System and method for edge termination of parallel conductive planes in an electrical interconnecting apparatus

An electrical interconnecting apparatus, comprising:

• a pair of parallel planar electrical conductors separated by a dielectric layer, wherein each planar electrical conductor is substantially rectangular and has four sides, and wherein each planar electrical conductor has an outer region near the four sides;
• and
• a plurality of impedance networks electrically connected between the outer regions of the planar conductors, wherein each impedance network includes a resistive electrical resistance in series with a respective electrical capacitance, and wherein n of the impedance networks reside along one side of the electrical interconnecting apparatus, and wherein n.gtoreq.3, and wherein the respective electrical resistance of each of the n impedance networks has a corresponding value greater than a characteristic impedance of the planar conductors, and wherein the n impedance networks are separated from each other by the same lateral spacing distance therebetween.

A method for stabilizing the electrical impedance of a substantially rectangular structure including a pair of parallel planar conductors separated by a dielectric layer, the method comprising:

• selecting a value for each of n electrical resistances, wherein n.gtoreq.3, and wherein the respective value of each of the n electrical resistances is greater than a characteristic impedance of the structure;
• and
• electrically coupling the n electrical resistances between the planar conductors along an outer edge of a side of the structure, wherein the coupling is performed such that respective lateral spacings between the electrical resistances are maintained at a same distance therebetween.

An electrical interconnecting apparatus, comprising:

• a pair of parallel planar electrical conductors separated by a dielectric layer, wherein each planar electrical conductor is substantially rectangular and has four sides, and wherein each planar electrical conductor has an outer region near the four sides;
• and
• a plurality of impedance networks electrically connected between the outer regions of the planar conductors, wherein each impedance network includes a respective electrical resistor, and wherein n of the impedance networks reside along one side of the electrical interconnecting apparatus, and wherein n.gtoreq.3, and wherein the respective electrical resistor of each of the n impedance networks has a corresponding value greater than a characteristic impedance of the planar conductors, and wherein the n impedance networks are separated from each other by the same lateral spacing distance therebetween.

A method for stabilizing the electrical impedance of a structure, comprising:

• determining a characteristic impedance Zo of the structure, wherein the structure includes a pair of parallel planar electrical conductors separated by a dielectric layer, and wherein each planar electrical conductor is substantially rectangular and has four sides, and wherein a distance between opposite sides of one of the planar conductors is substantially equal to a corresponding distance between opposite sides of the other planar conductor, and wherein each planar electrical conductor has an outer region near the four sides;
• and
• forming a continuous electrical resistance between the outer regions of the planar conductors along an outer edge of one of the four sides of the structure, wherein the continuous electrical resistance offers an electrical resistance substantially equal to Zo.

An electrical interconnecting apparatus, comprising:

• a pair of parallel planar electrical conductors separated by a dielectric layer, wherein each planar electrical conductor is substantially rectangular and has four sides, and wherein a distance between opposite sides of one of the planar conductors is substantially equal to a corresponding distance between opposite sides of the other planar conductor, and wherein each planar electrical conductor has an outer region near the four sides;
• and
• a continuous electrical resistance electrically coupled between the outer regions of the planar conductors, wherein a portion of the continuous electrical resistance exists between the planar conductors along a outer edge of one of the four sides of the structure, and wherein the portion of the continuous electrical resistance offers an electrical resistance substantially equal to a characteristic impedance of the planar conductors.