Patent US5578869A successfully refreshed from Google Patents.
US5578869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Components for housing an integrated circuit device
Assignee: Advanced Technology Interconnect Inc
•
Filing: 1994-03-29
•
Granted: 1996-11-26
•
Expires: 2014-03-29
Abstract
Abstract There is provided a metallic component for an electronic package. The component is coated with an electrically non-conductive layer and has a plurality of conductive circuit traces are formed on a surface. The circuit traces are soldered directly to the input/output pads of an integrated circuit device and to a second plurality of circuit traces. The component may include a heat sink to enhance dissipation of heat from an encapsulated integrated circuit device.
Inventors
- 👤 Paul R. Hoffman
- 👤 Deepak Mahulikar
- 👤 George A. Brathwaite
- 👤 Dawit Solomon
- 👤 Arvind Parthasarathi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:45
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/15; H10W76/157; H10W40/00; H10W40/20; H10W40/22; H10W40/70; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W74/00; H10W74/10; H10W74/111; H10W74/114; H10W74/117; H10W90/00; H10W90/701; H10W70/68; H10W70/682; H10W72/00; H10W72/01; H10W72/50; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/851; H10W72/874; H10W72/877; H10W72/884; H10W74/15; H10W90/20; H10W90/22; H10W90/288; H10W90/291; H10W90/297; H10W90/721; H10W90/722; H10W90/724; H10W90/731; H10W90/734; H10W90/751; H10W90/754
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
60 words
A component for an electronic package comprising: a metallic substrate coated with a flexible dielectric polymer layer; and a first plurality of conductive circuit traces formed on a surface of said flexible dielectric polymer layer, said first plurality of circuit traces bonded directly to the input/output pads of an integrated circuit device and to a second plurality of circuit traces.
Claim 2
Dependent Claim
60 words
A component for an electronic package comprising: a metallic substrate coated with a flexible dielectric polymer layer; and a first plurality of conductive circuit traces formed on a surface of said flexible dielectric polymer layer, said first plurality of circuit traces bonded directly to the input/output pads of an integrated circuit device and to a second plurality of circuit traces.
Claim 3
Dependent Claim
14 words
The component of claim 1 wherein said flexible dielectric polymer layer is an epoxy.
Claim 4
Dependent Claim
40 words
The component of claim 1 wherein said first plurality of circuit traces are bonded to said input/output pads by a material selected from the group consisting of metals, metals alloys, conductive solder glasses, conductive polymers and solder coated metallic balls.
Claim 5
Dependent Claim
19 words
The component of claim 1 having a generally cup-shaped configuration with said integrated circuit device housed within said cup.
Claim 6
Dependent Claim
12 words
The component of claim 3 wherein said material is a lead/tin alloy.
Claim 7
Dependent Claim
19 words
The component of claim 4 wherein said input/output pads are bonded directly to said first plurality of circuit traces.
Claim 8
Dependent Claim
19 words
The component of claim 6 further including a compliant polymer disposed between said integrated circuit device and said component.
Claim 9
Dependent Claim
83 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer; a first plurality of conductive circuit traces formed on opposing surfaces of said metallic substrate, said first plurality of circuit traces bonded directly to the input/output pads of at least two integrated circuit devices bonded to opposing surfaces of said metallic substrate and to a second plurality of circuit traces; and a via extending through said metallic substrate between at least two of said integrated circuit devices.
Claim 10
Dependent Claim
83 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer; a first plurality of conductive circuit traces formed on opposing surfaces of said metallic substrate, said first plurality of circuit traces bonded directly to the input/output pads of at least two integrated circuit devices bonded to opposing surfaces of said metallic substrate and to a second plurality of circuit traces; and a via extending through said metallic substrate between at least two of said integrated circuit devices.
Claim 11
Dependent Claim
83 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer; at least two integrated circuit devices bonded to opposing surfaces of said metallic substrate; and a first plurality of conductive circuit traces formed on opposing surfaces of said metallic substrate wherein the input/output pads of said at least two integrated circuit devices are directly soldered to said first plurality of circuit traces, said first plurality of circuit traces further bonded to a second plurality of circuit traces.
