US5800184A — High density electrical interconnect apparatus an…

Claim 1

Independent Claim 153 words

An interconnect interposer comprising an electrically insulative body, said electrically insulative body having at least one electrically conductive interconnect probe providing an electrically conductive path, wherein said at least one electrically conductive interconnect probe has a rigid planar center portion, two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one electrically conductive interconnect probe within said electrically insulative body, a first end and a second end, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective section, wherein a portion of said pre-formed deflective section has a protruding tip, wherein said pre-formed deflective section is narrower in cross-sectional area than said rigid center portion, wherein said rigid center portion is non-deflective, and wherein said electrically conductive path is from said first end through said non-deflective rigid center portion to said second end.

Claim 2

Dependent Claim 153 words

An interconnect interposer comprising an electrically insulative body, said electrically insulative body having at least one electrically conductive interconnect probe providing an electrically conductive path, wherein said at least one electrically conductive interconnect probe has a rigid planar center portion, two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one electrically conductive interconnect probe within said electrically insulative body, a first end and a second end, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective section, wherein a portion of said pre-formed deflective section has a protruding tip, wherein said pre-formed deflective section is narrower in cross-sectional area than said rigid center portion, wherein said rigid center portion is non-deflective, and wherein said electrically conductive path is from said first end through said non-deflective rigid center portion to said second end.

Claim 3

Dependent Claim 30 words

The interconnect interposer of claim 1, wherein the material for said electrically insulative body is selected from a group consisting of plastics, ceramics, polymers, epoxies, natural and man made fabrics.

Claim 4

Dependent Claim 38 words

The interconnect interposer of claim 1, wherein the material for said electrically conductive interconnect probe is selected from a group consisting of BeCu, BeNi, Cu, Cu alloys, Fe, Fe alloys, electrically conductive polymer, elastomer and noble metal alloys.

Claim 5

Dependent Claim 29 words

The interconnect interposer of claim 1, wherein the geometry of said pre-formed deflective tip end is selected from a group consisting of circular, semi-circular, elliptical, rectangular, triangular and polygonal.

Claim 6

Dependent Claim 18 words

The interconnect interposer of claim 1, wherein said protruding tip of said pre-formed deflective tip end is sharp.

Claim 7

Dependent Claim 18 words

The interconnect interposer of claim 1, wherein said protruding tip of said pre-formed deflective tip end is blunt.

Claim 8

Dependent Claim 18 words

The interconnect interposer of claim 1, wherein said first end is a mirror image of said second end.

Claim 9

Dependent Claim 19 words

The interconnect interposer of claim 1, wherein said first end is not a mirror image of said second end.

Claim 10

Dependent Claim 27 words

The interconnect interposer of claim 1, wherein said at least one electrically conductive interconnect probe provides an electrical connection between two electrical components to be electrically interconnected.

Claim 11

Dependent Claim 33 words

The interconnect interposer of claim 1, wherein there is at least one stop on said deflective section to prevent an end of said at least one electrically conductive interconnect probe from completely deflecting.

Claim 12

Dependent Claim 21 words

The interconnect interposer of claim 1, wherein said retainer tabs are bent about 90 degrees to the rigid planar center portion.

Claim 13

Dependent Claim 16 words

The interconnect interposer of claim 1, wherein said pre-formed deflective section has a varying cross-sectional area.

Claim 14

Dependent Claim 30 words

The interconnect interposer of claim 1, wherein said at least one electrically conductive interconnect probe is made by a process selected from a group consisting of stamping, forming and etching.

Claim 15

Dependent Claim 48 words

The interconnect interposer of claim 1, wherein a force is applied to said at least one electrically conductive interconnect probe from the top and bottom along said at least one electrically conductive interconnect probe's centerline, such that compliance at each end is shared without generating a torque movement.

Claim 16

Dependent Claim 20 words

The interconnect interposer of claim 5, wherein a portion of said protruding tip penetrates a portion of an electrical contact.

Claim 17

Dependent Claim 39 words

The interconnect interposer of claim 1, further comprising at least a second electrically conductive interconnect probe and wherein the center to center spacing between each of said electrically conductive interconnect probes is between about 0.10 and about 2.00 mm.

Claim 18

Dependent Claim 127 words

An interconnect interposer comprising an electrically insulative body having at least one hole to accommodate at least one electrically conductive interconnect probe, wherein said at least one electrically conductive interconnect probe has a rigid planar center portion having a first end and a second end and further having two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one electrically conductive interconnect probe within said electrically insulative body, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective section, wherein a portion of said pre-formed deflective section is narrower in cross-sectional area than said rigid planar center portion, and wherein said rigid planar center portion is non-deflective.

