Justek, The Republic of Korea - Komachine Supplier Profile and Product List

- Justek, established in 1999, is a company that pioneered the linear motor manufacturing business in Korea, developing and commercializing essential core components and systems for motion control in semiconductor, flat panel display production, and high-precision printing equipment. The company provides ultra-precision motion control solutions including high-performance linear motors, rotary DD motors, motion stages, servo drivers, and multi-axis controllers, contributing to the development of Korea's electronic materials industry. Justek focuses on advanced technology development in digital control and measurement, integrated with micro and nano-scale optical technology, securing a technological edge in motion drive and application systems. Recently, the company has expanded its technological application to the space industry, including satellite attitude control motors.Justek, established in 1999, is a company that pioneered the linear motor manufacturing business in Korea, developing and commercializing essential core components and systems for motion control in semiconductor, flat panel display production, and high-precision printing equipment. The company provides ultra-precision motion control solutions including high-performance linear motors, rotary DD motors, motion stages, servo drivers, and multi-axis controllers, contributing to the development of Korea's electronic materials industry. Justek focuses on advanced technology development in digital control and measurement, integrated with micro and nano-scale optical technology, securing a technological edge in motion drive and application systems. Recently, the company has expanded its technological application to the space industry, including satellite attitude control motors.
- **Linear Motors**: Offers coreless (JTKL) and iron-core (JTKC) linear motors, with coreless types suitable for precision motion due to minimal cogging, providing a maximum thrust range of 30N-3000N for light to medium loads and high-speed repetitive motion. Iron-core types feature minimized cogging through proprietary design, generating greater thrust relative to their volume, with a maximum thrust range of 78N-2400N. Specialized products like ceramic air bearing linear motors and waterproof linear motors are also developed.**Linear Motors**: Offers coreless (JTKL) and iron-core (JTKC) linear motors, with coreless types suitable for precision motion due to minimal cogging, providing a maximum thrust range of 30N-3000N for light to medium loads and high-speed repetitive motion. Iron-core types feature minimized cogging through proprietary design, generating greater thrust relative to their volume, with a maximum thrust range of 78N-2400N. Specialized products like ceramic air bearing linear motors and waterproof linear motors are also developed.
- **Rotary DD Motors (Direct Drive Motors)**: Includes various series such as JTR11, JTR15, JTR16, JTR24, and JTR30, suitable for high-torque and high-resolution systems. The JTR24 series, with an outer diameter of 240mm and a 52mm hollow, features a thin design for high space efficiency and achieves high precision through the adoption of optical encoders. The JTR30 series, utilizing Renishaw's ATOM RCDM rotary encoder system, achieves an accuracy of ±30 arc sec and a repeatability of ±2 arc sec.**Rotary DD Motors (Direct Drive Motors)**: Includes various series such as JTR11, JTR15, JTR16, JTR24, and JTR30, suitable for high-torque and high-resolution systems. The JTR24 series, with an outer diameter of 240mm and a 52mm hollow, features a thin design for high space efficiency and achieves high precision through the adoption of optical encoders. The JTR30 series, utilizing Renishaw's ATOM RCDM rotary encoder system, achieves an accuracy of ±30 arc sec and a repeatability of ±2 arc sec.
- **Motion Stages**: Develops multi-axis motion stages for ultra-precision positioning systems, including mini stages (JSAH), vertical precision positioning stages, frame-base gantry stages, air bearing stages, and aligning stages. These stages come in various types such as gantry, hybrid, and cross types, applied in PCB, FPD, semiconductor production equipment, inspection, and scanning systems. Frame-base gantry stages, designed without granite bases, achieve weight reduction, cost savings, and shorter delivery times while improving performance, making them suitable for high-speed repair and inspection devices.**Motion Stages**: Develops multi-axis motion stages for ultra-precision positioning systems, including mini stages (JSAH), vertical precision positioning stages, frame-base gantry stages, air bearing stages, and aligning stages. These stages come in various types such as gantry, hybrid, and cross types, applied in PCB, FPD, semiconductor production equipment, inspection, and scanning systems. Frame-base gantry stages, designed without granite bases, achieve weight reduction, cost savings, and shorter delivery times while improving performance, making them suitable for high-speed repair and inspection devices.
- **Servo Drivers and Controllers**: DSP-based full-digital servo drivers (JSMD-02, JSMD-03) are optimized for linear motors, enabling precise motion control through digital current control based on space voltage vectors. These drivers, along with multi-axis controllers, are essential components for building high-precision motion systems.**Servo Drivers and Controllers**: DSP-based full-digital servo drivers (JSMD-02, JSMD-03) are optimized for linear motors, enabling precise motion control through digital current control based on space voltage vectors. These drivers, along with multi-axis controllers, are essential components for building high-precision motion systems.
- **Pioneering Linear Motor Technology in Korea**: As the first company in Korea to embark on linear motor manufacturing in 1999, it has established itself as a leader in this field. The company's technological prowess was recognized with the Minister of Knowledge Economy Award at the Korean Precision Industry Technology contest in 2010.**Pioneering Linear Motor Technology in Korea**: As the first company in Korea to embark on linear motor manufacturing in 1999, it has established itself as a leader in this field. The company's technological prowess was recognized with the Minister of Knowledge Economy Award at the Korean Precision Industry Technology contest in 2010.
