Semiconductors and Electronics

It all starts at the source. The consistency and purity of your influent or raw water greatly affects the quality of water used throughout the semiconductor production process. With strict standards and guidelines to adhere to, it is imperative that manufacturing plants have the proper water testing systems, equipment, and technology in place from the beginning, to meet regulations and production time.

By utilizing accurate instrumentation with real-time analysis to monitor changes to incoming water quality, filter effectiveness and microbiological activity, you can stay at the forefront of potential challenges and establish a reliable system that helps to minimize costs.

Suggested parameters to monitor:

• Conductivity/Total Dissolved Solids (TDS)

• Turbidity

• pH

• Hardness

• Chlorine

• Total Organic Carbon (TOC)

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During the production of microchips, the first step is to create a substrate of monocrystalline silicon which is then used to create discs or wafers. Whether rinsing or positioning the individual components on a disc or wafer, the key factor in each stage of production is purity.

All processes need to be performed precisely without any impurities present. Airborne particles and rinsing agents need to be strictly monitored in clean rooms with the rinsing agents being as pure as possible. Guaranteeing the quality of the Ultrapure Water requires the use of highly sensitive water analyses in as low concentrations as possible.

Suggested parameters to monitor:

• Ultrapure Water Conductivity Combined with Hach Conductivity Certification System (Purecal)

• Ultra-low Turbidity

• Ultra-low Chlorine

• Silica

• Sodium

• Dissolved Oxygen (DO)

• Dissolved Hydrogen

• Dissolved Carbon Dioxide

• ATP

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The demands to minimize environmental impact combined with the necessity of clean water sources are posing many limitations for current and future facilities. Effluent management is a journey that evolves from laboratory measurements to automatic online process control and finally to smart optimization systems.

From chemical neutralization, to sampling and sludge treatment, prominent and effective monitoring can help reduce waste and treatment operation costs. Act in real time to fluctuating parameters while maximizing efficiency and minimizing violations at the systemic level with a continuous, reliable, and accurate water analysis system implementation.

Suggested parameters to monitor:

• Turbidity

• Suspended Solids

• pH

• Fluoride

• Aluminum

• Phosphate

• Copper

• Iron

• Total Organic Carbon (TOC)

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Control of high-volume manufacturing processes can be challenging due to excessive volumes of process data, tools, and monitoring systems. Avoiding abnormal processing conditions, breakdowns, and human error is crucial to optimizing quality control. When you combine your QA/QC lab check with real-time process measurements, you are ensuring the process equipment remains validated and within a tolerance window.

Understanding the methodologies available to your specific testing needs will enable you to make the right decisions regarding your plant and final product. Take out the guesswork.

Suggested parameters to monitor:

• Aluminum

• Calcium

• Chloride

• Color

• Copper

• Fluoride

• Hardness/Alkalinity

• Iron

• pH

• Phosphate

• Silica

• Sodium

• Total Organic Carbon (TOC)

• Turbidity

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Reducing environmental impact is a key reason to optimize water reuse. Water reuse, including reclaimed and recycled water, is one method facilities can utilize to enhance sustainability practices and safeguard water quality standards by reducing the plant’s dependency on external water sources.

With water scarcity as a serious concern worldwide, there is an emergent need to address the impact of the production process’ water consumption and consider ways in which we can optimize water reuse in the future while still ensuring quality products.

Recovering and reusing wastewater from a manufacturing process will require some form of treatment—basic or rigorous. By monitoring for parameters and compounds such as pH, TOC, BOD, COD and TSS, from start to finish, treatment operators will be equipped to make better informed decisions and have the knowledge they need to continually assess the water quality and advance the efficiency of the reuse treatment process.

Suggested parameters to monitor:

• Ultrapure Water Conductivity

• Ultrapure Water pH

• Ultra-low Turbidity

• Ultra-low Chlorine

• Silica

• ATP

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Monitoring is critical. Improper feedwater, impurities, condenser tube failure and excessive air are just a few of the pitfalls/hazards that can lead to system fouling, malfunctions, lengthy repairs and expensive unexpected costs.

With timely and accurate measurement, you can quickly identify issues (corrosion, iron transport, fouling, etc.), that could impair production and shorten the life of your equipment. Protect against microbial growth inside cooling towers, corrosion to piping, condensers and dryers over time, and potential leakage in heat exchangers by utilizing continuous, accurate monitoring and analysis tools.

Suggested parameters to monitor:

• Conductivity/Total Dissolved Solids

• Silica

• pH

• Dissolved Oxygen (DO)

• Free & Total Chlorine

• Total Organic Carbon (TOC)

• Total Hardness

• Ammonia

• Sodium

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