Fraunhofer IISB and Rigaku Europe SE are starting a strategic partnership in order to support the European semiconductor industry in improving and better understanding their wafer quality and yield by employing the Rigaku XRTmicron advanced X-ray topography tool.
Rigaku Europe SE and Fraunhofer IISB in Erlangen are pleased to announce the formation of a strategic partnership to revolutionize the characterization of semiconductor materials by X-ray topography; therefore, Rigaku has installed the latest generation X-ray topography tool, the Rigaku XRTmicron imaging system, at Fraunhofer IISB.
X-ray transmission topogram of the 101 reflex for a full 100 mm 4H SiC wafer and a more detailed section of the wafer.
Dr. Michael Hippler, president at Rigaku Europe SE in Neu-Isenburg, Germany, states: “We are proud to join forces with the highly experienced team at IISB for semiconductor substrate and epilayer characterization.”
The XRTmicron system enables investigation of crystallographic defects with high speed and highest resolution on full wafer scale. It is well suited for bare wafers, wafers with epilayer structures, partially processed wafers, as well as bonded wafers.
The amount and different types of dislocations, slip lines, dislocation networks, (small angle) grain boundaries, inclusions, precipitates, pits, scratches, stress level, etc. can be imaged and quantified on the samples.
Two different X-ray sources – a 40kV/30mA copper source and a 50kV/24 mA molybdenum source in combination with the application of a large angle goniometer accommodate a wide range of diffraction conditions.
Therefore, the XRTmicron system can be applied to different kinds of materials including semiconductors (e.g. Si, Ge, Diamond, SiC, GaN, AlN, GaAs, InP, CdTe, CdZnTe), oxides (e.g. sapphire, ruby, garnets, vanadates, niobates, quartz) and halides (e.g. fluorides, bromides).
The XRTmicron system can be operated in transmission as well as in reflection mode in order to detect defects in the volume of the sample or to quantify defects close to the surface. Furthermore, it is equipped with a standard and a high resolution XTOP CCD-camera.
This leads to a spatial resolution of 5.4 μm and 2.4 μm per pixel, respectively, for a single image size of 18 mm x 13.5 mm. Full wafer mappings and detailed defect imaging of regions of interest are possible under different diffraction conditions for sample sizes of up to 300 mm in diameter. A measurement of a full 150 mm SiC wafer under the high resolution mode, for example, takes only one hour.
Additionally, the XRTmicron system is equipped with a special slit-arrangement to perform cross section topography measurements in high resolution. This gives detailed depth information through the whole thickness of the sample.
For instance, it is possible to investigate whether the glide plane formation in partly processed wafers starts on the front or back side of the wafer. Furthermore, the defect formation due to epilayer growth on top of a wafer can be quantified by this feature.
Dr. Christian Reimann, Group Manager Silicon at Fraunhofer IISB, comments, ”The XRTmicron is the only tool available in Europe so far which fulfills the requirements of highest resolution for complete wafer mappings in shortest possible time scale to analyze single crystalline materials.
It is a revolution for crystallographic defect investigations compared to classical Synchrotron based topography measurements.”
Fraunhofer IISB will act as a demo center for the XRTmicron system in Europe. Uwe Preckwinkel, XRT product manager at Rigaku Europe SE, adds, “We already received numerous requests from the European semiconductor industry aiming to improve and better understand their product quality and yields.”
It is therefore planned to standardize the operation procedures for the different costumers due to their specific needs within the strategic collaboration between Rigaku and Fraunhofer IISB.
The XRTmicron system operated at Fraunhofer IISB is part of the “Research Fab Microelectronics Germany (FMD)” which is funded by the Federal Ministry of Education and Research.
Within this Research Fab Microelectronics Germany the Fraunhofer Group for Microelectronics and two Leibniz institutes (FBH and IHP) are bundling their expertise in order to reach and expand on a new quality in research, development, and (pilot) manufacture of semiconductor-based microsystems and nanosystems.
