Definition

Isola is a major manufacturer of copper-clad laminates and prepregs. Their products include IS400 series (standard and high-Tg FR-4), 370HR (high-reliability FR-4), I-Tera MT40 (low-loss for high-speed digital), and Astra MT77 (ultra-low-loss thermoset). Isola materials are widely used in commercial, automotive, and telecommunications applications. They offer comprehensive Dk and stackup documentation useful for impedance calculations.