WO2001048870A3 - Interconnect for microelectronic structures with enhanced spring characteristics - Google Patents

Interconnect for microelectronic structures with enhanced spring characteristics Download PDF

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Publication number
WO2001048870A3
WO2001048870A3 PCT/US2000/035450 US0035450W WO0148870A3 WO 2001048870 A3 WO2001048870 A3 WO 2001048870A3 US 0035450 W US0035450 W US 0035450W WO 0148870 A3 WO0148870 A3 WO 0148870A3
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WO
WIPO (PCT)
Prior art keywords
interconnection
spring constant
interconnect
coupled
spring characteristics
Prior art date
Application number
PCT/US2000/035450
Other languages
French (fr)
Other versions
WO2001048870A2 (en
Inventor
Gaetan L Mathieu
Benjamin N Eldridge
Original Assignee
Formfactor Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Formfactor Inc filed Critical Formfactor Inc
Priority to AU26036/01A priority Critical patent/AU2603601A/en
Publication of WO2001048870A2 publication Critical patent/WO2001048870A2/en
Publication of WO2001048870A3 publication Critical patent/WO2001048870A3/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
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    • G01R1/067—Measuring probes
    • G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
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    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/151—Die mounting substrate
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    • H01L2924/15786—Material with a principal constituent of the material being a non metallic, non metalloid inorganic material
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    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H01R12/718—Contact members provided on the PCB without an insulating housing
    • H—ELECTRICITY
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    • H01R13/02—Contact members
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    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
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    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0302—Properties and characteristics in general
    • H05K2201/0311—Metallic part with specific elastic properties, e.g. bent piece of metal as electrical contact
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/325—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
    • H05K3/326—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49222—Contact or terminal manufacturing by assembling plural parts forming array of contacts or terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/49224—Contact or terminal manufacturing with coating

Abstract

An interconnection element and a method of forming an interconnection element. In one embodiment, the interconnection element includes a first structure and a second structure coupled to the first structure. The second structure coupled with the first material has a spring constant greater than the spring constant of the first structure alone. In one embodiment, the interconnection element is adapted to be coupled to an electronic component tracked as a conductive path from the electronic component. In one embodiment, the method includes forming a first (interconnection) structure coupled to a substrate to define a shape suitable as an interconnection in an integrated circuit environment and then coupling, such as by coating, a second (interconnection) structure to the first (interconnection) structure to form an interconnection element. Collectively, the first (interconnection) structure and the second (interconnection) structure have a spring constant greater than a spring constant of the first (interconnection) structure.
PCT/US2000/035450 1999-12-28 2000-12-27 Interconnect for microelectronic structures with enhanced spring characteristics WO2001048870A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26036/01A AU2603601A (en) 1999-12-28 2000-12-27 Interconnect for microelectronic structures with enhanced spring characteristics

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US09/473,414 US6827584B2 (en) 1999-12-28 1999-12-28 Interconnect for microelectronic structures with enhanced spring characteristics
US09/473,414 1999-12-28

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WO2001048870A2 WO2001048870A2 (en) 2001-07-05
WO2001048870A3 true WO2001048870A3 (en) 2002-02-21

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US20040102064A1 (en) 2004-05-27
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US20080120833A1 (en) 2008-05-29
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US7325302B2 (en) 2008-02-05
US6827584B2 (en) 2004-12-07

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