Integrated circuit with substantially perpendicular wire bonds
A method for performing a wire-bonding operation in an integrated circuit utilizes a bonding tool. A wire is bonded to a first bond site in the integrated circuit, and terminated at a second bond site in the integrated circuit. The bonding and terminating steps are repeated for a plurality of additional wire bonds of the integrated circuit. At least two wire bonds in the integrated circuit are substantially perpendicular to one another at a crossing point in a plan view of the integrated circuit.
1. A method for performing a wire-bonding operation in an integrated circuit, utilizing a bonding tool, the method comprising the steps of:
bonding a wire to a first bond site in the integrated circuit; and
terminating the wire at a second bond site;
wherein the bonding and terminating steps are repeated for a plurality of additional wires to form a first subset of bonded wires connecting a first circuit element of a plurality of circuit elements to a second circuit element of the plurality of circuit elements, and a second subset of bonded wires connecting the first circuit element to a lead of the integrated circuit package, wherein the second element is disposed at least partially between the first element and the lead of the integrated circuit package, and at least one bonded wire in the first subset of bonded wires and at least one bonded wire in the second subset of bonded wires are substantially perpendicular to one another at a crossing point of the bonded wires in a plan view of the integrated circuit.
2. The method of claim 1 , wherein a profile of at least one bonded wire in the first subset of bonded wires and a profile of at least one bonded wire in the second subset of bonded wires are substantially perpendicular to one another at a crossing point thereof.
3. The method of claim 1 , wherein the step of bonding a wire to a first bond site comprises bonding a wire to a die of the integrated circuit.
4. The method of claim 3 , wherein the step of terminating a wire at a second bond site for the first subset of bonded wires further comprises the step of terminating a wire at a capacitor of the integrated circuit.
5. The method of claim 4 , wherein bonded wires in the first subset of bonded wires comprise tuning wires.
6. The method of claim 4 , wherein the step of terminating a wire at a second bond site for the second subset of bonded wires further comprises the step of terminating a wire at a lead of a package of the integrated circuit.
7. The method of claim 6 , wherein the bonded wires in the second subset of bonded wires comprise signal wires.
8. The method of claim 6 , wherein the step of bonding a wire to a die of the integrated circuit comprises the step of bonding at least one wire of the first subset of bonded wires and at least one wire of the second subset of bonded wires in an alternating pattern on the die.
9. The method of claim 6 , further comprising the step of rotating the bonding tool by approximately 90 degrees after a series of bonding and terminating steps so that each wire in the first subset of bonded wires is substantially perpendicular to each wire in the second subset of bonded wires in a plan view of the integrated circuit.
10. The method of claim 6 , wherein the capacitor is offset from the die in a direction parallel with a length of the die.
11. The method of claim 1 , wherein mutual coupling of the first subset of bonded wires and the second subset of bonded wires is reduced to approximately zero.
12. The method of claim 1 , wherein at least one bonded wire in the first subset of bonded wires crosses a plurality of bonded wires in the second subset of bonded wires.
13. Apparatus for performing a wire-bonding operation in an integrated circuit, the apparatus comprising:
a bonding tool;
a memory; and
at least one processor, coupled to the memory, and operative to control the bonding tool to perform the steps of: (i) bonding a wire to a first bond site in the integrated circuit; and (ii) terminating the wire at a second bond site; wherein the bonding and terminating steps are repeated for a plurality of additional wires to form a first subset of bonded wires connecting a first circuit element of a plurality of circuit elements to a second circuit element of the plurality of circuit elements, and a second subset of bonded wires connecting the first circuit element to a lead of the integrated circuit package, wherein the second element is disposed at least partially between the first element and the lead of the integrated circuit package, and at least one bonded wire in the first subset of bonded wires and at least one bonded wire in the second subset of bonded wires are substantially perpendicular to one another at a crossing point of the bonded wires in a plan view of the integrated circuit.
14. An article of manufacture for performing a wire-bonding operation in an integrated circuit, utilizing a bonding tool, comprising a machine readable medium containing one or more programs which when executed implement the steps of:
bonding a wire to a first bond site in the integrated circuit; and
terminating the wire at a second bond site;
wherein the bonding and terminating steps are repeated for a plurality of additional wires to form a first subset of bonded wires connecting a first circuit element of a plurality of circuit elements to a second circuit element of the plurality of circuit elements, and a second subset of bonded wires connecting the first circuit element to a lead of the integrated circuit package, wherein the second element is disposed at least partially between the first element and the lead of the integrated circuit package, and at least one bonded wire in the first subset of bonded wires and at least one bonded wire in the second subset of bonded wires are substantially perpendicular to one another at a crossing point of the bonded wires in a plan view of the integrated circuit.