EP0615290A2
Expired / Lapsed
EP
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Electronic structures having a joining geometry providing reduced capacitive loading
Assignee: International Business Machines Corp
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Filing: 1994-02-14
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Granted: —
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Expires: 2014-02-14
Abstract
Abstract Electrical interconnection structures are described. The electrical interconnection structures are formed by electrically interconnecting in a stack a plurality of discrete substrates (22, 24). By using a plurality of discrete substrates, a multilayer dielectric/electrical conductor structure can be fabricated from individual discrete substrates each of which can be tested prior to forming a composite stack so that defects in each discrete substrate can be eliminated before inclusion into the stack. Electrical interconnection between adjacent substrate is provided by an array of contact locations on each surface of the adjacent substrates. Corresponding contacts on adjacent substrates are adapted for mutual electrical engagement. Adjacent contact locations can be thermocompression bonded. To reduce the parasitic capacitance and coupled noise between the contact pads (26) the electrical conductors within the interior of each discrete substrate, the contact pads on each substrate have elongated shape. The elongated contact pads or lattice pads on adjacent substrates are nonparallel and preferably orthogonal so that the corresponding pads of adjacent substrates electrically interconnect an intersecting area which varies in location along the elongated contact pads as the placement of the adjacent substrates varies in the manufacture thereof.
Inventors
- 👤 Alina Deutsch
- 👤 David Andrew Lewis
- 👤 Chandrasekhar Narayan.
- 👤 Anthony Louis Plachy
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/611; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0216; H05K1/11; H05K1/111; H10W90/00; H10W90/401; H05K1/0286; H05K1/0287; H05K1/0289; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0364; H05K2201/0373; H05K2201/07; H05K2201/0776; H05K2201/0792; H05K2201/09; H05K2201/09209; H05K2201/09372; H05K2201/0939; H05K2201/09427; H05K2201/10; H05K2201/10613; H05K2201/10621; H05K2201/10719; H05K2203/00; H05K2203/06; H05K2203/061; H05K3/00; H05K3/46; H05K3/4611; H05K3/4614; Y; Y02; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
116 words
A structure comprising: a first substrate having a first side; a second substrate having a second side; a plurality of first electrical conductors arranged in a first array on said first side; a plurality of second electrical conductors arranged in a second array on said second side; said first electrical conductors having an elongated shape in a first direction; said second electrical conductors having an elongated shape in a second direction; said first side being disposed facing said second side with each of said first conductors in electrical contact in an area with a corresponding one of said second electrical conductor and aligned so that said first direction is nonparallel with respect to said second direction.
Claim 2
Dependent Claim
30 words
A structure according to claim 1, wherein said elongated shape is selected from the group consisting of a polygonal shape, an elliptical shape an oval shape and a meshed shape.
Claim 3
Dependent Claim
14 words
A structure according to claim 1, wherein said elongated shape is an annular shape.
Claim 4
Dependent Claim
13 words
A structure according to claim 2, wherein said polygonal shape is a rectangle.
Claim 5
Dependent Claim
26 words
A structure according to claim 3, wherein said annular shape is selected from the group consisting of an elipsodal annular shape and a polygonal annular shape.
Claim 6
Dependent Claim
16 words
A structure according to claim 5, wherein said elipsoidal annular shape is a circular annular shape.
Claim 7
Dependent Claim
15 words
A structure according to claim 5, wherein said polygonal annular shape is rectangular annular shape.
Claim 8
Dependent Claim
16 words
A structure according to claim 6, wherein said rectangular annular shape is a square annular shape.
Claim 9
Dependent Claim
26 words
A structure according to claim 2, wherein said mesh shape is selected from the group consisting of a polygonal mesh shape and a circular mesh shape.
Claim 10
Dependent Claim
39 words
A structure according to claim 1, wherein said first and said second substrates are dielectric substrates containing a plurality of electrical conductors in electrical communication with said first plurality of electrical conductors and said second plurality of electrical conductors.
Claim 11
Dependent Claim
17 words
A structure according to claim 10 further including an electronic device in electrical communication with said structure.
Claim 12
Dependent Claim
15 words
A structure according to claim 11, wherein there are a plurality of said electronic devices.
Claim 13
Dependent Claim
14 words
A structure according to claim 11, wherein said electronic devices are integrated circuit chips.
Claim 14
Dependent Claim
16 words
A structure according to claim 1, wherein said structure is electrically mounted onto an electrical substrate.
Claim 15
Dependent Claim
42 words
A structure according to claim 4, wherein said electrical substrate is selected from the group consisting of a ceramic substrate, a glass ceramic substrate, a polymer substrate, a glass substrate, a printed circuit board, a semiconductor substrate and a metal carrier substrate.
Claim 16
Dependent Claim
42 words
A structure according to claim 10, wherein said electrical substrate is selected from the group consisting of a ceramic substrate, a glass ceramic substrate, a polymer substrate, a glass substrate, a printed circuit board, a semiconductor substrate and a metal carrier substrate.
Claim 17
Dependent Claim
26 words
A structure according to claim 11, wherein said electrical substrate is selected from the group consisting of a thick film substrate and a thin film substrate.
Claim 18
Dependent Claim
26 words
A structure according to claim 2, wherein said electrical substrate is selected from the group consisting of a thick film substrate and a thin film substrate.
Claim 19
Dependent Claim
16 words
A structure according to claim 14, further including an electronic device electrically mounted onto said structure.
Claim 20
Dependent Claim
56 words
A structure according to claim 1, wherein each of said first directions for each of said first electrical conductors is not parallel to a line from a central location on said first substrate and said area and wherein each of said second directions for each of said second electrical conductors is not parallel to said line.
Claim 21
Dependent Claim
56 words
A structure according to claim 10, wherein each of said first directions for each of said first electrical conductors is not parallel to a line from a central location on said first substrate and said area and wherein each of said second directions for each of said second electrical conductors is not parallel to said line.
Claim 22
Dependent Claim
140 words
A structure comprising: a substrate comprising a plurality of subassemblies; each of said subassemblies comprises a dielectric body having a first and second substantially planar surface which are substantially opposite and parallel, said dielectric body contains embedded therein a plurality of electrical conductors, said electrical conductors being in electrical communication with a plurality of contact conductors on said first substantially planar surface, said contact conductors being elongated; said first surface of one of said subassemblies being disposed facing said first surface of another of said subassemblies with at least one of said plurality of elongated contact conductors on said first surface of said one of said subassemblies being in electrical contact with one of said plurality of elongated contact conductors on said first surface of said another of said subassemblies to form a pair of nonparallel contacts in electrical communication.
Claim 23
Dependent Claim
38 words
A structure according to claim 22, wherein each of said elongated contact conductors is not parallel to a line between a central location on said substrate and an area of intersection of said nonparallel contacts in electrical communication.
References Cited (Backward Citations)
No citation records indexed.
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