The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 09, 1999
Filed:
Aug. 22, 1997
Masanori Ikari, Annaka, JP;
Masayuki Tanno, Annaka, JP;
Toshihiko Ryuo, Annaka, JP;
Takao Kuki, Tokyo, JP;
Toshihiro Nomoto, Tokyo, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Nippon Hoso Kyokai, Tokyo, JP;
Abstract
A reflection-type S/N enhancer includes a Gd.sub.3 Ga.sub.5 O.sub.12 substrate off-angled from a {110} plane. A magnetic thin film including a crystal of garnet is formed on the Gd.sub.3 Ga.sub.5 O.sub.12 substrate by liquid-phase epitaxy. The magnetic thin film has a saturation magnetization in a range of 500 G to 1,100 G. A transducer is operative for exciting magnetostatic wave in the magnetic thin film in response to an RF electric signal. A bias magnetic field is applied to the magnetic thin film. There is a relation as .vertline..theta..sub.1 +.theta..sub.2 .vertline.<45.degree., where '.theta..sub.1 ' denotes an angle between a longitudinal direction of the transducer and a <001> orientation of the crystal in the magnetic thin film, and '.theta..sub.2 ' denotes an angle between a direction of the bias magnetic field and a transverse direction of the transducer in a horizontal plane. The transverse direction of the transducer is perpendicular to the longitudinal direction thereof.