# US 7,745,733 B2 · Generic patterned conductor for customizable electronic devices

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- Number: US 7,745,733 B2
- Document ID: US7745733B2
- Status: Granted
- Kind: B2
- Application number: 11/120,025
- Filed: 2005-05-02
- Published: 2006-11-02
- Granted: 2010-06-29
- Earliest claimed: 2005-05-02
- Assignees: 3M Innovative Properties Company
- Inventors: George F. Jambor; Michael J. Robrecht
- Web page: https://patentgrep.com/patent/US7745733B2

## CPC

- G06F 3/045: using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
- G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/047: using sets of wires, e.g. crossed wires
- H05K 1/0289: {having a matrix lay-out, i.e. having selectively interconnectable sets of X-conductors and Y-conductors in different planes}
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- H05K 1/0393: {Flexible materials (H05K1/038 takes precedence; specific organic compositions are classified in H05K1/0313 and subgroups)}
- H05K 3/4611: {by laminating two or more circuit boards (H05K3/4652 takes precedence)}
- H05K 3/4635: {laminating flexible circuit boards using additional insulating adhesive materials between the boards}
- H05K 2203/0554: Metal used as mask for etching vias, e.g. by laser ablation
- H05K 2203/1545: Continuous processing, i.e. involving rolls moving a band-like or solid carrier along a continuous production path
- 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

## Abstract

A method of making a multilayered product having a repeating conductive pattern that includes determining a repeating pattern configuration such as a grid of conductive traces for use in a range of active element configurations, and forming a continuous web of multilayered product having at least one layer of conductive material configured according to the determined repeating pattern configuration. The continuous web is suitable for use in a range of active element configurations. The method may also include altering the continuous web to form a customized active element. Forming the continuous web may include providing a first roll of continuous webbing stock, the first roll having at least a portion of the repeating pattern formed thereon, providing a second roll of continuous webbing stock, the second roll having at least a portion of the repeating conductive pattern formed thereon, and laminating the first and second rolls of continuous webbing stock together.

## Claims

### Claim 1

A continuous multilayered product having a repeating conductive pattern, the multilayered product comprising:
a first layer of continuous webbing having a least a first portion of the repeating conductive pattern formed thereon; and
a second layer of continuous webbing having a least a second portion of the repeating conductive pattern formed thereon;
wherein the repeating conductive pattern is configured so that the multilayered product is capable of being customized for use in any of a plurality of different end products that utilize the repeating conductive pattern as active elements, and wherein at least one of the first and second portions of the repeating pattern extends at least semi-continuously over a plurality of end products that utilize the repeating conductive pattern as active elements.

### Claim 2 (depends on 1)

The multilayered product of claim 1, wherein customizing the multilayered product includes cutting the multilayered product to a predetermined size.

### Claim 3 (depends on 1)

The multilayered product of claim 1, wherein the repeating conductive pattern includes a grid of conductive traces, a portion of the grid in the form of a plurality of spaced apart traces that extend along a length of the multilayered product being formed on the one of the layers of continuous webbing, and a portion of the grid in the form of a plurality of spaced apart traces that extend across a width of the multilayered product being formed on the another of the layers of continuous webbing.

### Claim 4 (depends on 1)

The multilayered product of claim 1, wherein the first and second layers of continuous webbing are laminated together and the portions of repeating conductive pattern formed on each of the first and second layers of continuous webbing are electrically insulated from each other.

### Claim 5 (depends on 1)

The multilayered product of claim 1, wherein the first or second portion of the repeating conductive pattern is encapsulated between the first and second layers of continuous webbing.

### Claim 6 (depends on 1)

The multilayered product of claim 1, wherein at least one of the first and second layers of continuous webbing includes a via formed therein.

### Claim 7 (depends on 1)

The multilayered product of claim 1, wherein the end product is a touch sensitive device.
