ايزولا 370 ساعة: The Premier Choice for High-Reliability Applications
The electronics industry is continuously evolving, demanding materials that meet ever-increasing standards for reliability, thermal performance, and processing ease. Polyclad’s isola 370hr stands out as the industry-leading, standard loss, thermally robust epoxy laminate and prepreg designed specifically for high-reliability applications across diverse markets.
Innovative Design and Manufacturing
isola 370hr laminates and prepregs are manufactured using a patented high-performance 180°C Tg FR-4 multifunctional epoxy resin system. This unique system is tailored for multilayer PCB applications where maximum thermal performance and reliability are paramount. Polyclad employs high-quality E-glass fabric in the manufacturing process, ensuring superior Conductive Anodic Filament (المقهى) مقاومة.
Superior Thermal and Mechanical Properties
isola 370hr offers exceptional thermal performance with a Low Coefficient of Thermal Expansion (CTE). Its mechanical, كيميائية, and moisture resistance properties equal or exceed the capabilities of traditional FR-4 materials. The laminate’s CTE values are notably low, with a Z-axis CTE of 2.8% from 50 to 260°C, and X/Y-axis CTE of 13/14 ppm/°C pre-Tg. These attributes make isola 370hr ideal for applications requiring stringent thermal management and stability.
Proven Performance Across Various Designs
isola 370hr has been utilized in thousands of PWB designs, demonstrating its superiority in thermal reliability, أداء CAF, and ease of processing. Its proven performance in sequential lamination designs further solidifies its position as the best-in-class material for high-reliability applications.
Key Property Values and Test Methods
Glass Transition Temperature (تيراغرام) and Decomposition Temperature (TD)
- Glass Transition Temperature (تيراغرام) by DSC: 180°C
- Decomposition Temperature (TD) by TGA @ 5% weight loss: 340°C
These temperatures indicate isola 370hr’s exceptional thermal stability and durability.
Thermal and Mechanical Resistance
- Time to Delaminate by TMA (Copper removed):
- T260: 60 دقائق
- T288: 30 دقائق
- Z-Axis CTE:
- Pre-Tg: 45 ppm/°C
- Post-Tg: 230 ppm/°C
- 50 to 260°C (Total Expansion): 2.8%
- X/Y-Axis CTE (Pre-Tg): 13/14 ppm/°C
- Thermal Conductivity: 0.4 W/m·K
These properties ensure that isola 370hr can withstand extreme temperatures and mechanical stresses without compromising performance.
Electrical Performance
- ثابت العزل الكهربائي (DK) and Loss Tangent (ص):
- Dk @ 1 GHz: 4.17
- Df @ 1 GHz: 0.0161
- Volume Resistivity:
- After moisture resistance: 3.0 x 108 MΩ-cm
- At elevated temperature: 7.0 x 108 MΩ-cm
- Surface Resistivity:
- After moisture resistance: 3.0 x 106 MΩ
- At elevated temperature: 2.0 x 108 MΩ
- Dielectric Breakdown: >50 kV
- Arc Resistance: 115 ثواني
- Electric Strength (صفح & laminated prepreg): 54 kV/mm (1350 V/mil)
These electrical properties make isola 370hr suitable for applications requiring high electrical insulation and performance.
Mechanical Strength and Durability
- Flexural Strength:
- Length direction: 90.0 KSI
- Cross direction: 77.0 KSI
- Tensile Strength:
- Length direction: 55.9 KSI
- Cross direction: 35.6 KSI
- Young’s Modulus:
- Length direction: 3744 KSI
- Cross direction: 3178 KSI
- Poisson’s Ratio:
- Length direction: 0.177
- Cross direction: 0.171
- Peel Strength:
- Low profile copper foil: 1.14 ن / مم (6.5 lb/inch)
- Standard profile copper: 1.25 ن / مم (7.0 lb/inch)
- Moisture Absorption: 0.15%
These mechanical properties confirm isola 370hr’s robustness and durability, ensuring long-term performance in harsh environments.
Safety and Compliance
- Flammability (صفح & laminated prepreg): V-0 Rating (أول 94)
- Relative Thermal Index (RTI): 130°C (أول 796)
Compliance with these safety standards underscores isola 370hr’s reliability and suitability for high-risk applications.
خاتمة
isola 370hr is undeniably the industry leader in high-reliability applications, combining innovative design, superior thermal and mechanical properties, proven performance, and stringent safety compliance. Its versatility across diverse markets and applications makes it the preferred choice for engineers seeking the best-in-class material for their high-performance needs.