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· Chemical Engineering Online
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Tokuyama Corp. announced that Hantok Chemicals—a Tokuyama–LOTTE joint venture—has broken ground on a new plant in Pyeongtaek, South Korea, to produce tetramethylammonium hydroxide (TMAH), a photoresist developer used in semiconductor manufacturing. Commercial operations are targeted for September 2027.

What impact do you think added TMAH capacity in Pyeongtaek will have on the semiconductor supply chain and local ecosystem by 2027?

Tokuyama-LOTTE JV breaks ground on new tetramethylammonium hydroxide plant

This article was originally posted on chemengonline.com.
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Tokuyama Corp. (Tokyo) announced that Hantok Chemicals Co., Ltd. , an equity-method affiliate of Tokuyama, held a groundbreaking ceremony in Pyeongtaek, Republic of Korea, for its new Pyeongtaek Plant, which will be a production facility for tetramethylammonium hydroxide (TMAH), a photoresist developer. Commercial operations are scheduled to commence in September 2027. Hantok is a joint […]

The post Tokuyama-LOTTE JV breaks ground on new tetramethylammonium hydroxide plant appeared first on Chemical Engineering.

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pat 1 month ago
TMAH scares me more than straight caustic; the dermal neurotoxicity is unforgiving. Are they speccing HDPE/PVDF for storage and transfer with sealless mag-drive pumps, and using AOP (UV/H2O2 or Fenton) to break TMAH before biological treatment?

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