Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2006-01-10
2006-01-10
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C029S597000
Reexamination Certificate
active
06984915
ABSTRACT:
A slip ring and a method for manufacturing a slip ring utilizes a first double clad copper laminate with a first side and a second side separated by a first dielectric and a second double clad copper laminate with a third side and a fourth side separated by a second dielectric. Copper is selectively removed from the second and third sides to provide desired patterns in the copper. The second and third sides are joined in a desired orientation. Substantially, all of the copper from a window in the first and fourth sides is removed to expose the first and second dielectrics. A plurality of concentric grooves is machined into the first and second dielectrics from the first and fourth sides and the concentric grooves are metalized to provide a plurality of concentric metalized rings.
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U.S. Appl. No. US 2001/004176 A1, Jun. 21, 2001, to Perdue.
Electro-Tec Corp.
Mullins Burton
Price Heneveld Cooper DeWitt & Litton LLP
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