Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Depositing predominantly single metal or alloy coating on...
Patent
1991-06-18
1992-08-25
Niebling, John
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Depositing predominantly single metal or alloy coating on...
427 98, 427 96, 427142, 205115, C25D 502
Patent
active
051416026
ABSTRACT:
An apparatus and method for plating metal on a conductor and/or across gaps on insulating substrates is described incorporating two probes, a probe positioner, first circuitry for applying alternating-current electrical power wherein the magnitude of the voltage is controlled as a function of time, and second circuitry for applying alternating-current electrical power wherein the magnitude of the current is controlled as a function of time. The invention overcomes the problem of providing an automatic apparatus for reliably repairing defective wiring or completing seeded sections of wiring having a wide range of initial thermal and electrical characteristics.
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patent: 4994154 (1991-02-01), Chen et al.
Chen Chengjun J.
Kaufman Richard I.
Partridge Julian P.
International Business Machines - Corporation
Mayekar Kishor
Niebling John
Trepp Robert M.
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