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US 10,952,326 B2Granted
Printed wiring board and switching regulator
AssigneeMurata Manufacturing Co., Ltd.
InventorsAkinori Hamada, Yoshimasa Yoshioka, Yoshinori Taguchi, Ryuichiro Tominaga
Life of this patent
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Abstract
A printed wiring board comprises a sheet-shaped core base material containing a magnetic material, a coil disposed inside the core base material, and an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.
Claims16
A printed wiring board comprising:
- a sheet-shaped core base material containing a magnetic material;
- a coil which is a single-layer pattern having a straight line shape that is disposed inside a single magnetic material layer of the sheet-shaped core base material;
- and
- an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.
1 more element
Dependencies are inferred from the claim text.