Claim 19

Dependent Claim 127 words

An interconnect interposer comprising an electrically insulative body having at least one hole to accommodate at least one electrically conductive interconnect probe, wherein said at least one electrically conductive interconnect probe has a rigid planar center portion having a first end and a second end and further having two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one electrically conductive interconnect probe within said electrically insulative body, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective section, wherein a portion of said pre-formed deflective section is narrower in cross-sectional area than said rigid planar center portion, and wherein said rigid planar center portion is non-deflective.

Claim 20

Dependent Claim 30 words

The interconnect interposer of claim 17, wherein the material for said electrically insulative body is selected from a group consisting of plastics, ceramics, polymers, epoxies, natural and man made fabrics.

Claim 21

Dependent Claim 41 words

The interconnect interposer of claim 17, wherein the material for said at least one electrically conductive interconnect probe is selected from a group consisting of BeCu, BeNi, Cu, Cu alloys, Fe, Fe alloys, electrically conductive polymer, elastomer and noble metal alloys.

Claim 22

Dependent Claim 16 words

The interconnect interposer of claim 17, wherein a distal portion of said deflective section is sharp.

Claim 23

Dependent Claim 16 words

The interconnect interposer of claim 17, wherein a distal portion of said deflective section is blunt.

Claim 24

Dependent Claim 18 words

The interconnect interposer of claim 17, wherein said first end is a mirror image of said second end.

Claim 25

Dependent Claim 26 words

The interconnect interposer of claim 17, wherein said at least one electrically conductive interconnect probe provides an electrical connection between a chip and a test substrate.

Claim 26

Dependent Claim 33 words

The interconnect interposer of claim 17, wherein there is at least one stop on said deflective section to prevent an end of said at least one electrically conductive interconnect probe from completely deflecting.

Claim 27

Independent Claim 210 words

A method for electrical interconnect comprising the steps of: (a) placing at least a portion of an interconnect interposer over an electronic module, such that at least a portion of said interconnect interposer makes electrical contact with at least a portion of said electronic module, (b) placing at least a portion of an element to be electrically interconnected over at least a portion of said interconnect interposer, such that at least a portion of said element makes electrical contact with at least a portion of said electronic module through said interconnect interposer, wherein said interconnect interposer has at least one probe that provides said electrical connection between said element and said electronic module, said at least one probe has a rigid planar center portion having a first end and a second end and further having two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one probe within said interconnect interposer, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective tip, wherein a portion of said pre-formed deflective tip is narrower in cross-sectional area than said rigid planar center portion, and wherein said rigid planar center portion is non-deflective.

Claim 28

Independent Claim 210 words

A method for electrical interconnect comprising the steps of: (a) placing at least a portion of an interconnect interposer over an electronic module, such that at least a portion of said interconnect interposer makes electrical contact with at least a portion of said electronic module, (b) placing at least a portion of an element to be electrically interconnected over at least a portion of said interconnect interposer, such that at least a portion of said element makes electrical contact with at least a portion of said electronic module through said interconnect interposer, wherein said interconnect interposer has at least one probe that provides said electrical connection between said element and said electronic module, said at least one probe has a rigid planar center portion having a first end and a second end and further having two retainer tabs connected to said rigid planar center portion to limit the floating of said at least one probe within said interconnect interposer, wherein at least said first end at least one of said first or second end said second end has a pre-formed deflective tip, wherein a portion of said pre-formed deflective tip is narrower in cross-sectional area than said rigid planar center portion, and wherein said rigid planar center portion is non-deflective.

Claim 29

Dependent Claim 18 words

The method of claim 25, wherein said element to be electrically interconnected is a chip or a module.

Claim 30

Dependent Claim 39 words

The method of claim 25, wherein at least one end of said at least one probe has at least one stop on said pre-formed deflective tip to prevent the complete deflection of said at least one pre-formed deflective tip.

Claim 31

Dependent Claim 37 words

The interconnect interposer of claim 1, wherein there is at least one stop on a peripheral surface of said insulative body to prevent an end of said at least one electrically conductive interconnect probe from completely deflecting.

Claim 32

Dependent Claim 37 words

The interconnect interposer of claim 17, wherein there is at least one stop on a peripheral surface of said insulative body to prevent an end of said at least one electrically conductive interconnect probe from completely deflecting.

Claim 33

Dependent Claim 16 words

The interconnect interposer of claim 4 wherein the geometry of said pre-formed deflective tip is circular.

Claim 34

Dependent Claim 16 words

The interconnect interposer of claim 4 wherein the geometry of said pre-formed deflective tip is semi-circular.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-08-31	2002-03-02	2002-09-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-08-31	2006-03-02	2006-09-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-08-31	2010-03-02	2010-09-01	$7700.00	Window Closed / Lapsed

High density electrical interconnect apparatus and method

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