FR1442848A - Process for preparing an etching bath, in particular for etching printed circuits as well as baths and printed circuits conforming to those obtained by the present process or similar process - Google Patents

Process for preparing an etching bath, in particular for etching printed circuits as well as baths and printed circuits conforming to those obtained by the present process or similar process

Info

Publication number
FR1442848A
FR1442848A FR26820A FR26820A FR1442848A FR 1442848 A FR1442848 A FR 1442848A FR 26820 A FR26820 A FR 26820A FR 26820 A FR26820 A FR 26820A FR 1442848 A FR1442848 A FR 1442848A
Authority
FR
France
Prior art keywords
printed circuits
etching
baths
preparing
well
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
Application number
FR26820A
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR1442848A publication Critical patent/FR1442848A/en
Expired 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
    • C23F1/16—Acidic compositions
    • C23F1/18—Acidic 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)
FR26820A 1964-08-22 1965-07-31 Process for preparing an etching bath, in particular for etching printed circuits as well as baths and printed circuits conforming to those obtained by the present process or similar process Expired FR1442848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED45263A DE1253008B (en) 1964-08-22 1964-08-22 Process for etching copper foils for the production of printed circuits

Publications (1)

Publication Number Publication Date
FR1442848A true FR1442848A (en) 1966-06-17

Family

ID=7048878

Family Applications (1)

Application Number Title Priority Date Filing Date
FR26820A Expired FR1442848A (en) 1964-08-22 1965-07-31 Process for preparing an etching bath, in particular for etching printed circuits as well as baths and printed circuits conforming to those obtained by the present process or similar process

Country Status (6)

Country Link
US (1) US3373113A (en)
BE (1) BE668423A (en)
DE (1) DE1253008B (en)
FR (1) FR1442848A (en)
GB (1) GB1063007A (en)
NL (1) NL6510928A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT997791B (en) * 1972-11-10 1975-12-30 Matsushita Electric Ind Co Ltd METHOD FOR MANUFACTURING A SELECTIVE MEMBRANE FOR IONS
US3869401A (en) * 1972-12-04 1975-03-04 Du Pont Stabilized acidic hydrogen peroxide solutions
US3864271A (en) * 1972-12-04 1975-02-04 Du Pont Stabilized acidic hydrogen peroxide solutions
JPS526853B2 (en) * 1972-12-22 1977-02-25
US3953263A (en) * 1973-11-26 1976-04-27 Hitachi, Ltd. Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid
JPS5124537A (en) * 1974-08-26 1976-02-27 Hitachi Ltd Etsuchinguyokuno saiseihoho
US4356069A (en) * 1981-03-09 1982-10-26 Ross Cunningham Stripping composition and method for preparing and using same
US4378270A (en) * 1981-10-29 1983-03-29 Learonal, Inc. Method of etching circuit boards and recovering copper from the spent etch solutions
US4401509A (en) * 1982-09-07 1983-08-30 Fmc Corporation Composition and process for printed circuit etching using a sulfuric acid solution containing hydrogen peroxide
US4497687A (en) * 1983-07-28 1985-02-05 Psi Star, Inc. Aqueous process for etching cooper and other metals
US4491500A (en) * 1984-02-17 1985-01-01 Rem Chemicals, Inc. Method for refinement of metal surfaces
JP2909743B2 (en) * 1989-03-08 1999-06-23 富山日本電気株式会社 Chemical polishing method for copper or copper alloy
GB8922504D0 (en) * 1989-10-05 1989-11-22 Interox Chemicals Ltd Hydrogen peroxide solutions
DE4026015A1 (en) * 1990-08-17 1992-02-20 Hoechst Ag METHOD FOR PRODUCING MOLDED BODIES FROM PRE-STAGES OF HIGH-TEMPERATURE OXIDERS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211400A (en) * 1938-08-10 1940-08-13 Chase Brass & Copper Co Pickling solution for copper-base alloys
US2428804A (en) * 1945-09-07 1947-10-14 Esther M Terry Copper cleaning composition
US2923608A (en) * 1956-04-13 1960-02-02 Fmc Corp Method of improving the bonding properties of steel surfaces
US2978301A (en) * 1957-01-11 1961-04-04 Fmc Corp Process and composition for the dissolution of copper
US2982625A (en) * 1957-03-22 1961-05-02 Sylvania Electric Prod Etchant and method
GB955000A (en) * 1961-04-13 1964-04-08 Marconi Co Ltd Improvements in or relating to copper etching solutions

Also Published As

Publication number Publication date
US3373113A (en) 1968-03-12
GB1063007A (en) 1967-03-22
BE668423A (en) 1965-12-16
DE1253008B (en) 1967-10-26
NL6510928A (en) 1966-02-23

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