US5674596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Component of printed circuit boards
Assignee: Gould Electronics Inc
•
Filing: 1992-10-01
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Granted: 1997-10-07
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Expires: 2012-10-01
Abstract
Abstract A component for use in manufacturing articles such as printed circuit bards comprising a laminate of a sheet of copper foil and a sheet of aluminum or the like. A band of flexible adhesive joins the sheets around their borders and creates a protected central zone at the interface of the sheets. Islands of adhesive are located inwardly of the edges of the sheets through which tooling pin holes may be formed to facilitate handling of the foil.
Inventors
- 👤 James A. Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/26; H; H05; H05K; H05K3/00; H05K3/02; H05K3/022; H05K3/025; H05K3/46; H05K3/4611; B32B2429/00; B32B2457/00; B32B2457/08; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0152; H05K2203/05; H05K2203/0502; H05K2203/0522; H05K2203/06; H05K2203/068; H05K2203/07; H05K2203/0756; H05K2203/0769; H05K2203/0779; H05K2203/0786; H05K2203/15; H05K2203/1536; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126; Y10T428/00; Y10T428/14; Y10T428/24; Y10T428/24777; Y10T428/24793; Y10T428/24802; Y10T428/24826; Y10T428/24917; Y10T428/31; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
103 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a substrate sheet of aluminum which constitutes a discardable element; one surface of each of the copper sheet and the substrate aluminum sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 2
Dependent Claim
103 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a substrate sheet of aluminum which constitutes a discardable element; one surface of each of the copper sheet and the substrate aluminum sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 3
Dependent Claim
103 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitute functional elements and a substrate sheet of aluminum which constitutes a discardable element; one surface of each of the copper sheets and both surfaces of the substrate aluminum sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interface.
Claim 4
Dependent Claim
103 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitute functional elements and a substrate sheet of aluminum which constitutes a discardable element; one surface of each of the copper sheets and both surfaces of the substrate aluminum sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interface.
Claim 5
Dependent Claim
118 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a metal substrate sheet which constitutes a discardable element; the substrate having greater thickness than the foil sheet; one surface of each of the foil sheet and the substrate being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interface such that the substrate facilitates the handling of the foil.
Claim 6
Dependent Claim
118 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a metal substrate sheet which constitutes a discardable element; the substrate having greater thickness than the foil sheet; one surface of each of the foil sheet and the substrate being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interface such that the substrate facilitates the handling of the foil.
Claim 7
Dependent Claim
26 words
A component for use in manufacturing articles according to claim 3 wherein the thickness of the foil sheet is from approximately 0.000175 to approximately 0.0007 inches.
Claim 8
Dependent Claim
26 words
A component for use in manufacturing articles according to claim 3 wherein the thickness of the substrate is from approximately 0.001 inches to approximately 0.125 inches.
Claim 9
Dependent Claim
120 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a metal substrate sheet which constitutes a discardable element; the substrate having greater thickness than the foil sheets; one surface of each of the foil sheets and both surfaces of the substrate being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces such that the substrate facilitates the handling of the foil.
Claim 10
Dependent Claim
120 words
A component for use in manufacturing articles such as printed circuit boards, the component comprising: a laminate constructed of a two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a metal substrate sheet which constitutes a discardable element; the substrate having greater thickness than the foil sheets; one surface of each of the foil sheets and both surfaces of the substrate being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces such that the substrate facilitates the handling of the foil.
Claim 11
Dependent Claim
26 words
A component for use in manufacturing articles according to claim 6 wherein the thickness of the foil sheets is from approximately 0.000175 to approximately 0.0007 inches.
Claim 12
Dependent Claim
26 words
A component for use in manufacturing articles according to claim 6 wherein the thickness of the substrate is from approximately 0.001 inches to approximately 0.125 inches.
Claim 13
Dependent Claim
100 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of stainless steel which constitutes a discardable element; one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 14
Dependent Claim
100 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of stainless steel which constitutes a discardable element; one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 15
Dependent Claim
97 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a sheet of stainless steel which constitutes a discardable element; one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
Claim 16
Dependent Claim
97 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a sheet of stainless steel which constitutes a discardable element; one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
Claim 17
Dependent Claim
100 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of steel which constitutes a discardable element, one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 18
Dependent Claim
100 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of steel which constitutes a discardable element, one surface of each of the copper sheet and the stainless steel sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 19
Dependent Claim
96 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a sheet of steel which constitutes a discardable element; one surface of each of the copper sheet and the steel sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
Claim 20
Dependent Claim
96 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional elements and a sheet of steel which constitutes a discardable element; one surface of each of the copper sheet and the steel sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
Claim 21
Dependent Claim
101 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of metal substrate which constitutes a discardable element; one surface of each of the copper sheet and the metal substrate sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 22
Dependent Claim
101 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of a sheet of copper foil which, in a finished printed circuit board, constitutes a functional element and a sheet of metal substrate which constitutes a discardable element; one surface of each of the copper sheet and the metal substrate sheet being essentially uncontaminated and engagable with each other at an interface; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining a substantially uncontaminated central zone inwardly of the edges of the sheets and unjoined at the interface.
Claim 23
Dependent Claim
98 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional element and a sheet of metal substrate which constitutes a discardable element; one surface of each of the copper sheet and the metal substrate sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
Claim 24
Dependent Claim
98 words
A component for use in manufacturing articles such as printed circuit boards comprising: a laminate constructed of two sheets of copper foil which, in a finished printed circuit board, constitutes functional element and a sheet of metal substrate which constitutes a discardable element; one surface of each of the copper sheet and the metal substrate sheet being essentially uncontaminated and engagable with each other at interfaces; and flexible adhesive joining the uncontaminated surfaces of the sheets together at their borders and defining substantially uncontaminated central zones inwardly of the edges of the sheets and unjoined at the interfaces.
References Cited (Backward Citations)
US2668348A
Cited
US2706165A
Cited
US2864755A
Cited
US3589975A
Cited
US3647592A
Cited
JPS4917601Y1
Cited
US3948701A
Cited
USRE29820E
Cited
US4022648A
Cited
US3936548A
Cited
US3984598A
Cited
US4023998A
Cited
US4092925A
Cited
US4179324A
Cited
DE2843263B1
Cited
US4446188A
Cited
US4455181A
Cited
US4568413A
Cited
EP0212124B1
Cited
EP0235582A2
Cited
WO1988003743A1
Cited
US4961806A
Cited
EP0299454A1
Cited
US5057372A
Cited
JPH02291191A
Cited
US5120590A
Cited
JPH04186798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-06 | 2001-04-07 | 2001-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-06 | 2005-04-07 | 2005-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-06 | 2009-04-07 | 2009-10-07 | $7700.00 | Window Closed / Lapsed |