US5079070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repair of open defects in thin film conductors
Assignee: International Business Machines Corp
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Filing: 1990-10-11
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Granted: 1992-01-07
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Expires: 2010-10-11
Abstract
Abstract Open defects in thin film conductor lines on a substrate are repaired by diffusion bonding a selected conductive repair line from a support sheet positioned over the open defect. The diffusion bonding is performed by the application of ultrasonic energy and laser energy.
Inventors
- 👤 Pedro A. Chalco
- 👤 Carlos J. Sambucetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/225; B; B23; B23K; B23K20/00; B23K20/10; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/1306; G02F1/1309; H05K2201/00; H05K2201/03; H05K2201/0302; H05K2201/0317; H05K2201/10; H05K2201/10227; H05K2201/1028; H05K2203/00; H05K2203/02; H05K2203/0278; H05K2203/0285; H05K2203/10; H05K2203/107; H05K2203/17; H05K2203/173; H05K3/10; H05K3/20; H05K3/24; H05K3/244; H05K3/30; H05K3/32; H05K3/328; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917; Y10T428/31504; Y10T428/31678; Y10T428/31721
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
43 words
A support sheet for use in repairing an open defect in a conductor on a substrate comprising: a sheet of material; and a pattern of conductive lines disposed on said sheet, said sheet having openings at predetermined regions in proximity to said lines.
Claim 2
Dependent Claim
43 words
A support sheet for use in repairing an open defect in a conductor on a substrate comprising: a sheet of material; and a pattern of conductive lines disposed on said sheet, said sheet having openings at predetermined regions in proximity to said lines.
Claim 3
Dependent Claim
28 words
A support sheet as set forth in claim 1, wherein said material is selected from the group consisting of polyimide, Kapton, Mylar, Teflon, Ni metal, and photosensitive polymer.
Claim 4
Dependent Claim
35 words
A support sheet as set forth in claim 2, wherein said conductive line is selected from the group consisting of copper, noble metal, gold-plated copper and a combination of metals that form an eutectic alloy.
Claim 5
Dependent Claim
20 words
A support sheet as set forth in claim 2, wherein the lines comprising said pattern have a plurality of dimensions.
Claim 6
Dependent Claim
35 words
A support sheet as set forth in claim 1, wherein said conductive line is selected from the group consisting of copper, noble metal, gold-plated copper and a combination of metals that form an eutectic alloy.
Claim 7
Dependent Claim
23 words
A support sheet as set forth in claim 1 wherein the lines comprising said pattern of conductive lines have a plurality of dimensions.
Claim 8
Dependent Claim
40 words
A support sheet comprising: a mesh of openings formed of a first plurality of parallel supports substantially orthogonally intersecting a second plurality of parallel supports; and a conductive line supported by a respective pair of parallel supports across an opening.
Claim 9
Dependent Claim
40 words
A support sheet comprising: a mesh of openings formed of a first plurality of parallel supports substantially orthogonally intersecting a second plurality of parallel supports; and a conductive line supported by a respective pair of parallel supports across an opening.
Claim 10
Independent Claim
80 words
A method of repairing an open defect in a conductor on a substrate comprising the steps of: aligning a selected conductive repair line, disposed on support means containing a plurality of repair lines, in juxtaposition with an open defect in a conductor on a substrate; bonding the selected line to said open conductor by the combined application of ultrasonic energy and laser energy; and removing the support means from the substrate after the repair line is bonded to the conductor.
Claim 11
Independent Claim
80 words
A method of repairing an open defect in a conductor on a substrate comprising the steps of: aligning a selected conductive repair line, disposed on support means containing a plurality of repair lines, in juxtaposition with an open defect in a conductor on a substrate; bonding the selected line to said open conductor by the combined application of ultrasonic energy and laser energy; and removing the support means from the substrate after the repair line is bonded to the conductor.
Claim 12
Dependent Claim
23 words
A method as set forth in claim 8, wherein said support means comprises material selected for the convenience of fabricating repair lines thereon.
Claim 13
Dependent Claim
29 words
A method as set forth in claim 9, wherein said support means material is selected from the group consisting of polyimide, Kapton, Mylar, Teflon, Ni metal, and photosensitive polymer.
Claim 14
Dependent Claim
16 words
A method as set forth in claim 8, wherein said substrate is a multi-layered ceramic substrate.
Claim 15
Dependent Claim
16 words
A method as set forth in claim 8, wherein said substrate is a non-rigid organic substrate.
Claim 16
Dependent Claim
20 words
A conductor on a substrate having an open defect repaired in accordance with the method set forth in claim 8.
Claim 17
Independent Claim
56 words
A method of fabricating a support sheet for use in repairing an open defect in a conductor on a substrate comprising the steps of: providing a sheet of material; disposing a pattern of conductive lines onto said sheet; and creating window openings into predetermined regions of said sheet at locations in proximity to the conductive lines.
Claim 18
Independent Claim
56 words
A method of fabricating a support sheet for use in repairing an open defect in a conductor on a substrate comprising the steps of: providing a sheet of material; disposing a pattern of conductive lines onto said sheet; and creating window openings into predetermined regions of said sheet at locations in proximity to the conductive lines.
Claim 19
Dependent Claim
20 words
A method as set forth in claim 14, wherein said disposing a pattern of conductive lines is performed by circuitization.
Claim 20
Dependent Claim
32 words
A method as set forth in claim 14, wherein said providing a sheet comprises providing a sheet selected from the group consisting of polyimide, Kapton, Mylar, Teflon, Ni metal, and photosensitive polymer.
Claim 21
Dependent Claim
41 words
A method as set forth in claim 14, wherein said disposing a pattern of conductive lines comprises circuitizing metal lines selected from the group consisting of copper, noble metal, gold-plated copper and a combination of metals that form an eutectic alloy.
Claim 22
Dependent Claim
15 words
A support sheet fabricated in accordance with the method as set forth in claim 14.
Claim 23
Dependent Claim
15 words
A support sheet fabricated in accordance with the method as set forth in claim 15.
Claim 24
Dependent Claim
15 words
A support sheet fabricated in accordance with the method as set forth in claim 16.
Claim 25
Dependent Claim
15 words
A support sheet fabricated in accordance with the method as set forth in claim 17.
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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) | 1995-01-06 | 1995-07-08 | 1996-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-06 | 1999-07-08 | 2000-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-06 | 2003-07-08 | 2004-01-07 | $7700.00 | Window Closed / Lapsed |