Micro electro-mechanical sensor (MEMS) fabricated with ribbon wire bonds
View Patent ↗A micro electro-mechanical sensor is provided. The micro electro-mechanical sensor includes a substrate, and a conducting plane disposed on the substrate. A conducting via is disposed on the substrate, such as adjacent to the conducting plane. A plurality of ribbon conductors are disposed over the conducting plane and electrically connected to the conducting via, such that the plurality of ribbon conductors form a transducer array in combination with the conducting plane, such as through capacitive coupling that changes in response to changes in the physical shape of the plurality of ribbons.
1. A micro electro-mechanical sensor comprising:
a substrate;
a conducting plane disposed on the substrate;
a conducting via disposed on the substrate;
a plurality of conductors disposed over the conducting plane and electrically connected to the conducting via, the plurality of conductors forming a transducer array in combination with the conducting plane; and
a plurality of active devices disposed between the conductors.
2. The micro electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane.
3. The micro electro-mechanical sensor of claim 1 further comprising an insulating layer between the plurality of conductors and the conducting plane.
4. The micro electro-mechanical sensor of claim 1 wherein the conducting via further comprises two conducting vias disposed on opposite sides of the conducting plane.
5. The micro electro-mechanical sensor of claim 1 further comprising a bus structure coupled to the plurality of active devices.
6. The micro electro-mechanical sensor of claim 1 further comprising a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.
7. The micro-electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane and an insulating layer between the plurality of conductors and the conducting plane.
8. The micro electro-mechanical sensor of claim 7 wherein the conducting via further comprises two conducting vias disposed on opposite sides of the conducting plane.
9. The micro electro-mechanical sensor of claim 7 further comprising a bus structure coupled to the plurality of active devices.
10. The micro electro-mechanical sensor of claim 7 further comprising a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.
11. The micro electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane, and two conducting vias disposed on opposite sides of the conducting plane.
12. The micro electro-mechanical sensor of claim 11 further comprising a bus structure coupled to the plurality of active devices.
13. The micro electro-mechanical sensor of claim 11 further comprising a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.
14. The micro electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane and a bus structure coupled to the plurality of active devices.
15. The micro electro-mechanical sensor of claim 14 further comprising a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.
16. The micro electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane and a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.
17. The micro electro-mechanical sensor of claim 1 further comprising an air gap between the plurality of conductors and the conducting plane, an insulating layer between the plurality of conductors and the conducting plane and two conducting vias disposed on opposite sides of the conducting plane.
18. A micro electro-mechanical sensor comprising:
a substrate;
a conducting plane disposed on the substrate;
a conducting via disposed on the substrate;
a plurality of non-carbon conductors disposed over the conducting plane and electrically connected to the conducting via, the plurality of non-carbon conductors forming a transducer array in combination with the conducting plane; and
a plurality of active devices disposed between the non-carbon conductors.
19. The micro electro-mechanical sensor of claim 18 wherein the plurality of non-carbon conductors comprise one or more gold conductors.
20. A micro electro-mechanical sensor comprising:
a substrate;
a conducting plane disposed on the substrate;
a conducting via disposed on the substrate;
a plurality of conductors disposed over the conducting plane and electrically connected to the conducting via, the plurality of conductors forming a transducer array in combination with the conducting plane;
a plurality of active devices disposed between the conductors;
an air gap between the plurality of conductors and the conducting plane;
an insulating layer between the plurality of conductors and the conducting plane;
two conducting vias disposed on opposite sides of the conducting plane;
a bus structure coupled to the plurality of active devices; and
a wedge bond connecting at least one of the plurality of conductors to a metallic conducting via.