Integrated Electronic Device and Methods of Making the Same
First Claim
Patent Images
1. A method of manufacturing an active RFID device including a flat electrochemical cell for generating an electrical current, said method including the steps of:
- providing a first substrate and a second substrate, at least one of which includes a plurality of layers, said first substrate including a first side and a second side;
providing an active RFID assembly on said second side of said first substrate, including a RFID antenna, an active RFID element in communication with the RFID antenna, and a plurality of electrical contacts in electrical communication with the active RFID element;
providing a cathode layer on said first side of said first substrate;
providing an anode layer on said first side of said first substrate;
providing an electrolyte layer including a viscous liquid in contact with said cathode layer and also in contact with said anode layer;
providing a frame on said first side of said first substrate to form an inner space containing said electrolyte, and also containing at least a major portion of said cathode layer and at least a major portion of said anode layer within said inner space;
electrically coupling the cathode layer, the anode layer, and the plurality of electrical contacts; and
connecting said second substrate to said first substrate to substantially seal said inner space containing said cathode layer, said anode layer, and said electrolyte layer.
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Abstract
An integrated electronic device, and its method of manufacture, are provided. The integrated electronic device can include an electronic assembly, such as an active RFID assembly, that is electrically coupled to a thin printed flexible electrochemical cell. In one example, the electronic assembly and the electrochemical battery are provided on a single substrate. In one example method of manufacture, the entire cell to be made on a printing press to integrate the battery directly with the electronic assembly.
151 Citations
28 Claims
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1. A method of manufacturing an active RFID device including a flat electrochemical cell for generating an electrical current, said method including the steps of:
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providing a first substrate and a second substrate, at least one of which includes a plurality of layers, said first substrate including a first side and a second side; providing an active RFID assembly on said second side of said first substrate, including a RFID antenna, an active RFID element in communication with the RFID antenna, and a plurality of electrical contacts in electrical communication with the active RFID element; providing a cathode layer on said first side of said first substrate; providing an anode layer on said first side of said first substrate; providing an electrolyte layer including a viscous liquid in contact with said cathode layer and also in contact with said anode layer; providing a frame on said first side of said first substrate to form an inner space containing said electrolyte, and also containing at least a major portion of said cathode layer and at least a major portion of said anode layer within said inner space; electrically coupling the cathode layer, the anode layer, and the plurality of electrical contacts; and connecting said second substrate to said first substrate to substantially seal said inner space containing said cathode layer, said anode layer, and said electrolyte layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 17, 18, 19)
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11. A method of manufacturing an active RFID device including a flat electrochemical cell for generating an electrical current, said method including the steps of:
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providing a first substrate and a second substrate, at least one of which includes a web having a plurality of layers, said first substrate including a first side and a second side; providing an active RFID assembly on said second side of said first substrate, including the steps of (i) providing an active RFID element on said second side of said first substrate; and
(ii) printing an RFID antenna and a plurality of electrical contacts on said second side of said first substrate so as to be in electrical contact with said active RFID element, wherein each of said RFID antenna and plurality of electrical contacts include a cured or dried ink;printing a cathode collector layer on said first side of said first substrate; printing a cathode layer on said first side of said first substrate; laminating an anode layer on said first side of said first substrate; providing an electrolyte layer including a viscous liquid in contact with said cathode layer and also in contact with said anode layer; providing a frame on said first side of said first substrate to form an inner space containing said electrolyte, and also containing at least a major portion of said cathode layer and at least a major portion of said anode layer within said inner space; electrically coupling the cathode layer via the cathode collector, the anode layer, and the plurality of electrical contacts; and connecting said second substrate to said first substrate to substantially seal said inner space containing said cathode layer, said anode layer, and said electrolyte layer. - View Dependent Claims (12, 13, 14, 15)
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16. An active RFID device including a flat electrochemical cell for generating an electrical current, said active RFID device including:
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a first substrate including of a plurality of laminated layers and defining a first side and a second side; a second substrate; an active RFID assembly provided on said second side of said first substrate, including a RFID antenna, an active RFID element in communication with the RFID antenna, and a plurality of electrical contacts in electrical communication with the active RFID element; a cathode layer provided on said first side of said first substrate; an anode layer provided on said first side of said first substrate; an electrolyte layer including a viscous liquid in contact with said cathode layer and also in contact with said anode layer; a frame interposed between said first and second substrate to connect and seal said first substrate to said second substrate to form an inner space containing said electrolyte, and also containing at least a major portion of said cathode layer and at least a major portion of said anode layer within said inner space, wherein at least one of said anode layer and said cathode layer include a cured or dried ink; and an electrical coupler assembly providing electrical communication between the cathode layer, the anode layer, and the plurality of electrical contacts. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A method of manufacturing an active RFID device including a flat electrochemical cell for generating an electrical current, said method including the steps of:
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providing a first substrate including a first side and a second side; providing an active RFID assembly on said second side of said first substrate; providing a cathode collector layer on said first side of said first substrate; providing a cathode layer on said first side of said first substrate; providing an anode layer on said first side of said first substrate; providing an electrolyte layer in contact with said cathode layer and also in contact with said anode layer; and electrically coupling the cathode layer via the cathode collector layer, the anode layer, and the active RFID assembly through the first substrate. - View Dependent Claims (27, 28)
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Specification