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How Quick Dump Rinsers Improve Silicon Wet Etching Processes

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When silicon wafers in a wet etching process need rinsing, quick dump rinsers provide fast and effective rinsing of chemicals and particles. In semiconductor fabrication lines such as those of semiconductor manufacturers and research labs, silicon wafers are etched with chemicals. Once the required structures and current paths have been etched into the silicon, the chemicals have […]

How High Temperature Quartz Tanks Improve Silicon Wafer Processing

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The silicon wafer processing steps that include etching or cleaning the wafers with aggressive chemicals require tanks to hold the chemical process. Quartz tanks are impervious to the acids and bases used in wet process stations and the high temperature tanks can include heating and re-circulating. Modutek is a leader in the design and manufacture […]

How Are Isotropic and Anisotropic Processes Used to Improve Silicon Wet Etching?

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The microscopic structures produced by silicon wet etching can be created with a high degree of precision by using both isotropic and anisotropic processes. Isotropic etching is faster but may etch under masks to create rounded shapes. Anisotropic etching can be controlled more precisely and can produce straight sides with exact dimensions. In each case, […]

How Process Controls Improve Silicon Nitride Wet Etching Results

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The silicon nitride wet etching process uses a phosphoric acid solution in water to etch mask material quickly and reliably but the process is hard to control. Etching speed depends on the concentration of the solution and the bath temperature. Adding water to the solution to control the concentration is dangerous and, at the same […]

Modutek Continues to Supply and Support Customers during Challenging Times

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Businesses wishing to continue operations during a crisis need reliable suppliers to support them. The COVID-19 pandemic is challenging companies as never before and Modutek Corporation is playing its part. The company is staying open to support customers and is prioritizing critical components for essential businesses. Modutek has been in business for over 40 years […]

Modutek Supplies Components to Essential Businesses During Covid-19 Crisis

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Modutek is continuing business operations during the COVID-19 pandemic because it is a supplier of critical components to essential businesses. The parts and systems Modutek supplies in wet process semiconductor manufacturing equipment are important for many businesses including those in the infrastructure and medical industries. At the same time, to support first responders and medical […]

How Quartz Tanks Improve Wafer Manufacturing

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The aggressive chemicals used in wet process wafer manufacturing have to be contained in process tanks that can resist etching and corrosion while remaining inert. Depending on the application, a process may require heating, filtration or the regular addition of chemicals. Quartz tanks from Modutek are made from semiconductor grade flame-polished quartz and are impervious […]

Customized Table Top Chemical Process Tanks

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For small operations and specialized applications requiring semiconductor fabrication capabilities it often doesn’t make sense to construct wet processing lines that produce products at volume. Table top process tanks can allow research labs, universities and start-up companies to produce single parts or low-volume output. These organizations may need proof of concept components or prototypes for […]

Wet Processing Application Capabilities Provided by Modutek

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Modutek provides a complete line of wet processing equipment to semiconductor manufacturing plants and research facilities. The company’s wet process stations support all common cleaning and etching applications. Modutek works with customers to continuously improve wet processing performance and reduce contamination and particle counts to a minimum. Wet process applications supported by Modutek equipment include […]

Safely Controlling the Silicon Nitride Etching Process

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Silicon nitride etch removes silicon nitride from silicon wafers during the fabrication process of semiconductor components. A solution of phosphoric acid in water etches silicon nitride rapidly and consistently as long as the temperature of the solution and the concentration of phosphoric acid are kept constant. Maintaining consistent process conditions during the silicon nitride wet […]