Medical and consumables microfluidic chip coating: silicone sealant case study

Background

An equipment integrator / manufacturer in Medical and consumables needed to coating on a microfluidic chip using silicone sealant.

Process challenge

Bead width and height must stay stable with no edge creep.

Solution

We recommended Screw Valve + Sensor, with replacing time-pressure control with a positive-displacement screw valve to meter by volume.

Result

• Volume drift held within ±3% over an 8-hour run.
• Shot volume 4 mL with deviation within ±2%.
• Cycle time 1.0 s per dot with no stringing or dripping during continuous running.

Project facts

• Industry: Medical and consumables
• Workpiece: microfluidic chip
• Fluid: silicone sealant
• Process: coating
• Recommended lines: Screw Valve, Sensor

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