Abstract: In accordance with the invention, rather than embedding them collectively in potting compound, wire to pin connections on a connector block are separately coated with protective gel for resisting corrosion. The coating can be effected with high volume gel dispensing equipment in shop environments and by manual gel dispensing in the field, providing significant advantages rework and repair in the field.

Abstract: A pressure-sensitive, flame-retardant adhesive is disclosed comprising a composition fabricated with the polymerization of acrylic esters, dibromostyrene, and vinyl phosphonic acid, with or without acrylic acid, mixed with dispersions of antimony trioxide. The adhesive composition preferably is an emulsion polymer fabricated with dibromostyrene, 2-ethylhexyl acrylate, n-butyl acrylate, and vinyl phosphonic acid, mixed with Sb.sub.2 O.sub.3 in an approximate ratio of 100 parts polymer per about 8-12 parts Sb.sub.2 O.sub.3. Preferred polymers are those containing at least about 11.6% to 15.6% bromine and from 0.25 to 2.5% phosphorous. The adhesive is particularly advantageous in fabricating optical circuit devices.

Abstract: A flexible energy-carrying circuit device has reduced flame retardancy while maintaining desired levels of adhesion between the energy-carrying filaments and the substrate with use of a flame-retardant pressure-sensitive adhesive comprised of a polymer of one or more acrylic esters with bromine and phosphorous compounded into the polymer to provide an adhesive having inherent flame retardancy. Small quantities of antimony trioxide may be dispersed in the adhesive to enhance flame retardancy.