What Seminet does

Seminet Inc. (주식회사 세미넷) is a privately held Korean technology distributor specializing in imported semiconductor and materials-characterization equipment. Originally founded in January 2010 as Hyinnotech (현노텍) with a memory module testing focus, the company pivoted into equipment distribution, signed its first major agency agreement with TMC (USA) in November 2012, and was rebranded as SEMINET in January 2013. The firm is headquartered in Youngtong InnoFlex, Suwon, Gyeonggi-do, operates with approximately 5 employees, and serves exclusively the domestic Korean market.

The company functions as the exclusive Korean business partner for four international principals: TMC (Technical Manufacturing Corporation, USA) for anti-vibration isolation systems (STACIS III, STACIS Quiet Island, SEM-Base, SEM-Base LP, Micro-g); Sigray (USA) for laboratory X-ray analysis and imaging instruments (AttoMap MicroXRF, QuantumLeap XAS, TriLambda Nano XRM, Prisma Sub-micron XRM, EclipseXRM, Apex XCT-150); Camtek (Israel) for semiconductor inspection equipment; and Avantor Performance Materials (J.T Baker) for high-purity semiconductor chemicals including Cu Stripper formulations. Seminet does not develop proprietary technology; rather, it provides Korean-localized sales, technical consultation, installation support, and application case studies for these principals' products in semiconductor failure analysis, metrology, materials characterization, and battery research.

Seminet's go-to-market is a consultative, direct-sales model targeting Korean semiconductor manufacturers, semiconductor equipment makers, enterprises, universities, and national research institutes. Revenue is generated through hardware sales margins and dealership fees, with pricing conducted on a quote-by-quote basis through the company's website inquiry form. Marketing channels include the company website, a dedicated Naver blog, Sigray and TMC LinkedIn/YouTube assets, and annual participation in SEMICON Korea. The business has demonstrated longevity through cumulative sales of 300+ TMC anti-vibration systems and 20+ Camtek inspection systems to Korean customers, but shows no signs of public listing, external equity funding, or geographic expansion beyond Korea.

Name

Seminet

Legal name

주식회사 세미넷

Website

https://seminet.kr

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Seminet is a privately held Korean equipment distributor that serves as the exclusive Korean business partner for Sigray (USA) X-ray analysis instruments and TMC (USA) anti-vibration isolation systems, supplying semiconductor manufacturers, equipment makers, universities, and research institutes with imported semiconductor and materials-characterization equipment.

Ownership category

akta.pro rank

Product category

Semiconductor Equipment Distribution

NAICS

Analytical Laboratory Instrument Manufacturing (334516), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Other General Purpose Machinery Manufacturing (3339)

SIC

Laboratory Analytical Instruments (3826), X-Ray Apparatus & Tubes & Related Irradiation Apparatus (3844), Industrial Instruments For Measurement, Display, And Control (3823), Wholesale-Electronic Parts & Equipment, Nec (5065)

akta.pro primary industry

Shock, Vibration & Tilt Monitoring Devices (Impact Indicators, Data Loggers) (IMALAFAJ)

akta.pro secondary industry

Welding Inspection & QA/QC (NDT, PWHT, Weld Procedure/Qualification) (EUAEAHAD)

Keywords

• Semiconductor equipment distribution
• X-ray analysis instruments
• Anti-vibration isolation
• Semiconductor inspection
• Materials characterization

Headquarters

HQ city

Suwon

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Equipment and Instrument Sales: Seminet generates revenue primarily through the sale and distribution of imported semiconductor and research equipment (Sigray X-ray analysis systems, TMC anti-vibration systems, Camtek inspection equipment, and Avantor semiconductor chemicals) to Korean customers. Revenue is derived from direct equipment sales, with consultation and demo support accompanying transactions.
2. Agency / Dealership Fees: As an authorized dealer for multiple international semiconductor equipment brands, Seminet operates on a dealership/agency model, earning commissions or margins on equipment sales to Korean end customers.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Seminet is the exclusive Korean business partner and distributor for imported semiconductor and research equipment — primarily Sigray (USA) laboratory X-ray analysis systems and TMC (USA) anti-vibration isolation platforms — supplying them to Korean semiconductor manufacturers, semiconductor equipment makers, enterprises, universities, and national research institutes. The portfolio also includes Camtek inspection equipment and Avantor (J.T Baker) semiconductor process chemicals, supported by local sales, installation, technical consultation, and after-sales support.

