Reaktive Multilagen, eine Untergruppe der energetischen Werkstoffe, haben aufgrund ihres Potenzials für Anwendungen in Bereichen wie Fügen, Zündsystemen und thermischen Batterien große Aufmerksamkeit erlangt. Diese Systeme bestehen aus gestapelten dünnen Schichten (Multilagen) mit stark exothermen Mischungsreaktionen,…
Today, the reliability of electronic circuits plays a central role in many challenging applications. Due to the ever-increasing demand for integration density, high-frequency properties and temperature stability, low-temperature cofired ceramics (LTCC) technology offers solutions for new integration…
Die rasche Zunahme des Klimawandels und der Umweltverschmutzung durch die massive Nutzung von Chemikalien und fossilen Brennstoffen zum Betrieb unserer Maschinen erhöht die Notwendigkeit sauberere Energiequellen in den Fokus zu nehmen. Nikola Tesla sagte einst sinngemäß: “Elektrische Energie ist überall…
Materials with high RF performance are in increasing demand due to the needs of modern telecommunications. Glass and low-temperature co-fired ceramics (LTCCs) are both interesting candidates for the design of complex signal transmission systems. Glass can be processed in large panels, and has suitable…
This study investigates the effects of sputtering and electron beam evaporation (e-beam) on the microstructure and reactive properties of Al/Ni reactive multilayers (RMLs). The intermixing zone, a critical factor influencing reaction kinetics, is characterized using high-resolution transmission electron…
Surface structuring methods are crucial in semiconductor manufacturing, as they enable the creation of intricate structures on the semiconductor surface, influencing the material’s electrical, mechanical, and chemical properties. This study employs one such structuring method known as reactive ion etching…
Overheating poses major challenges in miniaturized electronics, especially as their power consumption increases. For this reason, thermal management is a necessity for efficient electronics, and its optimization is a central task in the design especially for miniaturized compact electronics. On the other…
The growing applications and constant miniaturization of electronic devices and of low-temperature co-fired ceramics (LTCC) in various fields, such as aviation, telecommunications, automotive, satellite communications, and military, have led to an increase in the demand for LTCC. Such prospects arise…
Westerville, Ohio: [Verlag nicht ermittelbar]; Wiley-Blackwell; Blackwell, 2023-10-10
Fast energy release, which is a fundamental property of reactive multilayer systems, can be used in a wide field of applications. For most applications, a self-propagating reaction and adhesion between the multilayers and substrate are necessary. In this work, a distinct approach for achieving self-propagating…
Dordrecht [u.a.]: Springer Science + Business Media B.V, 2023-08-07
This paper discusses the use of reactive multi-layers for selective assembly of ICs (Integrated Circuits) in an LTCC (Low Temperature Co-fired Ceramics) based SiP (System-in-Package). To understand the requirements for the use of self-propagating reactive multilayers in die bonding, CFD (Computational…
Three-dimensional interconnect devices are still strongly related to plastic materials. Since the use of these materials is limited in harsh environments, there is an application gap, which could be filled by ceramic circuit carriers. Low-temperature cofired ceramics (LTCC) offer promising solutions…
Die vorliegende Dissertation befasst sich mit dem Entwurf und der Analyse von MEMS-Oszillatoren auf dem so genannten SiCer-Verbundsubstrat. Dafür wird eine Methodik erarbeitet, die den Entwurf von Mikroelektronik und Mikroelektromechanik vereint. Diese Methodik basiert auf einem analytischen Entwurfsmodell…
Power costs increasing, environmental pollution and global warming are issues that we are dealing with in the present time. To reduce their effects, scientists are focusing on improving energy harvesting-based power generators. Thermoelectric generators (TEGs) have demonstrated their ability to directly…
The traceability of the torque quantity finds a gap when there is a regime with torque variation rates. The traditional calibration methods define the references to be on the static regime, with null torque rates. This paper presents a method for providing torque traceability to rotating sensors under…
This work compares the deposition of aluminum nitride by magnetron sputtering on silicon to multilayer ceramic substrates. The variation of sputter parameters in a wide range following a fractional factorial experimental design generates diverse crystallographic properties of the layers. Crystal growth,…
Die Entwicklung der Elektronik schreitet stetig voran. Durch die steigende Funktionsdichte einzelner Baugruppen und die damit einhergehende Miniaturisierung gewinnt das thermische Management zunehmend an Bedeutung. Die hierdurch wachsenden Anforderungen an den Schaltungsträger hinsichtlich der thermischen…
This work presents results in the field of advanced substrate solutions in order to achieve high crystalline quality group-III nitrides based heterostructures for high frequency and power devices or for sensor applications. With that objective, Low Temperature Co-fired Ceramics has been used, as a non-crystalline…
London: Macmillan Publishers Limited, part of Springer Nature, 2018-05-02
Multi-electrode arrays find application in electrophysiological recordings. The quality of the captured signals depends on the interfacial contact between electrogenic cells and the electronic system. Therefore, it requires reliable low-impedance electrodes. Low-temperature cofired ceramic technology…
Die vorliegende Dissertation stellt die Integrationsmöglichkeiten von Resinatpasten in die niedrigsinternde Mehrlagenkeramiktechnologie (engl. Low Temperature Cofired Ceramics, LTCC) dar. Resinatpasten bestehen aus metallorganischen Edelmetallverbindungen (z.B. Gold, Silber, Platin), die in aromatischen…
Die vorliegende Arbeit hat zum Ziel, einen neuartigen Sensor für ein Belastungsmonitoringsystem der unteren Gliedmaßen zu erforschen und zu entwickeln. Dieses soll im medizinischen Bereich verwendet werden, beispielsweise nach Hüft- oder Knieoperationen, wenn dem Patienten vom Arzt eine maximale Teilbelastung…