Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package

• US 5,909,350 A
• Filed: 04/08/1997
• Issued: 06/01/1999
• Est. Priority Date: 04/08/1997
• Status: Expired due to Term

• Current Assignee: X2Y Attenuators, LLC
• Original Assignee: X2Y Attenuators, LLC
• Inventors: Anthony, Anthony A.
• Primary Examiner(s): Gaffin, Jeffrey
• Assistant Examiner(s): JACKSON, STEPHEN W
• Application Number:
  US08/841,940
• Time in Patent Office: 784 Days
• Field of Search: 361/56, 361/58, 361/91, 361/111, 361/113, 361/117, 361/118, 361/119, 361/127
• US Class Current: 361/118
• CPC Class Codes: H03H 1/0007 of radio frequency interference filters
• CPC Class Codes: H05K 1/141 One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters H05K1/142 and H05K1/147 take precedence
• CPC Class Codes: H05K 1/162 incorporating printed capacitors
• CPC Class Codes: H05K 3/3436 having an array of bottom contacts, e.g. pad grid array or ball grid array components

Abstract

The present invention relates to a passive electronic component architecture employed in conjunction with various dielectric and combinations of dielectric materials to provide a differential and common mode filter for the suppression of electromagnetic emissions and surge protection. The architecture allows single or multiple components to be assembled within a single package such as an integrated circuit or connector. The component'"'"'s architecture is dielectric independent and provides for integration of various electrical characteristics within a single component to perform the functions of filtering, fusing and surge suppression, alone or in combination.

Claims

1. A line conditioning electronic component comprising:

at least one common ground conductive plate having at least two insulating apertures;

at least two electrode plates each having at least one insulating aperture and at least one coupling aperture, wherein said first electrode plate is stacked below said common ground conductive plate and said second electrode plate is stacked above said common ground conductive plate, wherein said at least two electrode plates sandwich said at least one center common ground conductive plate;

at least two electrical conductors disposed through said apertures of said common ground conductive plate and said at least two electrode plates, wherein each of said at least two conductors is electrically connected to a different electrode plate; and

a material having predetermined electrical properties, wherein said material is maintained between said common ground conductive plate and said at least two electrode plates preventing direct electrical connection between said plates creating a capacitive element coupled between said at least two electrical conductors and creating two capacitive elements one coupled between one electrical conductor and said common ground conductive plate and the other coupled between the other electrical conductor and said common around conductive plate.

2. A line conditioning electronic component as recited in claim 1, further comprising at least two common ground conductive plates each having at least two insulating apertures, wherein said first common ground conductive plate is stacked below said first electrode plate and said second common ground conductive plate is stacked above said second electrode plate, wherein said material having predetermined electrical properties is maintained between said electrode plates and said at least two common ground conductive plates and wherein said at least two electrical conductors are disposed through said apertures of said first and second common ground conductive plates.

3. A line conditioning electronic component as recited in claim 1, further comprising a plurality of outer conductive surfaces wherein each of said at least two electrode plates and said common ground conductive plates are individually and independently electrically coupled to separate outer conductive surface.

4. A line conditioning electronic component as recited in claim 1, wherein said component includes an electrically insulated aperture for insulating said component from a said motor.

5. A line conditioning electronic component as recited in claim 1, wherein said at least two electrode plates have equal and balanced electrical characteristics and said at least two electrical conductors are electrically polarized opposite of one another, wherein said equal and balanced electrical characteristics in cooperation with said electrically opposite polarized at least two electrical conductors result in line-to-line capacitance values equal to approximately half of the line-to-ground capacitance values for said line conditioning electronic component.

6. A line conditioning electronic component as recited in claim 1, wherein the interlacing of said at least two electrode plates and three of said at least one common ground conductive plates creates a Faraday shield encircling each of said at least two electrical conductors while reducing mutual inductive coupling between said at least two electrical conductors.

7. A line conditioning electronic component as recited in claim 1, wherein the interlacing of said at least two electrode plates and said at least one common ground conductive plates creates a Faraday shield separating each of said at least two electrical conductors while reducing mutual inductive coupling between said at least two electrical conductors.

8. A line conditioning electronic component as recited in claim 1, wherein said predetermined electrical property of said material is selected from the group consisting of capacitive filtering, overvoltage and surge suppression, capacitive and inductive filtering, and combinations of capacitive, inductive and suppression properties wherein the particular substance which said material is comprised of will determine the specific performance in both filter and surge protection functions.

9. A line conditioning electronic component as recited in claim 1, wherein said material having predetermined electrical properties is selected from the group consisting of dielectric materials, metal oxide varistor materials, ferrite materials, and sintered polycrystalline materials wherein the particular material will determine the specific performance in both filter and surge protection functions.

10. A line conditioning electronic component as recited in claim 9, wherein said material having predetermined electrical properties is comprised of ferrite materials providing increased inductance within said line conditioning electronic component thereby increasing the mutual coupling between said at least two electrical conductors causing electrical noise cancellation.

11. A line conditioning electronic component as recited in claim 1, wherein each of said at least two electrode plates contains a plurality of electrode patterns, each of said electrode patterns having at least one insulating aperture and at least one coupling aperture;

wherein said at least one common ground conductive plate contains two insulating apertures for each of said electrode patterns contained in each of said at least two electrode plates; and

wherein a plurality of electrical conductors are disposed through said apertures with one pair of electrical conductors disposed through each of said electrode patterns creating a capacitive element coupled between each pair of said electrical conductors and creating two capacitive elements each coupled between one of said electrical conductors and said common ground conductive plate.

12. A line conditioning electronic component as recited in claim 11, wherein each of said electrode patterns formed on said electrode plates contains at least one coupling aperture and at least two insulating apertures.

13. A line conditioning electronic component comprising:

at least one common ground conductive plate having at least two insulating apertures;

at least two electrode plates, wherein each of said at least two electrode plates is comprised of a material having predetermined electrical properties, wherein each of said at least two electrode plates includes a conductive surface having a coupling aperture;

wherein each of said at least two electrode plates is coupled to opposite sides of said at least one common ground conductive plate with said conductive surfaces of said electrode plates directed away from said at least one common ground conductive plate; and

at least one pair of electrical conductors, wherein each of said electrical conductors is disposed through and connected to one of said coupling apertures of said electrode plates and disposed through the respective insulating aperture of said at least one common ground conductive plate creating a capacitive element coupled between said pair of electrical conductors and creating two capacitive elements coupled between each of said electrical conductors and said common ground conductive plate.

14. A line conditioning electronic component as recited in claim 13, wherein said material having predetermined electrical properties is selected from the group consisting of dielectric materials, metal oxide varistor materials, ferrite materials, and sintered polycrystalline materials wherein the particular material will determine the specific performance in both filter and surge protection functions.

15. A line conditioning electronic component comprising:

at least one common ground plate having a common conductive electrode and an isolation band on either end which extends the width of said at least one common ground plate;

at least two differential plates having a conductive electrode and an isolation band along three of said differential plates four sides, wherein said first differential plate is stacked below said common ground plate and said second differential plate is stacked above said common ground plate, wherein said first and said second differential plates are oriented so their sides which do not have isolation bands are placed in opposing directions and aligned with said isolation bands of said common ground plate;

a material having predetermined electrical properties, wherein said material is maintained between said at least one common ground plate and said at least two differential plates; and

a first differential band, a second differential band and a common band, wherein said conductive electrode of said first differential plate is coupled to said first differential band, wherein said conductive electrode of said second differential plate is coupled to said second differential band, and wherein said conductive electrode of said common ground plate is coupled to said common band creating a capacitive element coupled between said first and second differential bands and two capacitive elements coupled between each of said first and second differential bands and said common band.

16. A line conditioning electronic component as recited in claim 15, further comprising a plurality of differential plates and a plurality of common ground plates, wherein each of said plurality of differential plates and each of said common ground plates cooperates to form a capacitive element coupled between each pair of said differential bands and creating a capacitive element coupled between each of said differential bands and said common band.

17. A line conditioning electronic component as recited in claim 15, wherein said at least two electrode plates have equal and balanced electrical characteristics and said at least two electrical conductors are electrically polarized opposite of one another, wherein said equal and balanced electrical characteristics in cooperation with said electrically opposite polarized at least two electrical conductors result in line-to-line capacitance values equal to approximately half of the line-to-ground capacitance values for said line conditioning electronic component.

18. A line conditioning electronic component as recited in claim 15, wherein the interlacing of said at least two differential plates and said at least one common ground plate creates a Faraday shield separating each of said first and second differential bands while reducing mutual inductive coupling between said first and second differential bands.

19. A line conditioning electronic component as recited in claim 15, wherein the interlacing of said at least two differential plates and three said at least one common ground plates creates a Faraday shield encircling each of said first and second differential bands while reducing mutual inductive coupling between said first and second differential bands.

20. A line conditioning electronic component as recited in claim 15, wherein said predetermined electrical property of said material is selected from the group consisting of capacitive filtering, overvoltage and surge suppression, capacitive and inductive filtering, and combinations of capacitive, inductive and suppression properties wherein the particular substance which said material is comprised of will determine the specific performance in both filter and surge protection functions.

21. A line conditioning electronic component as recited in claim 15, wherein said material having predetermined electrical properties is selected from the group consisting of dielectric materials, metal oxide varistor materials, ferrite materials, and sintered polycrystalline materials wherein the particular material will determine the specific performance in both filter and surge protection functions.

