Process for electro-magnetic interference shielding

Details Process for electro-magnetic interference shielding Process for electro-magnetic interference shielding

1983-12-19

1985-12-03

Smith, John D.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 427306, 427307, 4274431, C23C 302

Patent

active

045565872

ABSTRACT:
A process for metal plating plastic or elastomeric materials which produces a coating of high conductivity which does not reduce over time is disclosed in this application to provide electro-magnetic interference shielding for said materials. This process uses either a particular special plating bath containing stabilizer additions with any surface preparation technique, or a certain specific surface preparation technique along with the use of a standard plating bath or the special stabilized plating bath to obtain metal coatings with the desired properties.

REFERENCES:
patent: 3983267 (1976-09-01), Norris
patent: 4201825 (1980-05-01), Ebneth
patent: 4308301 (1981-12-01), Huss
patent: 4336028 (1982-06-01), Tonibe
Pushpavanam et al., "Electroless Nickel-a Versatile Coating", Finishing Industries, vol.1, No. 6, pp. 48-52, Jun. 1977.
Hajda et al., "Comparison of Electroless Deposit for Electromagnetic Interference Shielding", Plating & Surface Finishing, pp. 42-44, Jul. 1983.
Adcock, "Electroless Plating for EMI Shielding", Plating & Surface Finishing, pp. 40, 41, Jul. 1983.
"RFI Shielding", Published by General Electric Co.
"EMI Shielding, What You Need to Know and Why", J. J. Regan, Feb., 1981.
ASTM Proposed Standard B.08.02.05, "Standard Practice for Preparation of Plastic Materials for Electroplating".
Udylite Data Sheet Entitled, "Facts about EMI".
J. E. McCaskie, C. Tsiamis, and H. Gerhardt, "Ronabond Vest for EMI/RFI Shielding", Oct. 1982.

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