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US 2001/0022543 A1Published application
Resonator, filter, duplexer, and communication apparatus
AssigneeMurata Manufacturing Co., Ltd.
InventorsMasamichi Ando, Norihiro Tanaka, Hidekazu Sasai
Life of this patent
Estimating the term…
Abstract
A resonator includes a conductive casing provided with a threaded screw hole, a screw at least partially inserted into the casing, and a fixing member fixing the screw and having a threaded screw hole. In the resonator, the linear expansivity of the casing and the linear expansivity of the fixing member, and preferably also that of the screw, are substantially equal.
Claims11
A resonator comprising:
- a conductive casing provided with a threaded screw hole;
- a screw at least partially inserted into said screw hole in said casing;
- and
- a fixing member fixing said screw with respect to said casing via a threaded screw hole in said fixing member, wherein the linear expansivity of said casing and the linear expansivity of said fixing member are substantially equal.
1 more element
A resonator comprising:
- a conductive casing provided with a threaded screw hole;
- a screw at least partially inserted into said screw hole in said casing;
- and
- a fixing member fixing said screw with respect to said casing via a threaded screw hole in said faxing member, wherein said casing and said fixing member are made from the same material.
1 more element
Dependencies are inferred from the claim text.