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US6154371A Expired / Lapsed US ⏱️ 0.0 years remaining

Printed circuit board assembly and method

Assignee: Cisco Technology Inc
•
Filing: 1998-09-30
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Granted: 2000-11-28
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Expires: 2018-09-30
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Abstract

Abstract A printed circuit board assembly incorporates an opening into which one or more integrated circuit packages at least partially fit, a plurality of electrical connection pads are disposed about the periphery of the opening, corresponding leads of the integrated circuit package are bonded to the pads, and the overall assembly is thinner than an assembly lacking the opening.

Inventors

  • 👤 Glenn George Oba
  • 👤 Indrajit Rajeev Gajendran
  • 👤 Victor Vigdorchik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 09:22
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/141; H05K1/18; H05K1/182; H05K1/183; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09072; H05K2201/10; H05K2201/10613; H05K2201/10621; H05K2201/10689; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/341; H05K3/3431; H05K3/3436; H05K3/36; H05K3/368

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 164 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface; and a second integrated circuit package disposed at least partially in said opening, said second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package has at least a portion located outside said opening.
Claim 2
Dependent Claim 164 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface; and a second integrated circuit package disposed at least partially in said opening, said second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package has at least a portion located outside said opening.
Claim 3
Dependent Claim 149 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface; and a second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and wherein said second integrated circuit package is located outside said opening.
Claim 4
Dependent Claim 149 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface; and a second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and wherein said second integrated circuit package is located outside said opening.
Claim 5
Dependent Claim 19 words
The assembly of claim 2 wherein said second integrated circuit package is located over said first integrated circuit package.
Claim 6
Dependent Claim 164 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and; a second integrated circuit package disposed at least partially in said opening, said second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package has at least a portion located outside said opening.
Claim 7
Dependent Claim 164 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and; a second integrated circuit package disposed at least partially in said opening, said second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package has at least a portion located outside said opening.
Claim 8
Dependent Claim 148 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and; a second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package is located outside said opening.
Claim 9
Dependent Claim 148 words
A printed circuit board assembly, comprising: a printed circuit board having first and second opposed outer surfaces, an opening extending from said first outer surface, and a plurality of first connection pads disposed on said first outer surface adjacent to said opening; a first integrated circuit package received at least partially in said opening, and having a plurality of leads connected to corresponding ones of said plurality of first connection pads on said first outer surface, wherein said opening extends completely between said first and second opposed outer surfaces of said printed circuit board, and; a second integrated circuit package having a plurality of leads connected to corresponding second connection pads on said second opposed outer surface of said printed circuit board adjacent said opening, wherein said first integrated circuit package is located intermediate said opposed surfaces, and said second integrated circuit package is located outside said opening.
Claim 10
Dependent Claim 19 words
The assembly of claim 5 wherein said second integrated circuit package is located over said first integrated circuit package.
Claim 11
Independent Claim 146 words
A method of forming a printed circuit board assembly, comprising the steps of: forming a printed circuit board having an opening extending completely between a first outside surface and a second outside surface of said printed circuit board, having a plurality of connection pads disposed on said first surface about a periphery of said opening, and having a plurality of connection pads disposed on said second surface about a periphery of said opening; placing a first integrated circuit package completely in said opening; connecting leads of said first integrated circuit package to corresponding ones of said connection pads disposed on said first surface about a periphery of said opening; placing a second integrated circuit package completely in said opening; and connecting leads of said second integrated circuit package to corresponding ones of said connection pads disposed on said second surface about a periphery of said opening.
Claim 12
Independent Claim 146 words
A method of forming a printed circuit board assembly, comprising the steps of: forming a printed circuit board having an opening extending completely between a first outside surface and a second outside surface of said printed circuit board, having a plurality of connection pads disposed on said first surface about a periphery of said opening, and having a plurality of connection pads disposed on said second surface about a periphery of said opening; placing a first integrated circuit package completely in said opening; connecting leads of said first integrated circuit package to corresponding ones of said connection pads disposed on said first surface about a periphery of said opening; placing a second integrated circuit package completely in said opening; and connecting leads of said second integrated circuit package to corresponding ones of said connection pads disposed on said second surface about a periphery of said opening.
Claim 13
Independent Claim 148 words
A method of forming a printed circuit board assembly, comprising the steps of: forming a printed circuit board having an opening extending completely between a first outside surface and a second outside surface of said printed circuit board, having a plurality of connection pads disposed on said first surface about a periphery of said opening, and having a plurality of connection pads disposed on said second surface about a periphery of said opening; placing a first integrated circuit package completely in said opening; connecting leads of said first integrated circuit package to corresponding ones of said connection pads disposed on said first surface about a periphery of said opening; placing a second integrated circuit package at least partially in said opening; and connecting leads of said second integrated circuit package to corresponding ones of said connection pads disposed on said second surface about a periphery of said opening.
Claim 14
Independent Claim 148 words
A method of forming a printed circuit board assembly, comprising the steps of: forming a printed circuit board having an opening extending completely between a first outside surface and a second outside surface of said printed circuit board, having a plurality of connection pads disposed on said first surface about a periphery of said opening, and having a plurality of connection pads disposed on said second surface about a periphery of said opening; placing a first integrated circuit package completely in said opening; connecting leads of said first integrated circuit package to corresponding ones of said connection pads disposed on said first surface about a periphery of said opening; placing a second integrated circuit package at least partially in said opening; and connecting leads of said second integrated circuit package to corresponding ones of said connection pads disposed on said second surface about a periphery of said opening.
Claim 15
Dependent Claim 19 words
The method of claim 8, wherein said second integrated circuit package is located over said first integrated circuit package.

References Cited (Backward Citations)

JPS6080232A Cited
US4660069A Cited
US5631497A Cited
US5731633A Cited
JPH0730059A Cited
US5412538A Cited
US5386343A Cited
US5615089A Cited
US5608262A Cited
US5831833A Cited
US5744862A Cited
US5943216A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-11-28 2004-05-29 2004-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-11-28 2008-05-29 2008-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-11-28 2012-05-29 2012-11-28 $7700.00 Window Closed / Lapsed

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