- **Localization and Advancement of Ultra-Precision Motion Control Technology**: Successfully localized ultra-precision nano-level motion stages for semiconductor and display mass production processes, and satellite attitude control motors, which are subject to ITAR regulations. This significantly contributes to strengthening the supply chain stability and technological self-reliance of Korea's semiconductor, display, and space industries.**Localization and Advancement of Ultra-Precision Motion Control Technology**: Successfully localized ultra-precision nano-level motion stages for semiconductor and display mass production processes, and satellite attitude control motors, which are subject to ITAR regulations. This significantly contributes to strengthening the supply chain stability and technological self-reliance of Korea's semiconductor, display, and space industries.
- **Broad Industrial Applications and Customized Solutions**: Possesses technology applicable to high-value-added future industries such as satellites, planetary exploration rover motors, and medical precision diagnostic equipment, in addition to semiconductors, FPDs, and high-precision printing equipment. The company's capability to provide customized solutions, including DD motors, rotary tables, and linear stages, meets diverse customer requirements.**Broad Industrial Applications and Customized Solutions**: Possesses technology applicable to high-value-added future industries such as satellites, planetary exploration rover motors, and medical precision diagnostic equipment, in addition to semiconductors, FPDs, and high-precision printing equipment. The company's capability to provide customized solutions, including DD motors, rotary tables, and linear stages, meets diverse customer requirements.
- **Strong R&D Capabilities and Industry-Academia Collaboration**: Invests over 5% of its revenue in R&D and leads numerous national research projects. It employs highly qualified research personnel, including Ph.D. and Master's degree holders in mechanical, electrical, control, and computer engineering, and operates an industry-academia cooperation system with leading universities and research institutes like Seoul National University and KIST. Recent technology transfer of core linear motor control technology from Korea University of Engineering and Technology further strengthens its technological collaboration.**Strong R&D Capabilities and Industry-Academia Collaboration**: Invests over 5% of its revenue in R&D and leads numerous national research projects. It employs highly qualified research personnel, including Ph.D. and Master's degree holders in mechanical, electrical, control, and computer engineering, and operates an industry-academia cooperation system with leading universities and research institutes like Seoul National University and KIST. Recent technology transfer of core linear motor control technology from Korea University of Engineering and Technology further strengthens its technological collaboration.
- **Global Market Experience and Partnerships**: Possesses extensive experience in installing and operating products directly in production lines of leading domestic and international companies in Korea, Japan, the USA, Israel, and Taiwan. Established collaborative relationships with global business partners such as Hitachi, Samsung Electronics, Samsung SDI, LG-Phillips, and AU Optronics.**Global Market Experience and Partnerships**: Possesses extensive experience in installing and operating products directly in production lines of leading domestic and international companies in Korea, Japan, the USA, Israel, and Taiwan. Established collaborative relationships with global business partners such as Hitachi, Samsung Electronics, Samsung SDI, LG-Phillips, and AU Optronics.
- Semiconductor Production Equipment Industry: Precision motion control systems essential for semiconductor manufacturing processes.Semiconductor Production Equipment Industry: Precision motion control systems essential for semiconductor manufacturing processes.
- Flat Panel Display (FPD) Production Equipment Industry: Precision motion control systems for advanced FPD manufacturing equipment, including OLED and QLED.Flat Panel Display (FPD) Production Equipment Industry: Precision motion control systems for advanced FPD manufacturing equipment, including OLED and QLED.
- High-Precision Printing Equipment Industry: Printing machines requiring precise movement and control.High-Precision Printing Equipment Industry: Printing machines requiring precise movement and control.
- Industrial Equipment and Factory Automation Industry: Various industrial equipment and automation facilities requiring high-precision, high-acceleration positioning systems.Industrial Equipment and Factory Automation Industry: Various industrial equipment and automation facilities requiring high-precision, high-acceleration positioning systems.
- Space Industry: High-value-added space technology fields such as satellite attitude control motors, planetary exploration rover motors, and space laser communication.Space Industry: High-value-added space technology fields such as satellite attitude control motors, planetary exploration rover motors, and space laser communication.
- Medical Precision Diagnostic Equipment Industry: Medical devices requiring precise movement and control.Medical Precision Diagnostic Equipment Industry: Medical devices requiring precise movement and control.
- Inspection and Scanning Systems: PCB, FPD, and semiconductor inspection and scanning systems.Inspection and Scanning Systems: PCB, FPD, and semiconductor inspection and scanning systems.
- South Korea, Japan, Taiwan, IsraelSouth Korea, Japan, Taiwan, Israel
- USAUSA
- ISO9001:2008 certification obtained (2010)ISO9001:2008 certification obtained (2010)
- Achieved 'A' grade in technology evaluation (for KOSDAQ technology special listing for materials, parts, and equipment)Achieved 'A' grade in technology evaluation (for KOSDAQ technology special listing for materials, parts, and equipment)
- Received excellent evaluation for the completeness of core technologies such as high-performance motion technology and smart motion technology, commercialization level, and market competitivenessReceived excellent evaluation for the completeness of core technologies such as high-performance motion technology and smart motion technology, commercialization level, and market competitiveness
- Possession of core linear motor control technology and technology transfer from Korea University of Engineering and TechnologyPossession of core linear motor control technology and technology transfer from Korea University of Engineering and Technology
- Development of foundational technologies including vibration damping technology, position sensing modules, encoder signal processing technology, and network motion solutionsDevelopment of foundational technologies including vibration damping technology, position sensing modules, encoder signal processing technology, and network motion solutions