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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Withdrawn
Application number
DE19702008766
Other languages
German (de)
Other versions
DE2008766B2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to DE19702008766 priority Critical patent/DE2008766B2/en
Publication of DE2008766B2 publication Critical patent/DE2008766B2/en
Publication of DE2008766A1 publication Critical patent/DE2008766A1/de
Priority to US09/558,621 priority patent/US6234501B1/en
Withdrawn legal-status Critical Current

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)
DE19702008766 1970-02-23 1970-02-23 Regenerating cupric chloride etching - solution enriched with cuprous chloride Withdrawn DE2008766B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19702008766 DE2008766B2 (en) 1970-02-23 1970-02-23 Regenerating cupric chloride etching - solution enriched with cuprous chloride
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 (en) 1970-02-23 1970-02-23 Regenerating cupric chloride etching - solution enriched with cuprous chloride

Publications (2)

Publication Number Publication Date
DE2008766B2 DE2008766B2 (en) 1971-07-29
DE2008766A1 true DE2008766A1 (en) 1971-07-29

Family

ID=5763321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702008766 Withdrawn DE2008766B2 (en) 1970-02-23 1970-02-23 Regenerating cupric chloride etching - solution enriched with cuprous chloride

Country Status (1)

Country Link
DE (1) DE2008766B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133806B (en) * 1983-01-20 1986-06-04 Electricity Council Regenerating solutions for etching copper
EP0122963B1 (en) * 1983-04-13 1988-06-01 Forschungszentrum Jülich Gmbh Apparatus for regenerating an ammoniacal etching solution
DE3317040A1 (en) * 1983-05-10 1984-11-15 Hans Höllmüller Maschinenbau GmbH & Co, 7033 Herrenberg Process and apparatus for electrolytically regenerating an etchant
DE3330349A1 (en) * 1983-08-23 1985-03-14 Robert Bosch Gmbh, 7000 Stuttgart PROCESS FOR ELECTROCHEMICAL COMPENSATION OF AIR OXIDATION DURING THE ELECTROCHEMICAL REGENERATION OF CHLORIDE-CONTAINING COPPER ETCH SOLUTIONS
DE3422276A1 (en) * 1984-06-15 1985-12-19 Walter Holzer Apparatus and procedure for etching printed circuit boards
DE3345050A1 (en) * 1983-12-13 1985-06-20 Walter 7758 Meersburg Holzer METHOD FOR THE ENVIRONMENTALLY FRIENDLY ASSEMBLY OF CIRCUIT BOARDS AND DEVICE FOR EXERCISING THE WORKING METHOD
DE3935222A1 (en) * 1989-10-23 1991-04-25 Hoellmueller Maschbau H ETCHING PLANT AND METHOD FOR ETCHING OBJECTS
DE4010035A1 (en) * 1990-03-29 1991-10-02 Hoellmueller Maschbau H DEVICE FOR ELECTROLYTIC REGENERATION OF AN ACID CONTAINING CHLORIDE AND METALLIONS
DE19831330C1 (en) * 1998-07-13 1999-11-11 Ko Chien Hsin Electrolytic etching of copper e.g. from printed circuits or circuit boards
DE10300597A1 (en) * 2003-01-10 2004-07-22 Eilenburger Elektrolyse- Und Umwelttechnik Gmbh Process for regeneration of acid chloride etching solutions containing copper and/or iron chloride as oxidizing agents involves cathodic separation of dissolved copper from catholyte solution with pumping of anolyte through two-part cell

Cited By (3)

* Cited by examiner, † Cited by third party
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 (en) 1971-07-29

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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