Preparation and Evaluation of Vapor-deposited Tungsten
Author | : R. L. Heestand |
Publisher | : |
Total Pages | : 44 |
Release | : 1964 |
Genre | : Electron microscopy |
ISBN | : |
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Author | : R. L. Heestand |
Publisher | : |
Total Pages | : 44 |
Release | : 1964 |
Genre | : Electron microscopy |
ISBN | : |
Author | : George J. Sacks |
Publisher | : |
Total Pages | : 164 |
Release | : 1996 |
Genre | : Electrochromic devices |
ISBN | : |
Author | : L. Yang |
Publisher | : |
Total Pages | : 21 |
Release | : 1983 |
Genre | : |
ISBN | : |
Efforts under the present contract were devoted to the preparation of CVD tungsten emitters containing a variety of preferred crystallographic orientations. The work is divided into two phases. In Phase I, a CVD tungsten deposition apparatus was built and CVD tungsten samples of various preferred crystallographic orientations were prepared and characterized with respect to microstructures and nature and degree of preferred orientations. These samples were delivered to NRL for the evaluation of their electron emission properties. In Phase II, efforts were made to produce a high degree of preferred crystallographic orientations in thin CVD tungsten deposits (approx. 25 micron thickness) which are amenable to hole drilling by laser. Techniques for preparing CVD tungsten cathode structure were established and samples of oriented tungsten cathode structure were prepared for NRL evaluation.
Author | : John E. J. Schmitz |
Publisher | : William Andrew Publishing |
Total Pages | : 235 |
Release | : 1992 |
Genre | : Computers |
ISBN | : 9780815512882 |
This monograph condenses the relevant and pertinent literature on blanket and selective CVD of tungsten (W) into a single manageable volume. The book supplies the reader with the necessary background to bring up, fine tune, and successfully maintain a CVD-W process in a production set-up. Materials deposition chemistry, equipment, process technology, developments, and applications are described.
Author | : Oak Ridge National Laboratory |
Publisher | : |
Total Pages | : 304 |
Release | : 1965 |
Genre | : Government publications |
ISBN | : |