The secondary battery and semiconductor vision inspection specialist IVISIONWORKS stock hit the upper limit on the morning of the 22nd. This was influenced by the news that the company filed a patent for optical inspection technology capable of detecting minute defects in glass substrates.
As of 9:22 a.m. on that day, IVISIONWORKS stocks were trading at 1,253 won, up 29.98% (289 won) from the previous trading day. It recorded the upper limit (the top of the daily price limit) shortly after the market opened.
It seems that investment sentiment has converged on the news that IVISIONWORKS has filed a patent.
IVISIONWORKS announced that it filed a patent for optical inspection technology that can accurately detect minute defects in glass substrates before the market opened that day.
According to the company, this patent applies a multi-projection optical system for a similar 3D inspection method. It explained that this method can inspect various defects such as via holes, cracks, scratches, foreign substances, and stains in a non-destructive manner.
IVISIONWORKS has been developing this technology since 2023 and plans to actively enter the glass substrate and semiconductor inspection system market based on it.