US5386343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double surface mount technology for electronic packaging
Assignee: Research Foundation of the State University of New York
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Filing: 1993-11-12
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Granted: 1995-01-31
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Expires: 2013-11-12
Abstract
Abstract A novel printed circuit board is disclosed. The printed circuit board has a high density of circuit components with lower circuit components residing within recesses in a printed wiring board and upper circuit components residing above the lower circuit components.
Inventors
- 👤 Yi-Hsin Pao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:58
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/18; H05K1/181; H05K1/182; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09072; H05K2201/10; H05K2201/10431; H05K2201/10507; H05K2201/10515; H05K2201/10522; H05K2201/10613; H05K2201/10621; H05K2201/10689; Y; Y02; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
86 words
A printed circuit board comprising, in combination, a printed wiring board having a plurality of recesses; a plurality of circuit components comprising upper and lower circuit components electrically connected to the printed wiring board with at least one lower circuit component occupying a corresponding recess and at least one upper circuit component positioned above a plurality of lower circuit components; the upper and lower circuit components being independent of each other and each being fixedly electrically connected to an upper surface of the printed wiring board.
Claim 2
Dependent Claim
86 words
A printed circuit board comprising, in combination, a printed wiring board having a plurality of recesses; a plurality of circuit components comprising upper and lower circuit components electrically connected to the printed wiring board with at least one lower circuit component occupying a corresponding recess and at least one upper circuit component positioned above a plurality of lower circuit components; the upper and lower circuit components being independent of each other and each being fixedly electrically connected to an upper surface of the printed wiring board.
Claim 3
Dependent Claim
18 words
The printed circuit board of claim 1 wherein lower circuit components are nonidentical with the upper circuit components.
Claim 4
Dependent Claim
30 words
The printed circuit board of claim 2 wherein at least one of the upper and lower circuit components is surface mounted to the upper surface of the printed wiring board.
Claim 5
Dependent Claim
26 words
The printed circuit board of claim 3 wherein the upper and lower circuit components are surface mounted to the upper surface of the printed wiring board.
Claim 6
Dependent Claim
23 words
The printed circuit board of claim 4 wherein the at least one lower circuit component is suspended within the corresponding recess by leads.
Claim 7
Dependent Claim
29 words
The printed circuit board of claim 5 wherein the at least one lower circuit component resides in the corresponding recess without contacting an interior surface of the corresponding recess.
Claim 8
Dependent Claim
23 words
The printed circuit board of claim 6 wherein a plurality of upper circuit components are positioned above the plurality of lower circuit components.
Claim 9
Dependent Claim
14 words
The printed circuit board of claim 7 wherein the corresponding recess is an opening.
Claim 10
Dependent Claim
14 words
The printed circuit board of claim 7 wherein the corresponding recess is a well.
Claim 11
Dependent Claim
139 words
A printed circuit board comprising, in combination, a printed wiring board having a first upper surface and a second descending stepped upper surface with the second descending stepped upper surface having a plurality of recesses therein; a plurality of circuit components comprising upper and lower circuit components, at least one upper circuit component being fixedly electrically surface mounted to the first upper surface of the printed wiring board and at least one lower circuit component being fixedly electrically surface mounted to the second descending stepped upper surface, the at least one lower circuit component being suspended within a corresponding recess; and the at least one lower circuit component being nonidentical with and independent of the at least one upper circuit component with the at least one upper circuit component being positioned above the at least ode lower circuit component.
Claim 12
Dependent Claim
139 words
A printed circuit board comprising, in combination, a printed wiring board having a first upper surface and a second descending stepped upper surface with the second descending stepped upper surface having a plurality of recesses therein; a plurality of circuit components comprising upper and lower circuit components, at least one upper circuit component being fixedly electrically surface mounted to the first upper surface of the printed wiring board and at least one lower circuit component being fixedly electrically surface mounted to the second descending stepped upper surface, the at least one lower circuit component being suspended within a corresponding recess; and the at least one lower circuit component being nonidentical with and independent of the at least one upper circuit component with the at least one upper circuit component being positioned above the at least ode lower circuit component.
Claim 13
Dependent Claim
30 words
The printed circuit board of claim 10 wherein the at least one lower circuit component is suspended within the corresponding recess without contacting an interior surface of the corresponding recess.
Claim 14
Dependent Claim
24 words
The printed circuit board of claim 11 wherein the at least one upper circuit component is positioned above a plurality of lower circuit components.
Claim 15
Dependent Claim
23 words
The printed circuit board of claim 12 wherein a plurality of upper circuit components are positioned above the plurality of lower circuit components.
Claim 16
Dependent Claim
14 words
The printed circuit board of claim 13 wherein the corresponding recess is an opening.
Claim 17
Dependent Claim
14 words
The printed circuit board of claim 13 wherein the corresponding recess is a well.
Claim 18
Dependent Claim
141 words
A printed circuit board comprising, in combination, a printed wiring board having a first upper surface and a second descending stepped upper surface with the second descending stepped upper surface having a plurality of openings therein; a plurality of circuit components comprising upper and lower circuit components, a plurality of upper circuit components being fixedly electrically surface mounted to the first upper surface of the printed wiring board and a plurality of lower circuit components being fixedly electrically surface mounted to the second descending stepped upper surface, the plurality of lower circuit component being suspended within corresponding recesses without contacting an interior surface of the corresponding recess with the plurality of upper circuit components positioned above the plurality of lower circuit components; and the plurality of lower circuit components being nonidentical with and independent of the plurality of upper circuit components.
Claim 19
Dependent Claim
141 words
A printed circuit board comprising, in combination, a printed wiring board having a first upper surface and a second descending stepped upper surface with the second descending stepped upper surface having a plurality of openings therein; a plurality of circuit components comprising upper and lower circuit components, a plurality of upper circuit components being fixedly electrically surface mounted to the first upper surface of the printed wiring board and a plurality of lower circuit components being fixedly electrically surface mounted to the second descending stepped upper surface, the plurality of lower circuit component being suspended within corresponding recesses without contacting an interior surface of the corresponding recess with the plurality of upper circuit components positioned above the plurality of lower circuit components; and the plurality of lower circuit components being nonidentical with and independent of the plurality of upper circuit components.
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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) | 1998-01-30 | 1998-08-01 | 1999-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-30 | 2002-08-01 | 2003-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-30 | 2006-08-01 | 2007-01-31 | $7700.00 | Window Closed / Lapsed |