Electrical circuit component formed of a conductive liquid printed directly onto a substrate
First Claim
Patent Images
1. An electrical circuit component, comprising:
- a flexible substrate;
a first insulation layer;
an aluminum layer disposed between said flexible substrate and said first insulation layer;
a second insulation layer disposed between said first insulation layer and said aluminum layer; and
a rotogravure-printed electrical circuit element disposed between said first insulation layer and said second insulation layer, said circuit element comprising a matrix pattern of conductive ink, which pattern is electrically conductive in both a printing direction and a transverse direction.
13 Assignments
0 Petitions
Accused Products
Abstract
An article having an electrical circuit component printed directly onto one side of a substrate includes the substrate and an electrical circuit component formed of a conductive liquid printed directly onto one side of the substrate. The electrical component is capable of performing its electrical circuit functions, as printed, and without the necessity for post-printing processes such as metal etching, catalytic ink activation, or electroless deposition.
-
Citations
24 Claims
-
1. An electrical circuit component, comprising:
-
a flexible substrate; a first insulation layer; an aluminum layer disposed between said flexible substrate and said first insulation layer; a second insulation layer disposed between said first insulation layer and said aluminum layer; and a rotogravure-printed electrical circuit element disposed between said first insulation layer and said second insulation layer, said circuit element comprising a matrix pattern of conductive ink, which pattern is electrically conductive in both a printing direction and a transverse direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. An electrical circuit component comprising:
-
a flexible layer; a first flexible insulation layer having at least one hole therein; a rotogravure-printed resistor disposed between said first flexible insulation layer and said flexible layer and over said hole, said resistor having a plurality of dried, silver-containing ink cells disposed in a matrix pattern and electrically conductive in a printing direction and in a direction transverse thereto; a second flexible insulation layer disposed between said resistor and said flexible layer; a thermochromic layer disposed adjacent to either said first insulation layer or said second insulation layer so as to receive heat from said resistor; and the resistor and the hole in the first flexible insulation layer forming a push switch such that when a portion of the resistor is pushed through the hole to make contact with a conductive material on the other side of the hole, current flows through the switch causing the resistor to generate heat which causes a change in visual appearance of the thermochromic layer. - View Dependent Claims (17, 18, 19, 20, 21, 22)
-
-
23. A printed electrical circuit element, comprising:
-
a flexible polymeric sheet; a rotogravure-printed resistor printed on one side of said polymeric sheet, said resistor having a plurality of dried, silver-ink cells disposed in a matrix pattern and which are electrically conductive with each other in a printing direction and in a direction transverse thereto to provide electrical conductivity in the resistor in both the printing direction and in the transverse direction; a flexible insulation layer disposed on an opposite side of said resistor from said polymeric sheet, said insulation layer having at least one hole therein, said hole being adjacent to a portion of said resistor; a rotogravure-printed thermochromic layer printed on an opposite side of said polymeric sheet from said resistor so to receive heat from said resistor; and a flexible protective layer disposed on an opposite side of said thermochromic layer from said resistor, said portion of said resistor and the hole in the insulation layer forming a push switch such that when said portion of said resistor is pushed through said hole to make contact with one pole of an electrical power source, and when another portion of said resistor makes contact with a second pole of the power source, current flows through said resistor causing said resistor to generate heat which causes a change in a visual appearance of said thermochromic layer. - View Dependent Claims (24)
-
Specification