MOUNTING STRUCTURE FOR MATCHING AN RF INTEGRATED CIRCUIT WITH AN ANTENNA AND RFID DEVICE IMPLEMENTING SAME

• US 20080062046A1
• Filed: 09/08/2006
• Published: 03/13/2008
• Est. Priority Date: 09/08/2006
• Status: Abandoned Application

• Current Assignee: Intelleflex Corporation
• Original Assignee: Intelleflex Corporation
• Inventors: Al-Mahdawi, Tareef Ibrahim
• Application Number:
  US11/530,425
• Publication Number:
  US 20080062046A1
• Time in Patent Office: Days
• US Class Current: 343/700MS
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 25/00 Antennas or antenna systems providing at least two radiating patterns arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00

Abstract

A radio frequency device such as an RFID tag according to one embodiment includes an antenna, an integrated circuit, and a structure positioned between the antenna and the integrated circuit for electrically coupling the antenna to the integrated circuit, the structure assisting in matching RF-related properties of the integrated circuit, e.g., antenna inputs thereof, and the antenna.

Claims

1. A radio frequency device, comprising:

an antenna;

an integrated circuit; and

a structure positioned between the antenna and the integrated circuit for electrically coupling the antenna to the integrated circuit, the structure assisting in matching RF-related properties of the integrated circuit and the antenna, the structure including electrically conductive traces having physical shapes that create an impedance therein.

2. A device as recited in claim 1, wherein the integrated circuit is embodied in a chip.

3. A device as recited in claim 2, wherein the chip is mounted to the structure.

4. A device as recited in claim 1, wherein the structure assists in matching antenna inputs of the integrated circuit and the antenna.

5. A device as recited in claim 1, wherein the structure further comprises a base and electrically conductive traces passing over a surface of the base, the traces passing over the surface of the base being for coupling the antenna to the integrated circuit, and providing the matching of the RF-related properties.

6. A device as recited in claim 1, wherein the structure further comprises a base, the traces passing through the base, the traces being for coupling the antenna to the integrated circuit, the traces providing the matching of the RF-related properties.

7. A device as recited in claim 1, wherein the structure assists in matching an impedance of the integrated circuit to the antenna.

8. A device as recited in claim 7, wherein the structure generates an inductance.

9. A device as recited in claim 1, wherein the traces assist in providing the matching of the RF-related properties.

10. A device as recited in claim 1, wherein the structure assists in transmission line matching between the integrated circuit and the antenna.

11. A device as recited in claim 1, wherein the structure further comprises an analog component for assisting in the matching.

12. A device as recited in claim 1, wherein the device is an RFID tag.

28. A device as recited in claim 1, wherein the antenna includes a thin foil constructed from one of copper, copper-alloy, or nickel-iron alloy.

29. A device as recited in claim 1, wherein the antenna includes conductive ink.

13. A structure for a radio frequency device, comprising:

a base; and

electrically conductive traces for electrically coupling an antenna to an integrated circuit, the traces assisting in matching RF-related properties of the integrated circuit and the antenna, the traces having physical shapes that create an impedance therein.

14. A device as recited in claim 13, wherein the traces pass over a surface of the base.

15. A device as recited in claim 13, wherein die traces pass through the base.

16. A device as recited in claim 13, wherein the traces assist in matching an impedance of the integrated circuit to the antenna.

17. A device as recited in claim 16, wherein the traces generate an inductance.

18. A device as recited in claim 13, wherein the traces are coupled to one of a capacitor, an inductor, a resistor, and a transistor for assisting in the matching.

19. A device as recited in claim 13, wherein the traces assist in transmission line matching between the integrated circuit and the antenna.

20. A device as recited in claim 13, further comprising an analog component coupled to the traces for assisting in the matching.

21. A structure for assisting in matching RE-related properties of an integrated circuit and an antenna of a radio frequency device, comprising:

a base; and

electrically conductive traces for electrically coupling an antenna to an integrated circuit, the traces having physical shapes that create an impedance therein.

22. A device as recited in claim 21, wherein the traces pass over a surface of the base.

23. A device as recited in claim 21, wherein the traces pass through the base.

24. A device as recited in claim 21, wherein the traces assist in matching an impedance or the integrated circuit to the antenna.

25. A device as recited in claim 24, wherein the traces generate an inductance.

26. A device as recited in claim 21, wherein the traces assist in transmission line matching between the integrated circuit and the antenna.

27. A device as recited in claim 21, further comprising an analog component coupled to the traces for assisting in the matching.