Since its inception in Japan in 1951, Rigaku has been at the forefront of analytical and industrial instrumentation technology. Rigaku and its subsidiaries form a global group focused on general-purpose analytical instrumentation and the life sciences. With hundreds of major innovations to their credit, Rigaku companies are world leaders in X-ray spectrometry, diffraction, and optics, as well as small molecule and protein crystallography and semiconductor metrology.
Today, Rigaku employs over 1,400 people in the manufacturing and support of its analytical equipment, which is used in more than 90 countries around the world supporting research, development, and quality assurance activities. Throughout the world, Rigaku continuously promotes partnerships, dialog, and innovation within the global scientific and industrial communities.
About Fraunhofer IISB
Founded in 1985, the Fraunhofer Institute for Integrated Systems and Device Technology IISB conducts applied research and development in the fields of power electronics, energy electronics, and semiconductors according to the Fraunhofer model. As a result, the institute comprehensively covers the value-added chain for complex electronics systems, from the basic material to complete electronics and energy systems. Research focuses on the application areas of electromobility and energy supply.
For its customers, the institute develops solutions in the fields of material development, semi-conductor technology and manufacturing, electronic components devices and modules, construction packaging and connection technology, simulation, reliability, up to system development in vehicle electronics, energy electronics, and energy infrastructure. Among other things, the IISB has extensive know-how in semiconductor basic material and characterization.
The main location of Fraunhofer IISB is in Erlangen, Germany. There are further locations at the Energie Campus Nürnberg (EnCN) in Nuremberg as well as in Freiberg. The institute has more than 280 employees and an operating budget of approx. 25 million euros.
Dr. Christian Reimann
Fraunhofer IISB, Schottkystrasse 10, 91058 Erlangen, Germany
Tel. +49 9131 761 272
Uwe Preckwinkel Rigaku Europe SE
Hugenottenallee 167, 63263 Neu-Isenburg, Germany
Tel +49 6102 77999 51
Fraunhofer IISB Kommunikation | Fraunhofer-Gesellschaft
Cement as a climate killer: Using industrial residues to produce carbon neutral alternatives
20.05.2019 | Martin-Luther-Universität Halle-Wittenberg
Discovering unusual structures from exception using big data and machine learning techniques
17.05.2019 | Science China Press
Engineers at the University of Tokyo continually pioneer new ways to improve battery technology. Professor Atsuo Yamada and his team recently developed a...
With a quantum coprocessor in the cloud, physicists from Innsbruck, Austria, open the door to the simulation of previously unsolvable problems in chemistry, materials research or high-energy physics. The research groups led by Rainer Blatt and Peter Zoller report in the journal Nature how they simulated particle physics phenomena on 20 quantum bits and how the quantum simulator self-verified the result for the first time.
Many scientists are currently working on investigating how quantum advantage can be exploited on hardware already available today. Three years ago, physicists...
'Quantum technologies' utilise the unique phenomena of quantum superposition and entanglement to encode and process information, with potentially profound benefits to a wide range of information technologies from communications to sensing and computing.
However a major challenge in developing these technologies is that the quantum phenomena are very fragile, and only a handful of physical systems have been...
Working group led by physicist Professor Ulrich Nowak at the University of Konstanz, in collaboration with a team of physicists from Johannes Gutenberg University Mainz, demonstrates how skyrmions can be used for the computer concepts of the future
When it comes to performing a calculation destined to arrive at an exact result, humans are hopelessly inferior to the computer. In other areas, humans are...
Scientists develop a molecular recording tool that enables in vivo lineage tracing of embryonic cells
The beginning of new life starts with a fascinating process: A single cell gives rise to progenitor cells that eventually differentiate into the three germ...
29.04.2019 | Event News
17.04.2019 | Event News
15.04.2019 | Event News
20.05.2019 | Power and Electrical Engineering
20.05.2019 | Health and Medicine
20.05.2019 | Architecture and Construction