Scientific Seminar Micro- und Nanosystem Technology
| Lecturer (assistant) | |
|---|---|
| Number | 0000003628 |
| Type | seminar |
| Duration | 3 SWS |
| Term | Wintersemester 2025/26 |
| Language of instruction | German |
| Position within curricula | See TUMonline |
| Dates | See TUMonline |
- 29.10.2025 15:00-16:30 Online: Videokonferenz / Zoom etc.
- 16.01.2026 10:00-17:00 N3815, Seminarraum , Seminar Mikro- und Nanosystemtechnik Seminar Analog Chip Design
- 19.01.2026 10:00-17:00 N3823, Seminarraum , Seminar Mikro- und Nanosystemtechnik Seminar Analog Chip Design
Admission information
Description
Wechselnde Themen im Bereich der Mikro- und Nanosystemtechnik. Diese beinhalten integrierte analog und mixedsignal Systeme sowie HF Funk- und Ortungssysteme. Die Modulteilnehmer erarbeiten selbständig eine wissenschaftliche Thematik und fertigen eine schriftliche Ausarbeitung von 3-4 Seiten an. Diese Ausarbeitung soll dem Format und Standard eines wissenschaftlichen Artikels oder Papers entsprechen. Die Teilnehmer stellen ihr Thema in einem Vortrag vor. Es erfolgt eine intensive Behandlung der Thematik in einer Diskussionsrunde.
Anmeldung über die Website des Lehrstuhls.
Anmeldung über die Website des Lehrstuhls.
Links
Important: Please register for the course in TUMonline, contact a supervisor for a topic and go to the introductory meeting. Afterwards you will receive a fixed place.
Current topics WS25/26
| Name | Topic title | Topic description |
|---|---|---|
| Ting-Li Hsu | Survey on Closed-Loop Antenna Tuning Techniques | In modern handheld mobile devices, the matching condition of the planar inverted-F antenna is strongly influenced by the surrounding environment. Hence, real-time impedance tuning is necessary to fulfill the requirement on power efficiency and linearity of the transmitter. In this work, the student is encouraged to perform a survey on various topologies which realize the closed-loop antenna tuning and compare them based on their advantages/disadvantages. |
| Christian Herpers | Future semiconductor switches for multi-megahertz wireless power transfer | In recent years, near-field wireless power transfer has facilitated the use of higher frequencies in the multi-MHz range for both high and low power applications. Common inverter structures employed include Class-D and Class-E. Given the need for high efficiency and minimal distortion within the overall system, selecting the right switches is crucial. The objective is to explore the types of switches currently in use and identify the most promising semiconductor technologies for future systems. |
| Balbach Samira | Methods for Powerline Interference (PLI) Mitigation | Surface electromyography (sEMG) measures the electrical activity of individual muscles non-invasively by placing a differential pair of electrodes on the skin. Typically, data is transmitted via wires, and a third electrode serves as a reference by being positioned over a bone rather than a muscle. However, in wireless sEMG applications where a third reference electrode is absent, powerline interference (PLI) becomes a significant challenge. This study will review and compare various methods for mitigating PLI in wireless sEMG systems. |
| Running Guo | Ternary Logic Gate | Logic circuit or devices specified for ternary computation, do a summary and comparison |
| Zerbane Abderahim | Methods for low loss coupling from Coplanar Waveguide (CPW) into Substrate Integrated Waveguides (SIW) > 100 GHz | To use Cavity Filters with very high supression on Interposer, efficient Mode conversion structures are necessary to ensure minimal insertion loss. Summary and comparison of different coupling structures (Literature Review). Bonus and not necessary : CST or HFSS Simulation only if already first experience with one of the tools. |
| Zerbane Abderahim | Substrate Integrated Cavity Filter Topologies > 100 GHz | Summary and comparison of various substrate integrated cavity filter in the sub- THz frequency range (Literature Review). Bonus and not necessary : CST or HFSS Simulation only if already first experience with one of the tools. |
| Sebastian Peller | Multi-Level Pulse-Shaping for Ultrasonic Transducers | Capacitive micromachined ultrasonic transducers (CMUTs) offer many benefits in comparison to their piezoelectric counterparts. In the scope of this seminar, one should explore different architectures for multi-level pulse-shaping used for ultrasound transmission with fully integrated CMUT-ICs |
| Alwin Maiwald | Comparison of Materials for Superconducting Coplanar Waveguide Resonators | Superconducting coplanar waveguide (CPW) resonators are critical elements in qubit chips. The choice of superconducting material plays a important role in determining quality factors and dominant loss mechanisms. This survey aims to compare different superconducting materials used for CPW resonators, analyzing their intrinsic properties, susceptibility to various loss channels, and overall impact on Q-factor. |
| Alwin Maiwald | Ta₂O₅ as Gate Oxide for MIM Devices | Metal–insulator–metal (MIM) devices are widely used in electronics, including capacitors, memory elements, and RF components. The properties of the insulating oxide layer strongly influence device behavior, particularly in terms of leakage current, defect formation, and long-term reliability. This survey aims to review the use of Ta₂O₅ as a gate oxide in MIM devices, with a focus on how different fabrication methods affect oxide quality, defect density, and leakage current. |
| Emir Music | Defect Mechanisms in Junction Oxides of Superconducting Qubits | The thin oxide barrier in Josephson junctions is essential for the operation of superconducting qubits, but it also represents a major source of decoherence and energy loss. A variety of defect mechanisms can arise in this oxide, including two-level systems (TLS), charge trapping, tunneling processes, and dielectric breakdown phenomena. These defects degrade qubit performance by introducing noise, reducing coherence times, and lowering device reliability. This survey aims to provide an overview of the different defect mechanisms in junction oxides, their physical origins and experimental signatures, and strategies for mitigating their impact. |
| Jonas Peis | Traps and Defects at the Si/SiO₂ Interface | Traps/defects located at the interface between Silicon and its native Oxide (SiO₂) can influence the characteristics of CMOS devices. The survey should focus on the different trap/defect characteristics, such as type, energy level, cross-section (and possibly more). |
| Emir Music | Room Temperature Characterization of Superconducting Qubits | This survey explains how various characterization methods, performed at room temperature, can serve as a wafer-level quality control tool to predict the cryogenic performance of superconducting qubits. It'll focus on measurements that correlate room-temperature properties with low-temperature qubit loss. Possible characterization methods can include electrical characterization, like four-point probe resistance measurements and dielectric breakdown measurements, as well as alternative methods such as Conductive Atomic Force Microscopy (C-AFM) and more. |
| Ferdinand Heinrich | The Predictive Power of Time Series Fundation Models | Relatively recently, start-ups such as Nixtla, as well as large tech companies such as Amazon, Google, and Salesforce, have published foundation models for time series data. How can these models be tested on challenging data types? |
| Trung Duong | Manipulation of waves propagation across various geometric shapes and materials. | Wave propagation can be influanced by shaping boundaries or varying the medium. Different effects can be achieved by changing the wave's speed and redirecting its propagation. The study will focus on the fundamentals to current developements and applications. |