# US 9,005,744 B2 · Conductive micro-wire structure

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 9,005,744 B2
- Document ID: US9005744B2
- Status: Granted
- Kind: B2
- Application number: 13/751,464
- Filed: 2013-01-28
- Published: 2014-07-31
- Granted: 2015-04-14
- Earliest claimed: 2013-01-28
- Assignees: Eastman Kodak Company
- Applicants: John Andrew Lebens; David Paul Trauernicht; Yongcai Wang; Ronald Steven Cok
- Inventors: John Andrew Lebens; David Paul Trauernicht; Yongcai Wang; Ronald Steven Cok
- Web page: https://patentgrep.com/patent/US9005744B2

## CPC

- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- H05K 1/02: Details
- H05K 1/0289: {having a matrix lay-out, i.e. having selectively interconnectable sets of X-conductors and Y-conductors in different planes}
- H05K 1/0296: {Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295 (H05K1/11 takes precedence; lay-out adapted to mounted component configuration H05K1/18)}
- H05K 3/1258: {by using a substrate provided with a shape pattern, e.g. grooves, banks, resist pattern}
- G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
- H05K 2201/0108: Transparent
- H05K 2201/0376: Flush conductors, i.e. flush with the surface of the printed circuit
- H05K 2201/09227: Layout details of a plurality of traces, e.g. escape layout for Ball Grid Array [BGA] mounting
- H05K 2201/09272: Layout details of angles or corners
- H05K 2201/09681: Mesh conductors, e.g. as a ground plane
- H05K 2201/09727: Varying width along a single conductor; Conductors or pads having different widths
- Y10T 428/26: Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A conductive micro-wire structure includes a substrate. A plurality of spaced-apart electrically connected micro-wires is formed on or in the substrate forming the conductive micro-wire structure. The conductive micro-wire structure has a transparency of less than 75% and greater than 0%.

## Claims

### Claim 1

A conductive micro-wire structure, comprising:
a substrate;
a plurality of spaced-apart electrically connected micro-wires formed on or in the substrate; and
wherein the conductive micro-wire structure has a transparency of less than 75% and greater than 0%.

### Claim 2 (depends on 1)

The conductive micro-wire structure of claim 1, wherein the conductive micro-wire structure has a transparency of less than 70%.

### Claim 3 (depends on 2)

The conductive micro-wire structure of claim 2, wherein the conductive micro-wire structure has a transparency of less than or equal to 65%.

### Claim 4 (depends on 3)

The conductive micro-wire structure of claim 3, wherein the conductive micro-wire structure has a transparency of less than or equal to 50%.

### Claim 5 (depends on 4)

The conductive micro-wire structure of claim 4, wherein the conductive micro-wire structure has a transparency of less than or equal to 40%.

### Claim 6 (depends on 1)

The conductive micro-wire structure of claim 1, wherein the micro-wire conductor has a conductance of less than or equal to 4 ohms per square.

### Claim 7 (depends on 6)

The conductive micro-wire structure of claim 6, wherein the micro-wire conductor has a conductance of less than or equal to 3 ohms per square.

### Claim 8 (depends on 7)

The conductive micro-wire structure of claim 7, wherein the micro-wire conductor has a conductance of less than or equal to 2 ohms per square.

### Claim 9 (depends on 8)

The conductive micro-wire structure of claim 8, wherein the micro-wire conductor has a conductance of less than or equal to 1 ohm per square.

### Claim 10 (depends on 1)

The conductive micro-wire structure of claim 1, wherein at least one of the micro-wires has a width of less than or equal to 4 microns.

### Claim 11 (depends on 10)

The conductive micro-wire structure of claim 10, wherein at least one of the micro-wires has a width of less than or equal to 3 microns.

### Claim 12 (depends on 11)

The conductive micro-wire structure of claim 11, wherein at least one of the micro-wires has a width of less than or equal to 2 microns.

### Claim 13 (depends on 1)

The conductive micro-wire structure of claim 1, wherein the spaced-apart electrically connected micro-wires include:
a plurality of spaced-apart first micro-wires extending across the substrate in a first direction;
a plurality of spaced-apart second micro-wires extending across the substrate in a second direction different from the first direction, each second micro-wire electrically connected to at least two first micro-wires.

### Claim 14 (depends on 13)

The conductive micro-wire structure of claim 13, wherein at least one of the first micro-wires has a width greater than the width of at least one of the second micro-wires.

### Claim 15 (depends on 13)

The conductive micro-wire structure of claim 13, wherein two adjacent pairs of first micro-wires are spaced apart by a distance greater than the distance spacing apart two adjacent second micro-wires.

### Claim 16 (depends on 13)

The conductive micro-wire structure of claim 13, wherein at least one of the first micro-wires has a length greater than the length of at least one of the second micro-wires.

### Claim 17 (depends on 1)

The conductive micro-wire structure of claim 1, wherein at least one of the micro-wires has a thickness greater than width.

### Claim 18 (depends on 1)

The conductive micro-wire structure of claim 1, further comprising micro-channels formed in the substrate and the micro-wires are located in the micro-channels.

### Claim 19 (depends on 18)

The conductive micro-wire structure of claim 18, wherein a cross section of one or more of the channels substantially forms a rectangle or a trapezoid.

### Claim 20 (depends on 1)

The conductive micro-wire structure of claim 1, wherein the substrate has a surface and wherein the micro-wires are formed substantially on the surface.

### Claim 21 (depends on 1)

The conductive micro-wire structure of claim 1, wherein at least one of the micro-wires is a connection micro-wire that is wider than at least some of the other micro-wires.

### Claim 22 (depends on 21)

The conductive micro-wire structure of claim 21, wherein at least one of the micro-wires that is closer to the connection micro-wire is wider than at least one of the other micro-wires that is farther from the connection micro-wire.

### Claim 23 (depends on 21)

The conductive micro-wire structure of claim 21, wherein at least two of the micro-wires closer to the connection micro-wire are more closely spaced than at least two of the micro-wires that are farther from the connection micro-wire.

### Claim 24 (depends on 13)

The conductive micro-wire structure of claim 13, wherein adjacent first micro-wires are equally spaced apart or the adjacent second micro-wires are equally spaced apart.

### Claim 25 (depends on 13)

The conductive micro-wire structure of claim 13, wherein one or more of the second micro-wires is electrically connected to only two adjacent first micro-wires.

### Claim 26 (depends on 1)

The conductive micro-wire structure of claim 1, wherein one or more of the micro-wires has straight line segments.

### Claim 27 (depends on 1)

The conductive micro-wire structure of claim 1, wherein the micro-wires form an array of aligned or offset rectangles having an aspect ratio greater than four.
