Mechanically stable, high aspect ratio, multifilar, wound, ribbon-type conductor and method for manufacturing same
- Center Moriches, NY
A mechanically stable, wound, multifilar, ribbon-type conductor having a cross-sectional aspect ratio which may be greater than 12:1, comprising a plurality of conductive strands wound to form a flattened helix containing a plastic strip into which the strands have been pressed so as to form a bond between the strip and the strands. The bond mechanically stabilizes the conductor under tension, preventing it from collapsing into a tubular configuration. In preferred embodiments the plastic strip may be polytetrafluoroethylene, and the conductive strands may be formed from a superconductive material. Conductors in accordance with the present invention may be manufactured by winding a plurality of conductive strands around a hollow mandrel; the cross-section of a hollow mandrel; the cross-section of the mandrel continuously varying from substantially circular to a high aspect ratio elipse while maintaining a constant circumference. The wound conductive strands are drawn from the mandrel as a multifilar helix while simultaneously a plastic strip is fed through the hollow mandrel so that it is contained within the helix as it is withdrawn from the mandrel. The helical conductor is then compressed into a ribbon-like form and the strands are bonded to the plastic strip by a combination of heat and pressure.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH00016
- Assignee:
- United States of America as represented by Department of Energy (Washington, DC)
- Patent Number(s):
- H000369
- Application Number:
- 06/358086
- OSTI ID:
- 875203
- Resource Relation:
- Patent File Date: 1982 Mar 15
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
mechanically
stable
aspect
ratio
multifilar
wound
ribbon-type
conductor
manufacturing
cross-sectional
comprising
plurality
conductive
strands
form
flattened
helix
containing
plastic
bond
stabilizes
tension
preventing
collapsing
tubular
configuration
preferred
embodiments
strip
polytetrafluoroethylene
formed
superconductive
material
conductors
accordance
manufactured
winding
cross-section
hollow
mandrel
continuously
varying
substantially
circular
elipse
maintaining
constant
circumference
simultaneously
fed
contained
withdrawn
helical
compressed
ribbon-like
bonded
combination
heat
pressure
mechanically stable
preferred embodiments
aspect ratio
conductive material
preferred embodiment
superconductive material
hollow mandrel
continuously varying
ribbon-type conductor
substantially circular
/174/29/