Datoteka:Glass to metal seals 1922.png
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Sažetak
| Opis |
English: Diagram showing three kinds of glass-to-metal seals, for use in vacuum tubes. Scale: the lengths shown are each 6 inches (15.25 cm).
Excerpt of the original discussion (pp. 10-11): "The third type of seal and the most important in connection with the current problem is the tube seal shown in Fig. 5. This furnishes the means of joining metal and glass tubes end to end and is used in the water-cooled tube to attach the anode to the glass cylinder which serves to insulate the other tube elements. As in the case of the disc seal, it can be made either with the edge of the metal not in contact with the glass, as shown in A, or with the metal sharpened to a fine edge which is in contact with the glass. The glass may be situated either inside or outside of the metal, see B and C. The first thermionic tubes in which these seals were embodied were made of copper and were designed to operate at 10,000 volts and to give about 5 k. w. output." |
| Datum | |
| Izvor | W. Wilson, "A new type of high power vacuum tube", Bell System Technical Journal vol. 1, no. 1 (July 1922), p. 10. |
| Autor | W. Wilson |
Licencija
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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| sadašnja | 14:56, 23. listopada 2012. | | 729 × 738 (192 KB) | Delirium | User created page with UploadWizard |
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