Fraunhofer Group for Microelectronics in cooperation with the Leibniz institutes IHP and FBHSpectroscopy systems
- Compact Raman spectroscopy system with dual-wavelength laser for on-site measurement of Raman signals.
- Miniaturized MEMS-based spectroscopy systems in the NIR range
- Miniaturized optical spectrometers
- "FreshScan" (information in German) - mobile handheld scanner for quantitative determination of microbacterial contamination of food products
- Fiber-coupled terahertz sensor systems with currently largest bandwidth, highest dynamic range in the field of THz spectroscopy (CW-LASER) and integrability in handheld systems
- Foreign object detection via radar; application e.g. for food inspection, non-destructive testing of materials and inspection of letters or parcels
Technological Highlights
Complete systems for spectroscopy & multisensor technology
Measurement under harsh environmental conditions with radar
- Width determination of steel strips in the rolling process using radar technology
- Precise width measurement with simultaneous usability under adverse conditions
Applications
- Contour measurement of the rolled material edge within a hot rolling mill
- Adaptive control of steel strips in hot rolling mills
Cooperations and projects
- Projekt ASRA (Adaptive control of steel strips in hot rolling mills based on high-precision radar signal processing methods)
- Ruhr University Bochum
- IMS Measuring Systems GmbH
- SMS Group GmbH
- IMST GmbH
Further information
Setup of the radar width measurement at the roughing stand of Salzgitter Flachstahl GmbH
Monitoring of glass fiber layers by millimeter wave scanning systems
Robotics system for scanning fiber composite materials
Complex fiber structure with positional errors
- Development of a novel method to control the manufacturing process of high-strength fiber composites
- Three-dimensional imaging of fiber structures even before casting
- Detection of irregularities in the alignment and/or in the course of fiber reinforcement
Applications
- Fiber composite manufacturing
Cooperations and projects
- Projekt FiberRadar (millimeter wave scanning system for monitoring glass fiber layers during fiber composite production)
- Ruhr University Bochum
- Aachen University of Applied Sciences
- Aeroconcept GmbH
Hybrid Packaging Technology for Innovative 300 GHz Radar Applications
- Development of a high-performance, industry-standard and cost-effective packaging technology for hybrid integration of SiGe and mHEMT circuits
- Broadband FMCW radar module for layer thickness measurements of dielectric materials
Applications
- high-precision distance, thickness and structure measurements (e.g. of plastics)
Cooperations and projects
- Project HYPATIA (Hybrid Packaging Technology for Innovative 300 GHz Radar Applications)
- VDI/VDE-IT
- SIKORA AG
- Ruhr University Bochum
- IMST GmbH
- Infineon Technologies AG
Industry example: Millimeter wave technology for contactless and µm-accurate measurement of diameter, ovality, wall thickness and sagging of large plastic pipes.
Detecting foreign objects in food via radar
Did something accidentally get into the double cookies (top) during production that doesn't belong there? In the radar image (below), a piece of glass previously placed in the chocolate cream can be detected.
- Prototype development as a supplement to classic X-ray methods for detecting foreign bodies made of glass, wood or plastics
- The SAMMI® prototype has already been able to detect glass splinters in double cookies and missing pieces of chocolate in Advent calendars.
Applications
- Food inspection
- Non-destructive testing
- Inspection of letters or parcels
Further information
FreshScan - mobile handheld scanner for the determination of microbial contamination
- Use of Raman or fluorescence spectroscopy for analysis of reflected light
- Storage of processing and transport data such as time, temperature, humidity or light incidence
- The mobile handheld scanner combines an RFID read/write device with spectral optical analytics.
Applications
- Freshness control of meat and other food products
Cooperations and projects
- Projecft Fresh Scan (information in German)
- TU Berlin
- FBH
- MRI
- ATB
The first version of the FreshScanner
Glass interposer technology for the realization of highly compact electronic systems
A built-up radar sensor with glass package in the center and attached dielectric waveguide
- Reliable interposer technology based on glass for broadband millimeter wave modules with application in sensor technology and communication at frequencies above 100 GHz as system-in-package (SiP)
- Demonstration of extremely compact radar front ends for future radar level sensors at an operating frequency of 160 GHz.
Applications
- Industry and process measurement technology - e.g. level sensor technology
Cooperations and projects
- Project GlaRA (information in German) (Glass interposer technology for the realization of highly compact electronic systems for high-frequency applications)
- Endress+Hauser AG
- LPKF Laser & Electronics AG
- PacTech GmbH
- MSG Lithoglas GmbH
- Institute for Microwave Technology at the University of Ulm
- Sentronics Metrology GmbH
Further information