BE490849A - - Google Patents
Info
- Publication number
- BE490849A BE490849A BE490849DA BE490849A BE 490849 A BE490849 A BE 490849A BE 490849D A BE490849D A BE 490849DA BE 490849 A BE490849 A BE 490849A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- ribbons
- recording
- film
- positive
- Prior art date
Links
- 239000000126 substance Substances 0.000 claims 1
- 230000000051 modifying Effects 0.000 description 10
- 230000003287 optical Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490849A true BE490849A (el) |
Family
ID=135470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490849D BE490849A (el) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE490849A (el) |
-
0
- BE BE490849D patent/BE490849A/fr unknown
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