GB995386A - Pre-tinning of articles consisting of or coated with palladium - Google Patents

Pre-tinning of articles consisting of or coated with palladium

Info

Publication number
GB995386A
GB995386A GB2379762A GB2379762A GB995386A GB 995386 A GB995386 A GB 995386A GB 2379762 A GB2379762 A GB 2379762A GB 2379762 A GB2379762 A GB 2379762A GB 995386 A GB995386 A GB 995386A
Authority
GB
United Kingdom
Prior art keywords
palladium
coated
tinning
articles consisting
solution
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
GB2379762A
Inventor
Sandor Radai
Sandor Varga
Gabor Polereczky
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.)
Budavox Budapesti Hiradastechnikai Vallalat
Original Assignee
Budavox Budapesti Hiradastechnikai Vallalat
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 to DEB67513A priority Critical patent/DE1186724B/en
Application filed by Budavox Budapesti Hiradastechnikai Vallalat filed Critical Budavox Budapesti Hiradastechnikai Vallalat
Priority to GB2379762A priority patent/GB995386A/en
Publication of GB995386A publication Critical patent/GB995386A/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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/08—Tin or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection 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
    • B23K35/3612—Selection 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 organic compounds as principal constituents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)

Abstract

Articles consisting of or coated with palladium are pretinned by first wetting the surface with a halogen free alkaline solution of an organic reducing agent having a pH of 9-10 and then dipping into a metal melt such as an alloy of 60% Sn 40% Pb at a temperature of 220-450 DEG C. The alkaline alcoholic solution may be a solution of pyrogallol and ammonia in ethanol.
GB2379762A 1962-06-01 1962-06-20 Pre-tinning of articles consisting of or coated with palladium Expired GB995386A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEB67513A DE1186724B (en) 1962-06-01 1962-06-01 Solution for the treatment of objects made of palladium or coated with palladium before hot-dip tinning
GB2379762A GB995386A (en) 1962-06-20 1962-06-20 Pre-tinning of articles consisting of or coated with palladium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2379762A GB995386A (en) 1962-06-20 1962-06-20 Pre-tinning of articles consisting of or coated with palladium

Publications (1)

Publication Number Publication Date
GB995386A true GB995386A (en) 1965-06-16

Family

ID=10201474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2379762A Expired GB995386A (en) 1962-06-01 1962-06-20 Pre-tinning of articles consisting of or coated with palladium

Country Status (1)

Country Link
GB (1) GB995386A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997035041A1 (en) * 1996-03-20 1997-09-25 N.V. Union Miniere S.A. A fluxless hot dip galvanizing process
CN110480206A (en) * 2019-08-23 2019-11-22 重庆集诚汽车电子有限责任公司 A kind of novel welding material and its application

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997035041A1 (en) * 1996-03-20 1997-09-25 N.V. Union Miniere S.A. A fluxless hot dip galvanizing process
CN110480206A (en) * 2019-08-23 2019-11-22 重庆集诚汽车电子有限责任公司 A kind of novel welding material and its application
CN110480206B (en) * 2019-08-23 2021-09-28 重庆集诚汽车电子有限责任公司 Welding material and application thereof

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