Laser induced selective electroless plating

Details Laser induced selective electroless plating Laser induced selective electroless plating

1986-01-17

1987-07-21

Smith, John D.

Coating processes

Electrical product produced

Welding electrode

427 98, 427306, 4274431, 4274342, C23C 1828

Patent

active

046817743

ABSTRACT:
A method for maskless deposition of metals onto a workpiece by applying a sensitizing solution to a workpiece, directing a laser beam onto the sensitized workpiece surface to flash evaporate sensitizer from the workpiece in areas which are not to be plated, moving the workpiece or beam to describe a pattern, and thereafter contacting the thus-patterned sensitized workpiece with an electroless plating solution to deposit a layer of metal in those areas from which the sensitizer is not flashed off.

REFERENCES:
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patent: 3935117 (1976-01-01), Suzuki et al.
patent: 3954570 (1976-05-01), Shirk
patent: 3993802 (1976-11-01), Polichette et al.
patent: 4121007 (1978-10-01), Kobayashi
patent: 4239789 (1980-12-01), Blum et al.
patent: 4239813 (1980-12-01), Murakami et al.
patent: 4243746 (1981-01-01), Ueda
patent: 4349583 (1982-09-01), Kulynych et al.
patent: 4388517 (1983-06-01), Schultz
patent: 4413020 (1983-11-01), McKee
patent: 4615907 (1986-10-01), Boeke

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