IP Library Granted Patent US 7,786,603
Granted Patent B2
US 7,786,603 · App. 11/262,057 · Granted Aug 31, 2010

Electronic assembly having graded wire bonding

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Quick Facts
Patent No.
US 7,786,603
App. No.
11/262,057
Granted
Aug 31, 2010
Kind
B2
Abstract

According to one aspect of the present invention, an electronic assembly is provided. The electronic assembly comprises a substrate with a lead connected thereto and first and second microelectronic components on the substrate. The first microelectronic component has first and second portions. A plurality of conductors interconnects the first microelectronic component and a selected one of the lead and the second microelectronic component. A first of the conductors contacts the first portion of the first microelectronic component and has a first inductance, and a second of the conductors contacts the second portion of the microelectronic component and has a second inductance. The second inductance is greater than the first inductance.

Claims (42)

1. An electronic assembly, comprising:

a substrate;

a lead connected to the substrate;

a first microelectronic component having first and second portions on the substrate;

a second microelectronic component on the substrate; and

a plurality of conductors interconnecting a first contact region and a second contact region, the first contact region being on the first component and the second contact region being on a selected one of the lead and the second microelectronic component, a first of the conductors having a first inductance and a second of the conductors having a second inductance, the second inductance being greater than the first inductance,

wherein each of the conductors contacts a respective pair of first and second contact points, the first contact point being in the first contact region and the second contact point being in the second contact region, and a distance between the first and second contacts points that are contacted by the first of the conductors is substantially the same as a distance between the first and second contact points that are contacted by the second of the conductors.

2. The electronic assembly of claim 1 , wherein the first of the conductors has a first length and the second of the conductors has a second length, the second length being greater than the first length.

3. The electronic assembly of claim 2 , wherein the first of the conductors extends to a first height above the substrate and the second of the conductors extends to a second height above the substrate, the second height being greater than the first height.

4. The electronic assembly of claim 3 , wherein the conductors are wires and each of the distances between the respective first and second contact points are measured along an upper surface of the substrate.

5. The electronic assembly of claim 4 , wherein the plurality of conductors comprises a first group of conductors and a second group of conductors, the first group of conductors contacting the first portion of the microelectronic component with a first wire density and the second group of the conductors contacting the second portion of the microelectronic component with a second wire density, the first wire density being higher than the second wire density.

6. The electronic assembly of claim 5 , wherein the first microelectronic component further comprises a third portion, the first portion and the third portion being on opposing sides of the second portion, and wherein the plurality of conductors further comprises a third group contacting the third portion of the microelectronic component with a third wire density, the third wire density being higher than the second wire density.

7. The electronic assembly of claim 2 , wherein each of the plurality of conductors comprises first and second opposing ends, and wherein the first and the second of the conductors are arranged such that a distance between the first and second ends of the first of the conductors is substantially the same as a distance between the first and second ends of the second of the conductors.

8. A RF power amplifier, comprising:

a substrate;

a lead connected to the substrate;

a first microelectronic component having first, second, and third portions on the substrate, the first and third portions being on opposing sides of the second portion;

a second microelectronic component on the substrate; and

a plurality of conductors interconnecting a first contact region and a second contact region, the first contact region being on the first microelectronic component and the second contact region being on a selected one of the lead or the second microelectronic component,

wherein each of the conductors contacts a respective pair of first and second contact points, the first contact point being in the first contact region and the second contact point being in the second contact region, and a greater number of the first contact points are on the first and third portions of the first microelectronic component per unit length of the first microelectronic component than on the second portion of the microelectronic component, and a distance between the first and second contact points is substantially the same for each pair of first and second contact points.

9. The RF power amplifier of claim 8 , wherein the plurality of conductors interconnect the first microelectronic component and the lead, and further comprising a second plurality of conductors interconnecting the first microelectronic component and the second microelectronic component.

10. The RF power amplifier of claim 8 , wherein a first of the conductors has a first inductance and a second of the conductors has a second inductance, the second inductance being greater than the first inductance.

11. The RF power amplifier of claim 10 , wherein the first of the conductors has a first length and the second of the conductors has a second length, the second length being greater than the first length.

12. The RF power amplifier of claim 11 , wherein the first of the conductors extends to a first height above the substrate and the second of the conductors extends to a second height above the substrate, the second height being greater than the first height.

13. The RF power amplifier of claim 12 , wherein the conductors are wires and when viewed from a direction that is substantially perpendicular to the substrate, the plurality of wires extend from the first microelectronic component substantially parallel to one another, and wherein each of the distances between the respective first and second contact points is measured along an upper surface of the substrate.

14. The RF power amplifier of claim 13 , wherein first microelectronic component is a microelectronic die having a plurality of transistors formed thereon.

15. A RF power amplifier, comprising:

a package substrate;

a lead connected to the package substrate;

a microelectronic die on the package substrate, the microelectronic die having first, second, and third transistors formed on respective first, second, and third portions thereof, the first and third portions being on opposing sides of the second portion;

a microelectronic component on the substrate;

first and second contact regions, the first contact region being on the microelectronic die and the second contact region being on a selected one of the lead and the microelectronic component; and

a first plurality of conductors interconnecting the first and second contact regions, a first number of the first plurality of conductors contacting the first portion of the microelectronic die per unit length of the microelectronic die and the first plurality of conductors having a first average length;

a second plurality of conductors interconnecting the first and second contact portions, a second number of the second plurality of conductors contacting the second portion of the microelectronic die per unit length of the microelectronic die and the second plurality of conductors having a second average length; and

a third plurality of conductors interconnecting the first and second contact portions, a third number of the third plurality of conductors contacting the third portion of the microelectronic die per unit length of the microelectronic die and the third plurality of conductors having a third average length,

wherein the first number of the first plurality of conductors contacting the first portion of the microelectronic die per unit length of the microelectronic die and the second number of the second plurality of conductors contacting the second portion of the microelectronic die per unit length of the microelectronic die are greater than the third number of the third plurality of conductors contacting the third portion of the microelectronic die per unit length of the microelectronic die, and the first and third average lengths are less than the second average length, and

wherein each conductor of the first plurality of conductors, the second plurality of conductors, and the third plurality of conductors comprises first and second opposing ends and the first plurality of conductors, the second plurality of conductors, and the third plurality of conductors are arranged such that a distance between the first and seconds ends of each conductor of the first plurality of conductors, the second plurality of conductors, and the third plurality of conductors is substantially the same.

