بررسی عملکرد جذب خط انتقال ریزموج چاپشده به روش جوهرافشانی در باند S
محورهای موضوعی : مهندسی برق و کامپیوتر
محمد مومنی نسب
1
(دانشگاه یزد)
سیدمنصور بیدکی
2
(دانشگاه يزد)
محسن هادی زاده
3
(دانشگاه یزد)
مسعود موحدی
4
(دانشگاه یزد)
کلید واژه: خط انتقالچاپ جوهرافشانجوهرهای واکنشینانو ذرات نقرهریزموج,
چکیده مقاله :
فناوری چاپ جوهرافشان یکی از نویدبخش‌ترین روش‌های چاپ است که ساخت الگوهای رسانا را در یک مرحله و به طور مستقیم امکان‌پذیر کرده است. در این پژوهش با به کارگیری جوهرهای واکنش‌دهنده بر پایه آب و روش چاپ جوهرافشان، خط انتقال ریزموج بر روی زیرلایه راجرز C4003RO ساخته شد. ساختار انتقال ریزموج ساخته‌شده شامل خط نقره‌ای چاپشده به روش جوهرافشان، لایه دی‌الکتریک و صفحه فلزی زمین است. میزان رسانایی خط چاپشده به روش چهار الکترود تماسی اندازه‌گیری شد. نرخ جذب امواج الکترومغناطیسی خط انتقال چاپشده با توجه به میزان رسانایی محاسبه‌شده، با نرم‌افزار شبیه‌ساز ساختارهای فرکانس بالا، شبیه‌سازی گردید که هم‌خوانی بسیار خوبی را با نرخ جذب اندازه‌گیری شده در گستره فرکانس GHz 4-2 (باند S) دارد.
Ink-jet printing technology is one of the most promising printing techniques enabling fabrication of conductive patterns in a one-step and direct process. In this study, a microwave transmission line is fabricated on RO4003C substrate using water-based reactive inks and ink-jet printing technique. The fabricated transmission line structure includes an ink-jet printed silver line, a dielectric layer, and a continuous metallic ground plate. The conductivity of the printed line is measured using Four-point probe method. The electromagnetic wave absorption rate of the printed transmission line is simulated according to the measured conductivity, which proves a good agreement with the measured absorption rate at S band (2-4 GHz frequency range).
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