For the first time, SK Hynix began using high-tech material from a local manufacturer instead of shipped from Japan in the chip manufacturing process, a senior manager at a South Korean company told Reuters on Wednesday.
A SK Hynix employee said on condition of anonymity that a South Korean company was chosen to supply ultra-pure hydrogen fluoride (HF), which is used to etch silicon and chip cleaners. He refused to reveal her name. According to the source, SK Hynix began using Korean brand material this week after months of quality testing. The Reuters source said that the manufacturer of semiconductor memory has not yet completely replaced Japanese hydrogen fluoride with Korean material.
Earlier Wednesday, local media reported that SK Hynix was testing high-quality liquid hydrogen fluoride supplied by Ram Technology Co Ltd., a South Korean company. Ram Technology declined to comment.