ZA873843B - Process for stripping tin or tin-lead alloy from copper - Google Patents
Process for stripping tin or tin-lead alloy from copperInfo
- Publication number
- ZA873843B ZA873843B ZA873843A ZA873843A ZA873843B ZA 873843 B ZA873843 B ZA 873843B ZA 873843 A ZA873843 A ZA 873843A ZA 873843 A ZA873843 A ZA 873843A ZA 873843 B ZA873843 B ZA 873843B
- Authority
- ZA
- South Africa
- Prior art keywords
- tin
- copper
- lead alloy
- stripping
- stripping tin
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/067—Etchants
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- ing And Chemical Polishing (AREA)
- Conductive Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/875,614 US4687545A (en) | 1986-06-18 | 1986-06-18 | Process for stripping tin or tin-lead alloy from copper |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA873843B true ZA873843B (en) | 1987-12-07 |
Family
ID=25366081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA873843A ZA873843B (en) | 1986-06-18 | 1987-05-27 | Process for stripping tin or tin-lead alloy from copper |
Country Status (6)
Country | Link |
---|---|
US (1) | US4687545A (xx) |
EP (1) | EP0270658A1 (xx) |
JP (1) | JPS63503553A (xx) |
AU (1) | AU7643887A (xx) |
WO (1) | WO1987007917A1 (xx) |
ZA (1) | ZA873843B (xx) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4732649A (en) * | 1986-06-18 | 1988-03-22 | Macdermid, Incorporated | Method for manufacture of printed circuit boards |
US4806200A (en) * | 1986-06-18 | 1989-02-21 | Macdermid, Incorporated | Method for manufacture of printed circuit boards |
US4911785A (en) * | 1987-02-04 | 1990-03-27 | Andus Corporation | The method of forming a thin film artwork compounds |
US4957653A (en) * | 1989-04-07 | 1990-09-18 | Macdermid, Incorporated | Composition containing alkane sulfonic acid and ferric nitrate for stripping tin or tin-lead alloy from copper surfaces, and method for stripping tin or tin-lead alloy |
US4944851A (en) * | 1989-06-05 | 1990-07-31 | Macdermid, Incorporated | Electrolytic method for regenerating tin or tin-lead alloy stripping compositions |
US4921571A (en) * | 1989-07-28 | 1990-05-01 | Macdermid, Incorporated | Inhibited composition and method for stripping tin, lead or tin-lead alloy from copper surfaces |
JPH0375386A (ja) * | 1989-08-18 | 1991-03-29 | Metsuku Kk | 錫又は錫‐鉛合金の剥離方法 |
US5017267A (en) * | 1990-07-17 | 1991-05-21 | Macdermid, Incorporated | Composition and method for stripping tin or tin-lead alloy from copper surfaces |
DE4113283C2 (de) * | 1991-04-24 | 1994-05-05 | Kernforschungsz Karlsruhe | Verwendung einer Ätzlösung zum selektiven Abätzen einer metallischen Opferschicht bei der Herstellung von Mikrostrukturen |
US5824631A (en) * | 1994-06-03 | 1998-10-20 | Wagenknecht; John H. | Compositions for dissolution of soft metals |
US5565039A (en) * | 1994-06-03 | 1996-10-15 | Wagenknecht; John H. | Method for dissolution of soft metals from a substrate of a harder metal |
US5755950A (en) * | 1995-06-07 | 1998-05-26 | Dulin Metals Company | Process for removing plating materials from copper-based substrates |
DK0842332T3 (da) * | 1995-08-03 | 2001-08-06 | Europa Metalli Spa | Vandinstallationskomponenter med en lav afgivelse af bly og fremstillet af kobberbaserede legeringer, der indeholder bly, og en fremgangsmåde til at opnå disse |
AU7560696A (en) * | 1995-10-16 | 1997-05-07 | Siemens Aktiengesellschaft | Process for removing tin |
US6461534B2 (en) | 1997-11-19 | 2002-10-08 | Europa Metalli S. P. A. | Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same |
CN1207442C (zh) * | 1997-12-03 | 2005-06-22 | 东陶机器株式会社 | 减低含铅铜合金铅溶出的处理方法和减低合铅铜合金铅熔出的镀层方法 |
US6290835B1 (en) | 2000-02-07 | 2001-09-18 | Rd Chemical Company | Treatment of waste from printed circuit board production for recovery of tin and environmentally safe disposal |
ES2183775T3 (es) * | 2000-03-17 | 2003-04-01 | Ruvaris S R L | Procedimiento de extraccion selectiva de polomo y baño para componentes de fontaneria fabricados de una aleacion de cobre. |
EP1302569A3 (en) * | 2001-10-11 | 2004-03-03 | Shipley Co. L.L.C. | Stripping solution |
JP4253280B2 (ja) * | 2003-12-05 | 2009-04-08 | 三井金属鉱業株式会社 | プリント配線基板の製造方法 |
JP4374366B2 (ja) * | 2006-10-18 | 2009-12-02 | アルプス電気株式会社 | スイッチ装置に用いられる回路基板の製造方法 |
JP5481179B2 (ja) * | 2009-12-15 | 2014-04-23 | Dowaメタルテック株式会社 | Cu系材料のSnめっき層の剥離方法 |
EP2503029B1 (en) * | 2011-03-22 | 2013-03-20 | Atotech Deutschland GmbH | Process for etching a recessed structure filled with tin or a tin alloy |
US10443135B1 (en) | 2018-05-11 | 2019-10-15 | Macdermid Enthone Inc. | Near neutral pH pickle on multi-metals |
CN108531910A (zh) * | 2018-06-04 | 2018-09-14 | 深圳市恒宝源环保科技有限公司 | 一种pcb退锡系统及退锡方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2872361A (en) * | 1946-04-02 | 1959-02-03 | Howard T Siefen | Stripping metal coatings |
US3849218A (en) * | 1973-03-13 | 1974-11-19 | Conversion Chem Corp | Composition and method for stripping nickel, zinc and cadmium from substrates of iron and copper |
US4004956A (en) * | 1974-08-14 | 1977-01-25 | Enthone, Incorporated | Selectively stripping tin or tin-lead alloys from copper substrates |
DE3208124A1 (de) * | 1981-08-17 | 1983-09-08 | Elget Ing.-Büro für grafische und elektronische Technik, 8501 Oberasbach | Stripper |
US4397753A (en) * | 1982-09-20 | 1983-08-09 | Circuit Chemistry Corporation | Solder stripping solution |
-
1986
- 1986-06-18 US US06/875,614 patent/US4687545A/en not_active Expired - Lifetime
-
1987
- 1987-05-27 ZA ZA873843A patent/ZA873843B/xx unknown
- 1987-06-17 JP JP62504087A patent/JPS63503553A/ja active Pending
- 1987-06-17 AU AU76438/87A patent/AU7643887A/en not_active Abandoned
- 1987-06-17 WO PCT/US1987/001424 patent/WO1987007917A1/en not_active Application Discontinuation
- 1987-06-17 EP EP87904436A patent/EP0270658A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1987007917A1 (en) | 1987-12-30 |
AU7643887A (en) | 1988-01-12 |
US4687545A (en) | 1987-08-18 |
EP0270658A1 (en) | 1988-06-15 |
JPS63503553A (ja) | 1988-12-22 |
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