[Case Study] Balancing Radio Communication and Metal Appearance
A new technology that solves the dilemma between "function" and "design"! Achieving high-transparency metallic exteriors for communication devices.
We would like to introduce a case study of tin vapor deposition in-mold, which achieves both radio communication and a metallic appearance. In this case, there was a dilemma of wanting to apply a luxurious metallic decoration, but traditional aluminum vapor deposition would block the device's radio waves. Therefore, we established a new decoration method that utilizes the characteristics of "discontinuous vapor deposition films" that allow radio waves to pass through. This has resulted in a highly transparent metallic exterior that does not interfere with 5G communication or wireless charging. 【Case Overview】 ■ Challenges Faced: Traditional aluminum vapor deposition blocks the device's radio waves ■ Solution: A new decoration method that leverages the characteristics of "discontinuous vapor deposition films" that allow radio waves to pass through ■ Value Created: Achieved a highly transparent metallic exterior for communication devices that does not hinder 5G communication or wireless charging *For more details, please download the PDF or feel free to contact us.
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**About Yoshida Techno Works** We are the world's first manufacturer to commercialize in-mold transfer molding, which utilizes plastic molding and decoration technology cultivated through cosmetic container manufacturing, allowing for simultaneous molding and transfer decoration. **Key Technologies** - Double in-mold molding that performs simultaneous decoration on both sides of the product - Hybrid molding that combines sheet inserts with in-mold techniques - Glass insert in-mold (GIM) molding that inserts reinforced glass into the mold, allowing for integrated molding of resin frames and decoration - Two-color in-mold molding that combines rotational two-color molding with in-mold transfer - Composite technology that integrates metal (such as SUS sheet metal and nuts) with in-mold molding - Real material (natural wood, fabric, synthetic leather, etc.) insert molding - Out-mold deep drawing decoration method (VSS) compatible with metal, glass, and resin