Product overview

Seminet is a Korean technology distributor serving the semiconductor industry with two main product lines. The SIGRAY sub-brand (US-based Sigray Inc.) provides laboratory X-ray analysis and imaging equipment spanning micro-XRF spectroscopy (ATTOMAP MicroXRF), X-ray absorption spectroscopy (QUANTUMLEAP XAS), nano-scale 3D X-ray microscopy (TriLambda Nano XRM), micro-scale 3D X-ray microscopy (PRISMA Sub-micron XRM), computed tomography (APEX XCT-150), and high-resolution XRM systems. The TMC sub-brand (US-based Technical Manufacturing Corporation) supplies anti-vibration isolation solutions including active piezoelectric systems (STACIS III, STACIS Quiet Island), active isolation platforms for electron microscopes (SEM-Base, SEM-Base LP), and optical table support systems (Micro-g). Together, these products address semiconductor failure analysis, materials characterization, quality inspection, and precision manufacturing stability requirements.

Differentiator

Problem solved

Functional benefit

Products and services

• ATTOMAP MicroXRF A laboratory X-ray fluorescence microscope delivering sub-ppm relative detection sensitivity and sub-1.5μm 2D correlative X-ray imaging for trace-element mapping. Used in semiconductor failure analysis, mineralogy, life sciences, dopant analysis, and thin-film metrology.
• QUANTUMLEAP XAS Spectroscopy The first laboratory-based X-ray absorption spectroscopy (XAS) system delivering synchrotron-quality performance. Provides oxidation state, bond length, and electron symmetry data via XANES and EXAFS modes for catalysis, battery/fuel cell research, and nanoparticle characterization.
• TriLambda Nano XRM A 3D X-ray microscope with up to 40nm spatial resolution and 80μm field of view. Features a tri-energy X-ray source (Cr, Fe, Cu, Rh, Au) and dual resolution modes (40nm and 120nm) for biology, materials science, geology, and battery electrode analysis.
• PRISMA Sub-micron XRM A 3D X-ray microscope with 0.5μm absorption contrast resolution and a proprietary Tri-Contrast system (absorption, Quantitative Phase, and Subresolution Darkfield). Designed for failure analysis, materials science, energy research, and in-situ/operando experiments.
• Sigray EclipseXRM 900 High-resolution X-ray microscope offering 0.3μm spatial resolution for semiconductor, 3D printing, and battery characterization applications.
• APEX XCT-150 An X-ray computed tomography system for semiconductor failure analysis and reverse engineering. Supports sample sizes up to 30cm diameter with laminography (large intact samples) and artifact-free tomography (high-resolution small samples) modes; applicable to 300mm wafers, PCB boards, and heterogeneous packages.
• STACIS III An active piezoelectric vibration isolation system for SEM, TEM, FIB, metrology, inspection, SIMS, and NMR equipment in semiconductor fabs and research facilities. Features 0.6–150Hz active bandwidth, ≥90% isolation at ≥2Hz, and a DC-2020 digital controller with Ethernet/USB/GUI.
• STACIS Quiet Island A vibration isolation platform combining the STACIS III active isolation system with a rigid, proprietary multi-layer stainless steel laminate platform. Designed for semiconductor fab and precision manufacturing environments with raised-access floors; standard heights 15–48 inches with custom dimensions.
• SEM-Base An active piezoelectric vibration isolation platform designed for SEM, FIB, and small dual-beam instruments. Features 6 degrees of freedom active isolation, 0.6–100Hz bandwidth, 90% isolation at 2Hz, Hard-Mount technology, and an operating load range of 900–3,200 lbs.
• SEM-Base LP A low-profile version of SEM-Base standing at 5.26 inches nominal height. Installed by adjusting level feet without lifting the SEM equipment. Compatible with multiple Thermo Fisher Scientific (FEI) SEM models including Apreo, Aquilos, Helios 5, Nova NanoSEM, Quattro S, Scios, Teneo, Verios 5, and Versa 3D.
• Micro-g

Quantifiable outcome

• 300+ TMC anti-vibration systems sold to Korean semiconductor manufacturers
• +3 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered minor, core and secondary.

