BE440923A - - Google Patents
Info
- Publication number
- BE440923A BE440923A BE440923DA BE440923A BE 440923 A BE440923 A BE 440923A BE 440923D A BE440923D A BE 440923DA BE 440923 A BE440923 A BE 440923A
- Authority
- BE
- Belgium
- Prior art keywords
- recording
- needle
- groove
- inscription
- sound
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000004922 lacquer Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000000700 radioactive tracer Substances 0.000 claims description 2
- 108010010803 Gelatin Proteins 0.000 description 7
- 229920000159 gelatin Polymers 0.000 description 7
- 239000008273 gelatin Substances 0.000 description 7
- 235000019322 gelatine Nutrition 0.000 description 7
- 235000011852 gelatine desserts Nutrition 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440923A true BE440923A (ca) |
Family
ID=98555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440923D BE440923A (ca) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE440923A (ca) |
-
0
- BE BE440923D patent/BE440923A/fr unknown
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