Final Report On Manufacturing Methods For Metallized Teflon Capacitors Subminiature 200c
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Author | : Douglas H. Smith |
Publisher | : |
Total Pages | : 92 |
Release | : 1963 |
Genre | : Capacitors |
ISBN | : |
Metal-encased, tubular, hermetically sealed, metallized teflon capacitors which reduce the volume per microfarad of capacitance up to one fourth that of conventional teflon dielectric foil capacitors can be fabricated on a production basis. These capacitors are designed to operate over a temperature range of -65 C to 200 C and are capable of withstanding the severe environmental conditions. Available winding machines were modified for the winding of thin teflon film because of the films tendency to distort in both width and thickness when not held under constant or controlled tension. These modifications were all directed toward the exertion of constant tension on the winding material thereby alleviating major winding problems. The composite-type construction employing one aluminum metallized teflon electrode and one standard aluminum foil electrode was used in the construction of the capacitors. Lead attachments were made by spraying the ends of the capacitor with a high temperature aluminum solder. The capacitors fabricated using multiple layers of material were satisfactory upon completion of load life testing for a period of 1000 hrs with a 140% of rated voltage at a temperature of 200 C. However, the capacitors fabricated with single layer material failed the 1000-hr load life test because numerous momentary breakdowns weakened or destroyed the connections between the sprayed and connections and electrodes.
Author | : |
Publisher | : |
Total Pages | : 630 |
Release | : 1963 |
Genre | : Science |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1322 |
Release | : 1963 |
Genre | : Science |
ISBN | : |
Author | : Defense Documentation Center (U.S.) |
Publisher | : |
Total Pages | : 1148 |
Release | : 1964 |
Genre | : Science |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1336 |
Release | : 1964-10 |
Genre | : Science |
ISBN | : |
Author | : United States. Dept. of Commerce. Office of Technical Services |
Publisher | : |
Total Pages | : 556 |
Release | : |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 638 |
Release | : 1963 |
Genre | : Metal-work |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 868 |
Release | : 1957 |
Genre | : Electronic apparatus and appliances |
ISBN | : |
Author | : Barrie D. Dunn |
Publisher | : Springer |
Total Pages | : 677 |
Release | : 2015-12-29 |
Genre | : Technology & Engineering |
ISBN | : 3319233629 |
The objective of this book is to assist scientists and engineers select the ideal material or manufacturing process for particular applications; these could cover a wide range of fields, from light-weight structures to electronic hardware. The book will help in problem solving as it also presents more than 100 case studies and failure investigations from the space sector that can, by analogy, be applied to other industries. Difficult-to-find material data is included for reference. The sciences of metallic (primarily) and organic materials presented throughout the book demonstrate how they can be applied as an integral part of spacecraft product assurance schemes, which involve quality, material and processes evaluations, and the selection of mechanical and component parts. In this successor edition, which has been revised and updated, engineering problems associated with critical spacecraft hardware and the space environment are highlighted by over 500 illustrations including micrographs and fractographs. Space hardware captured by astronauts and returned to Earth from long durations in space are examined. Information detailed in the Handbook is applicable to general terrestrial applications including consumer electronics as well as high reliability systems associated with aeronautics, medical equipment and ground transportation. This Handbook is also directed to those involved in maximizing the relia bility of new materials and processes for space technology and space engineering. It will be invaluable to engineers concerned with the construction of advanced structures or mechanical and electronic sub-systems.
Author | : |
Publisher | : |
Total Pages | : 1324 |
Release | : 1955 |
Genre | : Automatic control |
ISBN | : |