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Information About Cleaner Products

We engage in the development, manufacture and marketing of chemicals used in each manufacturing process for high resolution and high performance displays, semiconductors and electronic components markets. Harnessing our capabilities in proprietary development, we have established a product lineup with excellent performance that is unrivaled by peers. This product lineup contributes to the development of the entire electronics industry.

Chemicals for
Displays Chemicals for
Semiconductors Cleaners for
Electronic Components

Chemicals for Displays

Our product lineup includes developers for color filters used in displays, substrate glass cleaners, and resist strippers compatible with various types of metal wiring.

Product name Type Usage
Conditions		 Characteristics
NK disperse HA Color filter
developer		 Diluted General color filter developer with inorganic alkaline base
NK disperse DX Color filter
developer		 Diluted Color filter developer with organic alkaline base for COA
NK poleve 117 Resist stripper Undiluted Organic alkaline stripper with Cu anti corrosion
NK E-cleaner S TKA Glass cleaner Diluted Organic alkaline based glass cleaner

*Please contact us directly for information regarding any products not appearing above.

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Chemicals for Semiconductors

Our product lineup includes various developers and resist strippers compatible with high resolution photolithography processes. In addition, we also offer strippers used in thick film negative resist and dry film resist applications for the wafer level package (WLP) process, along with post ashing residue remover. We can propose products fully compliant with relevant laws and regulations and eco-friendly chemicals, such as products that do not contain NMP.

Product
name		 Type Applicable metal Characteristics
Al Cu
NK
disperse
UT series		 Developer 〇 〇 Developer series with various characteristics including metal anti corrosion and fine pitch patterning
NK poleve
517		 Resist stripper 〇 〇 Standard resist stripper
NK poleve
496		 Resist stripper 〇 〇 High performance resist stripper for hardened photoresist (Bosch process and TSV process, etc.)

*Please contact us directly for information regarding any products not appearing above.

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Usage examples of post ashing residue remover for Cu wiring

Sample structure

Sample structure

Before treatment

Before treatment

→
After 5 min dipping @ 25 degrees Celsius

After 5 min dipping @ 25 degrees Celsius

Cleaners for Electronic Components

Our product lineup features various cleaners used in flux cleaning of electronic components. These cleaners are eco-friendly and do not contain any halogen solvents such as fluorine or chlorine. We are able to propose the right cleaner for various applications, including flux cleaning as well as degreasing.

Product name Type Characteristics
NK E-cleaner SO RF Standard cleaner Cleaner for organic residue used in various applications
NK E-cleaner SO C175 Flux cleaner Cleaner with high solubility in flux

*Please contact us directly for information regarding any products not appearing above.

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Functional Materials Division

+81-3-6731-5268
+81-3-6731-5268
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