Coating Hardness
Coating hardness describes a coating’s mechanical resistance to abrasion, deformation, or penetration caused by external stress. For Contact Probes, it is an important factor because the contact tip is subjected to mechanical stress with every touchdown.
In printed circuit board testing, coating hardness influences how well the contact tip withstands wear, friction, and demanding surface conditions. Especially in the presence of solder joints, oxide layers, flux residues, or contaminants, a durable coating can help maintain stable contact quality over many test cycles.
In the Progressive Series, the increased coating hardness is an integral part of the technical design. In combination with suitable Tip styles and increased spring preload, it ensures a robust contact tip and reliable contact under challenging test conditions.
FAQ
In the presence of oxide layers, flux residues, or contaminants, the contact tip must remain mechanically robust in order to reliably reach the contact point.
Coating hardness describes how resistant a coating is to abrasion, deformation, or mechanical stress.
Contact probes are subjected to mechanical stress with every touchdown. A suitable coating hardness can help reduce wear on the contact tip.
Further terms
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