3 BOYUTLU YAZICI TEKNOLOJİSİ İLE BİR MİKROŞERİT YAMA ANTENİN MALİYET ETKİN ÜRETİMİ

Günümüz iletişim sistemlerinde yaygın olarak kullanılan anten modellerinden biri mikroşerit yama antendir. Mikroşerit yama antenler düzlemsel yapılara sahip olmaları nedeni ile birçok kablosuz haberleşme uygulamasında kullanılmaktadırlar. Bu yapılar genellikle düşük maliyetli olması için; düşük hassasiyetli, çevreye zararlı ve sağlık riski taşıyan bakır eritme perhidrol tuz ruhu yöntemi veya maliyeti çok daha yüksek, çevreye daha az zararlı ve daha düşük üretim hatası olan mekanik kazıma veya lazer kesim tekniği ile üretilmektedir. Son yıllarda hızlı, doğruluğu yüksek ve düşük maliyetli üretim işlemi için geliştirilen yeniliklerden biri, 3 boyutlu (3B) yazıcı teknolojisidir. Bu çalışma kapsamında, 3B yazıcı teknolojisinde en yaygın kullanılan tekniklerden biri olan Eritilmiş Dökme Modelleme teknolojisi kullanılarak geleneksel bakır eritme, kazıma veya lazer kesim üretim teknikleri yerine, maliyeti düşük, hassasiyeti yüksek ve çevre dostu bir üretim tekniği sunulmuştur. Bu kapsamda tipik bir mikroşerit yama anten modeli 3B elektromanyetik benzetim ortamı CST de oluşturulmuştur. Tasarıma ait performans kriterleri incelendikten sonra uygun tasarım modelinin 3B yazıcı teknolojisi ile üretimi gerçekleştirilip deneysel sonuçlarının benzetim sonuçları ile kıyaslanması yapılmıştır. Üretilen anten modelinin 2.45GHz frekansında geri dönüş kaybı -15 dB ve kazancı 7.1 dBi olarak ölçülmüştür. Böylelikle kullanımı ile hızlı, çevre dostu, sağlığa tehdidi olmayan, ulaşılabilinir, maliyet etkin hassasiyeti yüksek tasarımların gerçekleştirilebileceği görülmüştür.

Anahtar Kelimeler:

3 boyutlu yazıcı, Maliyet etkin üretim, Mikroşerit anten, Değişken Di-elektrik

COST EFFICIENT PROTOTYPING OF MICROSTRIP PATCH ANTENNA USING 3D PRINTING TECHNOLOGY

Microstrip patch antenna is one of the commonly used antenna model in today’s technology. Due to their planar structure, microstirp antenna are being used in many wireless communication application. Commonly during the prototyping process of these stages, either methods with low cost that has low accuracy, and have hazardous effect both on environment and human health such as melting copper with hydrochloric acid and perhydrol or methods with lesser prototyping error at the expanse of high cost values like mechanic milling or laser cutting are being used. 3D printing technology is one of the recent innovation for fast, accurate and low cost prototyping. Herein, a low cost, accurate and environmental friendly prototyping method by using Fused Deposition Modelling (FDM), is presented instead of the traditionally prototyping methods such as melting copper with acid, milling and laser cutting. Thus, firstly a typical microstrip patch antenna design had been modelled in 3D electromagnetic simulation CST. After the analyst stage of the antenna models performance criteria’s, the antenna design with optimally selected parameters had been prototyped with 3D printer for comparison of measured and simulated results. The prototyped antenna model achieves a return loss characteristics of -15dB and Gain 7.1 dBi at 2.45 GHz. As it can be seen from the obtained results, with the proposed 3D printing technology for the prototyping of planar antenna or similar circuit stages it is possible to realize these designs with a fast, environmental friendly, non-hazardous, reachable, cost efficient and high accuracy method.

Keywords:

3D printer, Cost efficient prototyping, Microstrip antenna, Variable dielectric constant,

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