Company Profi le International Centre
for Diff raction Data Company Description ICDD was established in 1941 as a non-profi t scientifi c organization dedicated to collecting, editing, publishing, and distributing powder diff raction data for the identifi cation of crystalline materials. As we celebrate our 70th anniversary, we refl ect on our founder’s visions to serve as an organization dedicated to dif- fraction technology and education. From handwritten entries to data cards, keypunch cards, magnetic tape, CDs and DVDs, and now access via the Web our dynamic organization continues to evolve along with the community that it serves. We will continue to be the world center for quality diff raction and related data. We will continue to promote the application of materials characterization methods in science and technology by providing forums for the exchange of ideas and information.
List of Products PDF-4+ is an advanced database boasting over 316,000 material data sets edited and standardized from four crystallographic databases for phase identifi cation. T is database has comprehensive material coverage for inorganic materials and contains numerous features such as digitized patterns, molecular graphics and atomic parameters. T e database uses a JavaTM interface and relational database format to allow the user to identify materials based on comparisons of dozens of physical, chemical, and crystallographic parameters (55 searches, 91 display fi elds). T erefore, users can easily combine an elemental analysis with inter- atomic spacings or unit cell parameters.
PDF-4+ represents a fundamentally diff erent approach to phase identifi cation by electron diff raction. PDF-4+ includes a suite of electron diff raction simula- tion programs providing the user with several means of identifying materials by electron diff raction techniques. T e suite includes an electron diff raction powder pattern simulation, a spot pattern simulation, and an election diff raction backscatter pattern simulation module. T e simulations are based on calcula- tions using electron scattering from atomic parameters or scattering factors for >210,000 data sets or from X-ray intensities for ~31,000 data sets.
Applications and Markets Served T e Powder Diff raction File (PDF) can be found worldwide in academic, govern- ment, and industrial markets. From a general testing lab to semiconductors, the PDF has been the primary reference for powder diff raction data since 1941. T e PDF is interfaced with leading manufacturers of X-ray equipment. To meet the needs of diff ractionists worldwide, the PDF is continually revised and updated with new and improved information.
How to fi nd us
ICDD headquarters is located in Newtown Square, Pennsylvania, approximately 15 miles outside of Philadelphia. Our headquarters provides for admin- istration, business, education, science, editorial, and production operations. Our conference wing sup- ports our meeting and educational activities, which includes our XRD and XRF clinics.
Our customers are supported worldwide by our global licensed distribution network.
International Centre for Diff raction Data 12 Campus Boulevard Newtown Square, PA 19073 U.S.A. Toll free in U.S. & Canada: 866.378.9331 Tel: 610.325.9814 Fax: 610.325.9823
www.icdd.com
www.microscopy-today.com
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