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Laboratory Courses
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Laboratory Courses

The following laboratory courses are offered by the Institute:

Laboratory Course "Electronic Technology I" (new: "Semiconductor Technology I")

The first part deals with the determination of material parameters (5 experiments, samples fabrication, samples putterning, samples investigations)

  • Experiment 1: samples fabrication  - MOVPE
  • Experiment 2: samples putterning (1) - Nanoimprint
  • Experiment 3: samples putterning (2) - dry etching
  • Experiment 4: samples investigation - 3D lasermicroscopy (LMS)
  • Experiment 5: samples investigation - scanning electron microscopy (REM)

Start and dates of the experiments will be fixed during the preparatory meeting. Date of the preparatory meeting will be given at StudIP after enrollment.

Enrollment: StudIP

Will be offered:  each WS

Contact person: Dr. Miranti-Augustin

Laboratory Course "Electronic Technology II" (new: "Semiconductor Technology II")

Experiments in the technology of semiconductor devices: fabrication of planar devices demonstrated by the case of a LED: fabrication steps with several masks and subsequent measurement with the fabricated device. Among the process steps are photolithography, etching, lift-off, contacting, measurement of characterisics, functional test.

Start and dates of the experiments will be fixed during the preparatory meeting. Date of the preparatory meeting will be given at StudIP after enrollment.

Enrollment: StudIP

Will be offered:  each SS

Contact person: Dr. Miranti-Augustin

Foto von MOVPE Anlage und von Reaktor
Wafer im SEM
Measurement and calculation of real room lighting

During the lab course Room Lighting the students apply theoretical knowledge of the lecture and class of Lighting Engineering to practical experience and discuss real lighting situations in small groups. For this the students carry out professional measurements with documentation and appraisal. Additionally, the situations will be calculated manually (point lighting, efficiency method, power consumption) as well as automatically (simulation with ray tracing). Rooms and circulation spaces of the University are chosen which are equipped with modern lighting systems (T5 flourescent tubes or LEDs). Each group will create a poster and will present the chosen lighting situation as well as the achieved results.

The lab course completes the lecture and class of the module Lighting Engineering of the Master programme towards practical experiences. Especially the comparison of measured and calculated real lighting situations gives a clear relation between theory and practice. The documentation which has to be compiled corresponds to the planing and verification of a professional installation or a certification of a lighting system. For this purpose the acquired theoretical knowledge has to be applied to practical tasks which also trains a critical view to daily lighting situations.

Prerequisite: Lecture "Lighting Engineering 1".

Start and dates of the experiments will be fixed during the planning meeting.

Will be offered:  each SS

Contact person and enrollment: Prof. Waag , Dr.-Ing. Johannes Ledig

Impressions taken from conference proceedings about courses: J. Ledig, E. Janas, and A. Waag, “Konzept und Erfahrungen vom Laborpraktikum Messen und Berechnen realer Raumbeleuchtung,” Lux Junior Proc., 2017.

Foto der bei der Raumerfassung verwendeten Werkzeuge (links) sowie Rendering und Beleuchtungsstärkeverteilung aus der Simulation eines Seminarraums durch eine Kleingruppe.
Laboratory Course Bio-Nano-Systems

Experiments in

  • basic knowledge of important mechanisms for organic surface functionalisation
  • hands-on experience of self-assembling of monomolecular layers and thei characterisation by topographic and spectroskopic techniques
  • ability to analyse the structure of thin organic layers and to evaluate their quality


Contents:

  1. functional surface coatings of metals and semiconductors
  2. experiments with assembling of organic molecular monolayers from solutions
  3. characterisation of layers concerning
  • electrochemical properties (impedance, CV),
  • layer thickness and dielectric properties (ellipsometry),
  • electronic workfunction (Kelvin probe),
  • wetting (contact angle)

Will be offered:  each SS

Contact person and enrollment: Prof. Voß

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