| 摘要 |
A DC-DC converter of a laminated, hybrid integrated type comprising a laminated transformer having printed conductor layers on its surface and electronic components attached to the surface. The laminated transformer is formed by alternately laminating a plurality of insulator layers and two sets of conductor layers insulated from each other. The conductor layers are connected at ends to constitute primary and secondary wirings in an inter-layer formation. The laminated transformer has a glass undercoat formed thereon or a laminated capacitor deposited on its surface to provide a base for the other electronic components.
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