LSE
LSE is a South Korean semiconductor cleaning equipment manufacturer selling single-wafer processors and wafer scrubbers for sub-20nm and sub-30nm process nodes to semiconductor fabs in Korea and China.
- Company typePrivate
- Founded2022
- HeadquartersYongin, South Korea
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What LSE does
LSE Co., Ltd. (엘에스이 주식회사) is a South Korean manufacturer of semiconductor wet-cleaning equipment, headquartered in Yongin-si, Gyeonggi-do. The company designs, manufactures, and sells three core hardware product lines — the NSM-Series 12-chamber single wafer processor (sub-20nm), the SI-Series 8-chamber single wafer processor (sub-30nm), and the SC-Series 8-chamber stacked wafer scrubber (sub-20nm) — and is developing next-generation 3D and high-temperature cleaning platforms. Its technology centers on advanced chamber structure, wafer transport modules, and particle/pattern lean control engineered for advanced-node wafer fabrication.
LSE traces its operational lineage to an affiliated research institute established in 2002, with subsequent facility expansions at Anseong (2016) and Anseong 2 (2018), and a wholly-owned Chinese subsidiary, WLSE, established in Wuxi in 2011. The current corporate entity was formed on January 7, 2022 through the acquisition of Mujin Electronics' equipment business division, with registered capital of approximately 28억 KRW (~$2.3M USD) and 201 employees. The company holds ISO 9001/14001/45001/22301 certifications and is recognized as a Korean Corporate Affiliated Research Institute.
The company operates a direct B2B sales model, selling cleaning equipment to semiconductor fabs in Korea and China. Pricing is not publicly disclosed, and revenue figures are not reported in available sources. The 4th fiscal period settlement was announced for March 25, 2026, with Daeju Accounting Corporation appointed as external auditor for fiscal year 2024.
LSE firmographics
Firmographics- Name
- LSE
- Legal name
- 엘에스이 주식회사
- Website
- https://lse-r.com
- Company type
- Private
- Founded year
- 2022
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- LSE is a South Korean semiconductor cleaning equipment manufacturer selling single-wafer processors and wafer scrubbers for sub-20nm and sub-30nm process nodes to semiconductor fabs in Korea and China.
- Ownership category
- akta.pro rank
LSE industry classification
Industry- Product category
- Semiconductor Cleaning Equipment
- NAICS
- Semiconductor Machinery Manufacturing (333242)
- SIC
- Special Industry Machinery, Nec (3559)
- akta.pro primary industry
- Wafer Cleaning & Surface Preparation Equipment (HDAHAEAG)
- akta.pro secondary industry
- Wafer Handling, Automation & Robotics (AMHS) (HDAHAEAI)
Keywords
Where LSE is headquartered
LocationHeadquarters
- HQ city
- Yongin
- HQ country
- South Korea
- HQ region
- Asia
Offices4 records
Markets served
LSE business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales
Revenue model
- Semiconductor Cleaning Equipment Sales: LSE generates revenue through the development, manufacturing, and sale of semiconductor cleaning equipment including Single Wafer Processors (NSM-Series, SI-Series) and Wafer Scrubbers (SC-Series). Equipment is sold directly to semiconductor fabs for use in their manufacturing processes.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
LSE product offering
Product offeringCore offering
LSE develops, manufactures, and sells semiconductor cleaning equipment used by semiconductor fabrication facilities (fabs). The company offers three main product lines: the NSM-Series and SI-Series Single Wafer Processors, and the SC-Series Stacked Platform Wafer Scrubber. Equipment targets advanced process nodes (sub-20nm and sub-30nm) with proprietary chamber structures and wafer transport modules designed for particle control, pattern lean control, and throughput improvement.
Product overview
LSE (엘에스이 주식회사) is a semiconductor cleaning equipment manufacturer offering three main product lines: the NSM-Series and SI-Series Single Wafer Processors, and the SC-Series Wafer Scrubber. The NSM-Series targets sub-20nm applications with 12 chambers, the SI-Series serves sub-30nm processes with 8 chambers, and the SC-Series provides scrubbing functionality for sub-20nm wafer processing. These equipment products work together to serve semiconductor fabrication cleaning needs across different technology nodes.
Differentiator
Problem solved
Functional benefit
Products and services
- NSM-Series Single Wafer Processor A single wafer processor consisting of 12 chambers with an advanced chamber structure and wafer transport module, designed to improve small-size particle control and throughput for process applications under the 20nm technology node. Targeted at semiconductor fabs performing wafer cleaning at advanced nodes.
