SU375820A1 - - Google Patents
Info
- Publication number
- SU375820A1 SU375820A1 SU1720891A SU1720891A SU375820A1 SU 375820 A1 SU375820 A1 SU 375820A1 SU 1720891 A SU1720891 A SU 1720891A SU 1720891 A SU1720891 A SU 1720891A SU 375820 A1 SU375820 A1 SU 375820A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- copper
- solution
- sulfuric acid
- aluminum
- etching
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000005530 etching Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 239000004160 Ammonium persulphate Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Manufacturing Of Printed Circuit Boards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1720891A SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-06 | 1971-12-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1720891A SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-06 | 1971-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU375820A1 true SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-23 |
Family
ID=20495016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1720891A SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-06 | 1971-12-06 |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1971
- 1971-12-06 SU SU1720891A patent/SU375820A1/ru active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0257792A3 (en) | Composition and method for stripping films from printed circuit boards | |
US3898095A (en) | Method of etching aluminum | |
US3565707A (en) | Metal dissolution | |
SU375820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
GB1220364A (en) | Improvements in metal film resists for the etching of oxides | |
US3467599A (en) | Etching solution | |
JPS5462930A (en) | Chemical plating pretreatment method | |
US5377406A (en) | Process for producing a printed circuit board | |
SU553273A1 (ru) | Раствор дл травлени печатных плат | |
SU956620A1 (ru) | Раствор дл стравливани пленок алюмини | |
US3532569A (en) | Aluminum etchant and process | |
JPS62104037A (ja) | アルミナ層中に貫通孔を形成する方法 | |
SU929738A1 (ru) | Раствор дл размерного травлени молибдена и меди | |
DE3885457D1 (de) | Verfahren zum Herstellen von durchkontaktierten Leiterplatten mit sehr kleinen oder keinen Löträndern um die Durchkontaktierungslöcher. | |
JPS5343481A (en) | Mirror surface etching method of sapphire substrate crystal | |
SU805501A1 (ru) | Раствор дл травлени металлизирован-НыХ пОКРыТий, пРЕиМущЕСТВЕННО пЕчАТ-НыХ плАТ | |
SU790379A1 (ru) | Раствор дл удалени фоторезиста | |
JPS57207342A (en) | Etchant for metallic wiring | |
SU629178A1 (ru) | Травильный раствор | |
JPS6489588A (en) | Manufacture of pc board | |
SU1148898A1 (ru) | Раствор дл травлени меди | |
RU1807088C (ru) | Раствор дл химического травлени меди | |
GB976167A (en) | Method of producing a printed circuit board | |
JPS56144195A (en) | Manufacture of supporter for lithographic plate | |
RU2016915C1 (ru) | Раствор для травления тугоплавких металлов |