Neosem

What Neosem does

Neosem Inc. (주식회사 네오셈) is a South Korea-based, privately held designer and manufacturer of automated test equipment (ATE) for the semiconductor memory industry. Headquartered at 12-26 Simin-daero 327beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, the company operates with a small team (stated 11–50 employees) and focuses on test solutions for solid-state drives (SSDs), custom flash arrays, DRAM modules, memory burn-in reliability, LED aging, and surface particle detection. Its product portfolio includes SSD Test, Memory Burn-In Test, DRAM Module Test, LED Test, Automation, and Surface Particle Detector equipment, positioned as total solutions spanning product development through high-volume production.

The company's underlying technology is electromechanical and software-controlled test automation — bench-top development systems through to high-volume automated production testers — built in close collaboration with customers. Neosem monetizes primarily through capital equipment sales to semiconductor memory manufacturers and custom flash array producers, supplemented by custom solution development and integration services (professional services). Go-to-market is enterprise field sales: the corporate website routes buyers through dedicated Sales, Application, and Service inquiry forms, targeting engineering and procurement teams at memory IDMs. The company operates a wholly-owned subsidiary, Flexstar Technology (acquired April 2021), and announced a 2021 partnership with Tanisys Technology to broaden its ATE ecosystem. Geographic operations are concentrated in South Korea/Asia, with no documented non-Korean offices or named customer logos.

Name

Neosem

Legal name

Neosem Inc.

Website

https://neosem.com

Company type

Private

Founded year

2020

Operating status

Operating

Headcount range

11–50 employees

Short description

Neosem Inc. is a privately held South Korean designer and manufacturer of automated test equipment for semiconductor memories — including SSD, DRAM, memory burn-in, LED aging, and surface particle detection — serving memory manufacturers and custom flash array producers via direct enterprise sales from its Anyang headquarters.

Ownership category

akta.pro rank

Product category

Semiconductor Test Equipment

NAICS

Semiconductor Machinery Manufacturing (333242), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro industry

PRIMARYHDAHAEAJ

Test, Probe & Burn-In Equipment (Wafer Sort/Final Test)

Hardware, Technology & Telecom/Semiconductors & Electronic Components/Semiconductor Manufacturing Equipment

SECONDARYHDAHADAD

Test Services (Wafer Sort, Final Test, Burn-In)

Hardware, Technology & Telecom/Semiconductors & Electronic Components/Semiconductor Assembly, Packaging & Test (OSAT)

Keywords

• Semiconductor test equipment
• Automated test equipment
• SSD testing solutions
• Memory burn-in test
• DRAM module testing

Headquarters

HQ city

Anyang

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Automated Test Equipment Sales: Sale of automated test equipment for SSD, memory, DRAM modules, LED components, and semiconductor memories. Equipment ranges from development-stage testing through high-volume production automated systems.
2. Custom Solution Development: Collaborative development of custom automated test solutions with customers from product development through high-volume manufacturing, likely including engineering and integration services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Neosem designs, builds, and supports automated test equipment (ATE) for solid-state drives (SSDs), custom flash arrays, DRAM modules, LED components, and surface particle inspection, and delivers custom automation solutions for semiconductor memory testing. The company sells bench-top development systems and high-volume automated test equipment, working collaboratively with customers from product development through mass production.

Product overview

Neosem is a semiconductor testing equipment company offering a portfolio of automated test equipment for SSD, Custom Flash Arrays, and semiconductor memories. The product lineup includes SSD Test, Memory Burn-In Test, DRAM Module Test, LED Test, Automation solutions, and Surface Particle Detector — providing total solutions from product development to high volume production, developed in collaboration with customers.

Differentiator

Problem solved

Functional benefit

Products and services

• SSD Test Equipment Automated test equipment for Solid State Drive (SSD) testing, providing comprehensive testing solutions from product development to high-volume production. Targeted at SSD manufacturers and producers of custom flash arrays.
• Memory Burn-In Test Equipment Burn-in testing equipment for memory components to ensure reliability and longevity under stress conditions. Used by semiconductor memory manufacturers for reliability validation in development and production.
• DRAM Module Test Equipment Automated testing solutions specifically designed for DRAM module testing and validation. Targeted at DRAM module manufacturers requiring functional and parametric test capability.
• LED Test Equipment LED aging and testing equipment for quality assurance and performance validation of LED components, including LED aging tests for durability and longevity validation.
• Automation Solutions Custom automation solutions for semiconductor memory testing processes, enabling seamless integration from product development to high-volume manufacturing. Targeted at manufacturers needing tailored production line automation.
• Surface Particle Detector Automated detection equipment for identifying and measuring surface particles on semiconductor wafers and components, supporting quality control in semiconductor manufacturing.
• Custom Flash Array Test Solutions Customized flash array test and development solutions developed in collaboration with customers for specialized semiconductor memory applications. Targeted at producers of custom flash arrays requiring bespoke test approaches.

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• Flexstar TechnologymajorStrategic or Co-development Partner · 15 April 2021Flexstar Technology was acquired by Neosem Holdings in April 2021. This acquisition represents Neosem's expansion strategy in the automated test equipment space, strengthening capabilities in semiconductor testing technology.

Recent moves3 records

Expansion highlights5 records

Direct peers

• Cohu: U.S.-headquartered semiconductor test equipment vendor (including its Xcerra acquisition) serving memory and mobility test markets. Directly comparable ATE competitor targeting similar memory customers.
• Advantest: The other leading global ATE supplier and a strong incumbent in memory and SoC test. Comparable to Neosem as a head-to-head competitor for high-volume memory test platforms, although at vastly larger scale.
• FormFactor: Specialized supplier of probe cards, test contactors, and metrology used in wafer-level and final test for memory and logic devices. Comparable to Neosem in the memory test value chain, though focused on probe-side hardware rather than full testers.
• Chroma ATE: Taiwan-based ATE manufacturer with a specific memory and semiconductor test offering serving Asian memory makers. Closely mirrors Neosem's niche specialization in memory/SSD test and Taiwan/Korea customer footprint.
• Teradyne: One of the two dominant automated test equipment (ATE) vendors globally, with a large memory test product line serving SSD/DRAM/NAND customers. Directly comparable as Neosem's primary incumbent competitor in the same product category and customer base.
• Tanisys Technology: Memory test equipment company and named Neosem partner. Highly comparable given overlapping focus on DRAM/NAND burn-in and SSD test tools and the explicit commercial partnership cited in Neosem's records.

Broad incumbents

• Keysight Technologies: Large electronic test & measurement vendor serving semiconductor and electronics production test, with relevant instruments and software for memory/SSD validation. Comparable as a broader incumbent test ecosystem player.
• National Instruments (NI): Test & measurement platform vendor widely used in semiconductor production test and validation workflows. Comparable as a generalist test incumbent whose modular PXI platform overlaps parts of Neosem's addressable workflow.
• Yokogawa Electric: Major Japanese test & measurement and industrial automation vendor with overlap in semiconductor and electronic test solutions. Comparable as a broader incumbent offering test capability that touches memory and electronics production.

Emerging players

• Hprobe: Smaller-scale emerging ATE vendor focused on magnetic memory (MRAM) and next-generation memory test. Comparable as an emerging specialist neighbor in the memory test equipment niche that Neosem operates in.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 Neosem