EP0294433A1 - Gefilterte elektrische vorrichtung und verfahren, um diese herzustellen. - Google Patents
Gefilterte elektrische vorrichtung und verfahren, um diese herzustellen.Info
- Publication number
- EP0294433A1 EP0294433A1 EP88900408A EP88900408A EP0294433A1 EP 0294433 A1 EP0294433 A1 EP 0294433A1 EP 88900408 A EP88900408 A EP 88900408A EP 88900408 A EP88900408 A EP 88900408A EP 0294433 A1 EP0294433 A1 EP 0294433A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact portions
- electrical
- contact
- members
- 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
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
Definitions
- This invention relates to electrical connectors and more particularly to filtered electrical connectors and filtering devices for providing protection against electromagnetic interference and radio frequency interference.
- ESD electrostatic discharges
- EMP electromagnetic pulse
- any filter connector should also in many instances retain substantially the same dimensions as the unfiltered version and should have the same contact arrangement so that either can be connected to an appropriate mating connector.
- the shielding may take several forms. For adequate protection, it is essential, however, that there be no break in continuity of the shielding.
- an external filtering device that is an "add-on" device to provide filtering to an already existing non-filtered connector. This is particularly desirable in instances when the same basic connector may be used in a number of different applications, each requiring filtering of different lines in the connector. It is also desirable that a method be found that will lend itself to automation of the assembly line by robotic devices and the like that will enable filtered connectors to be manufactured on a more cost effective manner.
- an electrical component which can be secured to an electrical article such as an electrical connector, the component being engageable to circuit paths of the article to provide filtering for those circuit paths.
- the electrical component is comprised of a dielectric housing member having a plurality of contact members secured therein and housing a plurality of filter receiving apertures along a first face thereof.
- the contact members have first and second contact portions, the first contac portion being engageable with a corresponding contact portion of said circuit paths of said article.
- the secon contact portions are exposed along a bottom surface of th filter receiving apertures of the housing member.
- Third contact portions, paired with the second contact portion and spaced therefrom, are exposed along the bottom aperture surfaces of the housing member.
- the component further includes a bus means which extends outwardly fro the third contact portion, the bus means being adapted t be engaged by grounding means of the electrical article.
- a plurality of filter members are disposed in respective apertures and electrically joined to respective pairs of second and third contact portions.
- the electrical component of the invention is connected to an associated electrical article by electrically engaging the first contact portions to respective circuit paths of the electrical article and th bus means to a grounding means for the article, the housing member of the component.
- the housing member of the electrical componen is secured to an external surface of the electrical article.
- Figure 1 is a perspective view of the electrical device of the present invention
- Figure 2 is a cross-sectional view taken along line 2-2 of Figure 1 with parts exploded therefrom;
- Figure 3 illustrates the steps in a continuous process for making the device in accordance with the present invention
- Figure 4 is a perspective assembled view of an electrical connector assembly having the device of the present invention attached thereto;
- Figure 5 is an exploded perspective view of the connector assembly of Figure 3;
- Figure 6 is a plan view of a strip of alternative embodiment of contact members
- Figure 7 is a fragmentary perspective view illustrating an alternative embodiment of the device having contact members of Figure 6;
- Figure 8 shows the device of Figure 7 used in an interconnection system between two electrical connectors
- Figure 9 is a perspective view of the assembled electrical connector of Figure 8.
- Figure 10 is a perspective view showing a further alternative embodiment of the device of the invention mounted to an electrical connector;
- Figure 10A is a cross-sectional view of the device of Figure 10;
- Figure 11 shows another alternative embodiment of the device mounted to a printed circuit board
- Figure 11A is a cross-sectional view of the device of Figure 11.
- a filtering device 10 is designed to be used with an electrical article to provide filtering for selected circuit paths of the articles.
- Device or component 10 is comprised of a plurality of contact members 12, a dielectric housing member 40, and filter members 54.
- Contact members 12 have first and second contact portions 14 and 24 respectively.
- First contact portions 14 are engageable with corresponding contact portions of an electrical article.
- First contact portions 14 are secured in the housing member 40.
