ISOLA Material
Isola is a leader of PCB material manufacturing. With more than a century creating different kind of materials for various purposes, Isola now offer materials for Automotive/ Medical, Industrial&Instrumentation/ Consumer Electronics/ Networking&Cummunications/ Aerospace& Defense/ Computing, Storage&Peripherals/ Radio Frequency Microwave.
Halogen
Halogen Free
Isola provides a significant performance boost over standard FR-4 substrates by offering superior thermal reliability, exceptional signal integrity for high-speed designs, and outstanding resistance to manufacturing defects. Manufactured by the Isola Group, these high-performance copper-clad laminates and dielectric prepregs are specifically engineered for demanding, harsh-environment applications like automotive, aerospace, AI data centers, and telecommunications.
The core advantages of using Isola materials are structured below:
1. High Thermal Reliability
- Elevated Glass Transition Temperature (Tg): Many Isola laminates feature a high Tg exceeding 170°C to 180°C (and up to 280°C for ultra-high-frequency options like Tachyon). This ensures the material remains rigid and stable at extreme temperatures.
- Lead-Free Assembly Compatibility: With high decomposition temperatures (Td > 340°C), they easily survive the intense heat of modern, lead-free reflow soldering without blistering or delaminating.
- Low Coefficient of Thermal Expansion (CTE): Their low Z-axis CTE minimizes expansion during heating. This protects plated through-holes (PTHs) and microvias from cracking during thermal cycling.
2. Superior Signal Integrity (Low Electrical Loss)
- Stable Dielectric Constant (Dk): Isola substrates maintain a stable Dk across a wide range of frequencies and temperatures. This allows for precise impedance control in RF and microwave designs.
- Low Dissipation Factor (Df): Specialized materials like Astra MT77 and Tachyon exhibit an ultra-low Df (down to 0.001). This significantly reduces signal attenuation and energy loss in high-frequency (>20 GHz) and high-speed digital paths.
3. Excellent Mechanical Robustness & Longevity
- CAF Resistance: Isola uses advanced resin formulations that offer industry-leading resistance to Conductive Anodic Filament (CAF) growth. This prevents internal electrical shorts in high-density interconnect (HDI) designs where spacing is tight.
- Low Moisture Absorption: These laminates resist humidity. This preserves their electrical insulation properties even when operating in damp or harsh industrial environments.
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