We will be exhibiting at the Adhesive and Bonding Technology Exhibition 2024 held on May 24, 2024.

This is a surface treatment technology that dramatically improves the adhesion of fluororesin films and polyimide films, which have been considered difficult to bond until now.

At Kawamura Industries, we apply plasma treatment to films, metal foils, non-woven fabrics, and more, performing surface modification such as hydrophilization and hydrophobicity. This process significantly improves the adhesion of various films and allows for the removal and purification of organic substances from the substrate surface. It can effectively remove residues such as rolling oils that are difficult to completely eliminate with wet cleaning. Additionally, it is possible to bond various materials together without the use of adhesives. **Features of Kawamura Industries' 'Vacuum Plasma Treatment':** - Dramatically improves adhesion - Effectively removes rolling oils and organic substances, purifying the surface - Allows for adhesive-free bonding of various materials - Selects suitable gas types and plasma treatment conditions for each project - Treatment effects last for an extended period - Continuous processing is possible with roll-to-roll technology *For more details, please refer to the PDF document or feel free to contact us.*

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Achieving adhesive-free laminating processing through the integration of plasma treatment technology!

At Kawamura Industries, we perform thermal lamination processing using large press equipment and continuous thermal lamination devices. This is carried out in a clean room, and adhesive-free lamination processing of materials treated with plasma is also possible. Please feel free to consult us regarding contract processing! 【Features of Kawamura Industries' 'Thermal Lamination'】 　■ High-temperature bonding (Max 400℃) of sheet materials, etc., is possible using vacuum thermal press equipment. 　■ Roll-to-roll bonding is possible using continuous thermal lamination equipment. *For more details, please refer to the PDF materials or feel free to contact us.

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The "vacuum hot press," which can also perform surface treatment in the previous process, and the "coating" technology for metal foils are suitable for the processing of electronic materials such as substrates for 5G and base materials for planar heating elements!

Kawamura Industries develops and manufactures materials for electronic applications and provides associated processing technologies. We will introduce technologies that have been adopted for substrates for 5G and materials for planar heating elements. 【Our Technology: Electronic Materials - Strengths of Vacuum Hot Press Coating Technology】 ■ Vacuum Hot Press In prototype and mass production using vacuum hot pressing, we can press without adhesives, allowing us to better utilize the inherent properties of the materials. (Note: We can also accommodate laminated products with adhesives.) - We have a large number of pressing machines, capable of handling various sizes and temperatures. - There are pressing machines installed in a cleanroom environment. ■ Resin Coating on Metal Foil Although we operate in a contract processing format, we can combine "metal foil + high-temperature treatment." - Our coating drying oven can handle temperatures up to 260°C, allowing for the drying of high-boiling point solvents. - We can also accommodate polyimide coating with a high-temperature curing oven that can handle up to 400°C. Including material procurement, we provide consistent support from small lots and prototypes to mass production, so please feel free to contact us. * We are currently publishing an introduction document summarizing what Kawamura Industries can do! You can view it immediately from [PDF Download].

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Presentation of 4 technical introduction materials: We respond from prototyping to mass production! We also support material procurement. We can accommodate electronic materials that require high functionality, such as those for 5G products.

At Kawamura Industries, we create and provide electronic materials with various functions by integrating slit processing, plasma surface treatment, sputtering processing, thermal lamination, and more. We can handle everything from prototyping to mass production, including material procurement. We also welcome inquiries for small lot requests. 【Our Technologies】 ■ Slit Processing With about 50 years of extensive experience, we can accommodate slit widths from 2mm to 2,000mm. We can process not only in clean rooms but also in yellow rooms. ■ Plasma Surface Treatment Effective for improving the adhesion of low-adhesion films like fluorine films. Our roll-to-roll equipment allows for rapid mass production startup. ■ Thermal Lamination We have a vacuum thermal press capable of handling high temperatures up to 400°C within a clean room. Our laminating machines can also operate in a clean environment from the preparation stage. ■ Sputtering Deposition We possess roll-to-roll equipment. In collaboration with partner companies, we can also perform electrolytic copper plating on sputtered films using roll-to-roll methods. *You can view technical documents and introductory materials regarding the above processing technologies from the "PDF Download" section. Please feel free to contact us with any inquiries.

