Patent US5926376A successfully refreshed from Google Patents.
US5926376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed circuit board card for mounting packages in faces thereof
Assignee: MagnaChip Semiconductor Ltd
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Filing: 1997-06-19
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Granted: 1999-07-20
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Expires: 2017-06-19
Abstract
Abstract A Printed Circuit Board (PCB) card for insertion in a computer expansion slot and a method of making such a PCB card are disclosed. The PCB card includes packages disposed at least partially between a top face portion and a bottom face portion of the PCB, which improves the mounting density and heat dissipation for the packages.
Inventors
- 👤 Yong Jin Cho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:34
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K1/00; H05K1/18; H05K1/182; H05K1/184; H05K1/02; H05K1/14; H05K1/144; H05K1/183; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09036; H05K2201/09818; H05K2201/09981; H05K2201/10; H05K2201/10431; H05K2201/10507; H05K2201/10545; H05K2201/10613; H05K2201/10621; H05K2201/10689; H05K2201/10727
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
145 words
A printed circuit board card comprising: a printed circuit board (PCB) having at least one recess region therein, each recess region being disposed in one of a first face and a second face of said PCB; at least one package, each package being mounted in a recess region so that at least a portion of the package lies below said first face or said second face of said PCB, respectively; connection leads, disposed on at least a surface of said first face or said second face of said PCB and extending into said at least one recess region disposed therein, that electrically connect said PCB to said at least one package, respectively; and a first insulator formed on said at least one package and one of said first face and second face of said PCB, said first insulator preventing oxidation and damage to each package.
Claim 2
Dependent Claim
145 words
A printed circuit board card comprising: a printed circuit board (PCB) having at least one recess region therein, each recess region being disposed in one of a first face and a second face of said PCB; at least one package, each package being mounted in a recess region so that at least a portion of the package lies below said first face or said second face of said PCB, respectively; connection leads, disposed on at least a surface of said first face or said second face of said PCB and extending into said at least one recess region disposed therein, that electrically connect said PCB to said at least one package, respectively; and a first insulator formed on said at least one package and one of said first face and second face of said PCB, said first insulator preventing oxidation and damage to each package.
Claim 3
Dependent Claim
121 words
A printed circuit board card comprising: a printed circuit board (PCB) having at least one recess region therein, each recess region being disposed in one of a first face and a second face of said PCB; a plurality of stacked packages, at least a bottom-most one of said stacked packages being mounted in a recess region so that at least a portion of the package lies below said first face or said second face of said PCB, respectively; and connection leads, disposed on at least a surface of said first face or said second face of said PCB and extending into said at least one recess region disposed therein, for electrically connecting said PCB to each of said stacked packages, respectively.
Claim 4
Dependent Claim
121 words
A printed circuit board card comprising: a printed circuit board (PCB) having at least one recess region therein, each recess region being disposed in one of a first face and a second face of said PCB; a plurality of stacked packages, at least a bottom-most one of said stacked packages being mounted in a recess region so that at least a portion of the package lies below said first face or said second face of said PCB, respectively; and connection leads, disposed on at least a surface of said first face or said second face of said PCB and extending into said at least one recess region disposed therein, for electrically connecting said PCB to each of said stacked packages, respectively.
Claim 5
Dependent Claim
21 words
The printed circuit board card of claim 2, wherein said at least one package is entirely located in said recess regions.
Claim 6
Dependent Claim
42 words
The printed circuit board card of claim 2, wherein the PCB has at least one recess region formed in said first face and at least one recess region formed in said second face and a corresponding number of packages mounted therein, respectively.
Claim 7
Dependent Claim
33 words
The printed circuit board card of claim 4, wherein said at least one recess region formed in said first face is aligned with said at least one recess region in said second face.
Claim 8
Dependent Claim
28 words
A printed circuit board card of claim 2, wherein said at least one package is entirely located between said first face and said second face of the PCB.
Claim 9
Dependent Claim
15 words
The printed circuit board card of claim 2, wherein each package is a wireless package.
Claim 10
Dependent Claim
16 words
The printed circuit board card of claim 2, wherein the connection leads have a step shape.
Claim 11
Dependent Claim
53 words
The printed circuit board card of claim 2, wherein each package includes: at least one chip, each chip having electrical circuits contained therein; electrical terminals for connecting said at least one chip to said connection leads of said PCB; and a heat spreader for dissipating heat away from said at least one chip.
Claim 12
Dependent Claim
38 words
The printed circuit board card of claim 9, further comprising: solder portions disposed between the connection leads and electrical terminals of each package for connecting the connection leads of said PCB to the electrical terminals of each package.
Claim 13
Dependent Claim
39 words
The printed circuit board card device of claim 10, wherein at least one stacked package is mounted in a recess region so that at least a portion of the stacked package lies below said first or second face, respectively.
Claim 14
Dependent Claim
29 words
The printed circuit board card of claim 9, wherein the electrical terminals include: a bumper for connecting a pad of a chip with the connection leads of the PCB.
Claim 15
Dependent Claim
84 words
A printed circuit board card device comprising: a plurality of printed circuit boards stacked onto one another, each printed circuit board defining a plurality of recess regions; a plurality of packages, each package formed in one of said plurality of recess regions; wherein each package mounted in one of said plurality of recess regions is oriented in a zig-zag fashion with each package mounted in an adjoining recess region of an adjoining printed circuit board so that packages on opposing PCBs do not align.
Claim 16
Dependent Claim
84 words
A printed circuit board card device comprising: a plurality of printed circuit boards stacked onto one another, each printed circuit board defining a plurality of recess regions; a plurality of packages, each package formed in one of said plurality of recess regions; wherein each package mounted in one of said plurality of recess regions is oriented in a zig-zag fashion with each package mounted in an adjoining recess region of an adjoining printed circuit board so that packages on opposing PCBs do not align.
Claim 17
Dependent Claim
19 words
The printed circuit board card device of claim 13, wherein each printed circuit board has a common adjoining face.
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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) | 2002-07-19 | 2003-01-18 | 2003-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-07-19 | 2007-01-18 | 2007-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-07-19 | 2011-01-18 | 2011-07-20 | $7700.00 | Window Closed / Lapsed |