CA1067206A - Appareil et methode de verification de l'information enregistree sur un disque video - Google Patents
Appareil et methode de verification de l'information enregistree sur un disque videoInfo
- Publication number
- CA1067206A CA1067206A CA313,004A CA313004A CA1067206A CA 1067206 A CA1067206 A CA 1067206A CA 313004 A CA313004 A CA 313004A CA 1067206 A CA1067206 A CA 1067206A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- writing
- light
- video information
- intensity
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000002310 reflectometry Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000004075 alteration Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 claims 4
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 10
- 239000002184 metal Substances 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- -1 under applied heat Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA313,004A CA1067206A (fr) | 1977-10-27 | 1978-10-10 | Appareil et methode de verification de l'information enregistree sur un disque video |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA289,623A CA1069214A (fr) | 1973-02-20 | 1977-10-27 | Methode de production de disque video |
| CA313,004A CA1067206A (fr) | 1977-10-27 | 1978-10-10 | Appareil et methode de verification de l'information enregistree sur un disque video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1067206A true CA1067206A (fr) | 1979-11-27 |
Family
ID=25668590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA313,004A Expired CA1067206A (fr) | 1977-10-27 | 1978-10-10 | Appareil et methode de verification de l'information enregistree sur un disque video |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1067206A (fr) |
-
1978
- 1978-10-10 CA CA313,004A patent/CA1067206A/fr not_active Expired
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