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It is a heat-resistant laminated board that is laminated and integrated without adhesive using polyimide film.

Kawamura Industries' "Polyimide Laminate (PI-Plate)" is a laminate made by laminating and thermally bonding polyimide film that has been activated on its surface through plasma treatment. 【Features of Kawamura Industries' "Polyimide Laminate"】 　■ Excellent heat resistance due to being adhesive-free 　→ Continuous: 200°C / Short-term: 400°C 　■ Exhibits excellent mechanical properties derived from polyimide film 　■ Laminate can be produced in sizes up to 480mm × 1,100mm 　■ Maximum thickness of 10mm (proven) 　※ Please feel free to consult us regarding thicknesses over 10mm. ※ For examples of properties, please refer to the PDF document or feel free to contact us.

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It is a material with excellent heat resistance, oil resistance, and hydrolysis resistance, eliminating the need for adhesives. Suitable for insulation applications in EV/HEV vehicles!

Kawamura Industries' "Namil" is a material that is directly bonded without the use of adhesives, thanks to our unique plasma surface treatment and thermal lamination technology. Since it is produced through a process that does not use any adhesives or solvents, there are no emissions of volatile organic compounds (VOCs), contributing to the reduction of environmental impact on the Earth. By using aramid paper on both sides, we enhance heat resistance and varnish impregnation, and by using PPS film for the intermediate layer, we improve hydrolysis resistance. It is also possible to produce a high heat-resistant grade using polyimide film for the intermediate layer. **Features of Kawamura Industries' "Namil":** - Excellent heat resistance due to the absence of adhesives - Thin and excellent thermal conductivity due to the absence of adhesives - Superior varnish impregnation due to the use of aramid paper on the surface - Excellent oil resistance and hydrolysis resistance. *For more details, please refer to the PDF document or feel free to contact us.*

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We will introduce the implementation results of the sensor technology developed by the Hotron Group, which has been cultivated over more than half a century, through customer case studies. In addition to automatic door sensors, we also offer a wide range of vehicle detection sensors and nursing/care sensors. We have many implementation examples available, so please take a look at the case study page.

To customers considering the introduction of vehicle detection sensors for parking lot construction, design, or management: Are you facing any challenges with current issues or selecting the right sensors for parking management? Hotron offers free materials that explain how to utilize vehicle detection sensors and the benefits of their introduction! ▽ Here is the lineup of materials ◉ Vehicle Detection Sensor Basic Guide This guide focuses on the challenges and solutions in parking lot operations, introducing the overview of vehicle detection sensors. ◉ Key Points for Introducing Vehicle Detection Sensors This material discusses the benefits of introduction based on installation locations and specific challenges. ◉ Case Studies of Vehicle Detection Sensor Implementation This document presents the challenges before implementation and the results after introduction. For more details, please download from our website and check it out. https://www.hotron.co.jp/download/

We sincerely apologize for the inconvenience, but we will be closed for the year-end and New Year holidays during the following period. Closure period: December 30 (Tuesday) to January 4 (Sunday) We will resume normal operations on January 5 (Monday), 2024. We appreciate your understanding during this time and thank you for your patronage this year. We wish you all happiness and prosperity. We will continue to strive to provide better services in the new year. Aitec System Co., Ltd.

Artificial wood "Ayagi" has various advantages, and its benefits are not only for adults and children but also kind to pets, who are members of the family. This time, we will introduce the reasons why a wooden deck made from artificial wood "Ayagi" is recommended for those living with pets. Please see the related information below for more details.

Thank you for your continued support. We would like to inform you about our year-end and New Year holiday period as follows: <Year-end and New Year Holiday Period> From Saturday, December 27, 2025, to Sunday, January 4, 2026. Inquiries during the holiday period will be addressed sequentially starting from Monday, January 5, 2026. Perry Japan Co., Ltd.