AT313671B - Process for regenerating etching solutions for copper and copper alloys, regeneration system for carrying out this process and measuring and control device for this regeneration system - Google Patents

Process for regenerating etching solutions for copper and copper alloys, regeneration system for carrying out this process and measuring and control device for this regeneration system

Info

Publication number
AT313671B
AT313671B AT164772A AT164772A AT313671B AT 313671 B AT313671 B AT 313671B AT 164772 A AT164772 A AT 164772A AT 164772 A AT164772 A AT 164772A AT 313671 B AT313671 B AT 313671B
Authority
AT
Austria
Prior art keywords
regeneration system
copper
measuring
carrying
control device
Prior art date
Application number
AT164772A
Other languages
German (de)
Original Assignee
Hoellmueller Maschbau H
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
Priority claimed from DE19712110950 external-priority patent/DE2110950A1/en
Priority claimed from DE19712140215 external-priority patent/DE2140215C2/en
Priority claimed from CH102572A external-priority patent/CH587923A5/en
Application filed by Hoellmueller Maschbau H filed Critical Hoellmueller Maschbau H
Application granted granted Critical
Publication of AT313671B publication Critical patent/AT313671B/en

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)
AT164772A 1971-03-08 1972-02-29 Process for regenerating etching solutions for copper and copper alloys, regeneration system for carrying out this process and measuring and control device for this regeneration system AT313671B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712110950 DE2110950A1 (en) 1971-03-08 1971-03-08 Etching copper/copper alloys process - using a regenerative soln contg ammonium and chloride ions
DE19712140215 DE2140215C2 (en) 1971-08-11 1971-08-11 Method and system for regenerating an etching solution suitable for etching copper and copper alloys, in particular copper-clad printed circuit boards, as well as measuring device of this system
CH102572A CH587923A5 (en) 1971-03-08 1972-01-21 Etching copper/copper alloys process - using a regenerative soln contg ammonium and chloride ions

Publications (1)

Publication Number Publication Date
AT313671B true AT313671B (en) 1974-02-25

Family

ID=27172613

Family Applications (1)

Application Number Title Priority Date Filing Date
AT164772A AT313671B (en) 1971-03-08 1972-02-29 Process for regenerating etching solutions for copper and copper alloys, regeneration system for carrying out this process and measuring and control device for this regeneration system

Country Status (9)

Country Link
US (1) US3806393A (en)
JP (1) JPS5549154B1 (en)
AT (1) AT313671B (en)
BE (1) BE780292A (en)
CA (1) CA969843A (en)
FR (1) FR2128796B1 (en)
GB (1) GB1376785A (en)
IT (1) IT952925B (en)
NL (1) NL7202652A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018592A1 (en) * 1979-04-30 1980-11-12 Siemens Aktiengesellschaft Process for the regeneration of ammoniacal etching solutions for etching metallic copper
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
DE3422276A1 (en) * 1984-06-15 1985-12-19 Walter Holzer Apparatus and procedure for etching printed circuit boards
DE3936363A1 (en) * 1989-11-02 1991-05-08 Hoellmueller Maschbau H Etching unit esp. for printed copper circuit boards - in which used rinsing water is distilled to recover pure water and ammoniacal etchant to which ammonia is added prior to recycling

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951711A (en) * 1974-10-24 1976-04-20 General Dynamics Corporation System for maintaining uniform copper etching efficiency
US3999564A (en) * 1976-01-09 1976-12-28 Pesek Engineering & Mfg. Co. Continuous etching and etched material recovery system
EP0146732B1 (en) * 1983-11-08 1988-02-03 Holzer, Walter, Senator h.c. Dr.h.c.Ing. Process and apparatus for separating, for example, copper from a liquid electrolyte introduced into a pluricellular electrolyser
US5720813A (en) 1995-06-07 1998-02-24 Eamon P. McDonald Thin sheet handling system
CN102321908A (en) * 2011-09-02 2012-01-18 广州市天承化工有限公司 Recycling and regenerating process method and metal copper recovery system of acid chloride etching solution

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018592A1 (en) * 1979-04-30 1980-11-12 Siemens Aktiengesellschaft Process for the regeneration of ammoniacal etching solutions for etching metallic copper
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
DE3422276A1 (en) * 1984-06-15 1985-12-19 Walter Holzer Apparatus and procedure for etching printed circuit boards
DE3936363A1 (en) * 1989-11-02 1991-05-08 Hoellmueller Maschbau H Etching unit esp. for printed copper circuit boards - in which used rinsing water is distilled to recover pure water and ammoniacal etchant to which ammonia is added prior to recycling

Also Published As

Publication number Publication date
GB1376785A (en) 1974-12-11
US3806393A (en) 1974-04-23
FR2128796A1 (en) 1972-10-20
IT952925B (en) 1973-07-30
BE780292A (en) 1972-07-03
FR2128796B1 (en) 1976-08-06
CA969843A (en) 1975-06-24
NL7202652A (en) 1972-09-12
JPS5549154B1 (en) 1980-12-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee