Multi-chip semiconductor connector assemblies
View Patent ↗In one exemplary embodiment, a multi-chip semiconductor connector is utilized for forming a semiconductor package having a plurality of semiconductor die. The multi-chip semiconductor connector is utilized to mechanically attach the plurality of semiconductor die together and to provide electrical connection to the plurality of semiconductor die.
1. A multi-chip semiconductor connector assembly comprising:
a first semiconductor die having a plurality of connection points on a first surface of the first semiconductor die;
a second semiconductor die having a plurality of connection points on a first surface of the second semiconductor die
a first conductive strip having a first attachment area mechanically attached to a first connection point of the plurality of connection points of the first semiconductor die where the mechanically attached also forms an electrical connection between the first conductive strip and the first connection point and wherein the electrical connection is devoid of a wirebond connection; and
a second conductive strip having a first attachment area attached to a first connection point of the plurality of connection points of the second semiconductor die wherein the first semiconductor die is in a first plane and the second semiconductor die is in a second plane that is different from the first plane.
2. The multi-chip semiconductor connector assembly of claim 1 wherein at least a portion of the first semiconductor die overlies a portion of the second semiconductor die.
3. The multi-chip semiconductor connector assembly of claim 1 further including an insulator between the first conductive strip and the second conductive strip and attached to both the first and second conductive strips.
4. The multi-chip semiconductor connector assembly of claim 1 further including a third semiconductor die having a first connection point attached to a second attachment area of the first conductive strip, and having a second connection point attached to a second attachment area of the second conductive strip wherein at least a portion of the third semiconductor die overlies a portion of the second semiconductor die.
5. The multi-chip semiconductor connector assembly of claim 1 further including a third conductive strip having a first attachment area attached to a second connection point of the plurality of connection points of the first semiconductor die, and a fourth conductive strip having a first attachment area attached to a second connection point of the plurality of connection points of the second semiconductor die.
6. The multi-chip semiconductor connector assembly of claim 1 further including a third conductive strip having a first attachment area attached to a second connection point of the plurality of connection points of the first semiconductor die and having a second attachment area attached to a second connection point of the plurality of connection points of the second semiconductor die.
7. The multi-chip semiconductor connector assembly of claim 1 further including a third conductive strip having a first attachment area attached to a second connection point of the plurality of connection points of the first semiconductor die and further including an insulator between the second semiconductor die and the third conductive strip wherein the insulator is attached to the second semiconductor die and to the third conductive strip.
8. The multi-chip semiconductor connector assembly of claim 1 further including a third conductive strip having a first attachment area attached to a second connection point of the plurality of connection points of the first semiconductor die and having a second attachment area attached to a second connection point of the plurality of connection points of the second semiconductor die.
9. The multi-chip semiconductor connector assembly of claim 1 further including a second surface of the second semiconductor die attached to a flag of a semiconductor package leadframe.
10. The multi-chip semiconductor connector assembly of claim 9 further including a distal end of the first conductive strip attached to a first lead of the semiconductor package leadframe and a distal end of the second conductive strip attached to a second lead of the semiconductor package leadframe.
11. The multi-chip semiconductor connector assembly of claim 9 wherein the semiconductor package leadframe is one of a TO-220 type leadframe or a QFN type leadframe.
12. A multi-chip semiconductor connector assembly comprising:
a first conductive strip having a first attachment area on a first surface and a second attachment area on a second surface;
a first semiconductor die having a plurality of connection points on a first surface of the first semiconductor die with a first connection point of the plurality of connection points attached to the first attachment area of the first conductive strip;
a second semiconductor die having a plurality of connection points on a first surface of the second semiconductor die with a first connection point of the plurality of connection points attached to the second attachment area of the first conductive strip wherein a portion of the first semiconductor die overlies a portion of the second semiconductor die;
a second conductive strip attached to a second connection point of the plurality of connection points of the first semiconductor die; and
a third conductive strip attached to a second connection point of the plurality of connection points of the second semiconductor die.
13. The multi-chip semiconductor connector assembly of claim 12 further including a third semiconductor die attached between the second conductive strip and the third conductive strip.