DE243537C - - Google Patents
Info
- Publication number
- DE243537C DE243537C DE1910243537D DE243537DD DE243537C DE 243537 C DE243537 C DE 243537C DE 1910243537 D DE1910243537 D DE 1910243537D DE 243537D D DE243537D D DE 243537DD DE 243537 C DE243537 C DE 243537C
- Authority
- DE
- Germany
- Prior art keywords
- etching
- areas
- varnish
- bare
- nitric acid
- 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
- 238000005530 etching Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 235000018553 tannin Nutrition 0.000 claims description 2
- 229920001864 tannin Polymers 0.000 claims description 2
- 239000001648 tannin Substances 0.000 claims description 2
- 235000008317 Condalia obovata Nutrition 0.000 claims 1
- 244000147935 Condalia obovata Species 0.000 claims 1
- 239000000126 substance Substances 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- 240000007829 Haematoxylum campechianum Species 0.000 description 1
- 241000316887 Saissetia oleae Species 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/002—Details
- G01B3/004—Scales; Graduations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE243537T | 1910-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE243537C true DE243537C (enrdf_load_stackoverflow) | 1912-02-14 |
Family
ID=33557959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1910243537D Expired DE243537C (enrdf_load_stackoverflow) | 1910-06-01 | 1910-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE243537C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2431114A1 (fr) * | 1978-07-13 | 1980-02-08 | Stanley Mabo | Procede de fabrication des regles de mesure metalliques |
| DE19652974A1 (de) * | 1996-12-19 | 1998-06-25 | Alsthom Cge Alcatel | Verfahren zur Kontrolle der Genauigkeit beim mehrstufigen Ätzen |
-
1910
- 1910-06-01 DE DE1910243537D patent/DE243537C/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2431114A1 (fr) * | 1978-07-13 | 1980-02-08 | Stanley Mabo | Procede de fabrication des regles de mesure metalliques |
| DE19652974A1 (de) * | 1996-12-19 | 1998-06-25 | Alsthom Cge Alcatel | Verfahren zur Kontrolle der Genauigkeit beim mehrstufigen Ätzen |
| US6379778B1 (en) | 1996-12-19 | 2002-04-30 | Alcatel | Method of checking the accuracy of the result of a multistep etching process |
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