XRTmicron
X-ray Topography Imaging System
For non-destructive evaluation of single-crystalline materials
Rigaku XRTmicron is a fast, high-resolution laboratory X-ray topography system for non-destructive dislocation imaging. Various types of dislocations and non-uniformity within single crystal wafers (such as Si, SiC, GaN, Ge, GaAs, quartz, sapphire, rutile, calcium fluoride etc.) can be imaged across wafers up to 300 mm in diameter. X-ray topography is a widely used dislocation analysis technique for both research and development and process control by various single crystal, wafer and device manufacturers.
XRTmicron Overview
Topography engineered for performance
Unmatched scan speed ten times higher compared to that of conventional systems is achieved by combining a high-brilliance dual-wavelengths X-ray source, the MicroMax-007 DW, and X-ray mirrors optimized for the topography application. Both Cu and Mo X-ray anodes and their mirrors are simultaneously mounted on the system and switched on-demand to perform reflection and transmission measurements without any system reconfiguration. A digital image of dislocations is captured by a either a high resolution (5.4 μm pixels) or ultra-high resolution (2.4 μm pixels) CCD camera. Both cameras can be simultaneously mounted on the system and switched on-demand depending on the required resolution.
Fully automated X-ray topography
Engineered for usability, the entire data image collection process—including anode switch, detector switch, optics switch and alignment, sample alignment and image collection—is fully automated. Furthermore, the system can be combined with a wafer loader and image recognition based dislocation counting software. Customized recipes can be built to automate the entire process from loading a wafer to reporting dislocation densities.
XRTmicron Features
XRTmicron Specifications
Technique | X-ray topography | |
---|---|---|
Benefit | Non-destructive evaluation of single-crystalline materials | |
Technology | Imaging using X-rays | |
Attributes | High-flux multi-target X-ray source, CCD imager | |
Options | XTOP or HR-XTOP CCD | |
Computer | External PC, MS Windows OS | |
Dimensions | 1800 (W) x 1800 (H) x 1870 (D) (mm) | |
Mass | 2200 kg (core unit) | |
Power requirements | 3Ø, 200 V, 15 A |
XRTmicron Resources
Webinars
Investigating Crystalline Defects of Semiconductors Using X-ray Topography | Watch the Recording |
Rigaku Journal articles
Crystal defects in SiC wafers and a new X-ray topography system | Read the Article |
High-throughput, high-resolution X-ray topography imaging system: XRTmicron | Read the Article |
Automated dislocation evaluation software for X-ray topography images: Topography Analysis | Read the Article |
Defect structure analysis in single crystal substrates using XRTmicron | Read the Article |
Non-destructive characterization of crystallographic defects of SiC substrates using X-ray topography for R&D and quality assurance in production | Read the Article |
Dramatic improvement in the throughput of X-ray topography | Read the Article |
Publications
XRTmicron Events
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