THIN TRANSFORMER COIL

Title:

THIN TRANSFORMER COIL

Document Type and Number:

Japanese Patent JPH11307366

Kind Code:

A

Abstract:

To provide a thin transformer coil with high magnetic coupling, good conversion efficiency, and small defective effects from proximity effects between coil patterns in a high-frequency region.

Printed coils 2 and 3 are formed on both sides of an insulating board 1, and a core is assembled in the insulating board 1 with the printed coils 2 and 3. The input coil pattern 2 and the output coil pattern 3 are formed adjacently on the same face of the insulating board 1. The input coil pattern 2 and the output coil pattern 3 are formed facing opposite on the front and rear faces of the insulating board 1.

Inventors:

KAWAKUBO NAOKI
SUGIMOTO SATOSHI
SATO NORIO

Application Number:

JP11713198A

Publication Date:

November 05, 1999

Filing Date:

April 27, 1998

Export Citation:

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Assignee:

TDK CORP

International Classes:

H01F17/00; H01F19/00; H01F30/00; H01F27/28; (IPC1-7): H01F30/00; H01F17/00; H01F19/00; H01F27/28

Attorney, Agent or Firm:

Shoichi Wakata

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