期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 12, 期 -, 页码 1351-1354出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2013.2286003
关键词
Flexible substrates; inkjet printing; inkjet-printed antennas; millimeter-wave; multilayer antenna
资金
- NSF
- NEDO
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1231963] Funding Source: National Science Foundation
Flexible inkjet-printed proximity-fed patch antennas, designed for the 24-GHz Industrial, Scientific, and Medical (ISM) band, are demonstrated in this letter for the first time featuring a multilayer inkjet deposition process. Inkjet printing of antennas allows for the low-cost, noncontact, and additive fabrication of RF components onto nearly any host substrate or package. The inkjet-printing process exhibited in this leter is the first inkjet process to demonstrate multilayer printed antennas, enabled by a new printable dielectric ink that allows for the deposition of thick dielectric layers. Printed coupled patch antennas with realized gains of over 4 dBi and four-element coupled patch arrays with gains of over 7 dBi are demonstrated on a flexible liquid crystal polymer (LCP) substrate. The antenna gain, return loss, and pattern are presented and demonstrate the repeatability and design flexibility of the novel inkjet-deposition process.
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