EP1028497A3 - Planar filter - Google Patents

Planar filter Download PDF

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Publication number
EP1028497A3
EP1028497A3 EP99125868A EP99125868A EP1028497A3 EP 1028497 A3 EP1028497 A3 EP 1028497A3 EP 99125868 A EP99125868 A EP 99125868A EP 99125868 A EP99125868 A EP 99125868A EP 1028497 A3 EP1028497 A3 EP 1028497A3
Authority
EP
European Patent Office
Prior art keywords
carrier
signal
ground
electrodes
planar filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99125868A
Other languages
German (de)
French (fr)
Other versions
EP1028497A2 (en
EP1028497B1 (en
Inventor
Meinolf Dingenotto
Frank Wallmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Original Assignee
FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie filed Critical FILTEC GmbH Filtertechnologie fuer die Elektronikindustrie
Publication of EP1028497A2 publication Critical patent/EP1028497A2/en
Publication of EP1028497A3 publication Critical patent/EP1028497A3/en
Application granted granted Critical
Publication of EP1028497B1 publication Critical patent/EP1028497B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7195—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with planar filters with openings for contacts

Abstract

Um bei einem Planarfilter mit vielen, durch einen Träger (1) geführten Signalstiften, von denen jeder einen Kondensator aufweist, mit einem mit dem Signalstift verbundenen Signalbelag (3), einem mit Masse verbundenen Massebelag (4) sowie einer beide trennenden dielektrischen Schicht, Störkapazitäten zwischen den Signalelektroden zu unterdrücken, wird es monolithisch aufgebaut. Auf den das Dielektricum bildende, aus einer Masse höherer Dielektrizitätskonstante als Block geformte und nach Formung und Lochung gesinterte und geschliffene Träger (1) sind die Elektroden der Kondensatoren aufgebracht, wobei die Masseelektrode (4) die eine der Seitenflächen des Trägers (1), abgesehen von den Stiftdurchführungen (2) der Signalstifte und deren Umgebung, ganzflächig überdeckt, und wobei die Signalelektroden (3) auf der anderen Seitenfläche des Trägers (1) von den Stiftdurchführungen (2) der Signalstifte ausgehende, sich zum Rand des Trägers (1) hin erstreckende, inselförmige Bereiche bilden. Dieses Planarfilter wird vorteilhaft mit einer Stützplatte versehen beispielsweise in auf Platinen aufgelöteten Steckverbindern eingesetzt.

Figure 00000001
In the case of a planar filter with many signal pins guided through a carrier (1), each of which has a capacitor, with a signal layer (3) connected to the signal pin, a ground layer (4) connected to ground and a dielectric layer separating both, interference capacitances To suppress between the signal electrodes, it is built monolithically. The electrodes of the capacitors are applied to the carrier forming the dielectric, formed from a mass of higher dielectric constant as a block and sintered and ground after shaping and perforation, the ground electrode (4) excluding one of the side faces of the carrier (1) of the pin bushings (2) of the signal pins and their surroundings, covered over the entire surface, and the signal electrodes (3) on the other side surface of the carrier (1) starting from the pin bushings (2) of the signal pins, towards the edge of the carrier (1) extending, island-shaped areas. This planar filter is advantageously provided with a support plate, for example in plug connectors which are soldered onto circuit boards.
Figure 00000001
EP99125868A 1999-02-02 1999-12-24 Planar filter Expired - Lifetime EP1028497B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29902505U DE29902505U1 (en) 1999-02-02 1999-02-02 Planar filter
DE29902505U 1999-02-12

Publications (3)

Publication Number Publication Date
EP1028497A2 EP1028497A2 (en) 2000-08-16
EP1028497A3 true EP1028497A3 (en) 2001-08-08
EP1028497B1 EP1028497B1 (en) 2004-11-10

Family

ID=8069299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99125868A Expired - Lifetime EP1028497B1 (en) 1999-02-02 1999-12-24 Planar filter

Country Status (3)

Country Link
EP (1) EP1028497B1 (en)
CA (1) CA2293131C (en)
DE (2) DE29902505U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041286A1 (en) * 2000-04-20 2001-10-31 Mannesmann Vdo Ag Interference suppression device
JP2003531501A (en) 2000-04-20 2003-10-21 シーメンス アクチエンゲゼルシヤフト Interference prevention device
DE10113912B4 (en) * 2001-03-21 2006-09-28 Siemens Ag Electronic device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422268A1 (en) * 1978-04-06 1979-11-02 Eurofarad HF electrical connector with integral capacitor filters - has contact pins with staggered metal plates forming capacitors and overall ceramic enclosure
EP0124264A1 (en) * 1983-03-30 1984-11-07 E.I. Du Pont De Nemours And Company Filter connector
US4741710A (en) * 1986-11-03 1988-05-03 Amphenol Corporation Electrical connector having a monolithic capacitor
EP0299563A1 (en) * 1987-07-14 1989-01-18 Connector Systems Technology N.V. Filter unit for connectors
US5242318A (en) * 1991-06-14 1993-09-07 Filtec Filtertechnologie Fur Die Elektronikindustrie Gmbh Multipole connector for electronic signal lines
EP0690528A2 (en) * 1994-06-27 1996-01-03 General Motors Corporation Filter elements having ferroelectric-ferromagnetic composite materials

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422268A1 (en) * 1978-04-06 1979-11-02 Eurofarad HF electrical connector with integral capacitor filters - has contact pins with staggered metal plates forming capacitors and overall ceramic enclosure
EP0124264A1 (en) * 1983-03-30 1984-11-07 E.I. Du Pont De Nemours And Company Filter connector
US4741710A (en) * 1986-11-03 1988-05-03 Amphenol Corporation Electrical connector having a monolithic capacitor
EP0299563A1 (en) * 1987-07-14 1989-01-18 Connector Systems Technology N.V. Filter unit for connectors
US5242318A (en) * 1991-06-14 1993-09-07 Filtec Filtertechnologie Fur Die Elektronikindustrie Gmbh Multipole connector for electronic signal lines
EP0690528A2 (en) * 1994-06-27 1996-01-03 General Motors Corporation Filter elements having ferroelectric-ferromagnetic composite materials

Also Published As

Publication number Publication date
EP1028497A2 (en) 2000-08-16
EP1028497B1 (en) 2004-11-10
CA2293131C (en) 2008-03-18
CA2293131A1 (en) 2000-08-02
DE29902505U1 (en) 2000-03-23
DE59911042D1 (en) 2004-12-16

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