CA923024A - Selectively stripping tin and/or lead from copper substrates - Google Patents
Selectively stripping tin and/or lead from copper substratesInfo
- Publication number
- CA923024A CA923024A CA120282A CA120282A CA923024A CA 923024 A CA923024 A CA 923024A CA 120282 A CA120282 A CA 120282A CA 120282 A CA120282 A CA 120282A CA 923024 A CA923024 A CA 923024A
- Authority
- CA
- Canada
- Prior art keywords
- lead
- copper substrates
- stripping tin
- selectively stripping
- selectively
- 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
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
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
-
- 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
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)
- Manufacturing Of Printed Wiring (AREA)
- ing And Chemical Polishing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Chemically Coating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6976970A | 1970-09-04 | 1970-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA923024A true CA923024A (en) | 1973-03-20 |
Family
ID=22091105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA120282A Expired CA923024A (en) | 1970-09-04 | 1971-08-11 | Selectively stripping tin and/or lead from copper substrates |
Country Status (7)
Country | Link |
---|---|
US (1) | US3677949A (de) |
JP (1) | JPS5017336B1 (de) |
CA (1) | CA923024A (de) |
DE (1) | DE2143785A1 (de) |
ES (1) | ES394816A1 (de) |
FR (1) | FR2102030A5 (de) |
GB (1) | GB1361445A (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841905A (en) * | 1970-11-19 | 1974-10-15 | Rbp Chem Corp | Method of preparing printed circuit boards with terminal tabs |
US3888778A (en) * | 1973-03-13 | 1975-06-10 | Merton Beckwith | Bright dip composition for tin/lead |
GB1446816A (en) * | 1973-05-02 | 1976-08-18 | Furukawa Electric Co Ltd | Chemical dissolution treatment of tin or alloys thereof |
US3926699A (en) * | 1974-06-17 | 1975-12-16 | Rbp Chemical Corp | Method of preparing printed circuit boards with terminal tabs |
US4004956A (en) * | 1974-08-14 | 1977-01-25 | Enthone, Incorporated | Selectively stripping tin or tin-lead alloys from copper substrates |
USRE29181E (en) * | 1974-12-18 | 1977-04-12 | Rbp Chemical Corporation | Method of preparing printed circuit boards with terminal tabs |
US3990982A (en) * | 1974-12-18 | 1976-11-09 | Rbp Chemical Corporation | Composition for stripping lead-tin solder |
US4175011A (en) * | 1978-07-17 | 1979-11-20 | Allied Chemical Corporation | Sulfate-free method of etching copper pattern on printed circuit boards |
US4306933A (en) * | 1980-02-11 | 1981-12-22 | Chemline Industries | Tin/tin-lead stripping solutions |
IT1144797B (it) * | 1981-10-14 | 1986-10-29 | Alfachimici Spa | Soluzione per l asportazione di stagno o lega stagno piombo da un substrato mediante operazione a spruzzo |
USRE32555E (en) * | 1982-09-20 | 1987-12-08 | Circuit Chemistry Corporation | Solder stripping solution |
US4397753A (en) * | 1982-09-20 | 1983-08-09 | Circuit Chemistry Corporation | Solder stripping solution |
EP0157382B1 (de) * | 1984-04-02 | 1988-08-10 | PARKER CHEMICAL COMPANY (a Delaware company) | Verfahren und wässrige, saure Reinigungslösung zur Reinigung von Aluminiumoberflächen |
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 |
ZA873845B (en) * | 1986-06-18 | 1987-11-24 | Macdermid, Incorporated | Method for manufacture of printed circuit boards |
DE3738307A1 (de) * | 1987-11-11 | 1989-05-24 | Ruwel Werke Gmbh | Badloesungen und verfahren zum entfernen von blei/zinn-, blei- bzw. zinnschichten auf kupfer- oder nickeloberflaechen |
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 |
US4956035A (en) * | 1989-08-01 | 1990-09-11 | Rd Chemical Company | Composition and process for promoting adhesion on metal 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 |
DE4219667C2 (de) * | 1992-06-16 | 1994-12-01 | Kernforschungsz Karlsruhe | Werkzeug und Verfahren zur Herstellung einer mikrostrukturierten Kunststoffschicht |
TWI231831B (en) * | 2001-10-11 | 2005-05-01 | Shipley Co Llc | Stripping solution |
CN100339014C (zh) * | 2003-03-27 | 2007-09-26 | 中国人民解放军第三军医大学 | N-乙酰氨基葡萄糖在乳制品中的应用及包含n-乙酰氨基葡萄糖的乳制品 |
DE102004014680B3 (de) * | 2004-03-25 | 2005-07-28 | Dr.-Ing. Max Schlötter GmbH & Co KG | Entmetallisierungslösung und deren Verwendung |
EP2503029B1 (de) * | 2011-03-22 | 2013-03-20 | Atotech Deutschland GmbH | Verfahren zum Ätzen einer mit Zinn oder einer Zinnlegierung gefüllten vertieften Struktur |
CN111705216B (zh) * | 2020-06-16 | 2021-12-03 | 云南锡业股份有限公司锡业分公司 | 一种焊锡电解阳极泥的处理工艺 |
-
1970
- 1970-09-04 US US69769A patent/US3677949A/en not_active Expired - Lifetime
-
1971
- 1971-08-11 CA CA120282A patent/CA923024A/en not_active Expired
- 1971-08-25 FR FR7130796A patent/FR2102030A5/fr not_active Expired
- 1971-08-30 JP JP46065944A patent/JPS5017336B1/ja active Pending
- 1971-09-01 DE DE19712143785 patent/DE2143785A1/de active Pending
- 1971-09-02 GB GB4104071A patent/GB1361445A/en not_active Expired
- 1971-09-04 ES ES394816A patent/ES394816A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1361445A (en) | 1974-07-24 |
US3677949A (en) | 1972-07-18 |
FR2102030A5 (de) | 1972-03-31 |
ES394816A1 (es) | 1974-11-16 |
JPS5017336B1 (de) | 1975-06-20 |
DE2143785A1 (de) | 1972-03-16 |
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