Inductor and MMIC

• Main Author: TSUKAHARA YOSHIHIRO
• Format: Patent
• Language: English
• Published: 17.06.2015
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SEMICONDUCTOR DEVICES; TRANSFORMERS

The object of the invention is to provide an inductor formed by lamination of an odd number layer of windings which is greater than or equal to three layers and capable of being connected with terminals by employing a simple structure. The inductor includes a first coil, an input terminal electrically connected to an outermost portion of the first coil, a first insulating film on the first coil in a covering manner, a second coil on the first insulating film, a second insulating film on the second coil in a covering manner, a swirling third coil on the second insulating film, a plurality of connection conductors that connect the first coil to the second coil at a plurality of locations so that a signal propagates through outside portions of the first coil and the second coil before propagating through other portions of the first coil and the second coil, a central portion connection conductor that connects a central portion of the first coil or a central portion of the second coil to a central portion of the third coil, and an output terminal electrically connected to an outermost portion of the third coil.