Silicon Wafer Manufacturing

Lapping and polishing are processes to level uneven areas by combining a chemical (acidic or basic) slurry of micro-abrasives with mechanical force provided by polishing. Critical slurry particle size control allows for the proper surface finish.

3M has the filtration solutions to control particle size in the slurries used in the polishing process to allow wafer manufacturers to supply the industry.

During wet processing, the wafers are dipped, immersed, or sprayed with solutions. As device features continue to shrink, ensuring the purity of acids, bases, and solvents used in the manufacturing process will remain critical.

From most acids and bases to alcohols and etchants, 3M has the right filter for your chemical application.

Process cooling water is circulated to water cooled equipment. Temperature cycling, entrained air, contaminants, and poor water quality can lead to corrosion, scaling and other issues that may inhibit proper cooling and/or decrease service of water cooled equipment. Proper water treatment allows water cooled equipment to function optimally during use.

3M has the filtration and gas management solutions to control contaminant and entrained gas in your process cooling water loops to enable a more efficient and stable operation.

Manufacturing wafers require large amounts of water and chemicals, which invariably generates substantial volumes of wastewater. The many different processing steps create a variety of wastewater contaminants.

3M has filtration solutions designed to help you filter your wastewater to protect the environment and meet increasingly stringent discharge requirements.

3M™ Liqui-Cel™ Membrane Contactors provide efficient dissolved gas control in a compact design. Capable of adding gases to or removing dissolved gases and bubbles from compatible liquid streams, these gas transfer devices utilise hollow fiber membrane technology that help facilities around the world improve operating efficiency, performance and protect product quality.