https://www.onestopndt.com/ndt-news/dgist-screw-lens-ultrasonic-transducer-semiconductor-inspection 2026-11-04T03:12:00.000Z OnestopNDT en 2026-11-04T03:12:00.000Z DGIST Develops Screw-Lens Ultrasonic Transducer for High-Resolution Semiconductor Inspection https://assets.onestopndt.com/p/uploads/press/detail/dgist-screw-lens-ultrasonic-transducer-semiconductor-inspection-20261104031213-Zbi3WTIn.png