PSK is showing strong performance. This is attributed to the possibility of supplying equipment to clients after partially winning the final patent lawsuit against Lam Research.
As of 1:29 PM on the 17th, PSK is trading at 33,050 KRW, up 5.93% compared to the previous day.
According to industry sources, in the recent Supreme Court final trial of the patent lawsuit between PSK and Lam Research, PSK partially won. PSK won 2 cases and lost 1 case.
PSK succeeded in developing edge clean (bevel etcher) equipment through years of R&D in 2021. Lam Research began legal actions to block competitors from entering the bevel etcher market, leading to six lawsuits.
The bevel etcher is equipment used to remove unstable metal and non-metal films formed on the wafer edges (bevel). The bevel etcher market is known to be worth between 300 billion and 500 billion KRW. Before PSK developed bevel etcher equipment, Lam Research monopolized the bevel etcher market.
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