zldmЗаводская лаборатория. Диагностика материаловIndustrial laboratory. Diagnostics of materials1028-68612588-0187ООО «Издательство «ТЕСТ-ЗЛ»10.26896/1028-6861-2025-91-8-41-46zldm-2574Research ArticleИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВSTRUCTURE AND PROPERTIES INVESTIGATIONИсследование электрофизических свойств композитного диэлектрического материала с низкой диэлектрической постояннойResearch of electrophysical properties of composite dielectric material with low permittivityКудрявцеваД. А.KudryavtsevaD. A.

Дарья Алексеевна Кудрявцева

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Daria A. Kudryavtseva

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

dakudryavtseva@etu.ruЦымбалюкА. А.TsymbalyukA. A.

Андрей Александрович Цымбалюк

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Andrey A. Tsymbalyuk

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

КомлевА. Е.KomlevA. E.

Андрей Евгеньевич Комлев

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Andrey E. Komlev

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

АлтынниковА. Г.AltynnikovA. G.

Андрей Геннадиевич Алтынников

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Andrey G. Altynnikov

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

ПлатоновР. А.PlatonovR. A.

Роман Андреевич Платонов

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Roman A. Platonov

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

ГагаринА. Г.GagarinA. G.

Александр Геннадиевич Гагарин

197022, г. Санкт-Петербург, ул. Профессора Попова, д. 5, литера Ф

Alexander G. Gagarin

5 lit. F, ul. Prof. Popova, St Petersburg, 197022

Санкт-Петербургский государственный электротехнический университет «ЛЭТИ» имени В. И. Ульянова (Ленина)РоссияSt. Petersburg Electrotechnical University «LETI»Russian Federation2025310820259184146Copyright © Кудрявцева Д.А., Цымбалюк А.А., Комлев А.Е., Алтынников А.Г., Платонов Р.А., Гагарин А.Г., 20252025Кудрявцева Д.А., Цымбалюк А.А., Комлев А.Е., Алтынников А.Г., Платонов Р.А., Гагарин А.Г.Kudryavtseva D.A., Tsymbalyuk A.A., Komlev A.E., Altynnikov A.G., Platonov R.A., Gagarin A.G.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.zldm.ru/jour/article/view/2574

Активное развитие телекоммуникационных систем, работающих на частотах от 30 ГГц и выше (в том числе систем 5G), требует разработки и создания материалов с диэлектрической постоянной менее 2,2, совместимых с технологией печатных плат. Технологические подходы изготовления таких материалов основаны на формировании воздушных полостей в исходной диэлектрической матрице и требуют контроля их СВЧ-параметров (в первую очередь диэлектрической проницаемости и тангенса угла диэлектрических потерь) в заданном диапазоне частот. В работе представлены результаты исследования электрофизических свойств композитного диэлектрического материала с низкой диэлектрической постоянной. Герметизированные диэлектрические пластины с заданным распределением воздушных полостей по объему изготавливали с помощью механической перфорации и аддитивной технологии 3D-печати. СВЧ-параметры полученных образцов определяли с помощью разъемного цилиндрического резонатора на частоте ~10 ГГц. Исследовали образцы с минимальным значением диэлектрической проницаемости 1,75. Установлено, что применение аддитивных технологий 3D-печати ввиду целого ряда особенностей приводит к искажению геометрических размеров формирующихся воздушных полостей, что, в свою очередь, влияет на электрофизические свойства образцов. Полученные результаты могут быть использованы при разработке новых СВЧ-материалов.

The active development of telecommunication systems operating at frequencies from 30 GHz and above (including 5G systems) requires the development and creation of materials with a dielectric constant of less than 2.2 compatible with printed circuit board technology. Technological approaches to manufacturing such materials are based on the formation of air cavities in the initial dielectric matrix and require control of their microwave parameters (primarily the dielectric constant and the tangent of the dielectric loss angle) in a given frequency range. The paper presents the results of a study of the electrophysical properties of a composite dielectric material with a low dielectric constant. Sealed dielectric plates with a predetermined volume distribution of air cavities were produced using mechanical perforation and additive 3D printing technology. The microwave parameters of the obtained samples were determined using a detachable cylindrical resonator at a frequency of ~10 GHz. Samples with a minimum dielectric constant of 1.75 were examined. It has been established that the use of additive 3D printing technologies, due to several features, leads to a distortion of the geometric dimensions of the forming air cavities, which in turn affects the electrophysical properties of the samples. The results obtained can be used in the development of new microwave materials.

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The authors declare that there are no conflicts of interest present.