| 摘要 |
PURPOSE:To improve the adhesive strength between two blocks without dropping magnetic permeability by forming silicon oxide films at both sides of center core half bodies and at the side of the center core of a side core half and placing an adhesive layer between the films so as to adhere them. CONSTITUTION:The center core half bodies 2a and 2b are made of amorphous materials, and the silicon oxide films 10 are formed at both sides of the center core half bodies 2a and 2b and at the side surface of the center core half bodies 2a and 2b of the side core half bodies 3a and 3b by spatter deposition, etc. The adhesive layer 11 through adhesive layer 10 are composed of an adhesive, synthetic resin, glass and etc. Then directly, the layer 11 comes contact with the silicon oxide films 10 formed at the sides of the center core half bodies 2a and 2b and the side core half bodies 3a and 3b, and show the powerful adhesive strength between them.
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