Information
17 Cheonheung 8-gil, Seonggeo-eup, Seobuk-gu, Cheonan, Chungcheongnam-do, South Korea
+82 41-555-5186
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Overview
- Summary
- QSI is a specialized manufacturer of compound semiconductors based on laser diode technology. The company possesses manufacturing technologies for Laser diodes, VCSELs, RF devices (MMIC), and Micro LEDs. QSI primarily sells finished laser diode products, while offering foundry services and device manufacturing for VCSELs, RF devices (MMIC), and Micro LEDs.QSI is a specialized manufacturer of compound semiconductors based on laser diode technology. The company possesses manufacturing technologies for Laser diodes, VCSELs, RF devices (MMIC), and Micro LEDs. QSI primarily sells finished laser diode products, while offering foundry services and device manufacturing for VCSELs, RF devices (MMIC), and Micro LEDs.
- Key Products/Technologies
- Laser Diode (LD): Red laser products with wavelengths from 635nm to 680nm and infrared (IR) laser products with wavelengths from 780nm to 940nm. Red lasers offer an output power range of 5mW to 100mW, and IR lasers provide up to 750mW (typically 5mW to 300mW). Various models, including MOCVD grown 850nm AlGaAs laser diodes (e.g., QL85D6SA). Capability to develop LD bars emitting up to 3.5kW.Laser Diode (LD): Red laser products with wavelengths from 635nm to 680nm and infrared (IR) laser products with wavelengths from 780nm to 940nm. Red lasers offer an output power range of 5mW to 100mW, and IR lasers provide up to 750mW (typically 5mW to 300mW). Various models, including MOCVD grown 850nm AlGaAs laser diodes (e.g., QL85D6SA). Capability to develop LD bars emitting up to 3.5kW.
- VCSEL (Vertical Cavity Surface Emitting Laser): Development of VCSEL products with wavelengths from 790nm to 940nm. Expertise in high-power VCSEL EPI growth technology, including tunnel junction growth and device fabrication. Design and manufacturing of Triple-Junction VCSEL Arrays, achieving outputs of 10W or more. Design and fabrication of Multi-junction VCSELs for LiDAR, 3D image sensors, and heating systems.VCSEL (Vertical Cavity Surface Emitting Laser): Development of VCSEL products with wavelengths from 790nm to 940nm. Expertise in high-power VCSEL EPI growth technology, including tunnel junction growth and device fabrication. Design and manufacturing of Triple-Junction VCSEL Arrays, achieving outputs of 10W or more. Design and fabrication of Multi-junction VCSELs for LiDAR, 3D image sensors, and heating systems.
- RF Devices (MMIC): Provision of MMIC Foundry Services based on active devices like HEMT and HBT, offering ultra-high frequency and ultra-low noise characteristics. The first company in Korea to implement InP-based RF foundry services. Application of InP p-HEMT based Gate Length 100nm technology, providing ultra-high frequency characteristics (Fmax over 300GHz) and excellent low-noise performance. Possession of indium gallium arsenide (InGaAs) based High Electron Mobility Transistor (HEMT) technology capable of operating in 4K cryogenic environments, achieving world-class high-frequency performance of 813GHz (fT) and 807GHz (fmax).RF Devices (MMIC): Provision of MMIC Foundry Services based on active devices like HEMT and HBT, offering ultra-high frequency and ultra-low noise characteristics. The first company in Korea to implement InP-based RF foundry services. Application of InP p-HEMT based Gate Length 100nm technology, providing ultra-high frequency characteristics (Fmax over 300GHz) and excellent low-noise performance. Possession of indium gallium arsenide (InGaAs) based High Electron Mobility Transistor (HEMT) technology capable of operating in 4K cryogenic environments, achieving world-class high-frequency performance of 813GHz (fT) and 807GHz (fmax).
- Micro LED: Provision of Epi foundry and device manufacturing services for high-efficiency Micro LEDs with red emission wavelengths for display light sources. Resolution of red Micro LED challenges through 3D stacking technology.Micro LED: Provision of Epi foundry and device manufacturing services for high-efficiency Micro LEDs with red emission wavelengths for display light sources. Resolution of red Micro LED challenges through 3D stacking technology.
- Core Advantages
- Securing a Total Solution that encompasses the entire process from chip design to packaging, all conducted in-house. This system is optimized for customized product manufacturing.Securing a Total Solution that encompasses the entire process from chip design to packaging, all conducted in-house. This system is optimized for customized product manufacturing.
- Continuous efforts to meet 100% of customer product requirements and rapid new technology development capabilities. A flexible supply chain offering customized wavelengths, outputs, and forms.Continuous efforts to meet 100% of customer product requirements and rapid new technology development capabilities. A flexible supply chain offering customized wavelengths, outputs, and forms.