- Dielectric housing member 40 includes a plurality of filter receiving apertures 48 along a first face 42 thereof.
- Second contact portions 24 are exposed along a bottom surface 50 of respective apertures 48.
- Third contact portions 30 are paired with second contact portions 24 and are spaced therefrom at 28. Third contact portions 30 are also exposed along the bottom surface 50 of respective filter receiving apertures 48.
- Bus means 34 is secured in housing member 40, said bus means 34 extending outwardly from the third contact portion 30 and being adapted to be engaged by grounding means on an electrical article.
- a plurality of filter members 54 are disposed in respective filter receiving apertures 48 of housing member 40 and electrically joined to respective pairs of second contact portions 24 and third contact portions 30.
- Filter members 54 are surface mounted components, such as chip capacitors, resistors, unipolar or bipolar diodes, or the like.
- First contact portions 14 further have connecting means 18 having aperture 20 therein for electrically connecting first contact portion 14 corresponding contact members of an electrical article as explained below.
- electrical device 10 preferably is made in continuous form by stamping and forming a plurality of lead frames 60 in strip 58 of suitable flat stock metal such as copper, phosbronze, or the like as known in the art.
- Strip 58 is first stamped to form first and second carrier strips 62, 66 having a plurality of essentially parallel cross bar members or contact means 70 extending between carrier strips 62, 66 as is shown in Frame A.
- Cross bar members 70 become contact member sections 14, 24 and 30 in the assembled device.
- Carrier strips 62, 66 have apertures 64 and 68 therein which are used for aligning strip 58 in the manufacturing and assembly process. If desired, cross bar members 70 may be plated on the desired contact area.
- Housing members 40 are then insert molded around portions of the stamped members, each housing encompassing the desired number of cross bar members. A plurality of filter receiving apertures 48 are also formed, one aperture 48 being associated with each cross bar member 70 within housing 40.
- housing members 40 are located and molded on strip 58 such that carrier strip 66 becomes bus bar 34 of severed device 10.
- the material used for molding the housings is preferably one that will withstand the temperatures associated with vapor flow soldering techniques.
- One preferred material is polyphenylene sulfide, available from Phillips Petroleum Co. under the trade name Ryton . Other suitable materials are known in the art.
- cross bar members 76 extend completely across apertures 48.
- a portion of cross bar members 70 is removed at 74 to form the three contact portions 14, 24 and 30 of device 10. Concomitantly, a portion of underlying dielectric housing material is als removed. Carrier strip 62 may be removed at the same tim or during a subsequent step. It is to be understood that cross bar members 70 may be separated prior to insert molding, if desired, and that cross bar members 70 betwee adjacent housing members 40 may be severed at this time o when individual devices 10 are severed from the strip. First contact portions 14 are then bent and formed. Lastly, filter members 54 are mounted and preferably soldered in their respective apertures.
- filtered devices 10 can be completely formed on the strip while remaining attached to carrier strip 66.
- the strip of filter device can be rolled onto a reel (not shown) until device 10 is ready to be assembled to an electrical article.
- Individual devices 10 can be severed at 59 from the strip as needed.
- carrier strip 66 become bus bar 34.
- strip 58 may be stamped and formed, rolled on a reel (not shown) , and later formed into electrical devices 10 in accordance with the invention.
- the length of housing member 40 and the number of contact members 12 therein is determined at the time of molding and strip 58 is stamped such that a plurality of differing length housing members 40 can be molded.
- the molding machine can be programmed to index a selected number of cross bar members 70.
- the strip is moved to a stamping station to stamp and form the device of the desired configuration.
- Insertion of the filter members 54 lends itself to pick and place robotic systems.
- the well-defined apertures 48 can be aligned so that the equipment can place filter members 54 between the second and third contact portions 24 and 30 at selected locations.
- Figures 4 and 5 illustrate the use of device 10 with electrical connector 80 comprised of dielectric housing member 82 having a plurality of apertures 84 extending therethrough, a plurality of electrical terminal members 86 disposed in respective apertures 84, and conductive ground shell means 90.
- Terminal members 86 have terminal post sections 88 extending rearwardly of housing member 82.