Claim 12
Dependent Claim
83 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer; at least two integrated circuit devices bonded to opposing surfaces of said metallic substrate; and a first plurality of conductive circuit traces formed on opposing surfaces of said metallic substrate wherein the input/output pads of said at least two integrated circuit devices are directly soldered to said first plurality of circuit traces, said first plurality of circuit traces further bonded to a second plurality of circuit traces.
Claim 13
Dependent Claim
117 words
A package for housing an integrated circuit device comprising: a metallic cover component coated with an electrically non-conductive layer and having a first plurality of circuit traces formed on a surface thereon; a base component having an integrated circuit device receiving portion and a peripheral portion, said peripheral portion having a second plurality of circuit traces formed thereon; an integrated circuit device bonded to said receiving portion and soldered to said first plurality of circuit traces by a first solder joint; a second solder joint electrically interconnecting said first plurality of circuit traces to said second plurality of circuit traces; and a third solder joint electrically interconnecting said second plurality of circuit traces to an external circuit.
Claim 14
Dependent Claim
117 words
A package for housing an integrated circuit device comprising: a metallic cover component coated with an electrically non-conductive layer and having a first plurality of circuit traces formed on a surface thereon; a base component having an integrated circuit device receiving portion and a peripheral portion, said peripheral portion having a second plurality of circuit traces formed thereon; an integrated circuit device bonded to said receiving portion and soldered to said first plurality of circuit traces by a first solder joint; a second solder joint electrically interconnecting said first plurality of circuit traces to said second plurality of circuit traces; and a third solder joint electrically interconnecting said second plurality of circuit traces to an external circuit.
Claim 15
Dependent Claim
25 words
The package of claim 10 wherein said metallic cover component is aluminum or an aluminum alloy and said electrically non-conductive layer is an anodic film.
Claim 16
Dependent Claim
23 words
The package of claim 10 wherein said electrically non-conductive layer is selected from the group consisting of carbides, nitrides, oxides and dielectric polymers.
Claim 17
Dependent Claim
40 words
The package of claim 10 wherein said first plurality of circuit traces are soldered to said input/output pads by a material selected from the group consisting of metals, metals alloys, conductive solder glasses, conductive polymers and solder coated metallic balls.
Claim 18
Dependent Claim
40 words
The package of claim 13 wherein said second plurality of circuit traces are soldered to said input/output pads by a material selected from the group consisting of metals, metals alloys, conductive solder glasses, conductive polymers and solder coated metallic balls.
Claim 19
Dependent Claim
23 words
The package of claim 14 wherein said third solder joint constitutes solder balls extending beyond an outward facing surface of said cover component.
Claim 20
Dependent Claim
17 words
The package of claim 14 wherein said cover component is thermally coupled to an external heat sink.
Claim 21
Dependent Claim
32 words
The package of claim 14 wherein said base component contains a plurality of integral protrusions extending outwardly from the periphery of said base and a central portion essentially free of said protrusions.
Claim 22
Dependent Claim
29 words
The package of claim 14 wherein said base contains a plurality of protrusions extending outwardly from said base and running generally parallel to a major surface of said base.
Claim 23
Dependent Claim
30 words
The package of claim 14 wherein said base component is also metallic and a portion of said first plurality of circuit traces is electrically coupled to said metallic base component.
Claim 24
Dependent Claim
28 words
The package of claim 15 wherein said solder balls extend for from about 0.18 mm to about 0.25 mm beyond said outward facing surface of said cover component.
Claim 25
Dependent Claim
27 words
The package of claim 16 wherein said external heat sink is a printed circuit board containing at least one thermally conductive via extending from said cover component.
Claim 26
Dependent Claim
22 words
The package of claim 16 wherein said external heat sink has an internal channel that delivers a thermal fluid to said package.
Claim 27
Dependent Claim
20 words
The package of claim 19 wherein a portion of said second circuit traces is electrically coupled to said metallic base.
Claim 28
Dependent Claim
40 words
The package of claim 23 wherein said electrically coupled portion of said first plurality of circuit traces is located on an opposing side of said integrated circuit device from said electrically coupled portion of said second plurality of circuit traces.
