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US3838320A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple layer capacitors

Assignee: American Technical Ceramics Corp
•
Filing: 1974-01-04
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Granted: 1974-09-24
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Expires: 1994-01-04
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Abstract

Abstract A multiple layer capacitor for use at high frequencies has a plurality of conductive plates or electrodes embedded in spaced parallel disposition in a dielectric block. The capacitor has increased current handling capacity, higher Q and lower internal series resistance than conventional capacitors of the same size and capacitance due to arrangement of plates between end plates as one or more closely spaced pairs. The spacing between plates of each pair is negligibly small as compared with the spacing between the pairs of plates and the end plates, and each of the pair of plates is connected to the same terminal.

Inventors

  • 👤 S Klein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:42
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/30

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 116 words
A multiple layer capacitor for use at high frequencies comprising: a dielectric block; two conductive end plates embedded in said block and disposed in spaced parallel disposition near opposite sides of said block; a first pair of other conductive plates embedded in said block and disposed in spaced parallel disposition between and parallel to said end plates, the spacing between said pair of plates being negligibly small as compared with the spacing between each one of said pair of plates and the nearest adjacent end plate so that said pair of plates constitute effectively one capacitive plate; and means for connecting said pair of plates to one terminal of a two terminal high frequency power supply.
Claim 2
Dependent Claim 116 words
A multiple layer capacitor for use at high frequencies comprising: a dielectric block; two conductive end plates embedded in said block and disposed in spaced parallel disposition near opposite sides of said block; a first pair of other conductive plates embedded in said block and disposed in spaced parallel disposition between and parallel to said end plates, the spacing between said pair of plates being negligibly small as compared with the spacing between each one of said pair of plates and the nearest adjacent end plate so that said pair of plates constitute effectively one capacitive plate; and means for connecting said pair of plates to one terminal of a two terminal high frequency power supply.
Claim 3
Dependent Claim 44 words
A multiple layer capacitor as defined in claim 1, further comprising means for connecting said end plates to another terminal of said high frequency power supply, so that said end plates and said pair of plates comprise in effect a capacitor with three electrodes.
Claim 4
Dependent Claim 82 words
A multiple layer capacitor as defined in claim 1, further comprising a second pair of conductive plates embedded in said block and disposed in spaced parallel disposition between and parallel to one end plate and one plate of said first pair of plates for increasing the overall capacitance of said capacitor, the spacing between said second pair of plates being negligibly small as compared with the spacing between said one end plate and said one plate of said first pair of plates.
Claim 5
Dependent Claim 66 words
A multiple layer capacitor as defined in claim 3, further comprising means for connecting said one end plate to said one terminal of said power supply and means for connecting said second pair of conductive plates and the other end plate to the other terminal of said power supply, so that said end plates and said conductive plates constitute in effect a capacitor with four electrodes.
Claim 6
Dependent Claim 172 words
A multiple layer capacitor as defined in claim 1, further comprising a plurality of other pairs of conductive plates embedded in said block and disposed in spaced parallel disposition between and parallel to said one end plate and said one plate of said first pair of plates for increasing the overall capacitance of said capacitor, the spacing between said plates of each other pAir thereof being negligibly small so that each of said other pair of plates effectively constitute a single capacitive plate, the spacing between said plates of each of said other pair thereof being also negligibly small as compared with the spacing between all the pairs of plates and between the respective end plates and adjacent pairs of plates; means for connecting both plates of at least one of said other pairs thereof to said one terminal of said high frequency power supply; and means for connecting both plates of at least one other of said other pairs of plates to said other terminals of said high frequency power supply.
Claim 7
Dependent Claim 31 words
A multiple layer capacitor as defined in claim 5, further comprising means for connecting said end plates respectively to said one and said other terminals of said high frequency power supply.
Claim 8
Dependent Claim 31 words
A multiple layer capacitor as defined in claim 5, further comprising means for connecting said end plates respectively to the same one of the terminals of said high frequency power supply.
Claim 9
Dependent Claim 32 words
A multiple layer capacitor as defined in claim 5, wherein all of said plates in said capacitor physically constitute an even number of electrodes, while effectively comprising an odd number of electrodes.
Claim 10
Dependent Claim 29 words
A multiple layer capacitor as defined in claim 5, wherein all of said plates in said capacitor are sub equal in length and width and are of negligible thickness.
Claim 11
Dependent Claim 34 words
A multiple layer capacitor as defined in claim 5, wherein the spacing between said pair of plates is the same and equal to the spacing between said end plates and adjacent pairs of plates.
Claim 12
Dependent Claim 31 words
A multiple layer capacitor as defined in claim 5, wherein the spacing between said pairs of plates is greater than the spacing between said end plates and adjacent pairs of plates.
Claim 13
Dependent Claim 31 words
A multiple layer capacitor as defined in claim 5, wherein the spacing between said pairs of plates is less than the spacing between said end plates and adjacent pairs of plates.

References Cited (Backward Citations)

US3745431A Cited
US3740624A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-09-23 1978-03-25 1978-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-23 1982-03-25 1982-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-23 1986-03-25 1986-09-24 $7700.00 Window Closed / Lapsed

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