- Device 10 in accordance with the preferred embodiment, has a generally rectangular housing member 40 having a plurality of filter members 54 preferably extending slightly outwardly from a plurality of filter receiving apertures 48.
- First contact portions 14 are bent at right angles so that device 10 can be mounted to an electrical connector housing 82 with each of the first contact portions 14 engaged with respective terminal posts 88.
- Bus bar 34 extends from the opposite side of the housing and is designed to be engaged with a ground plane of the connector 80.
- filter device 10 is mounted on the surface of the connector housing 82 such that bus bar 34 can be electrically connected to ground shell means 90 by solder.
- Apertures 20 in the first section of contact member 12 engage respective terminal post sections 88 of connector 80 and are soldered thereto. It is to be understood that this electrical connector is merely a representative sample of the types of connector with which this device may be used. It is to be further understood that other pin or socket terminals may also be used.
- Connector 80 as disclosed in Figures 4 and 5 has two rows of terminal members. It is, therefore, necessary to use two electrical devices 10 in accordance with the invention, one device being mounted to each side of connector housing 82, with first contact portions 14 of each device 10 electrically connected to only one row of the terminal posts 88 and respective bus bars 34 soldered to ground shell 90.
- Figures 6 and 7 show an alternative embodiment 158 of stamped metal strip for forming lead frames for device 110.
- the portion of cross bar member 170 that will become first contact portion 114 further includes a slot 122 having an enlarged portion 123 for receiving an insulated wire and a narrower portion 125 for piercing the insulated wire as can best be seen in Figure 7.
- slot 122 is located in first contact portion 114 between aperture 120 which receives terminal posts 88 and housing 140.
- Carrier strip 162 is severed to form bus bar 134, which extends from third contact portion 130.
- device 110 is formed in the same manner as device 10 and is mounted to a connector in the same manner as previously described.
- FIGS 8 to 9 illustrate electrical connector assembly 300 in which filtering device 110 is used as an interconnecting means to interconnect selected lines of a first connector 180 to lines of a second connector 280.
- Connector assembly 300 is comprised of first and second dielectric shell members 301, 302, a first connector 180, filtering devices 110 secured to first connector 180, and a second connector 280. Selected terminal posts 192 of said first connector 180 are interconnected through filtering device 110 to lines 292 of the second connector.
- First connector 180 has the same general structure as connector 80 shown in Figures 4 and 5 and previously described. The difference between connector 80 and 180 is that filtering device 110 contains the lead frame embodiment of Figure 6 wherein the first contact section 114 includes the wire terminating slot 122 as best seen in Figure 7.
- Second connector 280 is comprised of a dielectric housing member 282 having a plurality of passageways 284 therethrough in which are disposed a plurality of terminal members (not shown) .
- the terminal members are terminated to one end from conductor wire members 294 which extend rearwardly of housing member 282.
- first and second connectors 180, 280 By terminating the other ends of wire members 294 in selected insulation displacement slots 122 of the first contact portions, selected lines of first and second connectors 180, 280 can be interconnected.
- first and second connectors 180, 280 are encased in shell members 301, 302.
- shell members 301 and 302 are profiled to accept a modular plug 305 which will mate with connector 280.
- First and second shell members 301, 302 are secured together by means of snap features 311 molded into the shell members. Jack screws 306 are used to attach connector 300 to a complementary connector (not shown) .
- Figure 9 shows the completed compact package containing the two connectors and a modular plug 305 connected to cable 307 inserted into back 308 of connector assembly 300.
- Connector assembly 300 provides a relatively compact package and means for filtering an existing connector and for selectively filtering the interconnection between two connectors while maintaining the mating configuration of both connectors.
- FIGS 10 and 10A illustrate another connector 380, in this instance a modular jack, having alternative embodiment 210 of the filtering device of the present invention mounted to the back thereof.
- first contact sections 214 are spring loaded against corresponding terminal members (not shown) of connector 380.
- the terminal members lie within respective passageways 384 in connector housing 382.
- adjacent apertures 248 having filter members 254 therein are staggered in housing member 240.
