What S&S Tech does

S&S Tech (에스앤에스텍) is a South Korean semiconductor and display materials manufacturer founded in 2001 and listed on KOSDAQ since April 2009. The company's core product is blank masks — the foundational raw material used in photolithography for both semiconductor wafer patterning and flat panel display manufacturing — supplemented by EUV-compatible pellicles produced at its dedicated Yongin EUV Center. A wholly-owned subsidiary (TSP, est. 2012) manufactures large-format touch screen panel sensors, representing a small adjacent line. The company monetizes primarily through direct B2B hardware sales to semiconductor and display manufacturers, having achieved domestic localization of blank mask supply following a 2009 patent litigation victory against Japanese incumbent Hoya.

S&S Tech serves 30+ customers in the Korean and global semiconductor supply chain, with a strategic cooperation agreement with Samsung Electronics (signed January 2012 under Samsung's New Technology Development Public Contest Program) representing the most prominent named anchor relationship. The company operates two principal sites — a headquarters and manufacturing base in Daegu (Dalseo-gu) and the Yongin EUV Center in Gyeonggi-do — and has accumulated 378 patent applications. Revenue reached KRW 2,437 billion (approx. USD 1.8 billion at typical KRW/USD) in 2025, growing from KRW 830 billion in 2021.

The company benefits from substantial Korean government support, including World Class 300 designation (2014), INNO-BIZ and Parts and Materials Specialist re-certifications, Advanced Technology Enterprise status (Ministry of Science, ICT and Future Planning, 2016), and a KRW 3.5 billion local investment promotion subsidy (2016). Capital structure includes a KRW 65.94 billion third-party share allotment (2020) and a KRW 55 billion K-Semiconductor facility loan from Industrial Bank of Korea (2021), both earmarked for capacity expansion and next-generation (EUV) technology development. A research and technology cooperation agreement with the Pohang Accelerator Research Institute (December 2021) supports advanced lithography R&D.

Name

S&S Tech

Legal name

주식회사 에스앤에스텍 (주)에스앤에스텍

Website

https://snstech.co.kr

Company type

Public

Founded year

2001

Operating status

Operating

Headcount range

1–10 employees

Short description

S&S Tech is a South Korean semiconductor materials manufacturer founded in 2001 that develops and supplies blank masks and EUV pellicles for semiconductor and display photolithography, serving 30+ chipmakers and panel makers from facilities in Daegu and Yongin.

Ownership category

akta.pro rank

Product category

Semiconductor Materials

NAICS

Semiconductor and Other Electronic Component Manufacturing (33441), Semiconductor and Other Electronic Component Manufacturing (3344)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Photomask Blanks, Masks & Reticles (Quartz/PELlicles) (HDAHAGAD)

akta.pro secondary industries

Mask/Reticle Manufacturing & Inspection Equipment (HDAHAEAK), Photoresists & Lithography Materials (Resists, Developers, Strippers) (IMAEAKAB)

Keywords

• Semiconductor blank masks
• Photomask manufacturing
• EUV lithography materials
• Flat panel display masks
• Pellicle production

Headquarters

HQ city

Daegu

HQ country

South Korea

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Technology or R&D, Personnel, Infrastructure, Supply Chain, Marketing or Sales

Revenue model

1. Blank Mask Sales: S&S Tech generates revenue primarily through the manufacture and sale of blank masks to semiconductor and display manufacturers. Revenue as of 2025 is reported at KRW 2,437 billion, driven by increased demand for semiconductor materials and the global memory chip supercycle.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

S&S Tech develops and manufactures blank masks — the foundational raw material used in semiconductor and flat panel display photolithography processes — supplying chipmakers and panel makers with patterning substrates. The company also produces EUV-compatible pellicles for advanced lithography and operates a dedicated EUV Center in Yongin for next-generation mask blank development. A wholly-owned subsidiary (TSP) produces large-format touch screen panel sensors as an adjacent offering.

Product overview

S&S Tech operates as a single-product semiconductor materials manufacturer with its core offering being blank masks (블랭크 마스크), which are essential raw materials for semiconductor and display photolithography. The company also manufactures EUV-compatible pellicles for advanced lithography processes. A subsidiary produces TSP (Touch Screen Panel) sensors for large-format display applications. The company focuses on R&D for continuous blank mask development and technology advancement.

