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348 results:
71. PTB project South East Europe 95330 EN  
Date: 25.03.2021
Percental score: 4 %
PTB project South East Europe 95330 EN Physikalisch-Technische Bundesanstalt Braunschweig und Berlin National Metrology Institute INTERNATIONAL COOPERATION Europe and the CIS South East Europe,  
72. Detection of anisotropy in the optical constants of quartz crystals for soft X-rays  
Date: 18.03.2021
Percental score: 6 %
Quartz is an important substrate material for semiconductor structures and is used in a wide variety of industrial fields, for example as a substrate for various mirrors, nanostructures or other  
73. Publications  
Date: 01.03.2021
Percental score: 15 %
Publications Dr. Shanna Schönhals Physikalisch-Technische Bundesanstalt 1.24 Informationstechnik Kraft und Drehmoment Bundesallee 100 38116 Braunschweig shanna.schoenhals@ptb.de (0531) 592-1240  
74. QMH 4 KAP 3 1 V14 1  
Date: 25.02.2021
Percental score: 5 %
QMH 4 KAP 3 1 V14 1 Qualitätsmanagement-Handbuch Abteilung 4 3.1 Kalibrier- und Messmöglichkeiten (Ausstellung von PTB-Kalibrierscheinen) Leistungen, die nur für Anwendungen innerhalb der Abteilung  
75. Accelerator physics: Experiment reveals new options for synchrotron light sources  
Date: 25.02.2021
Percental score: 3 %
Experimental set-up An international team has shown through a sensational experiment how diverse the possibilities for employing synchrotron light sources are. Accelerator experts from the Helmholtz-Zentrum Berlin  
76. Automated electrical test of sound level meters  
Date: 09.02.2021
Percental score: 3 %
Automated electrical test of sound level meters Automated electrical test of sound level meters February 11th, 2021 For the automated electrical test of sound level meter type approvals a  
77. 4.23 Optical Nanometrology  
Date: 20.01.2021
Percental score: 4 %
Overview on standards for nanometrology   http://www.nanoscale.ptb.de/nanoscale/nanoscale-standards.html http://www.nano-refmat.bam.de/en/ Linewidth calibrations on photomasks are offered  
78. Extending the RDI model observer to images with an anatomic background  
Date: 23.12.2020
Percental score: 3 %
In mammography, raw images are processed by means of sophisticated procedures before being used for diagnosis. According to the protocols that are presently valid, only raw images of technical  
79. PIM measurements on a multiband antenna in the project “5G-Reallabor”  
Date: 08.12.2020
Percental score: 5 %
Dynamic PIM measurement being carried out on a multiband antenna Passive intermodulation (PIM) leads to interference signals in cellular networks and can therefore degrade network quality. In the project “5G-Reallabor”, PTB is working on traceability for PIM  
80. Using UV-C radiation to combat the coronavirus  
Date: 01.12.2020
Percental score: 9 %
Dr. Peter Sperfeld performs measurements of UV-C radiation The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A  
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