GB1332307A - Electroless plating solutions - Google Patents

Electroless plating solutions

Info

Publication number
GB1332307A
GB1332307A GB1332307DA GB1332307A GB 1332307 A GB1332307 A GB 1332307A GB 1332307D A GB1332307D A GB 1332307DA GB 1332307 A GB1332307 A GB 1332307A
Authority
GB
United Kingdom
Prior art keywords
phlonoglucinal
digol
formaldehyde
naoh
derivatives
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
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co 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
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of GB1332307A publication Critical patent/GB1332307A/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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/38—Coating with copper
    • C23C18/40—Coating with copper using reducing agents

Landscapes

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

Abstract

1332307 Electroless deposition of copper MARCONI CO Ltd 15 Dec 1970 [17 Jan 1970] 2377/70 Heading C7F An electroless Cu plating solution giving a bright deposit contains one or more ethers of the formula HO - (CH 2 ) n - O - (CH 2 ) m - OH or polyhydric phenols or derivatives of these one of the derivatives may be the condensation polymers of a polyhydric phenol with an aldehyde e.g. condensation between phlonoglucinal and formaldehyde in the presence of NaOH. The preferred ether is diethylene glycol or "digol" and the phenol may be phlonoglucinal. Preferably 10-300 ccs/1 of "digol" or 1-20 g/l phlonoglucinal are added to a CuSO 4 - formaldehyde - Rochelle salt - NaOH - triethanulamine solution. Stabilizers e.g. iodates, bromates, chlorates, arsenates or phosphates may also be added.
GB1332307D 1970-01-17 1970-01-17 Electroless plating solutions Expired GB1332307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB237770 1970-01-17

Publications (1)

Publication Number Publication Date
GB1332307A true GB1332307A (en) 1973-10-03

Family

ID=9738482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1332307D Expired GB1332307A (en) 1970-01-17 1970-01-17 Electroless plating solutions

Country Status (1)

Country Link
GB (1) GB1332307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720404A (en) * 1984-02-04 1988-01-19 Josif Culjkovic Aqueous alkaline bath for the chemical deposition of copper, nickel, cobalt and their alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720404A (en) * 1984-02-04 1988-01-19 Josif Culjkovic Aqueous alkaline bath for the chemical deposition of copper, nickel, cobalt and their alloys

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee