Experience in developing LTCC technologies for mm-Wave antennas

Yashchyshyn, Yevhen; Bajurko, Paweł; Piasecki, Przemyslaw; Włodarczyk, Piotr; Godziszewski, Konrad; Sobolewski, Jakub; Synkiewicz, Beata; Kulawik, J.

doi:10.23919/eucap.2017.7928083

Cited by 6 publications

(4 citation statements)

References 5 publications

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“…After co-firing vias can have sharpened edges or can be filled with too small amount of metal paste. Therefore, it affects performance of a device [10]. For these reasons using metal walls create vertical interconnections between layers seems to be better than using vias (Fig.…”

Section: Simulatormentioning

confidence: 99%

International Journal of Electronics and Telecommunications

Słojewska

Yashchyshyn

2019

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Section: Simulatormentioning

confidence: 99%

International Journal of Electronics and Telecommunications

Słojewska

Yashchyshyn

2019

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“…LTCC material properties, thickness of a single material layer, capabilities of manufacture technology and so on [12], [13]. In Fig.…”

Section: Design and Manufacture Of Ltcc Antennamentioning

confidence: 99%

“…This is the effect of melting the LTCC material during the firing process. Also, shrinkage of the DuPont material [13] may affect the dimensions of the radiating structure. In order to investigate the manufactured physical leaky wave antenna, a suitable measurement setup was used for obtaining the antenna radiation pattern measurement results.…”

Section: Design and Manufacture Of Ltcc Antennamentioning

confidence: 99%

Study of D-band LTCC Leaky Wave Antenna Optimized for Broadside Radiation

Piasecki¹,

Yashchyshyn²

2018

RADIOENGINEERING

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“…Thus, the parameters of passive elements fabricated based on the laminates prepared by the multiple casting method may change considerably. The delamination risk may cause more difficulties in prediction of final passive elements characteristics (Yashchyshyn et al, 2016).…”

Section: Microelectronics Internationalmentioning

confidence: 99%

Multilayer LTCC structures based on glass-cordierite layers with different porosity

Synkiewicz

Szwagierczak

Kulawik

2017

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Purpose The paper aims to report on fabrication procedure and present microstructure and dielectric behavior of multilayer porous low-temperature cofired ceramic (LTCC) structures based on glass-cordierite and glass-alumina. Design/methodology/approach The LTCC structures were created as multi-layered composites with dense external layers and inner layers with intentionally introduced porosity. Two preparation methods were applied – subsequent casting of both kinds of slurries and conventional isostatic lamination of dried green tapes arranged in the designed order. Optical microscope observations were carried out to analyze the microstructure of green and fired multilayer structures and pore concentration. To evaluate the adhesion strength of the composite layers, pull test was performed. Dielectric behavior of the composites was studied in the frequency range 50 kHz-2 MHz. Findings The fabricated porous LTCC structures showed dielectric constant of 3-5.6. The lowest dielectric constant was attained for glass-cordierite composite made by the conventional tape casting/lamination/firing method from slurry with 50 per cent graphite content. The samples prepared using multiple casting were of worse quality than those fabricated in conventional process, contained irregular porosity, showed tendency for deformation and delamination and exhibited a higher dielectric constant. Originality/value Search for new low dielectric constant materials applicable in LTCC technology and new methods of their fabrication is an important task for development of modern microwave circuits.

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Experience in developing LTCC technologies for mm-Wave antennas

Cited by 6 publications

References 5 publications

International Journal of Electronics and Telecommunications

International Journal of Electronics and Telecommunications

Study of D-band LTCC Leaky Wave Antenna Optimized for Broadside Radiation

Multilayer LTCC structures based on glass-cordierite layers with different porosity

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