The Journal of Industry and Technology

Industrial Analytical Instrumentation

Euro Technology

Serving industry for over 36 years
Three leading magazines for key executives,  engineers, universities,
manufacturers, laboratory technicians, scientists, and research establishments

Surface Mount Technology production equipment

High precision volumetric spray dispensing system

preeflow® eco-SPRAY technology brings exceptional levels of accuracy, repeatability and precise edge definition to micro-spray dispensing tasks. The combination of the preeflow positive displacement volumetric pump and a low-flow spray chamber guarantees high performance spraying of low to high viscosity fluids. Volumetric spraying provides a superior level of process reliability because viscosity variations in the liquid do not affect the spray output.

The eco-SPRAY from Intertronics can be used in both batch and continuous operations, and is readily integrated into automation/robotics.  Applications include dosing, coating, micro-nebulisation, lubrication and marking. The spray control allows precise volume per unit area uniform coatings, or the application of pre-defined quantities, and deals with problems associated with conventional spray dispensing, e.g. overspray or soft edges.

Cost savings ensue from spraying materials such as greases, adhesives, inks, silicones, activators/primers, coatings, bio-technology and pharmaceutical liquids, due reduced waste, controlled spray area and higher process reliability.

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Black opaque conformal coating enhancespcb security

The new Dymax Multi-Cure 9451 is a true black and opaque conformal coating from Intertronics that enhances security of electronic products by covering the printed circuit board and components, hiding them from visual inspection. This is an effective barrier to loss of confidentiality and possible copying or reverse engineering of proprietary designs, in addition to its ability to improve circuit reliability in harsh conditions.

Dymax 9451 is a UV/light and heat cure coating suitable for most circuit assemblies. It may be applied manually or in automatic spray equipment, in a single pass of up to 0.125mm thickness. Coating which finds its way into shadowed areas is cured using a secondary heat process.

For thicker coating requirements the material can be applied in multiple passes. It becomes immediately tack free after light curing, helping to avoid handling defects such as fingerprints which may be left on boards if they are handled too soon and protecting against other damage caused by stacking and arranging PCBs during processing. Dymax 9451 can be applied to a variety of substrates including glass reinforced epoxy laminates, glass and stainless steel with a good adhesion. Whilst Dymax 9451 coating has been developed to cover sensitive information, it can be reworked/removed without damage to the underlying circuitry.

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