In a semiconductor fab, the difference between a lab tool and a production tool is measured in seconds per wafer. Atomic force microscopes (AFMs) have long been stuck on the lab side, delivering nanometer-scale precision but at a pace too slow for inline inspection. Multiscale Instruments, a Seoul-based startup founded in 2023, is betting its multihead AFM design can cross that line [Perplexity Sonar Pro Brief].
The Multihead Wedge
The company's core technology is a quartz tuning fork (QTF) based AFM, a design its founder, Professor Emeritus Je Won-ho, has researched for nearly three decades [Perplexity Sonar Pro Brief]. The key innovation is a multihead configuration, where multiple probes can measure different points on a wafer simultaneously. This is a direct attack on the throughput bottleneck of conventional single-probe systems. The goal is to move from off-line, sample-based metrology to an instrument that can be integrated directly into semiconductor process and inspection equipment for inline use [Perplexity Sonar Pro Brief]. Its first products, named Chronos and Zeus, were presented as physical-metrology and yield-improvement tools at the SPIE Advanced Lithography + Patterning conference in February 2026 [Seoul Economic Daily, February 2026].
Academic Roots and Early Traction
The company is a classic deep-tech academic spinout, built around Je Won-ho and a team of master's and PhD-level researchers from Seoul National University [WOWTALE, October 2026]. This pedigree has attracted a consortium of South Korean investors focused on technology commercialization, including Seoul National University Technology Holdings, which led an investment in October 2026 [Dealroom, October 2026]. The startup has also been selected for government-backed programs like Deep Tech TIPS and Super Gap Startup 1000+ [Dealroom, October 2026]. Traction is in the validation phase. The company has conducted sample testing with Samsung Electronics and is in technical and business discussions with SK hynix and domestic semiconductor equipment makers [Chosun Biz, August 2026]. A critical report from August 2026 noted the company was still before customer mass-production verification or a completed production proof-of-concept, though evaluations had begun [Chosun Biz, August 2026].
The Funding Path to Production
With undisclosed seed rounds in 2025 and 2026, the company's financial runway is geared toward moving from prototype to product. The investment syndicate is a who's who of South Korean tech finance, suggesting strong institutional belief in the team's technical capability.
| Date | Round | Lead Investor | Key Participants |
|---|---|---|---|
| May 2025 | Seed | Undisclosed | Korea Investment Accelerator, Bluepoint Partners, Samik Materials Ventures [Crunchbase] |
| October 2026 | Seed | Seoul National University Technology Holdings | Korea Investment Partners, ID Ventures, Korea Technology Finance Corporation [Dealroom] |
According to an August 2026 report, the company was aiming to raise a Series A of approximately 4 to 5 billion Korean won (roughly $3-3.7 million) to fund customer proof-of-concepts through the first half of 2027 [Chosun Biz, August 2026]. The timeline is clear: secure funding, prove the tool works in a pilot production environment, and then chase qualification.
The Scale-Up Hurdles
The technical breakdown is straightforward. A QTF-based AFM is known for its stability and resistance to acoustic noise, which is good for a fab environment. The multihead design attacks the throughput problem directly. The real test, however, won't be in a conference paper. It will be on a fab floor, where the system must operate reliably for thousands of hours, integrate with existing tool automation, and deliver consistent data that production engineers trust. The risks at scale are not about the physics, but about everything around it.
- Qualification marathon. Winning a spot in a major chipmaker's process flow requires passing a grueling, multi-phase qualification that can take 18 months or more. Any drift in measurement or downtime can reset the clock.
- Integration depth. Being "incorporated into semiconductor inspection equipment" means developing deep, proprietary interfaces with tool manufacturers. This is a business development and engineering challenge as much as a scientific one.
- The incumbent moat. Established metrology giants like KLA and Bruker have decades of software algorithms, service networks, and entrenched relationships. A startup must offer not just a better sensor, but a compelling total cost-of-ownership argument to displace them.
The company's early discussions with Samsung and SK hynix are a necessary first step, but they are only the beginning of a very long road. For Multiscale Instruments, the next 24 months will be about transitioning from a promising university project to a tool that can survive the brutal reliability demands of high-volume manufacturing. The multihead bet is clever, but the fab floor is unforgiving.
Sources
- [Perplexity Sonar Pro Brief, retrieved 2026] Multiscale Instruments company and product overview | https://multiscale-instruments.com/
- [Chosun Biz, August 2026] Je Won-ho drives Korea metrology shift with multihead AFM for chip fabs | https://biz.chosun.com/en/en-it/2026/08/15/R4HWO5XCJRFHZC3JYHALOH2EWA
- [Seoul Economic Daily, February 2026] Korean Startups to Present Yield Innovation Tech at Top Conference | https://en.sedaily.com/technology/2026/02/23/korean-startups-to-present-yield-innovation-tech-at-top
- [Dealroom, October 2026] Seoul National University holding fund backs AFM startup Multiscale Instruments | https://app.dealroom.co/news/note/seoul-national-university-holding-fund-backs-afm-startup-multiscale-instruments
- [Crunchbase, retrieved 2026] Multiscale Instruments - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/multiscale-instruments
- [WOWTALE, October 2026] Atomic Force Microscope Developer Multiscale Instrument Raises Undisclosed Funding from Seoul Techno Holdings | https://en.wowtale.net/2026/10/28/235755/
- [Seoul National University Technology Holdings, retrieved 2026] Multiscale Instruments portfolio page | https://snutechholdings.snu.ac.kr/portfolio/?mod=document&uid=372