# Nextin wins $18.8 million SK hynix wafer inspection order *The Korean toolmaker booked a 25.44 billion won deal equal to 38% of its annual sales, expanding domestic optical metrology inside advanced memory fabs.* **Published:** October 6, 2026 **By:** Ji-woo Han **Section:** Semiconductors & AI Hardware — South Korea **Format:** Breaking **Confidence:** high **Source:** https://eastasiabrief.com/semiconductors/nextin-wins-18-8-million-sk-hynix-wafer-inspection-564 **Publisher:** East Asia Brief (https://eastasiabrief.com/) --- ## What to know - Nextin secured a 25.44 billion won ($18.8 million) wafer inspection tool contract from SK hynix on Oct. 6, 2026 - The order equals 38.02% of Nextin's 2025 consolidated revenue of 66.91 billion won - Deliveries and final contract execution run through Nov. 25, 2027 ![A technician in protective cleanroom gear monitors wafer inspection equipment operating in a semiconductor manufacturing facility. (AI-generated image)](https://eastasiabrief.com/media/2026-10-06-f66625c3c5e2.webp) *A technician in protective cleanroom gear monitors wafer inspection equipment operating in a semiconductor manufacturing facility. (AI-generated image)* Nextin won a 25.44 billion won ($18.8 million) wafer inspection tool order from SK hynix on Oct. 6, 2026, marking its largest single domestic contract this year. The order represents 38.02% of the toolmaker's 2025 consolidated revenue of 66.91 billion won. The contract runs through Nov. 25, 2027, according to a regulatory filing submitted to the Korea Exchange. The deal carries unconditional terms with no advance payment. Nextin will build the inspection systems at its domestic facilities in South Korea before shipping the hardware to SK hynix manufacturing lines. The contract provides dedicated equipment for memory fabrication cleanrooms. Industry procurement data indicates the tools belong to Nextin's Aegis series, an optical pattern defect inspection system designed for front-end wafer processing. Optical wafer inspection systems detect microscopic circuit defects and surface contaminants during wafer fabrication. Manufacturers use these tools to catch physical anomalies before patterned silicon advances to subsequent chemical etching steps. Dark-field inspection uses scattered light to detect circuit defects smaller than the wavelength of illumination. Bright-field systems rely on direct reflected light to resolve two-dimensional circuit images on the patterned wafer. Aegis combines both illumination modes within a single platform. The machine pairs deep ultraviolet light with ultraviolet light sources to scan pattern anomalies across 300-millimeter silicon wafers without swapping tool chambers. SK hynix is preparing cleanrooms for its Yongin Semiconductor Cluster. The memory maker is also fitting out its M15X fabrication plant in Cheongju to expand high-bandwidth memory (HBM) wafer capacity. The memory maker historically sourced most of its defect inspection machinery from KLA. The California-based equipment giant holds roughly 90% of the global market for dark-field wafer inspection tools. Nextin holds between 5% and 6% of the global dark-field inspection market. The Korean supplier has positioned its hardware as a lower-cost alternative to KLA systems, offering comparable scanning speeds. The domestic win helps rebalance Nextin's commercial exposure. Sales to Chinese chipmakers like CXMT and SMIC accounted for more than 80% of the company's annual revenue during peak export control cycles. Tighter United States trade controls restricted Chinese chipmakers from buying top-tier American metrology tools. That regulatory barrier allowed Nextin to supply mature-node fabs across mainland China between 2023 and 2025. Chinese tool procurement moderated this year after memory firms completed initial tooling phases. Winning sizable volume orders from SK hynix restores domestic revenue visibility as Korean memory makers accelerate advanced dynamic random-access memory lines. The procurement also intersects with advanced memory packaging lines. SK hynix leads the merchant market for HBM3E modules, supplying stacked 12-layer memory cubes to global artificial intelligence accelerator designers. Stacking dynamic random-access memory dies vertically introduces severe thermal warpage risks. Microscopic cracks and through-silicon via misalignments can destroy an entire multi-die stack if defect detection misses faulty layers. Nextin developed Kroky, a specialized macro defect inspection system, to address packaging lines. SK hynix qualified Kroky in 2025 to inspect die warpage, edge chipping and redistribution layer flaws on stacked memory wafers. Nextin is also developing Asper and Iris tools for next-generation hybrid bonding. Those systems inspect copper-to-copper dielectric interfaces without traditional microbumps, a critical packaging transition planned for future HBM4 memory architectures. The Oct. 6 regulatory filing does not state whether the contracted tools are Aegis front-end systems or Kroky packaging tools. The document designates the deliverable solely under the general category of Wafer Inspection System. Equipment vendors face strict customer non-disclosure terms regarding tool configurations. SK hynix has not confirmed which fabrication site will take delivery of the machinery covered by the 418-day contract window. Equipment deliveries and milestone acceptance payments under the contract conclude Nov. 25, 2027. Nextin plans to deliver the first inspection units within the current operating year. ## Impact map | Event | Korea | China | Japan | Global impact | | --- | --- | --- | --- | --- | | Wafer inspection localization | Nextin secures 38% of annual revenue from SK hynix front-end and packaging lines | Domestic memory fabs face reduced Nextin allocation as capacity shifts home | Lasertec and Hitachi High-Tech see Korean memory makers diversify metrology tiers | KLA retains ~90% dark-field lead but faces domestic second-sourcing in advanced Korean fabs | | Wafer inspection localization | Nextin secures 38% of annual revenue from SK hynix front-end and packaging lines | Domestic memory fabs face reduced Nextin allocation as capacity shifts home | Lasertec and Hitachi High-Tech see Korean memory makers diversify metrology tiers | KLA retains ~90% dark-field lead but faces domestic second-sourcing in advanced Korean fabs | ## In this story - **Companies:** Nextin, SK hynix - **Tickers:** 348210.KQ, 000660.KS - **Exposed:** KLA - **Policy:** Economic Security - **Impact:** Supply Chain, Order Book, Capex ## Primary sources 1. fss.or.kr 2. datatooza.com 3. digitaltoday.co.kr 4. biztribune.co.kr 5. thelec.kr --- Cite as: East Asia Brief, "Nextin wins $18.8 million SK hynix wafer inspection order," October 6, 2026. https://eastasiabrief.com/semiconductors/nextin-wins-18-8-million-sk-hynix-wafer-inspection-564