GB2109820B - Metal stripping composition - Google Patents

Metal stripping composition

Info

Publication number
GB2109820B
GB2109820B GB08233548A GB8233548A GB2109820B GB 2109820 B GB2109820 B GB 2109820B GB 08233548 A GB08233548 A GB 08233548A GB 8233548 A GB8233548 A GB 8233548A GB 2109820 B GB2109820 B GB 2109820B
Authority
GB
United Kingdom
Prior art keywords
stripping composition
metal stripping
metal
composition
stripping
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
GB08233548A
Other versions
GB2109820A (en
Inventor
Gerardus Antonius Somers
Jan Jaques Marie Hendriks
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.)
Occidental Chemical Corp
Original Assignee
Occidental Chemical Corp
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 Occidental Chemical Corp filed Critical Occidental Chemical Corp
Priority to GB08233548A priority Critical patent/GB2109820B/en
Publication of GB2109820A publication Critical patent/GB2109820A/en
Application granted granted Critical
Publication of GB2109820B publication Critical patent/GB2109820B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F1/00Etching metallic material by chemical means
    • C23F1/44Compositions for etching metallic material from a metallic material substrate of different composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3603Halide salts
    • B23K35/3605Fluorides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/02Apparatus 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
    • H05K3/06Apparatus 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
    • H05K3/067Etchants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Manufacturing Of Printed Wiring (AREA)
GB08233548A 1981-11-24 1982-11-24 Metal stripping composition Expired GB2109820B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08233548A GB2109820B (en) 1981-11-24 1982-11-24 Metal stripping composition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8135327 1981-11-24
GB08233548A GB2109820B (en) 1981-11-24 1982-11-24 Metal stripping composition

Publications (2)

Publication Number Publication Date
GB2109820A GB2109820A (en) 1983-06-08
GB2109820B true GB2109820B (en) 1986-04-09

Family

ID=26281357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08233548A Expired GB2109820B (en) 1981-11-24 1982-11-24 Metal stripping composition

Country Status (1)

Country Link
GB (1) GB2109820B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536322A (en) * 1983-10-28 1985-08-20 Union Carbide Corporation Fluorescent corrosive fluoride solution
AT380493B (en) * 1984-06-18 1986-05-26 Kapsch Ag AGENTS FOR CHEMICAL SURFACE TREATMENT OF METALS
CN100592939C (en) * 2006-01-20 2010-03-03 巫协森 Recovery method of discarded printed circuit boards
CN117587246B (en) * 2023-11-30 2024-05-14 横峰县凯怡实业有限公司 Method for recovering platinum from waste platinum tin alumina catalyst

Also Published As

Publication number Publication date
GB2109820A (en) 1983-06-08

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951124