- Grounding of filter device 210 is achieved through ground leg members 98 which extend from the lower end of device 210 and engage circuit conductors on circuit board 99 as can best be seen in the cross-sectional view of Figure 10A.
- FIGS 11 and 11A show a filter device 310 made in accordance with the invention for mounting directly to a circuit board 101 wherein the first contact sections 312 engage apertures 103 in the circuit board 101, apertures 103 being electrically connected to a circuit path 105 with which a further electrical connector may be engaged.
- Filter members 354 are placed in staggered apertures 348 owing to space limitations.
- the bus bar in this device is also connected to ground through leads 107 as shown in Figure 11.
- the electrical connectors used with the present device are representative samples only. It is to be further understood that frame and shape and types of connectors with which this device may be used are numerous. By filtering electrical connectors with an externally mounted filtering device, it is possible to selectively filter lines by omitting filter members from the various apertures. This allows the same basic connector to be filtered readily, in a variety of configurations and in a cost-effective manner. By making a filtered device in accordance with this manner, the filtering device lends itself to cost-effective manufacturing process which includes automatic equipment such as pick and place robots. Lead frame technology and insert molding lend themselves to continued automated manufacturing process which minimizes handling of the device as well as time and labor. The device uses small filtered capacitors, transient suppression diodes.
- resistors or other components that are designed to be in parallel with the circuit, between pin and ground.
- the components used for any one connector need not be identical and selected frequencies may be controlled by placing filter devices of varying capabilities at selected locations.
- the filter device of the present invention is designed for filtering in the lower frequency ranges, preferably not to exceed 500 megahertz.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94647686A | 1986-12-24 | 1986-12-24 | |
US946476 | 1986-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0294433A1 true EP0294433A1 (de) | 1988-12-14 |
EP0294433B1 EP0294433B1 (de) | 1993-03-10 |
Family
ID=25484522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88900408A Expired - Lifetime EP0294433B1 (de) | 1986-12-24 | 1987-11-27 | Gefilterte elektrische vorrichtung und verfahren, um diese herzustellen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0294433B1 (de) |
JP (1) | JP2585777B2 (de) |
DE (1) | DE3784711T2 (de) |
WO (1) | WO1988005218A1 (de) |
Families Citing this family (63)
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US4930200A (en) * | 1989-07-28 | 1990-06-05 | Thomas & Betts Corporation | Method of making an electrical filter connector |
US4992061A (en) * | 1989-07-28 | 1991-02-12 | Thomas & Betts Corporation | Electrical filter connector |
US5018989A (en) * | 1990-09-21 | 1991-05-28 | Amp Incorporated | Electrical connector containing components and method of making same |
US5280257A (en) * | 1992-06-30 | 1994-01-18 | The Whitaker Corporation | Filter insert for connectors and cable |
US5702258A (en) * | 1996-03-28 | 1997-12-30 | Teradyne, Inc. | Electrical connector assembled from wafers |
US5830016A (en) * | 1997-01-29 | 1998-11-03 | Chuang; Johnson | Interference-proof device for electric connector |
DE20014791U1 (de) * | 2000-08-26 | 2001-10-04 | Filtec Filtertechnologie für die Elektronikindustrie GmbH, 59557 Lippstadt | Mehrpoliger Steckverbinder für elektronische Signalleitungen |
US7285018B2 (en) | 2004-06-23 | 2007-10-23 | Amphenol Corporation | Electrical connector incorporating passive circuit elements |
US20090291593A1 (en) | 2005-06-30 | 2009-11-26 | Prescott Atkinson | High frequency broadside-coupled electrical connector |
