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We discuss a metal deposition technique employing electroless silver plating to create hybrid CNT-Metal contact structures which can be used various applications including electromechanical probes. The main purpose of the electroless metal deposition is to enhance the electrical conduction through the contact structures. We discuss different electroless plating formulations and their effect on electrical...
Vertically aligned carbon nanotube (CNT) forests may be used as miniature springs, compliant thermal interfaces, and shock absorbers, and for these and other applications it is vital to understand how to engineer their mechanical properties. Herein is investigated how the diameter and packing density within CNT forests govern their deformation behavior, structural stiffness, and elastic energy absorption...
Finer pitch, lower height, increased working range, and lower cost are clear roadmap trends for many connector systems. The reduction of contact normal force is a key enabler, if not necessity, to keep pace with these trends. Stable gold to gold milliohm level electrical contact can be made at 0.05N normal force and with wipe at the contact interface, the contact resistance can be further reduced...
Crimping as a termination technique is well established and studied. Traditional crimps of copper based alloys have a long history of use in electrical connections and have been expanded in recent years with specific recommendations for crimping aluminum wires. With the advent of macroscale production of carbon nanotube (CNT)networks, there is an interest to determine how traditional application of...
This paper discusses a method to fabricate contact structures using carbon nanotubes (CNTs) and thin film metal deposition which can be used in applications such as electromechanical probes. We discuss the electrical resistance of CNT structures and electrical enhancement schemes using various metal deposition techniques including sputtering and electroless metal plating. Functional CNT-metal composite...
Graphite is well known and has been extensively characterized in its performance as a solid state lubricant, but has not typically been successfully implemented for low voltage/current electrical contacts. Recent advances have shown that both graphene and carbon nanotubes (CNT) exhibit novel properties and could find potential use as solid state lubricants. A comparison of various properties including...
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