DE2152222A1 - Verfahren zur Entfernung von Gold - Google Patents
Verfahren zur Entfernung von GoldInfo
- Publication number
- DE2152222A1 DE2152222A1 DE19712152222 DE2152222A DE2152222A1 DE 2152222 A1 DE2152222 A1 DE 2152222A1 DE 19712152222 DE19712152222 DE 19712152222 DE 2152222 A DE2152222 A DE 2152222A DE 2152222 A1 DE2152222 A1 DE 2152222A1
- Authority
- DE
- Germany
- Prior art keywords
- gold
- solution
- substrate
- electrically conductive
- electrode
- 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.)
- Pending
Links
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims description 53
- 239000010931 gold Substances 0.000 title claims description 53
- 229910052737 gold Inorganic materials 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 25
- 239000000758 substrate Substances 0.000 claims description 22
- 238000007747 plating Methods 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- 230000002378 acidificating effect Effects 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 16
- 239000002904 solvent Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KZNMRPQBBZBTSW-UHFFFAOYSA-N [Au]=O Chemical class [Au]=O KZNMRPQBBZBTSW-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 description 1
- 229910001922 gold oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F5/00—Electrolytic stripping of metallic layers or coatings
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Wiring (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8490870A | 1970-10-28 | 1970-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2152222A1 true DE2152222A1 (de) | 1972-05-04 |
Family
ID=22187967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712152222 Pending DE2152222A1 (de) | 1970-10-28 | 1971-10-20 | Verfahren zur Entfernung von Gold |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3663388A (https=) |
| DE (1) | DE2152222A1 (https=) |
| FR (1) | FR2111891B1 (https=) |
| GB (1) | GB1337780A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3819494A (en) * | 1973-03-29 | 1974-06-25 | Fountain Plating Co Inc | Method of removing braze |
| US4606797A (en) * | 1985-09-12 | 1986-08-19 | Engelhard Corporation | Method for recovery of high grade gold alloy from karat gold-clad base metal substrates |
| US4895626A (en) * | 1989-04-14 | 1990-01-23 | Shor Peter S | Process for refining and purifying gold |
| US7150820B2 (en) * | 2003-09-22 | 2006-12-19 | Semitool, Inc. | Thiourea- and cyanide-free bath and process for electrolytic etching of gold |
| CN103397374B (zh) * | 2013-07-29 | 2016-02-03 | 无锡商业职业技术学院 | 一种陶瓷电容内部镍电极剥离的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735810A (en) * | 1956-02-21 | Cathode | ||
| US2596307A (en) * | 1947-11-05 | 1952-05-13 | Charles Litzenberg | Process of electrostripping electrodeposited metals |
| NL298059A (https=) * | 1962-09-18 |
-
1970
- 1970-10-28 US US84908A patent/US3663388A/en not_active Expired - Lifetime
-
1971
- 1971-09-23 GB GB4442271A patent/GB1337780A/en not_active Expired
- 1971-10-20 DE DE19712152222 patent/DE2152222A1/de active Pending
- 1971-10-27 FR FR7138638A patent/FR2111891B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1337780A (en) | 1973-11-21 |
| FR2111891B1 (https=) | 1974-05-10 |
| FR2111891A1 (https=) | 1972-06-09 |
| US3663388A (en) | 1972-05-16 |
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