Microminiature coaxial cable and method of manufacture
A coaxial cable is provided having a ribbon inner conductor surrounded by a dielectric and a circumferential conductor. The coaxial cable may be microminiature comprising a very thin ribbon strip conductor from between 5 to 15 [mu]m thick and from 150 to 200 [mu]m wide, having a surrounding foamed dielectric or parylene applied thereon by a vapor plasma process and an outer conductor of an adhering high conductivity metal vacuum deposited on the dielectric. Alternately, the foam dielectric embodiment may have a contiguous parylene coating applied adjacent the inner conductor or the outer conductor or both. Also, the cable may be fabricated by forming a thin ribbon of strip conductive material into an inner conductor, applying thereabout a dielectric by spraying on a solution of polystyrene and polyethylene and then vacuum depositing and adhering high conductivity metal about the dielectric. The cable strength may be increased by adding glass microfilament fibers or glass microspheres to the solution of polystyrene and polyethylene. Further, the outer conductive layer may be applied by electroless deposition in an aqueous solution rather than by vacuum deposition. A thin coating of parylene is preferably applied to the outer conductor to prevent its oxidation and inhibit mechanical abrasion. 2 figs.
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- Univ. of California, Berkeley, CA (United States)
- Patent Number(s):
- US 4816618; A
- Application Number:
- PPN: US 6-921792
- OSTI ID:
- 7267881
- Resource Relation:
- Patent File Date: 15 Oct 1986
- Country of Publication:
- United States
- Language:
- English
Similar Records
Microminiature coaxial cable and methods manufacture
Microminiature coaxial cable and methods manufacture
Related Subjects
42 ENGINEERING
COAXIAL CABLES
FABRICATION
MINIATURIZATION
ELECTRIC CONDUCTORS
SPRAYED COATINGS
VAPOR DEPOSITED COATINGS
CHEMICAL VAPOR DEPOSITION
DIELECTRIC MATERIALS
METALS
REINFORCED MATERIALS
SPRAY COATING
VACUUM COATING
CABLES
CHEMICAL COATING
COATINGS
CONDUCTOR DEVICES
DEPOSITION
ELECTRIC CABLES
ELECTRICAL EQUIPMENT
ELEMENTS
EQUIPMENT
MATERIALS
SURFACE COATING
360601* - Other Materials- Preparation & Manufacture
426000 - Engineering- Components
Electron Devices & Circuits- (1990-)