22. A line conditioning electronic component as recited in claim 21, wherein said material having predetermined electrical properties is comprised of ferrite materials providing increased inductance within said line conditioning electronic component thereby increasing the mutual coupling between said first and second differential bands causing electrical noise cancellation.

23. A line conditioning electronic component comprising:

at least one common conductive plate having an isolation barrier on either end which extends the width of said at least one common conductive plate, wherein said common conductive plate comprises a film having a conductive surface deposited upon said film, and wherein said isolation barriers are formed by removing predetermined portions of said conductive surface;

at least two electrode plates each having a first isolation barrier and a second isolation barrier, wherein said first isolation barrier and said second isolation barrier divide each of said electrode plates into three electrically isolated areas with the area within said first isolation barrier forming the primary electrode pattern;

said first electrode plate is stacked below said common conductive plate and said second electrode plate is stacked above said common conductive plate, wherein said first and said second electrode plates are aligned so their first isolation barriers are positioned opposite one another, and wherein said at least two electrode plates sandwich said at least one common conductive plate; and

at least two conductive terminal, wherein said first terminal is coupled to said primary electrode pattern of said first electrode plate and said second terminal is coupled to said primary electrode pattern of said second electrode plate creating a capacitive element coupled between said first and said second terminals and creating two capacitive elements coupled between each of said first and said second terminal and said common conductive plate.

24. A line conditioning electronic component as recited in claim 23, wherein said first isolation barrier is U-shaped and said second isolation barrier is vertically linear in shape.

25. A line conditioning electronic component as recited in claim 23, wherein said at least two electrode plates have equal and balanced electrical characteristics and said at least two conductive terminals are electrically polarized opposite of one another, wherein said equal and balanced electrical characteristics in cooperation with said electrically opposite polarized at least two electrical conductors result in line-to-line capacitance values equal to approximately half of the line-to-ground capacitance values for said line conditioning electronic component.

26. A line conditioning electronic component as recited in claim 23, wherein the interlacing of said at least two electrode plates and said at least one common conductive plate creates a Faraday shield encircling each of said at least two electrical conductors while reducing mutual inductive coupling between said at least two electrical conductors.

27. A line conditioning electronic component as recited in claim 23, wherein said predetermined electrical property of said conductive surface of said film is selected from the group consisting of capacitive filtering, overvoltage and surge suppression, capacitive and inductive filtering, and combinations of capacitive, inductive and suppression properties wherein the particular substance which said material is comprised of will determine the specific performance in both filter and surge protection functions.

28. A line conditioning electronic component as recited in claim 23, wherein said conductive surface of said film is comprised of material selected from the group consisting of dielectric materials, metal oxide varistor materials, ferrite materials, and sintered polycrystalline materials wherein the particular material will determine the specific performance in both filter and surge protection functions.

29. A line conditioning electronic component as recited in claim 28, wherein said conductive surface of said film comprised of ferrite materials provides increased inductance within said line conditioning electronic component thereby increasing the mutual coupling between said at least two conductive terminals causing electrical noise cancellation.

30. A motor line conditioning electronic component comprising:

at least one common conductive electrode;

at least two conductive electrodes, wherein said first conductive electrode is stacked below said common conductive electrode and said second conductive electrode is stacked above said common conductive electrode, wherein said at least two conductive electrodes sandwich said at least one common conductive electrode;

a material having predetermined electrical properties, wherein said material is maintained between said at least one common conductive electrode and said at least two conductive electrodes; and

a first conductive band, a second conductive band and a common band, wherein said first conductive band is coupled to said first conductive electrode and said second conductive band is coupled to said second conductive electrode, and wherein said common conductive electrode is coupled to said common band creating a capacitive element coupled between said first and said second conductive bands and two capacitive elements coupled between each of said first and said second conductive bands and said common band.

31. A motor line conditioning electronic component as recited in claim 30, wherein said material having predetermined electrical properties is selected from the group consisting of dielectric materials, metal oxide varistor materials, ferrite materials, and sintered polycrystalline materials wherein the particular material will determine the specific performance in both filter and surge protection functions.

32. A motor line conditioning electronic component as recited in claim 30, wherein said line conditioning electronic component includes an electrically insulated aperture for physically mounting said component to said motor.

33. A line conditioning electronic component comprising:

at least one common conductive plate;

at least two plates of material having predetermined electrical properties;

at least two conductive electrode plates wherein said first conductive electrode plate is stacked below said common conductive plate and said second conductive electrode plate is stacked above said common conductive plate, wherein said plates of material having predetermined electrical properties are maintained between and physically separate said common conductive plate from said first and said second conductive electrode plates; and

an enclosure with a lid having connection terminals electrically coupled to said conductive electrode plates, wherein said enclosure houses said line conditioning electronic component.