[INQ. NO. 2507M37] Since its establishment in 2001, Vision Technologies Co., Ltd. has specialized in parts using soft magnetic materials such as permalloy, nanocrystals, and electrical steel sheets.
Employing various press-machining methods like laminated bending, drawing, winding and cutting, the company’s products have been supplied to emerging industries such as electric vehicles and solar energy. They are also being furnished to specialized sectors of existing industries, like precision motors and industrial transformers.
Designated as an ‘Main-Biz’ company by the Korean government, the firm is focusing on exporting hall sensor cores, shields, Current Transformer (CT)/Zero-Current Transformer (ZCT) cores and stacked cores for motors.

Hall-sensor cores
Designed for high-speed, non-contact current detection in combination with magnetic-field sensors like hall sensors and current conductors, the maker’s permalloy-stacked cores undergo high-temperature a heat-treatment process.
Accordingly, they provide excellent material properties such as high linearity and low hysteresis. Widely applicable for transformers, transmitters, inductors, computer modems and precision motors, they effectively protect the sensors from parasitic magnetic fields caused by nearby conductors and other magnetic field sources.

Shields
Applicable to medical transformers, industrial transformers, electric vehicle charge ports, and energy storage systems (ESSs), the maker’s permalloy shields employ special alloy ideal for blocking magnetic fields.
They can therefore effectively prevent electromagnetic noise and interference, and protect devices with particularly sensitive electromagnetic fields. With these shields, customers can enjoy highly improved accuracy and stability of devices with sensitive electromagnetic fields.

CT/ZCT cores
The firm’s CT/ZCT cores are roughly classified into nanocrystalline, wound/gap/split and ring types.
Suitable for EMI/EMC filters and common mode choke coils, nanocrystalline cores provide properties similar with permalloy PC (80% nickel) products, and come with great price-competitiveness as well. Applicable mainly to industrial transformers, solar inverters, they come in both laminated- and cut-types.
With its own research and development institute, the company has acquired international quality-management certifications such as ISO 14001 and IATF 16949. Operating a global sales network, it is ready to solve customers’ technical issues.

 
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