Differentiator

Problem solved

Functional benefit

Products and services

• Semiconductor Blank Masks Blank masks supplied as core raw materials to semiconductor manufacturers for use in wafer photolithography patterning processes. Used by chipmakers (including Samsung Electronics via a 2012 cooperation agreement) to produce integrated circuits.
• FPD (Flat Panel Display) Blank Masks Blank masks for flat panel display photolithography, supplied to display panel manufacturers to reduce import dependence on overseas suppliers.
• EUV Pellicles EUV-compatible pellicles designed to protect photomasks from particle contamination during extreme ultraviolet lithography processes used in advanced semiconductor nodes.
• TSP (Touch Screen Panel) Sensors Large-format touch screen panel sensors manufactured by wholly-owned subsidiary TSP for display applications in consumer electronics and large-format panels.

Quantifiable outcome

• First domestic mass production of FPD blank masks, breaking import dependence.
• +2 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered strategic and core.

• Pohang Accelerator Research Institute (포항가속기연구소, PAL)strategicTechnology or Integration · 29 December 2021S&S Tech entered into a research and technology cooperation agreement with the Pohang Accelerator Research Institute in December 2021. The partnership focuses on joint research and technology development leveraging PAL's advanced research infrastructure to support S&S Tech's blank mask and EUV technology development.
• Samsung Electronics (삼성전자)coreStrategic or Co-development Partner · 26 January 2012S&S Tech signed a cooperation agreement with Samsung Electronics under Samsung's New Technology Development Public Contest Program (삼성전자-신기술개발공모제). This agreement is part of Samsung's broader initiative to support 4 SMEs in a co-growth model (동반성장 신모델), integrating S&S Tech into Samsung's supply chain as a materials development partner.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• SK-Electronics (Japan): Japanese photomask manufacturer with established positions in semiconductor and FPD photomasks — comparable end markets to S&S Tech (semiconductors + flat panel displays) and a competitor in mask blanks/masks.
• Photronics: U.S.-based pure-play photomask manufacturer serving semiconductor and display fabs globally. Comparable merchant mask business model though S&S Tech's focus is on blanks/pellicles upstream of finished masks.
• Dai Nippon Printing (DNP): DNP operates a significant photomask manufacturing business, including advanced masks used at leading-edge nodes. Competes with S&S Tech's customer base for advanced lithography mask supply.
• HOYA Corporation: HOYA is the global leader in photomask blanks for semiconductor lithography and the historical incumbent S&S Tech displaced in Korea after winning patent litigation in 2009. Direct competition in mask blanks, including EUV-relevant substrates.
• Toppan Photomasks: Toppan is one of the largest merchant photomask manufacturers globally, producing both masks and mask-related materials for semiconductor and display customers across all lithography nodes.
• AGC Inc. AGC manufactures photomask substrates (synthetic quartz glass) used in blank masks for semiconductor lithography. A direct materials competitor to S&S Tech in the global mask blank supply chain, including EUV-grade substrates.

Emerging players

• Applied Materials (Photomask / Mask Blank Division): While Applied Materials is broadly a semiconductor equipment giant, it has shown growing interest in mask blank/blank mask inspection and adjacent materials. Relevant as an emerging competitor in EUV-related consumables/materials.

Broad incumbents

• Sumitomo Electric Industries: Diversified Japanese materials/industrial conglomerate with activities in semiconductor materials, including EUV-related capabilities. Larger incumbent operating in adjacent semiconductor materials spaces.
• Toppan Holdings: Parent/affiliate of Toppan Photomasks and a broad diversified printing/electronics conglomerate with extensive photomask operations. Larger incumbent with overlapping capabilities in mask manufacturing and related materials.
• LG Chem: Korean specialty chemicals/materials conglomerate with semiconductor materials adjacencies (e.g., photoresist). Operates in Korean semiconductor materials policy ecosystem relevant to S&S Tech but in adjacent (not overlapping) categories.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/snstechofficial

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about S&S Tech