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Thursday 3 August 2017

Showa Denko to increase prices for fluorine-based gases




Showa Denko K K (SDK) has decided to increase prices of its high-purity fluorine-based gases for electronics. Specifically, SDK will increase prices of high-purity FC-116 (C2F6) and FC-14 (CF4) gases by about \500 ($4.5) per kilogram each as from shipments on 1 September.
Hexafluoroethane (C2F6) is used mainly as a cleaning gas in the production of semiconductors to remove unwanted chemical substances that adhere to chamber walls after deposition of thin films on silicon substrates.
Meanwhile, Tetrafluoromethane (CF4) is used mainly as an etching gas in the production of semiconductors, LCD panels, GaN LEDs, and polycrystalline-silicon-based solar cells, to produce electronic circuits by creating fine ditches and holes in thin films on silicon substrates.

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