US5268813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible printed circuit package and flexible printed circuit for incorporating in such a package
Assignee: International Business Machines Corp
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Filing: 1991-12-04
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Granted: 1993-12-07
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Expires: 2011-12-04
Abstract
Abstract A circuit package is disclosed including a flexible printed circuit (10) which overlies, and follows the contour of, a carrier (50) having a substantially zig-zag shaped surface. The flexible printed circuit of this circuit package is in the form of a tape having a periodic, modular wiring pattern extending along the length of the tape, with connection lands provided between adjacent wiring modules. The circuit package also includes a plug for maintaining the flexible printed circuit in place on the carrier. Circuit components (20) mounted on the flexible printed circuit abut planar portions of the zig-zag shaped surface of the carrier (50).
Inventors
- 👤 Sydney G. Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:17
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/11; H05K1/118; H05K1/18; H05K1/189; H10; H10W; H10W70/00; H10W70/60; H10W70/611; H10W70/67; H10W70/688; H05K1/0286; H05K1/0292; H05K2201/00; H05K2201/04; H05K2201/046; H05K2201/10; H05K2201/10007; H05K2201/10159; H05K2201/10613; H05K2201/10621; H05K2201/10689; H05K3/00; H05K3/0058
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
117 words
A circuit package comprising: a flexible printed circuit and a carrier having a substantially zig-zag shaped surface, the flexible printed circuit overlying and following the zig-zag shaped surface of the carrier with circuit components mounted on the flexible printed circuit abutting planar portions of the zig-zag shaped surface of the carrier; and means for maintaining the flexible printed circuit in place on the carrier, said means including a plug having a substantially zig-zag shaped surface complementary to the zig-zag shaped surface of the carrier, said plug being adapted to mate with the carrier so as to retain the flexible printed circuit in place on the carrier and to maintain the components in intimate contact with the carrier.
Claim 2
Dependent Claim
117 words
A circuit package comprising: a flexible printed circuit and a carrier having a substantially zig-zag shaped surface, the flexible printed circuit overlying and following the zig-zag shaped surface of the carrier with circuit components mounted on the flexible printed circuit abutting planar portions of the zig-zag shaped surface of the carrier; and means for maintaining the flexible printed circuit in place on the carrier, said means including a plug having a substantially zig-zag shaped surface complementary to the zig-zag shaped surface of the carrier, said plug being adapted to mate with the carrier so as to retain the flexible printed circuit in place on the carrier and to maintain the components in intimate contact with the carrier.
Claim 3
Dependent Claim
18 words
A circuit package as claimed in claim 1 wherein the plug is made from a non-conducting, resilient material.
Claim 4
Dependent Claim
27 words
A circuit package as claimed in claim 1 wherein said carrier is formed form thermally conducting material so as to provide a heatsink for the circuit components.
Claim 5
Dependent Claim
17 words
A circuit package as claimed in claim 5 wherein said carrier thermally conducting material includes sheet aluminium.
Claim 6
Dependent Claim
35 words
A circuit package as claimed in claim 1 wherein said flexible printed circuit is in the form of an elongated tape and said circuit components are memory chips mounted along the length of the tape.
References Cited (Backward Citations)
GB1048021A
Cited
DE2262729A1
Cited
US3873889A
Cited
FR2344203A1
Cited
US4489364A
Cited
US4680675A
Cited
US5065280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-06 | 1997-06-07 | 1997-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-06 | 2001-06-07 | 2001-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-06 | 2005-06-07 | 2005-12-07 | $7700.00 | Window Closed / Lapsed |