Title:
TRANSFORMER, ITS MANUFACTURE AND COIL WINDING APPARATUS
Document Type and Number:
Japanese Patent JPH07142263
Kind Code:
A
Abstract:
PURPOSE: To provide a transformer which is excellent in transformer performance, can be made thin and lightweight, has a high productivity and is low- cost.
CONSTITUTION: A plurality of flat coils 1 to 5 obtained in such a way that insulating conductors 11, 21, 31, 41, 51 provided with electric insulating layers at least on the outer circumference are wound to be spiral are laminated, and a coil laminated body in which the individual coils 1 to 5 are bonded integrally is constituted. Then, the insulating conductors 11, 21, 31, 41, 51 are connected to each other in such a way that primary coils and secondary coils are arranged alternately in the lamination direction of the coil laminated body.
Inventors:
TAKIZAWA KAZUHIRO
OBARA TETSUYA
OBARA TETSUYA
Application Number:
JP29204793A
Publication Date:
June 02, 1995
Filing Date:
November 22, 1993
Export Citation:
Assignee:
HITACHI MIZUSAWA ELECTRONICS
International Classes:
H01F27/28; H01F27/00; H01F30/00; H01F41/04; (IPC1-7): H01F27/28; H01F27/00; H01F30/00; H01F41/04
Attorney, Agent or Firm:
Kenjiro Take