16. The RF power amplifier of claim 15 , wherein the first plurality of conductors extend to a first average height above the microelectronic die, the second plurality of conductors extend to a second average height above the microelectronic die, and the third plurality of conductors extend to a third average height, the second average height being greater than the first and third average heights.

17. The RF power amplifier of claim 15 , wherein the first plurality of conductors, the second plurality of conductors, and third plurality of conductors are wires and the distance between the first and seconds ends of each conductor of the first plurality of conductors, the second plurality of conductors, and the third plurality of conductors is measured along an upper surface of the package substrate.

18. The RF power amplifier of claim 17 , further comprising a second lead connected to the package substrate, a second microelectronic component on the package substrate, and a fourth plurality of wires interconnecting the microelectronic die, the second microelectronic component, and the second lead.

19. The RF power amplifier of claim 18 , wherein the microelectronic die, the microelectronic component, the second microelectronic component, the first plurality of wires, the second plurality of wires, the third plurality of wires, and the fourth plurality of wires jointly form a first set of microelectronic components, and further comprising a second set of microelectronic components substantially identical to the first microelectronic components.

20. The RF power amplifier of claim 15 , wherein the selected one of the lead and the microelectronic component is the microelectronic component.

Assignments (17)
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 040925 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE OF SECURITY INTEREST. Recorded Feb 17, 2020
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP, B.V. F/K/A FREESCALE SEMICONDUCTOR, INC.
Reel/Frame 052917/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 040928 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE OF SECURITY INTEREST. Recorded Jan 17, 2020
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
Reel/Frame 052915/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 11759915 AND REPLACE IT WITH APPLICATION 11759935 PREVIOUSLY RECORDED ON REEL 037486 FRAME 0517. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS. Recorded Dec 10, 2019
From: CITIBANK, N.A.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 053547/0421 →
RELEASE OF SECURITY INTEREST Recorded Sep 10, 2019
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
Reel/Frame 050744/0097 →
CORRECTIVE ASSIGNMENT TO CORRECT THE TO CORRECT THE APPLICATION NO. FROM 13,883,290 TO 13,833,290 PREVIOUSLY RECORDED ON REEL 041703 FRAME 0536. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS.. Recorded Feb 20, 2019
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: SHENZHEN XINGUODU TECHNOLOGY CO., LTD.
Reel/Frame 048734/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE PATENTS 8108266 AND 8062324 AND REPLACE THEM WITH 6108266 AND 8060324 PREVIOUSLY RECORDED ON REEL 037518 FRAME 0292. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS. Recorded Feb 1, 2017
From: CITIBANK, N.A.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 041703/0536 →
CORRECTIVE ASSIGNMENT TO CORRECT THE NATURE OF CONVEYANCE LISTED CHANGE OF NAME SHOULD BE MERGER AND CHANGE PREVIOUSLY RECORDED AT REEL: 040652 FRAME: 0180. ASSIGNOR(S) HEREBY CONFIRMS THE MERGER AND CHANGE OF NAME. Recorded Jan 12, 2017
From: FREESCALE SEMICONDUCTOR INC.
To: NXP USA, INC.
Reel/Frame 041354/0148 →
CHANGE OF NAME Recorded Nov 8, 2016
From: FREESCALE SEMICONDUCTOR INC.
To: NXP USA, INC.
Reel/Frame 040652/0180 →
RELEASE OF SECURITY INTEREST Recorded Nov 7, 2016
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP B.V.
Reel/Frame 040928/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 21, 2016
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: NXP, B.V., F/K/A FREESCALE SEMICONDUCTOR, INC.
Reel/Frame 040925/0001 →
SUPPLEMENT TO THE SECURITY AGREEMENT Recorded Jun 16, 2016
From: FREESCALE SEMICONDUCTOR, INC.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 039138/0001 →
ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS Recorded Jan 13, 2016
From: CITIBANK, N.A.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 037518/0292 →
ASSIGNMENT AND ASSUMPTION OF SECURITY INTEREST IN PATENTS Recorded Jan 12, 2016
From: CITIBANK, N.A.
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 037486/0517 →
PATENT RELEASE Recorded Dec 21, 2015
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: FREESCALE SEMICONDUCTOR, INC.
Reel/Frame 037356/0553 →
PATENT RELEASE Recorded Dec 21, 2015
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: FREESCALE SEMICONDUCTOR, INC.
Reel/Frame 037354/0225 →
PATENT RELEASE Recorded Dec 21, 2015
From: CITIBANK, N.A., AS COLLATERAL AGENT
To: FREESCALE SEMICONDUCTOR, INC.
Reel/Frame 037356/0143 →
SECURITY AGREEMENT Recorded Nov 6, 2013
From: FREESCALE SEMICONDUCTOR, INC.
To: CITIBANK, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 031591/0266 →