Process Analytics for Semiconductor Manufacturing

Semiconductor manufacturing depends on tight control of ultra-pure water, chemical delivery systems, and rinse processes. Liquid analytics play a critical role in maintaining yield, preventing contamination, and protecting high-value wafers. M4 Knick provides digital measurement systems designed for low conductivity, high purity, and fully automated environments.

Process Analytics for Semiconductor Manufacturing​

Semiconductor manufacturing relies on precise control of ultra-pure water, chemical delivery, and rinsing. Liquid analytics are essential for maintaining yield, preventing contamination, and protecting wafers. M4 Knick delivers digital measurement systems built for high purity and automated environments.

Overcoming Semiconductor Measurement Challenges

Maintaining UPW Integrity

Semiconductor processes require ultra-pure water with extremely low conductivity. Even minor contamination can impact wafer quality. Measuring in these conditions requires sensors that can perform accurately at very low ionic strength without contamination.
M4 Knick provides conductivity sensors designed for low-level measurements with high stability. Memosens technology ensures a sealed, non-contact connection that eliminates moisture ingress and signal interference. This supports reliable monitoring of UPW loops.
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Preventing Chemical Contamination

Etching, cleaning, and polishing steps involve aggressive chemicals, where small deviations in pH or conductivity can cause process defects. Traditional sensors can drift or fail under harsh conditions, creating risk.
Memosens sensors provide chemical resistance and stable performance, with digital signals that eliminate noise, enable diagnostics, and support predictive maintenance to reduce downtime.
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Supporting Automation and Consistency

Semiconductor facilities are highly automated with strict process thresholds. Manual calibration and inconsistent measurement practices introduce variability that conflicts with process control strategies.
We provide automated calibration and sensor handling systems that integrate directly into process lines. This ensures consistent measurement performance and supports repeatable process control.
AUTO CLEANING & CAL OPTIONS

Equipment Designed for Semiconductor Requirements

Lab & Process Measurement Solutions

Semiconductor manufacturing requires alignment between lab validation and inline process measurement. Data must be consistent, traceable, and compliant with internal quality standards.

Memosens technology allows sensors to be calibrated in the lab under controlled conditions and then deployed directly into the process. Standardizing measurement technology across lab and process environments simplifies training, reduces errors, and improves overall efficiency.

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Calibration traceability with stored sensor data

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Simplified training and reduced operator error

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Standardization of your measurement technologies in the lab and the field

Application Examples

Scrubbers: pH and Environmental Compliance

pH measurements in scrubber systems are impactful to the environment of the area, the safety of the workforce, and the process itself.
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Wafer Polishing in Semiconductor Manufacturing

Monitoring pH & Conductivity in Wafer Polishing

Maintaining stable pH and conductivity values is critical in the semiconductor industry, particularly in wafer polishing.
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Semiconductor chemical clarifiers.

pH Monitoring in Semiconductor Chemical Clarifiers

Monitoring pH in the influent, clarification, and effluent stages of water treatment is crucial to verifying that impurities are sufficiently removed.
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Resistivity and Conductivity Monitoring in Ultra Pure Water

Reliable resistivity and conductivity measurements ensure product quality specifications are met and prevents damage to critical process equipment.
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Ultrapure Water pH Challenges Resolved

Accurately measuring minute changes in UPW pH is critical to ensuring system integrity, product quality, and regulatory compliance.
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Semiconductor Industry