吉城光科学 List of Products and Services

We would like to introduce the inspection technology of Yoshikawa Optical Science. By improving the inspection environment and inspection technology, it is possible to detect defects in the order of a few micrometers through visual inspection. Additionally, we are advancing the automation of inspections using microscopes to eliminate human error, making it possible to satisfy customer needs. 【Main Equipment (Excerpt)】 ■ Laser Interferometer (with φ150 analysis device) ■ Laser Interferometer (φ60) ■ Autocollimator ■ Projector ■ Spectrophotometer ■ Laser Photometer *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract
• Contract Inspection

We would like to introduce the "deposition" technology of Yoshikawa Optical Science. We process from reflective mirrors to dichroic mirrors according to customer needs. Additionally, we conduct membrane design in-house to meet those needs. Starting with our original mirror (UHR), we are researching and developing coatings for substrates other than glass. 【Main Equipment (Excerpt)】 ■ Vacuum deposition machine (AL) ■ Vacuum deposition machine (φ1300) ■ Vacuum deposition machine (φ1900) IAD ■ Vacuum deposition machine (Ion Plating) IP ■ Large brush roll cleaning machine ■ Small brush roll cleaning machine *For more details, please refer to the PDF materials or feel free to contact us.

• Glass
• Processing Contract
• Evaporation Equipment

We introduce the polishing technology of Yoshikawa Optical Science. We provide double-sided polishing processing tailored to customer needs, from ultra-thin materials to thick ones. Since our establishment, we have offered polishing technology ranging from inexpensive polishing to high flatness polishing. 【Main Equipment (Excerpt)】 ■ 6B Double-Sided Sandblasting Machine ■ 9B Double-Sided Sandblasting Machine ■ 10.5B Double-Sided Sandblasting Machine ■ 12B Double-Sided Sand Replacement Machine ■ 18B Double-Sided Sand Replacement Machine ■ 21B Double-Sided Sand Replacement Machine *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract
• Wafer processing/polishing equipment

We introduce the cutting technology of Yoshikawa Optical Science. We process plate glass by selecting "cutting, grinding, or trimming" according to customer needs. We aim to improve our technology to enable cost-effective processing with dimensional tolerances and perpendicularity at an accuracy of 1/100. 【Main Equipment (Excerpt)】 ■ Large scriber ■ Medium scriber ■ Small scriber ■ Large beveling machine ■ Narrow beveling machine ■ Vertical beveling machine *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract
• Plastic processing machines (cutting and rolling)

Yoshikiyo Optical Science Co., Ltd. handles "parts for industrial machinery." We offer various optical thin film coatings not only for glass substrates but also for metal glass and metal substrates. High-density film formation achieves high durability. 【Products Offered】 ■ Encoders (metal glass) ■ Coating for metals *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract

At Yoshikawa Optical Science Co., Ltd., we handle "automotive components and mobile phones." To achieve product designs that are not available in standard products, we offer custom parts that enhance flexibility and meet specific requirements, such as film deposition that enables irregular processing or control of specific wavelengths. 【Products Offered】 ■ Flat mirrors / Concave mirrors ■ Half mirrors ■ ND filters ■ Cover glass *For more details, please refer to the PDF materials or feel free to contact us.

• Glass
• Processing Contract

At Yoshikijo Optical Science Co., Ltd., we handle "optical glass components." We coat high-precision polished glass substrates with metal or dielectric films using a vacuum deposition system. We provide optical glass components with optical characteristics and specifications tailored to your needs. 【Products Offered】 ■ Mirrors and glass for office equipment (MFP, LBP, scanners) ■ Mirrors and glass for medical devices ■ Mirrors and glass for surveying instruments *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract

At Yoshikiyo Optical Science Co., Ltd., our "integrated production" process, which encompasses cutting, polishing, and deposition from glass substrates, enables us to provide highly competitive products. By conducting integrated production of optical glass components such as mirrors and glass for surveying instruments, as well as parts for industrial machinery, we achieve high quality and low cost to satisfy our customers' needs. 【Business Overview】 ■ Primarily manufacturing and selling optical glass for OA equipment (high-precision reflective mirrors and cover glass for multifunction printers, printers, and scanners), as well as mirrors and glass for other optical devices (medical instruments, measuring instruments, automotive-related products, and other optical devices). ■ Processing and selling materials other than glass, such as coatings for metal and molded parts. *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Processing Contract