- SI-Series Single Wafer Processor A single wafer processor consisting of 8 chambers with an advanced wafer transport module to improve throughput for process applications under the 30nm technology node. Targeted at semiconductor fabs performing wafer cleaning at advanced nodes.
- SC-Series Wafer Scrubber A stacked platform scrubber consisting of 8 chambers with an advanced wafer transport module to improve throughput for process applications under the 20nm technology node. Targeted at semiconductor fabs requiring scrubbing functionality for wafer processing.
Companies that use LSE
Customer profileSegments1 record
Ideal customer profiles1 record
LSE technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
LSE partnerships and signals
Strategic signalScale indicators4 records
Recent moves10 records
Expansion highlights4 records
LSE competitors and assessment
Company assessmentBroad incumbents
- Ulvac: Japanese broad-line vacuum and semiconductor equipment maker with cleaning-related offerings. Comparable in node targeting and customer set, though Ulvac spans many equipment categories.
- Lam Research: U.S. incumbent with broad semiconductor equipment portfolio including wet-cleaning products. Comparable customer base and node focus, though Lam is a broad-line equipment maker rather than cleaning specialist.
Direct peers
- SEMES: Samsung Electronics' semiconductor equipment subsidiary producing cleaning and other front-end tools primarily for in-house Samsung fabs. A large, captive Korean peer in cleaning equipment.
- Tokyo Electron: Global leader in semiconductor cleaning equipment (single-wafer wet stations, scrubbers) and the dominant incumbent LSE competes against. Directly comparable product category, customer base (foundries, memory fabs), and process-node focus.
- SCREEN Holdings: Major Japanese manufacturer of wafer cleaning equipment (single-wafer processors, scrubbers) serving the same advanced-node fab customers as LSE. Closest analog in product portfolio and technology positioning.
- KCTech: Korean semiconductor equipment maker with cleaning and surface-preparation tools serving Korean fabs. Comparable product focus and Korean customer overlap.
- ACM Research: China/U.S.-listed semiconductor cleaning equipment maker focused on single-wafer wet clean, scrubbers, and advanced packaging. Closest mid-size direct competitor to LSE, especially relevant given Chinese fab exposure.
- NAURA Technology: Major Chinese semiconductor equipment conglomerate with wet-cleaning and other front-end tools. Competes in the same Chinese fab customer set where LSE's WLSE subsidiary operates.
- AP Tech: Korean semiconductor cleaning equipment manufacturer serving Korean memory and logic fabs. Direct Korean peer in product category, customer base, and node focus.
Emerging players
- Kingsemi: China-based emerging semiconductor equipment vendor with single-wafer cleaning products targeting advanced nodes. An emerging direct competitor particularly relevant to LSE's China positioning.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat2 records
Key risks6 records
Key highlights6 records
Customer concentration
LSE social profiles
Digital presenceLSE compliance and trust
Trust signalCompliance4 records
LSE financial estimates
Financial estimateRevenue estimate
Valuation estimate
LSE leadership team
Management profileNumber of profiles
Profiles1 record
LSE subsidiaries and ownership
Company hierarchySubsidiaries1 record
LSE funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
LSE M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about LSE
What does LSE do?
LSE develops, manufactures, and sells semiconductor cleaning equipment used by semiconductor fabrication facilities (fabs). The company offers three main product lines: the NSM-Series and SI-Series Single Wafer Processors, and the SC-Series Stacked Platform Wafer Scrubber. Equipment targets advanced process nodes (sub-20nm and sub-30nm) with proprietary chamber structures and wafer transport modules designed for particle control, pattern lean control, and throughput improvement.
Is LSE a public or private company?
LSE is a private company. It is classified as management employee owned and is currently operating.
When was LSE founded?
LSE was founded in 2022. It employs 1 to 10 people.
Where is LSE based?
LSE is headquartered in Yongin, South Korea, in the Asia region.
How does LSE make money?
One revenue line is on record: semiconductor Cleaning Equipment Sales.
Who are LSE's main competitors?
Broad incumbents on record are Ulvac and Lam Research. Direct peers are SEMES, Tokyo Electron, SCREEN Holdings, KCTech, ACM Research, NAURA Technology and AP Tech. Kingsemi is listed as an emerging player.
Does LSE have an API?
No public API is recorded for LSE.
What industry is LSE in?
LSE's product category is Semiconductor Cleaning Equipment. Its primary akta.pro industry code is HDAHAEAG, Wafer Cleaning & Surface Preparation Equipment, with a secondary code of HDAHAEAI, Wafer Handling, Automation & Robotics (AMHS). Its NAICS code is 333242 and its SIC code is 3559.