Conductive nickel spheres add a new dimension
A
Hart Coating Technology product story
Edited by the Engineeringtalk editorial team
May 26, 2004
The Novamet range of conductive nickel spheres is now available in five different sizes grades.
For over 20 five years Novamet Specialty Products Corp has been manufacturing high-quality particulate materials for incorporation into electrically conductive composite products, such as paint coatings, elastomeric gaskets, inks and adhesives.
A programme of continuous development based on the needs of key, high-technology industries has resulted in the regular introduction of additional novel products, bespoke-tailored for highly demanding new applications.
The Novamet range of conductive nickel spheres (CNS) is typical in that it has been progressively refined and enlarged so that now - with the introduction of a new -5um product - there are five different sizes grades available: CNS -400 mesh (37um), CNS -20um, CNS -20 +10um, CNS -10um and CNS -5um.
One of the key factors defining the reliable performance of CNS is the close control of particle size distribution that Novamet consistently achieve in regular production.
This enables CNS to be used in z-plane conductivity applications where particle size control is absolutely critical.
Also, CNS can be used for partial substitution of silver in conductive inks, resulting in very significant cost reductions.
Furthermore, the -5 and -10um grades are suitable for gold plating to yield a product with extremely useful properties in the microelectronics market.
This unique range of materials is distributed in the UK, Belgium, Denmark, Finland, Holland and Ireland by Hart Coating Technology from its base in the West Midlands, UK.
Dr Tony Hart, of Hart Coating Technology, feels that the availability of conductive nickel spheres with their tight, closely controlled size specifications will create exciting new opportunities.
"By providing a combination of properties that satisfies the needs of many industry sectors these unique, high specification products will open up a whole raft of additional applications in important and growing areas of electronics technology", he comments.
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