Methods of enhancing electronmagnetic radiation properties of encapsulated circuit, and related devices

A method of forming an electronic signal transmitting/receiving device comprising:

• providing an integrated circuit configured for processing electronic signals;
• operatively connecting an antenna with the integrated circuit, the antenna being configured for transmitting/receiving electronic signals;
• providing a matrix material;
• selecting at least one desired filler material to achieve a desired electronic operating parameter;
• adding said at least one desired filler material to said matrix material;
• and
• forming said matrix material with said at least one desired filler material over at least a portion of said antenna.

A method of forming an electromagnetic radiation signal passing device comprising the following steps:

• providing an integrated circuit;
• providing a power source for the integrated circuit;
• providing at least one electromagnetic radiation signal passing antenna associated with the integrated circuit, the antenna having an outer surface;
• operably connecting the integrated circuit, power source and antenna;
• and
• covering the antenna outer surface with a solid material matrix comprising a suspension of solid particles, the solid particles being selected to adjust an electronic operating parameter of the antenna.

A method of forming a radio frequency identification device comprising the following steps:

• providing an integrated circuit comprising radio frequency transmitting and receiving circuitry;
• providing a battery power source for the integrated circuit;
• providing at least one radio signal passing antenna associated with the transmitting and receiving circuitry, the antenna having an outer surface;
• operably connecting the integrated circuit, battery power source and antenna;
• covering the antenna outer surface with a flowable material comprising a suspension of solid particles, the solid particles being selected to affect the frequency at which the antenna resonates;
• and
• curing the flowable material into a hardened antenna coating.

A method of forming a radio frequency transmitting/receiving card comprising:

• providing an antenna having a first length which is less than a desired second length, the second length being characterized by a desired resonant frequency, the antenna having an outer surface;
• covering at least a portion of the antenna outer surface with a solid material matrix comprising a suspension of solid particles, the solid particles being selected to comprise a material, volume and density within the matrix effective to increase the first length to an effective length substantially equal to the desired second length and to achieve the desired resonant frequency for operable passage of radio frequency signals;
• and
• packaging the antenna with integrated circuitry coupled operatively therewith to form a radio frequency receiving/transmitting card having a thickness no greater than about 90 mils.

A method of forming a radio frequency receiving/transmitting device comprising:

• providing an integrated circuit configured for processing radio frequency signals;
• operatively coupling a battery with the integrated circuit;
• providing an elongate antenna operatively connected with the integrated circuit and configured for receiving/transmitting radio frequency signals;
• providing a matrix material;
• selecting at least one desired filler material and adding the filler material to the matrix material to form a coating material;
• forming the coating material over at least a portion of the antenna, wherein the filler material is selected to manipulate an electronic operating characteristic of the radio frequency receiving/transmitting device;
• and
• packaging the integrated circuit, battery, and antenna in a package to form the radio frequency receiving/transmitting device.

A radio frequency transmitting/receiving device comprising:

• integrated circuitry configured for processing radio frequency signals;
• a battery operatively coupled with the integrated circuitry, the battery having an outer perimeter;
• an elongate antenna operatively coupled with the integrated circuitry for transmitting/receiving radio frequency signals, a substantial portion of the antenna being disposed proximate the outer perimeter of the battery;
• coating material including at least one type of filler material selected to manipulate an electronic operating characteristic of the radio frequency transmitting/receiving device, the coating material being disposed over at least a portion of the antenna;
• and
• packaging material formed over the integrated circuitry, battery, and antenna and encapsulating the same to form the radio frequency transmitting/receiving device having a thickness no greater than about 30 mils.