Material designs for electronic applications
Material designs for electronic applications - motor brushes, dielectrics for wire coatings, electrical properties of cryogenic fluids, and potting compounds
MATERIALS SCIENCE↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Plastic preforms facilitate fabrication of welded cordwood electronic modules
Molded plastic preform facilitates the fabrication of small lots of welded cordwood circuits. The preforms retain the components during welding and electrical checkout and facilitate encapsulation of the welded module when used with a conventional potting shell.
Sturman, J. C.↗
Method of disjoining adhesively bonded electronic cordwood modules
Embedment of resistive heating elements in a cordwood module used for packaging electronic components, facilitates separation of the adhesive bond between the module, and metal heat sink and the potting material without damaging the components. Electrical power applied to the elements causes breakdown of bonding material.
Sacramone, P. J.↗
Thermal resistances of solder-boss/potting compound combinations
Formulas, which can be used as a design tool, are derived to calculate the thermal resistance of solder-boss/potting compound combinations, for different depths of a solder boss, in electronic cordwood modules. Since the solder boss is the heat source, its shape and position will affect the thermal resistance of the surrounding potting compound.
Veilleux, E. D.↗
Astronaut space suit communication antenna
Astronaut space suit communication antenna consists of a spring steel monopole in a blade-type configuration. This antenna is mounted in a copper cup filled with a potting compound that is recessed in the center to facilitate bending the blade flat for stowing when not in use.
Lindsey, J. F., III↗
A unified cleaning facility in a Class 100 clean room
Downdraft clean room for cleaning and potting of mechanical and electrical components and various plastics systems
Kenagy, J. A.↗
Nonstructural materials for aerospace application.
Aerospace applications of nonstructural materials, discussing potting compounds, conformal coatings, wire insulation, electrical contact materials, lubricants, etc
Kingsbury, J. E.↗
Nonstructural materials for aerospace.
Aerospace applications of nonstructural materials, discussing potting compounds, conformal coatings, wire insulation, electrical contact materials, lubricants, etc
Kingsbury, J. E.↗
Formulas establish audio range inductance in beryllium coils
Mathematical modeling is used to determine the effects of resistance and capacitance upon the audio-inductance range of beryllium hammer coils and beryllium nylon-potted coils.
Ball, B. J.↗
Preparation of highly fluorinated diols containing ether linkages.
Hydroxy-terminated perfluoroethers and polyurethane resins derived from ethers have outstanding chemical resistance and good thermal properties. They can be used as potting compounds, coatings, and seals. The hydroxy-terminated ethers serve as intermediates in the synthesis of highly fluorinated elastomers and adhesives.
Rochow, S. E.↗
Evaluation of new penetrating sporicide potentially useful in spacecraft sterilization Progress report
Sporicide as additive to spacecraft potting compounds or as surface agent for spacecraft sterilization
Aldridge, C.↗
Development of packaging techniques for an amplitron and power supply
Potting techniques of high-voltage module and testing of amplitron tube and RF problems in microwave circulator
Felsenthal, P.↗
Method and apparatus for shock protection Patent
Removable potting compound for instrument shock protection
Osullivan, W. J., Jr.↗
Adhesives in space - Apollo and future manned spacecraft
Adhesives in Apollo command, service and lunar modules primary load carrying structures, electrical potting and sealing medium
Barnes, R.↗
Development of cryogenic adhesives with plus 150 C capability
Polyurethane structural adhesives with excellent tensile shear and T-peel strengths at cryogenic temperatures, long pot lives and good processing characteristics
Glasgow, D. G.↗
Devolatilization of polymer resins
Commercial silicon resin was devolatilized by vacuum distillation, cured at room temperature and tested favorably for outgassing criteria. Applications of the devolatilized resin are potting compounds and conformal coatings.
Seidenberg, B.↗
Sensor capsule for diagnosis of gastric disorders
Motility and pH sensor capsule is developed to monitor gastric acidity, pressure, and temperature. Capsule does not interfere with digestion. Sensor is capsule which includes pH electrode, Pitran pressure transducer, and thermistor temperature sensor all potted in epoxy and enclosed in high density polyethylene sheath.
Holen, J. T.↗
Thermally conductive polymers
A thermally conductive polymer is provided having physical and chemical properties suited to use as a medium for potting electrical components. The polymer is prepared from hydroquinone, phenol, and formaldehyde, by conventional procedures employed for the preparation of phenol-formaldehyde resins. While the proportions of the monomers can be varied, a preferred polymer is formed from the monomers in a 1:1:2.4 molar or ratio of hydroquinone:phenol:formaldehyde.
Byrd, N. R.↗