An RFIC module is provided that includes an RFIC and an impedance matching circuit connected to an RFIC side first terminal electrode, an RFIC side second terminal electrode, an antenna side first terminal electrode and an antenna side second terminal electrode. The impedance matching circuit includes a first inductor, a second inductor, a third inductor, and a fourth inductor, and a conductor pattern that configures the first inductor, the second inductor, the third inductor, and the fourth inductor as a single coil-shaped pattern.

An RFID tag includes an RFID IC, flexible substrates including first wiring conductors and rigid substrates including second wiring conductors. Substrate surfaces of the flexible substrates include first regions connected to the rigid substrates and second regions that include opposite surfaces and are not connected to the rigid substrates. First conductor portions and second conductor portions included in the first wiring conductors are electrically connected to each other via the second wiring conductors. The RFID IC is connected to the first wiring conductors, the second wiring conductors, or both the first wiring conductors and the second wiring conductors.

The invention relates to a method for manufacturing an antenna for a radiofrequency transponder, said antenna including a spiral comprising turns which extend, at least in part, over an insulating substrate; the method is characterised in that it includes the step ac-cording to which at least one first portion of each turn is deposited on said substrate at a first plane level, at least one second portion of each turn being formed or kept at a distance from the first plane level of the substrate, the axis of the spiral being parallel to the plane of the substrate. The invention also relates to a portable electronic object comprising, in a fixed or removable manner, the obtained antenna.

Systems and methods for integrating tags with items. The methods comprise: turning a reel by an amount that allows a portion of an elongate narrow substrate that includes a first tag of a plurality of tags to be paid out (where each of the plurality of tags comprises at least one antenna formed of a trace or wire disposed on the elongate narrow substrate and a communication enabled device coupled to the elongate narrow substrate so as to have an electrical coupling or connection with the at least one antenna); dynamically tuning the first tag to optimize tag performance in view of dielectric and tuning properties of a first item being fabricated; cutting the elongate narrow substrate so as to cause the first tag to be placed on the first item being fabricated; and coupling the first tag to the item being fabricated.

The invention relates to a chip card designed to communicate data in a contactless mode with a card reader operating at a reading frequency. The resonance frequency of the chip card may change according to the capacitance of the chip used in the contactless mode of the chip card. In order to be able to use various chips without changing the booster antenna design, the card antenna circuit is provided with a capacitance element such that the chip card including the card antenna circuit and the chip module has two different resonance frequencies, one of which being equal to, or lower than, the reading frequency and the other being equal to, or greater, than the reading frequency. This create a broadband wherein the reading frequency falls.

A capacitive coupled radio frequency identification, RFID, tag and method for reading the tag, the tag comprising a semiconductor substrate having a first planar surface and a second planar surface distal from the first planar surface. A metallic pad formed on the first planar surface of the semiconductor substrate. A circuit formed on the semiconductor substrate and electrically connected to the metallic pad and the second planar surface of the semiconductor substrate, the circuit configured to respond to a radio frequency, RF, input signal by providing a data signal encoded by varying an impedance between the metallic pad and the second planar surface of the semiconductor substrate.

Disclosed is a destructible RFID Tag that may include a far field antenna, a near field loop having an RFID chip, and an attachment adhesive configured to bond the destructible RFID Tag to an object. In at least one nonlimiting example embodiment the far field antenna and the near field loop are inductively coupled in a manner that allows the near field loop to send a long distance signal via the far field loop, and wherein the destructible RFID Tag destructs when the destructible RFID Tag is removed from an object after the attachment adhesive is bonded to the object.

An RFID tag for capacitively coupled RFID communication with an RFID reader. The RFID tag comprising an integrated circuit (IC), the IC including a first RFID tag electrode arranged to capacitively couple with a first electrode of the RFID reader to form a first capacitor, and a second RFID tag electrode arranged to capacitively couple with a second electrode of the RFID reader to form a second capacitor when the RFID tag is in a first position relative to the RFID reader; power supply circuitry configured to extract power from a first time-varying signal received from the RFID reader via at least one of the first RFID tag electrode and the second RFID tag electrode, and supply the extracted power to circuitry of the RFID tag; and data transmission circuitry configured to receive the extracted power from the power supply circuitry, and transmit data to the RFID reader via at least one of the first RFID tag electrode and the second RFID tag electrode.

A detectable label and associated methods of making a detectable label are provided. One example of the detectable label may include a coil and a capacitor arranged in an LC circuit. The flux direction of the LC circuit is generally parallel a package when the detectable label is attached to the package.

An attention tag for a retail article that includes a label having an adhesive region bonded to a retail article and a protruding region that protrudes from the retail article when the label is attached thereto. Moreover, an RFID tag is disposed on the label and includes an RFIC element and an antenna pattern including first and second antenna portions that are respectively connected to first and second ends of the RFIC element. Moreover, the first antenna portion is disposed in the protruding region of the label while the second antenna portion of the RFID tag is disposed in the adhesive region of the label at a position facing a portion of the retail article.