- Establishment of a differentiated competitive edge in the precision laser market, traditionally dominated by large Japanese corporations, through advanced technology and flexible responsiveness.Establishment of a differentiated competitive edge in the precision laser market, traditionally dominated by large Japanese corporations, through advanced technology and flexible responsiveness.
- Production capability of world-class quality Laser diode products validated in the global market. Over 20 years of experience in laser diode technology.Production capability of world-class quality Laser diode products validated in the global market. Over 20 years of experience in laser diode technology.
- Acquisition of both advanced technology and a commercialization roadmap as a leading institution in national projects related to VCSEL and Flash LiDAR sensor modules. Expertise in 8-junction (8J) VCSEL-based high-power multi-channel light source technology.Acquisition of both advanced technology and a commercialization roadmap as a leading institution in national projects related to VCSEL and Flash LiDAR sensor modules. Expertise in 8-junction (8J) VCSEL-based high-power multi-channel light source technology.
- Entry into the 6G and satellite communication sectors through the implementation of Korea's first InP-based RF foundry service. This represents a next-generation semiconductor technology with ultra-high speed and low-noise characteristics.Entry into the 6G and satellite communication sectors through the implementation of Korea's first InP-based RF foundry service. This represents a next-generation semiconductor technology with ultra-high speed and low-noise characteristics.
- Target Industries
- Power tools, medical devices (medical, hair loss treatment devices, LASIK surgery, hair removal devices, spot removal devices).Power tools, medical devices (medical, hair loss treatment devices, LASIK surgery, hair removal devices, spot removal devices).
- Barcode scanners, laser printers (LBP), optical pickup units (CD, DVD players).Barcode scanners, laser printers (LBP), optical pickup units (CD, DVD players).
- Factory automation sensors, motion sensors, 3D sensing, 3D image sensors.Factory automation sensors, motion sensors, 3D sensing, 3D image sensors.
- LiDAR (industrial, autonomous vehicles, robot sensors), heating systems.LiDAR (industrial, autonomous vehicles, robot sensors), heating systems.
- 6G and satellite communication, millimeter-wave and terahertz band communication systems, defense and aerospace (radar, electronic warfare, satellite-mounted RF systems).6G and satellite communication, millimeter-wave and terahertz band communication systems, defense and aerospace (radar, electronic warfare, satellite-mounted RF systems).
- Display light sources (Micro LED), smart factories, robot vision.Display light sources (Micro LED), smart factories, robot vision.
- Major Markets
- South Africa (RF MPW service collaboration)South Africa (RF MPW service collaboration)
- Japan, China, Taiwan, Korea (domestic and clients)Japan, China, Taiwan, Korea (domestic and clients)
- Europe, GermanyEurope, Germany
- USAUSA
- Certifications/Patents
- Possession of ISO 9001, ISO 14001, ISO 45001 (Occupational Health and Safety Management System), and IATF 16949 certifications.Possession of ISO 9001, ISO 14001, ISO 45001 (Occupational Health and Safety Management System), and IATF 16949 certifications.
- Securing FDA Acknowledgement notice and chemical permits.Securing FDA Acknowledgement notice and chemical permits.
- Acquisition of patents related to semiconductor laser devices and their manufacturing methods (2007, 2010). Technology for realizing real refractive index waveguides by controlling ridge shape during high-power semiconductor laser fabrication.Acquisition of patents related to semiconductor laser devices and their manufacturing methods (2007, 2010). Technology for realizing real refractive index waveguides by controlling ridge shape during high-power semiconductor laser fabrication.
- Holding a total of 28 patents. Possession of over 10 registered patents related to laser diodes (as of June 2020).Holding a total of 28 patents. Possession of over 10 registered patents related to laser diodes (as of June 2020).
- Acquisition of a patent for a distance measurement system for autonomous vehicle LiDAR sensors.Acquisition of a patent for a distance measurement system for autonomous vehicle LiDAR sensors.
- Selection as one of the 'Top 100 Small but Strong Companies' in materials, parts, and equipment (2020). Designation as a 'Hidden Champion' (2010). Awarded the 'Ten Million Dollar Export Tower' (2004). Certified as a 'World-Class Product' (2005).Selection as one of the 'Top 100 Small but Strong Companies' in materials, parts, and equipment (2020). Designation as a 'Hidden Champion' (2010). Awarded the 'Ten Million Dollar Export Tower' (2004). Certified as a 'World-Class Product' (2005).
Introduction
Location
17 Cheonheung 8-gil, Seonggeo-eup, Seobuk-gu, Cheonan, Chungcheongnam-do, South Korea
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