US9028281B2 (en) | 2009-11-13 | 2015-05-12 | Amphenol Corporation | High performance, small form factor connector |
US8771016B2 (en) | 2010-02-24 | 2014-07-08 | Amphenol Corporation | High bandwidth connector |
WO2011140438A2 (en) | 2010-05-07 | 2011-11-10 | Amphenol Corporation | High performance cable connector |
US20110287663A1 (en) | 2010-05-21 | 2011-11-24 | Gailus Mark W | Electrical connector incorporating circuit elements |
US8382524B2 (en) | 2010-05-21 | 2013-02-26 | Amphenol Corporation | Electrical connector having thick film layers |
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US10243304B2 (en) | 2016-08-23 | 2019-03-26 | Amphenol Corporation | Connector configurable for high performance |
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WO2019084717A1 (en) | 2017-10-30 | 2019-05-09 | Amphenol Fci Asia Pte Ltd | Low crosstalk card edge connector |
US10601181B2 (en) | 2017-12-01 | 2020-03-24 | Amphenol East Asia Ltd. | Compact electrical connector |
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US11381015B2 (en) | 2018-12-21 | 2022-07-05 | Amphenol East Asia Ltd. | Robust, miniaturized card edge connector |
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US11437762B2 (en) | 2019-02-22 | 2022-09-06 | Amphenol Corporation | High performance cable connector assembly |
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US11799230B2 (en) | 2019-11-06 | 2023-10-24 | Amphenol East Asia Ltd. | High-frequency electrical connector with in interlocking segments |
US11588277B2 (en) | 2019-11-06 | 2023-02-21 | Amphenol East Asia Ltd. | High-frequency electrical connector with lossy member |
US11469554B2 (en) | 2020-01-27 | 2022-10-11 | Fci Usa Llc | High speed, high density direct mate orthogonal connector |
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CN113258325A (zh) | 2020-01-28 | 2021-08-13 | 富加宜(美国)有限责任公司 | 高频中板连接器 |
TW202220305A (zh) | 2020-03-13 | 2022-05-16 | 大陸商安費諾商用電子產品(成都)有限公司 | 加強部件、電連接器、電路板總成及絕緣本體 |
US11728585B2 (en) | 2020-06-17 | 2023-08-15 | Amphenol East Asia Ltd. | Compact electrical connector with shell bounding spaces for receiving mating protrusions |
US11831092B2 (en) | 2020-07-28 | 2023-11-28 | Amphenol East Asia Ltd. | Compact electrical connector |
US11652307B2 (en) | 2020-08-20 | 2023-05-16 | Amphenol East Asia Electronic Technology (Shenzhen) Co., Ltd. | High speed connector |
CN212874843U (zh) | 2020-08-31 | 2021-04-02 | 安费诺商用电子产品(成都)有限公司 | 电连接器 |
CN215816516U (zh) | 2020-09-22 | 2022-02-11 | 安费诺商用电子产品(成都)有限公司 | 电连接器 |
CN213636403U (zh) | 2020-09-25 | 2021-07-06 | 安费诺商用电子产品(成都)有限公司 | 电连接器 |
US11569613B2 (en) | 2021-04-19 | 2023-01-31 | Amphenol East Asia Ltd. | Electrical connector having symmetrical docking holes |
USD1002553S1 (en) | 2021-11-03 | 2023-10-24 | Amphenol Corporation | Gasket for connector |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580866A (en) * | 1983-04-27 | 1986-04-08 | Topocon, Inc. | Electrical connector assembly having electromagnetic interference filter |
US4600256A (en) * | 1984-12-31 | 1986-07-15 | Motorola, Inc. | Condensed profile electrical connector |
EP0211508B1 (de) * | 1985-07-26 | 1991-05-02 | Amp Incorporated | Übergangsspannungsunterdrückungseinrichtung |
DE3528498A1 (de) * | 1985-08-08 | 1987-02-19 | Albatron Elektronik Gmbh | Steckverbinder |
-
1987
- 1987-11-27 EP EP88900408A patent/EP0294433B1/de not_active Expired - Lifetime
- 1987-11-27 DE DE19873784711 patent/DE3784711T2/de not_active Expired - Lifetime
- 1987-11-27 WO PCT/US1987/003076 patent/WO1988005218A1/en active IP Right Grant
- 1987-11-27 JP JP63500658A patent/JP2585777B2/ja not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO8805218A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1988005218A1 (en) | 1988-07-14 |
JPH01501983A (ja) | 1989-07-06 |
DE3784711T2 (de) | 1993-09-30 |
EP0294433B1 (de) | 1993-03-10 |
JP2585777B2 (ja) | 1997-02-26 |
DE3784711D1 (de) | 1993-04-15 |
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