DE2008766A1 - - Google Patents
Info
- Publication number
- DE2008766A1 DE2008766A1 DE19702008766 DE2008766A DE2008766A1 DE 2008766 A1 DE2008766 A1 DE 2008766A1 DE 19702008766 DE19702008766 DE 19702008766 DE 2008766 A DE2008766 A DE 2008766A DE 2008766 A1 DE2008766 A1 DE 2008766A1
- Authority
- DE
- Germany
- 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.)
- Withdrawn
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
- C23F1/46—Regeneration of etching compositions
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)
- Manufacturing Of Printed Circuit Boards (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702008766 DE2008766B2 (de) | 1970-02-23 | 1970-02-23 | Verfahren zum regenerieren einer kupferhaltigen aetzloesung insbesondere fuer die herstellung von gedruckten schaltungen |
US09/558,621 US6234501B1 (en) | 1970-02-23 | 2000-04-26 | Foldable scooter with head tube assembly, brake and suspension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702008766 DE2008766B2 (de) | 1970-02-23 | 1970-02-23 | Verfahren zum regenerieren einer kupferhaltigen aetzloesung insbesondere fuer die herstellung von gedruckten schaltungen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2008766B2 DE2008766B2 (de) | 1971-07-29 |
DE2008766A1 true DE2008766A1 (enrdf_load_stackoverflow) | 1971-07-29 |
Family
ID=5763321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702008766 Withdrawn DE2008766B2 (de) | 1970-02-23 | 1970-02-23 | Verfahren zum regenerieren einer kupferhaltigen aetzloesung insbesondere fuer die herstellung von gedruckten schaltungen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2008766B2 (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4468305A (en) * | 1979-05-08 | 1984-08-28 | The Electricity Council | Method for the electrolytic regeneration of etchants for metals |
US4576677A (en) * | 1983-04-13 | 1986-03-18 | Kernforschungsanlage Julich Gmbh | Method and apparatus for regenerating an ammoniacal etching solution |
US5013395A (en) * | 1987-08-28 | 1991-05-07 | International Business Machines Corporation | Continuous regeneration of acid solution |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2133806B (en) * | 1983-01-20 | 1986-06-04 | Electricity Council | Regenerating solutions for etching copper |
DE3376853D1 (en) * | 1983-04-13 | 1988-07-07 | Kernforschungsanlage Juelich | Apparatus for regenerating an ammoniacal etching solution |
DE3317040A1 (de) * | 1983-05-10 | 1984-11-15 | Hans Höllmüller Maschinenbau GmbH & Co, 7033 Herrenberg | Verfahren und vorrichtung zur elektrolytischen regeneration eines aetzmittels |
DE3330349A1 (de) * | 1983-08-23 | 1985-03-14 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur elektrochemischen kompensation der luftoxidation bei der elektrochemischen regenerierung von chloridhaltigen kupferaetzloesungen |
DE3422276A1 (de) * | 1984-06-15 | 1985-12-19 | Walter Holzer | Vorrichtung und arbeitsverfahren zum aetzen von leiterplatten |
DE3345050A1 (de) * | 1983-12-13 | 1985-06-20 | Walter 7758 Meersburg Holzer | Verfahren zum umweltfreundlichen aetzen von leiterplatten und vorrichtung zur ausuebung des arbeitsverfahrens |
DE3935222A1 (de) * | 1989-10-23 | 1991-04-25 | Hoellmueller Maschbau H | Aetzanlage sowie verfahren zum aetzen von gegenstaenden |
DE4010035A1 (de) * | 1990-03-29 | 1991-10-02 | Hoellmueller Maschbau H | Vorrichtung zur elektrolytischen regeneration eines chlorid- und metallionen enthaltenden aetzmittels |
DE19831330C1 (de) * | 1998-07-13 | 1999-11-11 | Ko Chien Hsin | Verfahren und Vorrichtung zum Ätzen von Kupfer von Gegenständen |
DE10300597A1 (de) * | 2003-01-10 | 2004-07-22 | Eilenburger Elektrolyse- Und Umwelttechnik Gmbh | Verfahren und Vorrichtung zur vollständigen Regenerierung von Metallchlorid-Ätzlösungen für Kupferwerkstoffe |
-
1970
- 1970-02-23 DE DE19702008766 patent/DE2008766B2/de not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4468305A (en) * | 1979-05-08 | 1984-08-28 | The Electricity Council | Method for the electrolytic regeneration of etchants for metals |
US4576677A (en) * | 1983-04-13 | 1986-03-18 | Kernforschungsanlage Julich Gmbh | Method and apparatus for regenerating an ammoniacal etching solution |
US5013395A (en) * | 1987-08-28 | 1991-05-07 | International Business Machines Corporation | Continuous regeneration of acid solution |
Also Published As
Publication number | Publication date |
---|---|
DE2008766B2 (de) | 1971-07-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E771 | Valid patent as to the heymanns-index 1977, willingness to grant licences | ||
EHJ | Ceased/non-payment of the annual fee |