Electronic device and method of manufacturing the same
View Patent ↗An electronic device includes: an insulating substrate; at least one capacitor and an inductor that are formed directly on the insulating substrate; a line that connects the capacitor and the inductor from the above; and an external connecting pad unit that is made of the same conductor as the line and is disposed on the insulating substrate.
1. An electronic device comprising:
an insulating substrate;
at least one capacitor and an inductor that are formed directly on the insulating substrate the at least one capacitor including a lower electrode and an upper electrode;
a line that connects the upper electrode of the at least one capacitor and the inductor and is connected on a top surface of the upper electrode; and
an external connecting pad unit that is made of the same type of conductor as the line and is disposed on the insulating substrate.
2. The electronic device as claimed in claim 1 , wherein the inductor has a lower electrode in the same plane as the lower electrode of the at least one capacitor.
3. The electronic device as claimed in claim 1 , further comprising
an insulating film that covers the at least one capacitor and the inductor, with the line being disposed on the insulating film.
4. The electronic device as claimed in claim 1 , wherein the electronic device is covered with an insulating film, except for the surface of the pad unit.
5. The electronic device as claimed in claim 1 , wherein the line is formed across the inductor and the at least one capacitor in a free-standing state.
6. The electronic device as claimed in claim 1 , further comprising a resistor.
7. The electronic device as claimed in claim 1 , wherein the pad unit is disposed on a convexity of the insulating substrate.
8. The electronic device as claimed in claim 1 , wherein the pad unit is formed with the same layer as the layer forming the inductor and the same layer as the layer forming the line.
9. The electronic device as claimed in claim 8 , wherein the layer forming the line covers the outer periphery of at least one of regions formed with the same layer as the inductor.
10. The electronic device as claimed in claim 1 , wherein the at least one capacitor has an upper electrode formed with the same layer as the inductor.
11. The electronic device as claimed in claim 1 , wherein an insulating film is formed on an upper electrode of the at least one capacitor in such a manner as to cover the outer periphery of the upper electrode, with portions not covered with the insulating film being connected to the inductor via the line.
12. The electronic device as claimed in claim 1 , wherein the electronic device is used at 2 GHz or lower.
13. The electronic device as claimed in claim 1 , wherein:
the external connecting pad unit includes a lower electrode and an upper electrode; the inductor includes a lower electrode and an upper electrode;
the lower electrode of the external connecting pad unit is made of the same type of conductor as the lower electrode of the inductor; and
the upper electrode of the external connecting pad unit is made of the same type of conductor as the upper electrode of the inductor and the line.