WEMAS Co., Ltd. is a fine chemical company established in 2000, specializing in the research, development, and production of electronic materials and optical materials, including photoacid generators (PAG), a key raw material for semiconductor photoresists. Based on accumulated organic synthesis technology, the company supplies high-performance chemical materials essential for the semiconductor, display, and optical industries.

"WEMAS Co., Ltd. is a fine chemical company specializing in the research, development, and production of electronic materials and optical materials, including photoacid generators (PAG), a key raw material for semiconductor photoresists. Since its establishment in 2000, based on accumulated organic synthesis technology, the company has been supplying high-performance chemical materials essential for the semiconductor, display, and optical industries. In particular, through proprietary technology based on numerous patents, it has succeeded in localizing key materials that enhance the efficiency of semiconductor micro-processes. Recently, the company has been expanding its business into high-refractive index lens materials used in smartphones and automotive cameras, and next-generation display materials, pursuing sustainable growth."

Business Areas

• Electronic Materials for Semiconductors (PAG): We develop and produce photoacid generators (PAG), a core component of photoresists (PR) used in the photolithography process to form microcircuits on semiconductor wafers. WEMAS possesses proprietary technology for synthesizing high-purity PAG for KrF and ArF.
• Optical and Display Materials: We are expanding our business into high-refractive index lens materials used in smartphones and automotive cameras, and next-generation display materials, pursuing sustainable growth.

Products

• Photoacid Generator (PAG): A key raw material for semiconductor photoresists, it is a high-performance chemical that generates acid upon receiving light energy, inducing a chemical reaction to form fine circuit patterns on a wafer.
• TAG: One of the main products listed in WEMAS Co., Ltd.'s product introduction.
• Special Monomer: One of the main products listed in WEMAS Co., Ltd.'s product introduction.

Special Notes

• Proprietary core technology and patent holdings: Through proprietary technology based on numerous patents, we have succeeded in localizing key materials that enhance the efficiency of semiconductor micro-processes. This forms the basis for securing a differentiated competitive advantage in the field.
• Technological completeness and commercialization capabilities: We demonstrate strengths in technological completeness and commercialization capabilities compared to major competitors, and our expertise in this field is confirmed through our patent portfolio and project execution history.
• Continuous R&D investment: Based on proprietary core technology, we are expanding our technology portfolio through continuous R&D investment, thereby pursuing sustainable growth.

Recruitment Information

• Main Hiring Positions: We primarily recruit for positions such as organic synthesis researchers, production line employees, quality managers, material logistics managers, finance and accounting managers, semiconductor engineers, chemical engineers, R&D researchers, and health managers.
• Benefits: We provide National Pension, Employment Insurance, Industrial Accident Compensation Insurance, Health Insurance, and Accident Insurance, and operate a 5-day work week and annual leave system. We support severance pay, children's education expenses, holiday work allowances, and offer welfare benefits such as job skill improvement training, health check-ups, lunch support, and work uniform support.

💡 A Word from JobPloy
WEMAS Co., Ltd. is a fine chemical company in the field of semiconductor material chemistry, with many positions related to organic synthesis and production. For foreign workers, a precise understanding of chemical processes and adherence to safety regulations are important, and continuous learning and efforts to acquire technical skills are required in R&D and production sites.