| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a double-wound extendable coil used for a displacement sensor having a high effective length ratio, by improving a displacement sensor comprising a conventional extendable spiral sliding inductor reactor, and an inductor formed thereby. SOLUTION: The double-wound extendable coil comprising a wire with a flat cross section forms a double-wound extendable coil comprising a wire with a flat cross section comprising overlaid inner and outer layer coils 15, 16. Both ends of the inner layer coil and the outer layer coil are connected respectively to form a short-circuited coil to construct the inductor. COPYRIGHT: (C)2004,JPO
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