Pressed V-groove pancake slip ring
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United States of America Patent
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-
Mar 25, 2003
Issued Date -
N/A
app pub date -
Feb 9, 2001
filing date -
Sep 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention advantageously provides a cost effective flat rotor for a pancake type slip ring. A flat copper coil sheet is stamped into a corrugated shape having concentric V-ring grooves. The corrugated stamped copper foil sheet is bonded using a bonding agent to a dielectric layer. Multiple concentric V-grooves are formed by separating the grooves, for example, by machining the grooves at an apex thereof in order to form separate electrical circuits. A corresponding plurality of holes extend through each concentric ring and through the dielectric layer from the first side through the second side. A conductive material is placed in each of the plurality of holes to electrically connect each concentric ring to the second side.
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