Packaged gallium nitride material transistors and methods associated with the same
View Patent ↗The invention provides semiconductor material (e.g., gallium nitride material) devices (e.g., transistors) and methods associated with the same. The devices may be supported within a package that is formed, in part, of a polymeric material. In other embodiments, the devices may be mounted to a support (e.g., circuit board) and a polymeric material may encapsulate a portion of the device extending from the support.
1. A packaged semiconductor device comprising:
a package comprising a polymeric material portion;
at least two components each mounted directly on a support of said package, at least one of the components comprising a gallium nitride material and at least one of the components comprising silicon;
at least one of said at least two components comprising a matching network component that is adapted to transform an impedance of said packaged semiconductor device and forms a part of an impedance matching network;
at least one bond wire connecting a top surface of said at least one of the components comprising a gallium nitride material to a top surface of said at least one of the components comprising silicon.
2. The packaged semiconductor device of claim 1 , wherein one component comprises gallium nitride material and silicon with the gallium nitride material being a region formed over a silicon substrate.
3. The packaged semiconductor device of claim 1 , wherein said at least one component comprising gallium nitride is a transistor and said at least one component comprising silicon comprises said matching network component.
4. The packaged semiconductor device of claim 1 , wherein said polymeric material portion comprises a polyimide.
5. The packaged semiconductor device of claim 1 , wherein said polymeric material portion encapsulates said at least two components so as to physically contact at least one of said at least two components.
6. The packaged semiconductor device of claim 1 , wherein said support of said package is configured for attachment to a heatsink during use of said packaged semiconductor device.
7. The packaged semiconductor device of claim 1 , wherein said at least one component comprising gallium nitride comprises a power semiconductor device.
8. The packaged semiconductor device of claim 1 , wherein said at least one component comprising gallium nitride comprises a power semiconductor device configured for radio-frequency (RF) operation.
9. The packaged semiconductor device of claim 1 , wherein said at least one component comprising gallium nitride comprises a heterojunction device configured to produce a 2-dimensional electron gas (2DEG).
10. The packaged semiconductor device of claim 1 , wherein said at least one component comprising gallium nitride comprises a heterojunction field-effect transistor (HFET).
11. The packaged semiconductor device of claim 1 , wherein said at least one component comprising silicon comprises a complimentary metal-oxide-semiconductor (CMOS) component.
12. The packaged semiconductor device of claim 1 , wherein said at least one component comprising silicon comprises an impedance matching network component.
13. The packaged semiconductor device of claim 12 , wherein said at least one component comprising silicon is implemented to provide input impedance matching for said at least one component comprising gallium nitride.
14. The packaged semiconductor device of claim 13 , further comprising another component comprising silicon implemented to provide output impedance matching for said at least one component comprising gallium nitride.
15. The packaged semiconductor device of claim 1 , wherein said at least one component comprising silicon comprises a capacitor.