The data acquisition system of the Eindhoven scanning proton microprobe

The new scanning microprobe has been in operation for two years. Real-time data acquisition takes place on a front-end system. The measured data is transported via Ethernet to a workstation for on-line monitoring, analysis and storage. Hardware for control of the scan magnet and the quadrupoles and a multichannel analyzer have been developed. Data acquisition software for on-line monitoring and simultaneous display of multiple spectra with user selectable parameters has been written. The user interface is based on the X11-Window system. A relational database gives the user a flexible way to specify all parameters for the experiment. A faster datalink and a faster workstation will be realized this year. >