US6461894B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of forming a circuit and methods of preparing an integrated circuit
Assignee: Round Rock Research LLC
•
Filing: 2001-10-03
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Granted: 2002-10-08
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Expires: 2021-10-03
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 13:36
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: 35
Claim 1
Independent Claim
70 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections; providing an adhesive upon at least a portion of the surface of the integrated circuit die having the electrically conductive connections; and electrically coupling the electrically conductive connections of the integrated circuit die with a plurality of electrically conductive connections of a substrate after the providing the adhesive.
Claim 2
Independent Claim
70 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections; providing an adhesive upon at least a portion of the surface of the integrated circuit die having the electrically conductive connections; and electrically coupling the electrically conductive connections of the integrated circuit die with a plurality of electrically conductive connections of a substrate after the providing the adhesive.
Claim 3
Dependent Claim
17 words
The method of claim 1 wherein the providing the integrated circuit die comprises providing a flip chip.
Claim 4
Dependent Claim
25 words
The method of claim 1 wherein the providing the integrated circuit die comprises providing the integrated circuit die having electrically conductive connections comprising conductive bumps.
Claim 5
Dependent Claim
19 words
The method of claim 1 further comprising mechanically coupling the integrated circuit die with the substrate using the adhesive.
Claim 6
Dependent Claim
32 words
The method of claim 1 wherein the providing the adhesive comprises providing the adhesive upon substantially an entirety of the surface of the integrated circuit die having the plurality of conductive connections.
Claim 7
Dependent Claim
24 words
The method of claim 5 further comprising removing portions of the adhesive to outwardly expose the electrically conductive connections of the integrated circuit die.
Claim 8
Dependent Claim
23 words
The method of claim 1 wherein the providing the adhesive comprises providing a plurality of adhesive fillets corresponding to the electrically conductive connections.
Claim 9
Dependent Claim
17 words
The method of claim 1 wherein the adhesive is spaced from the substrate after the electrically coupling.
Claim 10
Dependent Claim
15 words
The method of claim 1 wherein the providing the adhesive comprises providing electrically insulative adhesive.
Claim 11
Independent Claim
65 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections; providing an electrically insulative adhesive upon at least a portion of the surface of the integrated circuit die; and mechanically coupling the surface of the integrated circuit die with a substrate using the electrically insulative adhesive after the providing the electrically insulative adhesive.
Claim 12
Independent Claim
65 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections; providing an electrically insulative adhesive upon at least a portion of the surface of the integrated circuit die; and mechanically coupling the surface of the integrated circuit die with a substrate using the electrically insulative adhesive after the providing the electrically insulative adhesive.
Claim 13
Dependent Claim
17 words
The method of claim 10 wherein the providing the integrated circuit die comprises providing a flip chip.
Claim 14
Independent Claim
115 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections and an adhesive upon the surface; providing a substrate having a plurality of electrically conductive connections; and electrically coupling the electrically conductive connections of the integrated circuit die with the electrically conductive connections of the substrate after the providing the integrated circuit die having the adhesive upon the surface, the electrically coupling defining a volume between the integrated circuit die and the substrate comprising a first volume portion corresponding to the adhesive and which is less than a second volume portion corresponding to the remaining portion of the volume not comprising the adhesive.
Claim 15
Independent Claim
115 words
A method of forming a circuit comprising: providing an integrated circuit die comprising a surface having a plurality of electrically conductive connections and an adhesive upon the surface; providing a substrate having a plurality of electrically conductive connections; and electrically coupling the electrically conductive connections of the integrated circuit die with the electrically conductive connections of the substrate after the providing the integrated circuit die having the adhesive upon the surface, the electrically coupling defining a volume between the integrated circuit die and the substrate comprising a first volume portion corresponding to the adhesive and which is less than a second volume portion corresponding to the remaining portion of the volume not comprising the adhesive.
Claim 16
Dependent Claim
17 words
The method of claim 12 wherein the providing the integrated circuit die comprises providing a flip chip.
Claim 17
Dependent Claim
36 words
The method of claim 12 wherein the providing the integrated circuit die comprises providing the integrated circuit die having the adhesive in the form of a plurality of adhesive fillets proximate to the electrically conductive connections.
Claim 18
Dependent Claim
25 words
The method of claim 12 wherein the providing the integrated circuit die comprises providing the integrated circuit die having electrically insulative adhesive upon the surface.
