Title:
SHEET TRANSFORMER, MANUFACTURE THEREFOR AND SWITCHING POWER SOURCE MODULE INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP3818478
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a sheet transformer which has a thin type being suitable for adapting for a switching power source module, a low conductive resistance, a high efficiency and a low cost.
SOLUTION: A sheet transformer is provided with a coil part and a ferrite core which is inserted into the coil part, the coil part is provided with a sheet coil laminating body 11 with a primary side circuit being formed and a multilayer printed circuit board 6 with a secondary side circuit being formed, the sheet coil laminating body is formed by a first laminating body and the multilayer printed circuit board 6 is separated from the first laminating body.
Inventors:
Megumi Tanimoto
Application Number:
JP25442798A
Publication Date:
September 06, 2006
Filing Date:
September 08, 1998
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H01F17/00; H01F41/00; H01F19/00; H01F30/00; H01F41/04; H02M3/28; (IPC1-7): H01F30/00; H01F17/00; H01F19/00; H01F41/00; H01F41/04; H02M3/28
Domestic Patent References:
| JP3019334U | ||||
| JP7115024A | ||||
| JP6325952A | ||||
| JP582350A | ||||
| JP10189355A | ||||
| JP6144815U |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Takeshi Oshio
Takaaki Yasumura
Takeshi Oshio
Previous Patent: CONTROLLER FOR VENDING MACHINE
Next Patent: PRODUCTION OF ALLOY POWDER AND IRON POWDER
Next Patent: PRODUCTION OF ALLOY POWDER AND IRON POWDER