Title:
COIL AND CORELESS MOTOR USING IT
Document Type and Number:
Japanese Patent JPH08322221
Kind Code:
A
Abstract:
PURPOSE: To easily mass-produce an air-core coil having a function equal to that of a wound coil.
CONSTITUTION: A coil is constituted by respectively forming spiral stripe-like copper foil patterns 16-30 and l-15 twisted in the opposite directions on the internal and external surfaces of a plastic cylinder 61 and electrically connecting the patterns 16-30 on the internal surface to the patterns l-15 on the external surface, respectively, by alternately passing the patterns through holes 31-60 to bring the pattern in continuity.
Inventors:
OTA TSUTOMU
Application Number:
JP12666695A
Publication Date:
December 03, 1996
Filing Date:
May 25, 1995
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H02K23/58; (IPC1-7): H02K23/58
Attorney, Agent or Firm:
Kisaburo Suzuki (1 outside)
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