Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1992-05-22
1994-03-01
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428 31, 428142, 428148, 428201, 428203, 428204, 428206, 428208, 4284233, 4284258, 428469, 4284722, B32B 710
Patent
active
052906256
ABSTRACT:
An aluminum object is manufactured by a process including chromate conversion coating of the aluminum object; sequentially applying a primer coat to the outer surface and thereafter applying a dielectric substrate basecoat; vacuum metallizing a corrosion prone metal, namely indium, on the dielectric substrate basecoat to form "islands" of the indium that are top coated with a clear resinous layer to encapsulate and insulate the islands, one from another. The indium islands are less than one thousand angstroms thick and have an average diameter of less than three thousand angstroms. The island structure is etched following the growth of the metal as it is deposited between the nucleation stage and the stage of channelization of formation of an electrically conductive film. The etchant is selected to clear channels between island structures to improve adhesion of a dielectric resinous top coat to the dielectric substrate by order of magnitude to adhesion to the islands.
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Clark John
Eisfeller Richard C.
Davidson Textron Inc.
Robinson Ellis P.
Speer Timothy M.
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