会社のニュース Liquid Silicone Rubber (LSR): The Invisible Enabler of Chip & Semiconductor Digital Infrastructure

Liquid Silicone Rubber (LSR): The Invisible Enabler of Chip & Semiconductor Digital Infrastructure

In an era where chips and semiconductors are the cornerstone of digital infrastructure, the exacting demands of manufacturing are driving Liquid Silicone Rubber (LSR) from the periphery to the core. Far beyond a simple auxiliary material, LSR has evolved into a strategic raw material for precision semiconductor manufacturing.

With the proliferation of 5G, IoT, and AI, semiconductor devices require extreme miniaturization and reliability. LSR meets these challenges with exceptional thermal stability (-60°C to 200°C), high light transmittance (over 95%), and an extremely low curing shrinkage rate (typically under 0.5%). These attributes make it an ideal encapsulant for sensitive components such as sensors, IGBT modules, and power semiconductors, providing crucial stress relief and environmental protection.

In wafer fabrication and automated testing, LSR is essential for high-purity seals and precision connectors. Leveraging Liquid Injection Molding (LIM) technology, manufacturers can achieve complex geometries with tolerances as tight as ±0.02mm. Cutting-edge injection molding machines are now capable of ultra-small shot volumes with an accuracy of 0.0005 cc, perfectly meeting the industry’s stringent standards for cleanliness and precision.

Market data strongly supports this trajectory. The Asia-Pacific region, the world’s fastest-growing LSR market with an 11% CAGR, is witnessing surging demand from electronics and semiconductor manufacturing hubs. As digital transformation accelerates, the synergy between high-performance LSR formulations and advanced molding technologies is providing indispensable support to the global chip industry—propelling semiconductor fabrication toward ever-higher standards of precision and reliability.