FR2167327B3 - - Google Patents
Info
- Publication number
- FR2167327B3 FR2167327B3 FR7201049A FR7201049A FR2167327B3 FR 2167327 B3 FR2167327 B3 FR 2167327B3 FR 7201049 A FR7201049 A FR 7201049A FR 7201049 A FR7201049 A FR 7201049A FR 2167327 B3 FR2167327 B3 FR 2167327B3
- 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
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/067—Etchants
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7201049A FR2167327A1 (en) | 1972-01-13 | 1972-01-13 | Copper - etching persulphate soln - stabilised with organic cpds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7201049A FR2167327A1 (en) | 1972-01-13 | 1972-01-13 | Copper - etching persulphate soln - stabilised with organic cpds |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2167327A1 FR2167327A1 (en) | 1973-08-24 |
FR2167327B3 true FR2167327B3 (enrdf_load_stackoverflow) | 1974-12-20 |
Family
ID=9091827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7201049A Granted FR2167327A1 (en) | 1972-01-13 | 1972-01-13 | Copper - etching persulphate soln - stabilised with organic cpds |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2167327A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6294071B1 (en) | 2000-01-07 | 2001-09-25 | Huntsman Petrochemical Corporation | Methods of forming copper solutions |
-
1972
- 1972-01-13 FR FR7201049A patent/FR2167327A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2167327A1 (en) | 1973-08-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |