DCAT liquid surface and interfacial tension

DataPhysics Instruments · Engineering measurement and characterization

Purpose: Compare liquid surface/interfacial tension in underfill void/delamination investigations, alongside viscosity and actual-gap filling observations.
Technical approach: Force-based measurements use a Wilhelmy plate or Du Noüy ring and corresponding software under agreed conditions.
Scope of use: Confirm formulation, temperature, probe and method. Dynamic-contact-angle and environmental capabilities depend on model/modules/accessories.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
Tension alone guarantees neither complete filling nor cured adhesion/reliability. Check method suitability for filled/reacting formulations; other liquids or molten-solder conditions do not transfer automatically.
What to prepare
BLNKK suggests preparing formulation/batch, storage/use time, temperature and cleaning details. Correlate viscosity, gap/surface materials and filling images using matched controls.
Confirm with the supplier
Confirm hardware/software, plate/ring selection, cleaning and calibration/corrections. Agree on timing, temperature, repeatability and formulation limits; correlate with actual filling, interface and cure tests.
Public evidence: DCAT/DCATS pages describe static, time- and temperature-dependent tension methods, not package-specific underfill qualification.

Supporting references

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