Vacuum deposition of high-quality metal films on porous substrates
A composite mandrel has been developed consisting of a core of low density polymethylpentene foam overcoated with a thin layer of film forming polymer. The surface tension and viscosity of the coating solution are important parameters in obtaining a polymer film which forms a continuous, smooth skin over the core without penetrating into the foam matrix. Water soluble film formers with surface tensions in the range of 45 dynes/cm and minimum viscosities of a few hundred centipoises have been found most satisfactory for coating polymethylpentene foam. By means of this technique, continuous polymer films with thicknesses of 10 to 20 ..mu..m have been formed on the surface of machined polymethylpentene foam blanks. Aluminum has been vacuum deposited onto these composite mandrels to produce metal films which appear smooth and generally defect free even at 10,000 times magnification.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6056422
- Report Number(s):
- LA-UR-81-2820; CONF-811113-16; ON: DE82000573
- Resource Relation:
- Journal Volume: 20; Journal Issue: 4; Conference: American Vacuum Society national symposium, Anaheim, CA, USA, 3 Nov 1981
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ALUMINIUM
DEPOSITION
FOAMS
SURFACE COATING
LASER TARGETS
POLYMERS
FILMS
INERTIAL CONFINEMENT
MICROSTRUCTURE
SCANNING ELECTRON MICROSCOPY
THERMONUCLEAR FUELS
THERMONUCLEAR REACTORS
VISCOSITY
COLLOIDS
CONFINEMENT
CRYSTAL STRUCTURE
DISPERSIONS
ELECTRON MICROSCOPY
ELEMENTS
FUELS
METALS
MICROSCOPY
PLASMA CONFINEMENT
TARGETS
060201* - Fusion Fuels- Fabrication & Testing- (1980-1987)