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Toho Metrology Systems

Toho Technology provides non-contact carrier profiling and mobility analysis solutions for high-precision evaluation of the electrical properties of semiconductor materials. Its key systems, including the ECV Pro+ and HL9900, offer high-resolution carrier concentration and mobility profiling, non-destructive thin-film thickness and sheet resistance measurements, and support a wide range of semiconductor samples including Si, III-V, compound, and emerging materials. SEKOA supplies and supports these precision metrology tools to customers in Korea and across global markets.


Toho Technology’s electrical measurement systems provide precise solutions for

carrier concentration profiling and mobility analysis—essential for semiconductor process development.

These systems support a wide range of materials including Si, III-V, and emerging compounds,

enabling accurate electrical characterization and process optimization.

SEKOA supplies Toho’s flagship systems, ECV Pro+ and HL9900, to customers in Korea and worldwide,

along with dedicated technical support tailored to diverse application needs.

Precision Electrical Characterization for Next-Generation Semiconductors


Toho Technology provides accurate and repeatable electrical measurements—such as mobility and carrier profiling—to support next-generation semiconductors in applications like smartphones, autonomous vehicles, and high-speed memory.

Toho Technology offers precise and repeatable electrical measurements across a wide range of semiconductor materials and wafers, supporting high-performance device applications such as smartphones, autonomous vehicles, and high-speed memory through accurate mobility and carrier profiling.

Toho Technology systems

Toho Technology offers advanced electrical measurement solutions for precise carrier concentration and mobility profiling in semiconductor materials. With high measurement repeatability and accuracy, Toho systems support next-generation applications in smartphones, autonomous vehicles, and high-speed memory—enabling better process control and device optimization across global markets.
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The road to electrical insight


Precision materials analysis for next-gen devices


Toho Technology specializes in precise electrical characterization including carrier profiling, mobility, and sheet resistance. Our solutions support advanced semiconductor applications—from smartphones to autonomous vehicles and high-speed memory—by enhancing process control and quality assurance.

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