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US6528890B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit, method of adhering an integrated circuit device to a substrate, and method of forming a circuit

Assignee: Round Rock Research LLC
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Filing: 2000-07-14
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Granted: 2003-03-04
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Expires: 2020-07-14
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Abstract

Abstract The present invention includes circuits, methods of adhering an integrated circuit device to a substrate, and methods of forming a circuit. According to one aspect of the present invention, a method of forming a circuit includes: providing an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; providing a substrate having a plurality of bond pads which correspond to respective ones of the conductive bumps; providing an electrically insulative adhesive over at least a portion of the outer surface of the integrated circuit device; and coupling the integrated circuit device and the substrate following the providing the adhesive, the coupling connecting the outer surface of the integrated circuit device with the substrate and forming a plurality of electrical interconnections comprising the conductive bumps and the bond pads.

Inventors

  • 👤 Joseph M. Brand

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:06
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/01; H10W72/012; H10W72/071; H10W72/072; H10W72/07231; H10W72/07236; H10W72/073; H10W72/20; H10W72/251

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 99 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation, the outer surface of the integrated circuit device and the outer surface of the substrate defining a buffer volume therebetween; and an adhesive bonding the outer surface of the integrated circuit device and the outer surface of the substrate together, the buffer volume having a greater volume of void space than adhesive.
Claim 2
Dependent Claim 99 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation, the outer surface of the integrated circuit device and the outer surface of the substrate defining a buffer volume therebetween; and an adhesive bonding the outer surface of the integrated circuit device and the outer surface of the substrate together, the buffer volume having a greater volume of void space than adhesive.
Claim 3
Dependent Claim 26 words
The circuit according to claim 1 wherein the adhesive comprises a plurality of discrete adhesive fillets provided about the electrically coupled conductive bumps and bond pads.
Claim 4
Dependent Claim 12 words
The circuit according to claim 1 wherein the adhesive is electrically insulative.
Claim 5
Dependent Claim 15 words
The circuit according to claim 1 wherein the integrated circuit device comprises a flip chip.
Claim 6
Dependent Claim 16 words
The circuit according to claim 1 wherein the adhesive contacts the conductive bumps and bond pads.
Claim 7
Dependent Claim 104 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation; and a plurality of discrete adhesive fillets provided about an entirety of the outwardly exposed surfaces of the coupled conductive bumps of the integrated circuit device and the corresponding bond pads of the substrate; wherein the adhesive fillets are configured to bond the outer surface of the integrated circuit device and the outer surface of the substrate.
Claim 8
Dependent Claim 104 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation; and a plurality of discrete adhesive fillets provided about an entirety of the outwardly exposed surfaces of the coupled conductive bumps of the integrated circuit device and the corresponding bond pads of the substrate; wherein the adhesive fillets are configured to bond the outer surface of the integrated circuit device and the outer surface of the substrate.
Claim 9
Dependent Claim 13 words
The circuit according to claim 6 wherein the adhesive fillets are electrically insulative.
Claim 10
Dependent Claim 15 words
The circuit according to claim 6 wherein the integrated circuit device comprises a flip chip.
Claim 11
Dependent Claim 18 words
The circuit according to claim 6 wherein the adhesive fillets contact the coupled conductive bumps and bond pads.
Claim 12
Dependent Claim 41 words
The circuit according to claim 6 wherein the outer surface of the integrated circuit device and the outer surface of the substrate define a buffer volume therebetween having a greater volume of void space than a volume of the adhesive fillets.
Claim 13
Dependent Claim 88 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation; and a plurality of discrete adhesive fillets provided about an entirety of the outwardly exposed surfaces of the coupled conductive bumps of the integrated circuit device and the corresponding bond pads of the substrate; wherein the adhesive fillets are electrically insulative.
Claim 14
Dependent Claim 88 words
A circuit comprising: an integrated circuit device having an outer surface and a plurality of conductive bumps upon the outer surface; a substrate having an outer surface having a plurality of bond pads electrically coupled with the conductive bumps of the integrated circuit device in opposing relation; and a plurality of discrete adhesive fillets provided about an entirety of the outwardly exposed surfaces of the coupled conductive bumps of the integrated circuit device and the corresponding bond pads of the substrate; wherein the adhesive fillets are electrically insulative.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-03-03 2006-09-02 2007-03-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-03-03 2010-09-02 2011-03-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-03-03 2014-09-02 2015-03-04 $7700.00 Window Closed / Lapsed

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