Claim 29
Dependent Claim
74 words
A component for an electronic package comprising: a metallic substrate coated with a first electrically non-conductive layer; a first plurality of conductive circuit traces formed on a peripheral surface of said metallic substrate, said first plurality of circuit traces having an interior end, an exterior end and an intervening mid-portion; and a second electrically non-conductive layer formed about the periphery of said metallic substrate overlying said mid-portion of said first plurality of circuit traces.
Claim 30
Dependent Claim
74 words
A component for an electronic package comprising: a metallic substrate coated with a first electrically non-conductive layer; a first plurality of conductive circuit traces formed on a peripheral surface of said metallic substrate, said first plurality of circuit traces having an interior end, an exterior end and an intervening mid-portion; and a second electrically non-conductive layer formed about the periphery of said metallic substrate overlying said mid-portion of said first plurality of circuit traces.
Claim 31
Dependent Claim
20 words
The component of claim 25 wherein said metallic substrate is an aluminum or aluminum alloy coated with an anodic film.
Claim 32
Dependent Claim
23 words
The component of claim 25 wherein said second electrically non-conductive layer is selected from the group consisting of aluminum oxide and aluminum nitride.
Claim 33
Dependent Claim
24 words
The component of claim 27 further including a metallized layer disposed on a side of said second electrically non-conductive layer opposite said intervening mid-portion.
Claim 34
Dependent Claim
24 words
The component of claim 28 wherein said metallized layer is selected from the group consisting of palladium/nickel alloys, molybdenum/manganese alloys, nickel and nickel alloys.
Claim 35
Dependent Claim
66 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer and having a plurality of vias extending therethrough; a first plurality of conductive circuit traces formed on a surface of said metallic substrate and extending through said plurality of vias; and an electrical contact disposed within said plurality of vias and electrically interconnected to said first plurality of circuit traces.
Claim 36
Dependent Claim
66 words
A component for an electronic package comprising: a metallic substrate coated with an electrically non-conductive layer and having a plurality of vias extending therethrough; a first plurality of conductive circuit traces formed on a surface of said metallic substrate and extending through said plurality of vias; and an electrical contact disposed within said plurality of vias and electrically interconnected to said first plurality of circuit traces.
Claim 37
Dependent Claim
13 words
The component of claim 30 wherein said electrical contact is a solder plug.
Claim 38
Dependent Claim
23 words
The component of claim 30 wherein said electrical contact is a terminal pin extending perpendicular to a major surface of said metallic substrate.
Claim 39
Dependent Claim
13 words
The component of claim 31 wherein said solder plug is a lead/tin alloy.
Claim 40
Dependent Claim
24 words
The component of claim 32 wherein said electrical contact is a terminal pin extending parallel to a major surface of said metallic base component.
References Cited (Backward Citations)
US3324224A
Cited
US4335781A
Cited
US4313492A
Cited
US4480262A
Cited
JPS60136348A
Cited
US4603374A
Cited
US4561040A
Cited
US4727455A
Cited
US4740866A
Cited
US4806503A
Cited
US4825284A
Cited
US4912548A
Cited
US4961106A
Cited
US4888449A
Cited
US4897508A
Cited
US5184211A
Cited
US4967260A
Cited
US4949219A
Cited
US5023398A
Cited
US4939316A
Cited
US5055967A
Cited
US5015803A
Cited
US5025114A
Cited
US5189505A
Cited
US5073521A
Cited
US5103292A
Cited
US5018005A
Cited
US5214308A
Cited
US5216283A
Cited
US5256205A
Cited
US5066368A
Cited
US5235209A
Cited
JPH04216655A
Cited
US5175613A
Cited
US5291064A
Cited
US5284706A
Cited
US5334857A
Cited
US5380212A
Cited
US5323292A
Cited
US5352926A
Cited
US5324569A
Cited
US5353193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-11-26 | 2000-05-27 | 2000-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-26 | 2004-05-27 | 2004-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-26 | 2008-05-27 | 2008-11-26 | $7700.00 | Window Closed / Lapsed |