F4BME-1/2: Advanced Microwave PCB Laminate Overview
F4BME-1/2 is a high-performance microwave circuit board laminate crafted by laminating varnished glass cloth with Teflon (ПТФЭ) смола, following stringent scientific formulations and technology processes. This product offers significant enhancements over the F4BM series in terms of electrical performance and passive intermodulation indicators.
Технические спецификации
Появление & Согласие
- Встречает: National and Military Standards for microwave PCB laminates.
Типы доступны
- F4BME217, F4BME220, F4BME245, F4BME255, F4BME265, F4BME275, F4BME285, F4BME295, F4BME300, F4BME320, F4BME338.
Размеры & Customization
- Standard sizes range from 300x250mm to 1500x1000mm.
- Custom sizes: Доступно по запросу.
Толщина & Толерантность
- Ranges from 0.25mm to 12.0mm, inclusive of copper thickness.
- Tolerances vary from ±0.025mm to ±0.20mm based on thickness.
Механические свойства
- Деформация: Dependent on thickness, max warp varies from 0.010mm to 0.050mm.
- Сила резания/удара: No burrs for <1mm thick boards; delamination-free punching holes spaced min 0.55mm for <1мм, 1.10mm for >1mm thick boards.
- Прочность на очистку: Under normal conditions ≥16N/cm; after environmental stress testing, ≥12N/см.
Химическая устойчивость
- Suitable for standard PCB etching methods without altering dielectric properties.
- Requires sodium or plasma treatment for plating through holes.
- Hot Air Level temperature must not exceed 253°C and cannot be repeated.
- Плотность: 2.1-2.35 G/CM³.
- Влажно -поглощение: ≤0.08% after 24hrs in distilled water at 20±2°C.
- Operating Temperature Range: -50°C to +260°C.
- Теплопроводность: 0.3-0.5 W/mK.
- Коэффициент термического расширения (КТР): Varies with dielectric constant and temperature range.
- Коэффициент усадки: ≤0.0002% in boiling water for 2hrs.
- Поверхность & Объемный удельное сопротивление: High under both normal and controlled humidity/temperature conditions.
- Диэлектрическая проницаемость & Коэффициент рассеяния: Detailed values provided for various frequencies and types.
- PIMD (Passive Intermodulation Distortion): -158 dBc @ 2.5GHz.
For further details or inquiries about F4BME-1/2, click here.