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US 12,460,301 B2Granted
Catalyst solution for electroless plating devoid of an amine
AssigneeThe Boeing Company
InventorsKatharine Anne Bartlett, Scott R. Johnston, Zachlyn Nell Farwig, Joseph A. Norris, Jr.
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Abstract
A catalyst solution for electroless plating is provided. The catalyst solution is printable and devoid of an amine. The catalyst solution comprises a catalytic metal salt, a solvent, and an epoxy.
Claims23
A method of directly writing a desired pattern of metal on a surface of a substrate, the method comprising:
- selectively applying a printable catalyst solution devoid of an amine to a surface of a substrate in the desired pattern, the catalyst solution comprising a catalytic metal salt, a solvent, and an epoxy;
- drying the catalyst solution in the desired pattern on the surface of the substrate;
- and
- electroless plating the substrate in a metal aqueous solution,
- wherein the solvent comprises at least one of tetrahydrofuran, and toluene, and
- wherein the catalytic metal salt comprises one of a chloride, a sulfate, and a nitrate.
3 more elements
A method of directly writing a desired pattern of metal on a surface of a substrate, the method comprising:
- selectively applying a printable catalyst solution devoid of an amine to a surface of a substrate in the desired pattern, the catalyst solution comprising a catalytic metal salt, a solvent, and an epoxy;
- drying the catalyst solution in the desired pattern on the surface of the substrate;
- and
- electroless plating the substrate in a metal aqueous solution,
- wherein the solvent comprises at least one of tetrahydrofuran, and toluene,
- wherein the catalytic metal salt comprises one of a chloride, a sulfate, and a nitrate, and
- wherein the metal aqueous solution comprises at least one of nickel, cobalt, iron, gold, silver, palladium, platinum, rhodium, and ruthenium.
4 more elements
A method of directly writing a desired pattern of metal on a surface of a substrate, the method comprising:
- selectively applying a printable catalyst solution devoid of an amine to a surface of a substrate in the desired pattern, the catalyst solution comprising a catalytic metal salt, a solvent, and an epoxy;
- drying the catalyst solution in the desired pattern on the surface of the substrate;
- and
- electroless plating the substrate in a metal aqueous solution,
- wherein the solvent comprises at least one of tetrahydrofuran, and toluene,
- wherein the catalytic metal salt comprises one of a chloride, a sulfate, and a nitrate, and
- wherein the catalytic metal salt comprises at least one of platinum, rhodium, iridium, osmium, ruthenium, copper, nickel, and silver.
4 more elements
Dependencies are inferred from the claim text.