Claim 19
Independent Claim
82 words
A method of forming a circuit comprising: providing a plurality of substrates individually having a plurality of electrically conductive monolithic connections upon a surface; providing an adhesive upon at least a portion of a surface of one of the substrates wherein the electrically conductive monolithic connections of the one substrate are outwardly exposed; and electrically contacting the outwardly exposed electrically conductive monolithic connections of the one substrate with the electrically conductive monolithic connections of the other substrate after the providing the adhesive.
Claim 20
Independent Claim
82 words
A method of forming a circuit comprising: providing a plurality of substrates individually having a plurality of electrically conductive monolithic connections upon a surface; providing an adhesive upon at least a portion of a surface of one of the substrates wherein the electrically conductive monolithic connections of the one substrate are outwardly exposed; and electrically contacting the outwardly exposed electrically conductive monolithic connections of the one substrate with the electrically conductive monolithic connections of the other substrate after the providing the adhesive.
Claim 21
Dependent Claim
21 words
The method of claim 16 wherein the providing the substrates comprises providing one of the substrates in a flip chip configuration.
Claim 22
Dependent Claim
22 words
The method of claim 17 wherein the providing the adhesive comprises providing the adhesive upon the substrate having the flip chip configuration.
Claim 23
Dependent Claim
25 words
The method of claim 17 wherein the providing the adhesive comprises providing the adhesive upon another of the substrates not having a flip chip configuration.
Claim 24
Dependent Claim
27 words
The method of claim 16 wherein the providing the adhesive comprises providing a plurality of adhesive fillets proximate to the electrically conductive connections of the one substrate.
Claim 25
Dependent Claim
45 words
The method of claim 16 wherein the providing the adhesive comprises providing the adhesive over substantially an entirety of the surface of the one substrate, and further comprising removing portions of the adhesive to provide the electrically conductive connections of the one substrate outwardly exposed.
Claim 26
Dependent Claim
16 words
The method of claim 16 wherein the providing the adhesive comprises providing an electrically insulative adhesive.
Claim 27
Independent Claim
81 words
A method of preparing an integrated circuit comprising: providing an integrated circuit die having electrical circuitry; providing a plurality of electrically conductive connections upon a surface of the integrated circuit die and electrically coupled with the electrical circuitry; and providing an electrically insulative adhesive upon at least a portion of the surface of the integrated circuit die having the plurality of conductive connections prior to electrical coupling of the electrically conductive connections with any circuitry external of the integrated circuit die.
Claim 28
Independent Claim
81 words
A method of preparing an integrated circuit comprising: providing an integrated circuit die having electrical circuitry; providing a plurality of electrically conductive connections upon a surface of the integrated circuit die and electrically coupled with the electrical circuitry; and providing an electrically insulative adhesive upon at least a portion of the surface of the integrated circuit die having the plurality of conductive connections prior to electrical coupling of the electrically conductive connections with any circuitry external of the integrated circuit die.
Claim 29
Dependent Claim
17 words
The method of claim 23 wherein the providing the integrated circuit die comprises providing a flip chip.
Claim 30
Dependent Claim
16 words
The method of claim 23 wherein the providing the electrically conductive connections comprises providing conductive bumps.
Claim 31
Dependent Claim
31 words
The method of claim 23 wherein the providing the adhesive comprises providing the adhesive over substantially an entirety of the surface of the integrated circuit die having the electrically conductive connections.
Claim 32
Dependent Claim
19 words
The method of claim 26 further comprising removing portions of the adhesive to outwardly expose the electrically conductive connections.
Claim 33
Dependent Claim
23 words
The method of claim 23 wherein the providing the adhesive comprises forming a fillet proximate at least one of the electrically conductive connections.
Claim 34
Dependent Claim
16 words
The method of claim 23 wherein the providing the electrically conductive projections comprises providing conductive bumps.
Claim 35
Dependent Claim
35 words
The method of claim 23 wherein the providing the adhesive comprises providing adhesive upon a first portion of the surface of the integrated circuit die while leaving a second portion of the surface outwardly exposed.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-10-07 | 2006-04-08 | 2006-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-10-07 | 2010-04-08 | 2010-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-10-07 | 2014-04-08 | 2014-10-08 | $7700.00 | Window Closed / Lapsed |