FR2157766B1 - - Google Patents

Info

Publication number
FR2157766B1
FR2157766B1 FR7141022A FR7141022A FR2157766B1 FR 2157766 B1 FR2157766 B1 FR 2157766B1 FR 7141022 A FR7141022 A FR 7141022A FR 7141022 A FR7141022 A FR 7141022A FR 2157766 B1 FR2157766 B1 FR 2157766B1
Authority
FR
France
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
Application number
FR7141022A
Other languages
French (fr)
Other versions
FR2157766A1 (en
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.)
PMD CHEMICALS Ltd
Original Assignee
PMD CHEMICALS Ltd
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 GB4976371A external-priority patent/GB1406429A/en
Application filed by PMD CHEMICALS Ltd filed Critical PMD CHEMICALS Ltd
Publication of FR2157766A1 publication Critical patent/FR2157766A1/fr
Application granted granted Critical
Publication of FR2157766B1 publication Critical patent/FR2157766B1/fr
Granted 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
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/32—Alkaline compositions
    • C23F1/34—Alkaline compositions for etching copper or alloys thereof

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)
FR7141022A 1971-10-26 1971-11-16 Copper-etching ammoniacal solns - contg additives increasing solubility of copper ions Granted FR2157766A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4976371A GB1406429A (en) 1971-10-26 1971-10-26 Etchants for copper and copper alloys

Publications (2)

Publication Number Publication Date
FR2157766A1 FR2157766A1 (en) 1973-06-08
FR2157766B1 true FR2157766B1 (enrdf_load_html_response) 1974-08-23

Family

ID=10453459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7141022A Granted FR2157766A1 (en) 1971-10-26 1971-11-16 Copper-etching ammoniacal solns - contg additives increasing solubility of copper ions

Country Status (3)

Country Link
DE (1) DE2252327A1 (enrdf_load_html_response)
FR (1) FR2157766A1 (enrdf_load_html_response)
IT (1) IT969953B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ192220A (en) * 1978-11-30 1982-12-21 Ian Ballantyne Schafer Applying a protective coating on metal surface without removing the oxide layer on metal surface
US5431776A (en) * 1993-09-08 1995-07-11 Phibro-Tech, Inc. Copper etchant solution additives

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH484295A (de) * 1965-10-28 1970-01-15 Borg Holding Ag Verfahren zum Entfernen kupferhaltiger Beläge von Stahloberflächen

Also Published As

Publication number Publication date
IT969953B (it) 1974-04-10
DE2252327A1 (de) 1973-06-20
FR2157766A1 (en) 1973-06-08

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Legal Events

Date Code Title Description
ST Notification of lapse