02-14	1985-02-12	Optisch auslesbare speicherscheibe
BE0/214507A BE901719A (fr)	1984-02-14	1985-02-12	Disque a memoire lisible par voie optique.
FR8501934A FR2559607A1 (fr)	1984-02-14	1985-02-12	Disque a memoire lisible par voie optique
SU853862706A SU1487826A3 (ru)	1984-02-14	1985-02-13	Оптическое запоминающее устройство
JP1985017893U JPS60140235U (ja)	1984-02-14	1985-02-13	光学読取記憶デイスク
GB08503678A GB2155684B (en)	1984-02-14	1985-02-13	Optically readable storage disc
DE19853505015 DE3505015A1 (de)	1984-02-14	1985-02-14	Optisch auslesbare speicherscheibe

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8400476A NL8400476A (nl)	1984-02-14	1984-02-14	Optisch uitleesbare geheugenschijf.
NL8400476		1984-02-14

Publications (1)

Publication Number	Publication Date
NL8400476A true NL8400476A (nl)	1985-09-02

Family

ID=19843488

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8400476A NL8400476A (nl)	1984-02-14	1984-02-14	Optisch uitleesbare geheugenschijf.

Country Status (11)

Country	Link
JP (1)	JPS60140235U (fr)
BE (1)	BE901719A (fr)
CA (1)	CA1241744A (fr)
DD (1)	DD228381A5 (fr)
DE (1)	DE3505015A1 (fr)
ES (1)	ES8606710A1 (fr)
FR (1)	FR2559607A1 (fr)
GB (1)	GB2155684B (fr)
IT (1)	IT1183232B (fr)
NL (1)	NL8400476A (fr)
SU (1)	SU1487826A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2343784B (en) *	1998-11-16	2001-08-01	Leung Ching Yuen	Irregular optical disc
US20020136155A1 (en) *	2001-03-06	2002-09-26	Chieh-Ho Chen	CD safe to hold

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE190908C (fr) *
DE203656C (fr) *
GB335768A (en) *	1929-10-24	1930-10-02	Jacoviac Maurice	Improvements in protecting devices for gramophone disc records
DE883811C (de) *	1951-06-08	1953-07-20	Hermann Geiselhart	Ring aus Gummi als Plattenschutz
US4331966A (en) *	1980-10-06	1982-05-25	Storage Technology Corporation	Information storage device and method of forming same
JPS5774842A (en) *	1980-10-24	1982-05-11	Mitsubishi Electric Corp	Optical information recording disk
US4376963A (en) *	1980-12-19	1983-03-15	International Business Machines Corporation	Composite magnetic recording disk
JPS57150155A (en) *	1981-03-09	1982-09-16	Matsushita Electric Ind Co Ltd	Magnetooptic disc
JPS57172542A (en) *	1981-04-15	1982-10-23	Toshiba Corp	Information storage medium
JPS57172541A (en) *	1981-04-15	1982-10-23	Toshiba Corp	Information storage medium
FR2528216B1 (fr) *	1982-06-08	1988-01-08	Thomson Csf	Disque optique protege a porte-couche libre
JPS5987636A (ja) *	1982-11-10	1984-05-21	Toshiba Corp	情報記憶媒体

1984
- 1984-02-14 NL NL8400476A patent/NL8400476A/nl not_active Application Discontinuation
1985
- 1985-02-07 CA CA000473768A patent/CA1241744A/fr not_active Expired
- 1985-02-11 ES ES540285A patent/ES8606710A1/es not_active Expired
- 1985-02-11 IT IT19458/85A patent/IT1183232B/it active
- 1985-02-12 DD DD85273212A patent/DD228381A5/de unknown
- 1985-02-12 BE BE0/214507A patent/BE901719A/fr not_active IP Right Cessation
- 1985-02-12 FR FR8501934A patent/FR2559607A1/fr active Pending
- 1985-02-13 SU SU853862706A patent/SU1487826A3/ru active
- 1985-02-13 JP JP1985017893U patent/JPS60140235U/ja active Pending
- 1985-02-13 GB GB08503678A patent/GB2155684B/en not_active Expired
- 1985-02-14 DE DE19853505015 patent/DE3505015A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
DD228381A5 (de)	1985-10-09
IT1183232B (it)	1987-10-15
DE3505015A1 (de)	1985-08-14
CA1241744A (fr)	1988-09-06
GB2155684A (en)	1985-09-25
FR2559607A1 (fr)	1985-08-16
GB8503678D0 (en)	1985-03-13
GB2155684B (en)	1988-11-02
ES540285A0 (es)	1986-04-01
IT8519458A0 (it)	1985-02-11
BE901719A (fr)	1985-08-12
SU1487826A3 (ru)	1989-06-15
ES8606710A1 (es)	1986-04-01
JPS60140235U (ja)	1985-09-17

Legal Events

Date	Code	Title	Description
1985-09-02	A1B	A search report has been drawn up
1989-10-02	BV	The patent application has lapsed

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CN213070623U (zh)	2021-04-27	一种高强度光盘
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JPS61198445A (ja)	1986-09-02	光デイスク
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JPS58137149A (ja)	1983-08-15	光学記録再生円盤