| US 7,535,331 B2 | ||
| Booster transformer for driving magnetron and transformer unit having the booster transformer | ||
| Shinichi Sakai, Nara (Japan); Keiichi Satou, Daito (Japan); Kenji Yasui, Yamatokoriyama (Japan); Haruo Suenaga, Katano (Japan); and Hisahi Morikawa, Kitakatsuragi-gun (Japan) | ||
| Assigned to Panasonic Corporation, Osaka (Japan) | ||
| Appl. No. 10/551,729 PCT Filed Apr. 14, 2004, PCT No. PCT/JP2004/005327 § 371(c)(1), (2), (4) Date Oct. 03, 2005, PCT Pub. No. WO2004/093104, PCT Pub. Date Oct. 28, 2004. |
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| Claims priority of application No. 2003-110391 (JP), filed on Apr. 15, 2003. | ||
| Prior Publication US 2007/0103952 A1, May 10, 2007 | ||
| Int. Cl. H01F 27/30 (2006.01) | ||
| U.S. Cl. 336—208 | 4 Claims |
| 1. A booster transformer for driving a magnetron, comprising:
a bobbin having a primary winding and a secondary winding wound thereon; and
a core inserted into a center of said bobbin,
wherein a winding area of said secondary winding is divided into two areas while interposing a partition wall, and an outer
diameter d of a wire of said secondary winding, a width t1 of each of the divided wiring areas and a thickness t2 of said partition wall are so set as to satisfy the relation 0.8t2<t1<11d.
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