Meister S True3D inline metrology for micro-solder and flux
Koh Young Technology · Warpage, topography and stress metrology
- Purpose
- Irregular micro-solder or flux deposits can affect subsequent bonding. This in-line 3D surface-inspection platform provides deposit and substrate measurements for process comparisons.
- Technical approach
- Moiré/structured-light imaging builds 3D surface data for solder and flux profiling, with substrate-warp compensation. Confirm the Meister S optical configuration and suitability for transparent-flux measurement.
- Scope of use
- The system targets micro-solder, flux and high-density substrate inspection in advanced packaging and Mini/Micro-LED processes. Koh Young positions Meister S as in-line SPI; carriers, surfaces and pitch require representative product validation.
- 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 limitationsOptical measurement requires surface visibility and an appropriate inspection procedure; it does not directly inspect buried interfaces. Published Z resolution does not establish equal accuracy for every material, pitch or production speed.
What to prepareBLNKK recommends preparing deposit dimensions/pitch, solder and flux types, substrate warp, carriers, line cycle time and reference/defective samples. Include existing measurement references and acceptance rules to evaluate false calls and missed defects.
Confirm with the supplierConfirm Meister S camera, optics and handling options, then validate height, volume and transparent-flux measurements. Discuss warp compensation, repeatability, export and software for process feedback without assuming S+ features are included.
- Public evidence
- The product page describes 0.1 µm Z resolution, while the 2025 application article explains solder/flux profiling and warp compensation. Resolution is not accuracy, and series-level production-qualification claims do not qualify every customer product.
Supporting references
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BLNKK organizes information from public sources. A company profile does not imply a documented solution. Applicability still needs confirmation against your samples and engineering conditions.