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Patent Searching and Data


Title:
MANUFACTURE OF THIN TRANSFORMER
Document Type and Number:
Japanese Patent JPS5990908
Kind Code:
A
Abstract:

PURPOSE: To obtain a high-performance coil which can be formed into any desired shape and has reduced leakage magnetic flux through shielding effect, by directly fitting a ferrite core with an electronic circuit board having terminals to which pins are bonded by making use of the pins, and bonding the core by means of resin mold or surrounding the core with a plastic bobbin.

CONSTITUTION: Each of the ferrite cores 1 is tabular and has projections and a recess formed on one side thereof. When two ferrite cores 1 are butted against each other, projections 11, 12, 13, 14, 15 serve as bonded surfaces of the cores 11. On the other hand, a recess 16 is adapted to fit with a wired board. The core 1 is wired, and an electronic circuit board 3 having terminals to which pins 31 are bonded is fitted and secured in the recess 16 of the core 1. The core fitted with the board is engaged with another tabular ferrite core.


Inventors:
ISHIWAKI MASAO
Application Number:
JP20168682A
Publication Date:
May 25, 1984
Filing Date:
November 17, 1982
Export Citation:
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Assignee:
NIPPON FERRITE KK
International Classes:
H01F41/00; H01F19/04; H01F30/00; (IPC1-7): H01F41/00