IT952925B - PROCEDURE AND RELATED PLANT FOR CORROSION ATTACK OF RA ME AND ITS ALLOYS - Google Patents

PROCEDURE AND RELATED PLANT FOR CORROSION ATTACK OF RA ME AND ITS ALLOYS

Info

Publication number
IT952925B
IT952925B IT67722/72A IT6772272A IT952925B IT 952925 B IT952925 B IT 952925B IT 67722/72 A IT67722/72 A IT 67722/72A IT 6772272 A IT6772272 A IT 6772272A IT 952925 B IT952925 B IT 952925B
Authority
IT
Italy
Prior art keywords
alloys
procedure
related plant
corrosion attack
attack
Prior art date
Application number
IT67722/72A
Other languages
Italian (it)
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 IT952925B publication Critical patent/IT952925B/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)
IT67722/72A 1971-03-08 1972-03-08 PROCEDURE AND RELATED PLANT FOR CORROSION ATTACK OF RA ME AND ITS ALLOYS IT952925B (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
IT952925B true IT952925B (en) 1973-07-30

Family

ID=27172613

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67722/72A IT952925B (en) 1971-03-08 1972-03-08 PROCEDURE AND RELATED PLANT FOR CORROSION ATTACK OF RA ME AND ITS ALLOYS

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)

Families Citing this family (10)

* 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
DE2917597A1 (en) * 1979-04-30 1980-11-13 Siemens Ag METHOD FOR REGENERATING AMMONIACAL ETCH SOLUTIONS FOR ETCHING METALLIC COPPER
DE3308849A1 (en) * 1983-03-12 1984-09-13 Didier Werke Ag Method of processing metal-containing etching solutions and recovering the metal
DE3422276A1 (en) * 1984-06-15 1985-12-19 Walter Holzer Apparatus and procedure for etching printed circuit boards
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
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
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
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

Also Published As

Publication number Publication date
US3806393A (en) 1974-04-23
JPS5549154B1 (en) 1980-12-10
FR2128796B1 (en) 1976-08-06
BE780292A (en) 1972-07-03
CA969843A (en) 1975-06-24
NL7202652A (en) 1972-09-12
FR2128796A1 (en) 1972-10-20
AT313671B (en) 1974-02-25
GB1376785A (en) 1974-12-11

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