SU404907A1 - VPTB - Google Patents
VPTBInfo
- Publication number
- SU404907A1 SU404907A1 SU1287331A SU1287331A SU404907A1 SU 404907 A1 SU404907 A1 SU 404907A1 SU 1287331 A SU1287331 A SU 1287331A SU 1287331 A SU1287331 A SU 1287331A SU 404907 A1 SU404907 A1 SU 404907A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- nitrate
- vptb
- silver nitrate
- etching
- potassium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/30—Acidic compositions for etching other metallic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Description
1one
Известен раствор дл хи мического травлени металлов, содер/ ;а1 и11| серную п азотную кислоты и азотиоз ислый калм.A known solution for chemical etching of metals containing /; a1 and 11 | sulfuric p nitric acid and nitrogeniosis calme.
Предлагаемый раствор отличаетс от известного введением в его состав азотистокислого натри и азотнокислого серебра при следующем соотиошеиии компонентов, мг1л: Серна кислота (уд. вес 1,84 952-955 (лгл/л) Азотна кислота (уд. вес 1,4) 45-48 (ли/л) Азотнокислы11 кали 1109-124The proposed solution differs from that known by introducing sodium nitrite and silver nitrate into its composition with the following ratio of components, mgl l: Sulfuric acid (specific weight 1.84 952-955 (lgl / l) Nitric acid (specific weight 1.4) 45- 48 (li / l) nitrate 11 potassium 1109-124
АЗОТИСТОКИС.) HHTpHll400-475AZOTISTOKIS.) HHTpHll400-475
Азотнокислое серебро (в пересчете на металл)4,5-5,7 Такое соотногнеиие кол 11онентов иозвол ет качество травлен-и .Silver nitrate (in terms of metal) 4.5-5.7 Such a relative amount of 11% of ions gives the quality of etched.
Пример. При 20°С ироводитс стравливание медносеребр пого припо с медных деталей в растворе, содержащем: Серна кислота (уд. вес 1,84), л10Example. At 20 ° C, copper copper etching from copper parts is carried out in a solution containing: Sulfuric acid (specific weight 1.84), l10
Азотна кнслота (уд. вес 1,4), л0,5Nitrogen knot (sp. Weight 1,4), l0,5
Азотистокисл 1Й калий, г1,3Nitrite 1Y potassium, g1,3
Азотисток11СЛ1лй , г4.5Azotistok11SL1ly, g4.5
Азотнокислое серебро (в пересчетеSilver nitrate (in terms of
на металл), с0,05on metal), p0,05
После стравливани ири)о размеры деталей не 1змен ютс .After etching, the parts are not replaced.
П р е д М от изобретени P re d from the invention
Раствор дл химического травлени металo лов, содержащий серну О п азотную К1 слоты азотнокислый натрий, отличающийс тем, что, с целью овышени качества травлени , в его состав введены азотистокислый натрий и азотнокислое серебро при следующем соотноше5 компонентов, .иг/л: A solution for chemical etching of metals containing sulfur O n nitric K1 slots sodium nitrate, characterized in that, in order to improve the etching quality, sodium nitrite and silver nitrate are added to it in the following ratio of 5 components, .ig / l:
952-955 Серна кислота (уд. вес 1,84) 952-955 Sulfuric acid (spd. 1.84)
45- 48 Азотна .кислота (уд. вес 1,4) 45- 48 Nitric acid (sp. Weight 1,4)
109-124 Азотнокислый калий 109-124 Potassium Nitrate
400-475 Азотнокислый натрий 400-475 Sodium Nitrate
0 Азотнокислое серебро (в пере4 ,5-5,7 I счете на металл)0 Silver nitrate (in re4, 5-5.7 I score on metal)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1287331A SU404907A1 (en) | 1968-12-04 | 1968-12-04 | VPTB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1287331A SU404907A1 (en) | 1968-12-04 | 1968-12-04 | VPTB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU404907A1 true SU404907A1 (en) | 1973-10-22 |
Family
ID=20443955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1287331A SU404907A1 (en) | 1968-12-04 | 1968-12-04 | VPTB |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU404907A1 (en) |
-
1968
- 1968-12-04 SU SU1287331A patent/SU404907A1/en active
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