GB2283983B - Process for the accelerated etching and refining of metals in ammoniacal etching systems - Google Patents

Process for the accelerated etching and refining of metals in ammoniacal etching systems

Info

Publication number
GB2283983B
GB2283983B GB9422669A GB9422669A GB2283983B GB 2283983 B GB2283983 B GB 2283983B GB 9422669 A GB9422669 A GB 9422669A GB 9422669 A GB9422669 A GB 9422669A GB 2283983 B GB2283983 B GB 2283983B
Authority
GB
United Kingdom
Prior art keywords
etching
refining
metals
ammoniacal
accelerated
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 - Fee Related
Application number
GB9422669A
Other versions
GB9422669D0 (en
GB2283983A (en
Inventor
Andreas Dipl Ing Linhard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELOCHEM AETZTECHNIK GmbH
Elo Chem Atztechnik GmbH
Original Assignee
ELOCHEM AETZTECHNIK GmbH
Elo Chem Atztechnik GmbH
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 by ELOCHEM AETZTECHNIK GmbH, Elo Chem Atztechnik GmbH filed Critical ELOCHEM AETZTECHNIK GmbH
Publication of GB9422669D0 publication Critical patent/GB9422669D0/en
Publication of GB2283983A publication Critical patent/GB2283983A/en
Application granted granted Critical
Publication of GB2283983B publication Critical patent/GB2283983B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Electrolytic Production Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
GB9422669A 1993-11-18 1994-11-10 Process for the accelerated etching and refining of metals in ammoniacal etching systems Expired - Fee Related GB2283983B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4339320A DE4339320A1 (en) 1993-11-18 1993-11-18 Process for accelerated etching and deposition of metals in ammoniacal etching systems

Publications (3)

Publication Number Publication Date
GB9422669D0 GB9422669D0 (en) 1995-01-04
GB2283983A GB2283983A (en) 1995-05-24
GB2283983B true GB2283983B (en) 1997-07-02

Family

ID=6502857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9422669A Expired - Fee Related GB2283983B (en) 1993-11-18 1994-11-10 Process for the accelerated etching and refining of metals in ammoniacal etching systems

Country Status (7)

Country Link
JP (1) JPH07197300A (en)
CN (1) CN1107902A (en)
DE (1) DE4339320A1 (en)
FR (1) FR2712607B1 (en)
GB (1) GB2283983B (en)
HK (1) HK1001095A1 (en)
IT (1) IT1276359B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110042425A (en) * 2019-04-23 2019-07-23 博罗县华盈科技有限公司 A kind of heavy process for copper of alkaline etching waste liquid for producing direct electrowinning

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783113A (en) * 1971-10-12 1974-01-01 Shipley Co Electrolytic regeneration of spent etchant
EP0448870A1 (en) * 1990-03-21 1991-10-02 Macdermid Incorporated System and process for etching with, and regenerating, alkaline ammoniacal etchant solution
WO1992001086A1 (en) * 1990-07-05 1992-01-23 Elo-Chem Ätztechnik Gmbh Etching solution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1294804A (en) * 1970-07-24 1972-11-01 Shipley Co Etchant for cupreous metals
DE2216269A1 (en) * 1972-04-05 1973-10-18 Hoellmueller Maschbau H METHOD OF ETCHING COPPER AND COPPER ALLOYS
DE3305319A1 (en) * 1983-02-16 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Electrolytic full regeneration process for an ammoniacal etching solution
DE4218843C2 (en) * 1991-11-09 1994-04-28 Hoellmueller Maschbau H Process for the regeneration of an ammoniacal etchant and device for carrying out this process
WO1993009267A1 (en) * 1991-11-09 1993-05-13 Hans Höllmüller Maschinenbau GmbH & Co. Process for regenerating an ammoniacal etching agent and device for implementing it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783113A (en) * 1971-10-12 1974-01-01 Shipley Co Electrolytic regeneration of spent etchant
EP0448870A1 (en) * 1990-03-21 1991-10-02 Macdermid Incorporated System and process for etching with, and regenerating, alkaline ammoniacal etchant solution
WO1992001086A1 (en) * 1990-07-05 1992-01-23 Elo-Chem Ätztechnik Gmbh Etching solution

Also Published As

Publication number Publication date
FR2712607B1 (en) 1997-06-20
GB9422669D0 (en) 1995-01-04
ITBO940512A1 (en) 1996-05-17
DE4339320A1 (en) 1995-05-24
GB2283983A (en) 1995-05-24
CN1107902A (en) 1995-09-06
ITBO940512A0 (en) 1994-11-17
FR2712607A1 (en) 1995-05-24
HK1001095A1 (en) 1998-05-22
JPH07197300A (en) 1995-08-01
IT1276359B1 (en) 1997-10-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981110