Abstract
Measurements of thermophysical properties for solid materials, whichare traceable to metrological standards, and network systems for combining thedata producers and users are discussed. A Japanese national project fordeveloping a new measurement technology of thermophysical properties andreference materials for solids started in 1997 with a five year termconsisting of more than ten participating laboratories and universities.Details of this project are described as an example of the research onthermophysical properties for solid materials. Major goals of the projectinclude development of precision measurement methods for bulk materials,standardization of methods for evaluating the uncertainty in measurement,establishment of reference materials with evaluated uncertainties in theproperties, and development of advanced measurement methods for thin films andsurfaces. Background ideas underlying the project are described from theviewpoint of data users of thermophysical properties. A system for data userssupported by databases and measurements is discussed. A new idea, consistingof independent databases at data production and evaluation sites, is proposedas a network database system
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