• Gothenburg University (Sweden)minorOthers · 14 March 2023Gothenburg University in Sweden successfully installed a TMC optical table (via Seminet/TMC distribution channel), demonstrating TMC's reach into Scandinavian research institutions.
• LambdaPhoto (UK/Ireland)minorChannel Partner/ Reseller/ Distributor · 1 January 2021TMC announced distribution of its anti-vibration equipment through LambdaPhoto for the UK and Ireland markets, extending TMC's (and Seminet's partner's) geographic reach into European optical and photonics research markets.
• SigraycoreChannel Partner/ Reseller/ Distributor · 1 October 2016Seminet entered a dealership agreement with Sigray (USA) in October 2016 for X-ray FA/inspection equipment, distributing products including AttoMap MicroXRF, QuantumLeap XAS, TriLambda Nano XRM, Prisma XRM, EclipseXRM, and Apex XCT. Sigray's lab-based X-ray instruments are used by major Korean battery companies and research institutions.
• CamteksecondaryChannel Partner/ Reseller/ Distributor · 1 December 2015Seminet signed a Camtek (Israel) dealership agreement in December 2015 for inspection equipment. Seminet has sold more than 20 Camtek inspection systems to Korean semiconductor manufacturers.
• Avantor Performance Chemical (J.T Baker)secondaryChannel Partner/ Reseller/ Distributor · 1 January 2013Seminet supplies Avantor/J.T Baker high-performance semiconductor chemicals to Korean semiconductor manufacturers, including Cu Stripper (Model No: 168H) which was certified and entered mass production supply in April 2012.
• TMC (Technical Manufacturing Corporation)coreChannel Partner/ Reseller/ Distributor · 1 November 2012Seminet entered a dealership agreement with TMC (USA) in November 2012 for anti-vibration control equipment. Since then, Seminet has sold over 300 TMC anti-vibration systems to Korean semiconductor manufacturers, establishing TMC products as a core revenue pillar.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• JEOL Ltd. Japanese manufacturer of electron microscopes, X-ray instruments, and analytical equipment with Korean sales offices. Competes with Sigray in advanced materials characterization and offers its own vibration-friendly SEM/TEM platforms adjacent to TMC's product line.
• AMETEK Inc. US-based electronic instruments and electromechanical devices group that has acquired TMC. Already operates Korean subsidiaries, creating a credible threat that AMETEK could consolidate TMC distribution in-house and bypass Seminet's exclusive dealership.
• Rigaku Corporation: Japanese manufacturer of X-ray analytical and imaging instruments (XRD, XRF, XRM) with Korean operations. Direct competitor to Sigray's X-ray product family in semiconductor and battery research, with a comparable technology stack and overlapping Korean academic and industrial customer base.
• Oxford Instruments: UK manufacturer of analytical instruments including X-ray and electron microscopy systems with Korean sales presence. Competes in adjacent technology categories served by Seminet, particularly in materials analysis and semiconductor process characterization.
• Entegris Inc. US-based supplier of specialty materials and equipment for semiconductor manufacturing with a significant Korean presence. Serves the same fab customer base as Seminet with consumables, filters, and fluid-handling subsystems, and represents a comparable benchmark for semiconductor equipment supplier economics in Korea.
• Bruker Corporation: Global manufacturer of X-ray analytical and microscopy instruments with a direct Korean sales and service presence. Competes head-on with the Sigray product family that Seminet distributes, and offers broader life-science and materials portfolios that customers could substitute.
• Thermo Fisher Scientific: Major manufacturer of electron microscopes, X-ray instruments, and analytical equipment with established Korean operations. Competes with both Sigray (X-ray imaging) and adjacent equipment lines, and represents the kind of direct-sales alternative that could disintermediate Seminet.
• Carl Zeiss Microscopy: German manufacturer of X-ray microscopy and imaging systems with Korean sales offices. Direct competitor to Sigray's XRM portfolio in materials characterization and failure analysis, and a relevant benchmark for global incumbent pricing and service expectations.

Emerging players

• Ichor Holdings: US-based specialist in semiconductor equipment design and fluid delivery subsystems serving global fabs. While not a direct distribution competitor, Ichor provides a relevant public benchmark for the financial profile of lean semiconductor equipment businesses serving Korean customers.

Direct peers

• Lambda Photometrics: UK and Ireland distributor of TMC anti-vibration products (announced January 2021). Directly comparable as a regional distributor of the same TMC product line that Seminet represents in Korea, with an analogous business model of localized sales, technical support, and trade-show marketing for imported specialist equipment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/TMCAmetek
• LinkedInlinkedin.com/company/seminetwithsigray

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Seminet