CN1149716C - High performance card edge connector - Google Patents
High performance card edge connector Download PDFInfo
- Publication number
- CN1149716C CN1149716C CNB991106288A CN99110628A CN1149716C CN 1149716 C CN1149716 C CN 1149716C CN B991106288 A CNB991106288 A CN B991106288A CN 99110628 A CN99110628 A CN 99110628A CN 1149716 C CN1149716 C CN 1149716C
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- terminal
- contact
- card
- signal
- edge connector
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
To provide a small connector having low inductance and high circuit density by providing a reference terminal with two separated reference terminal spring arms and at least two circuit board contacts, providing a signal terminal with a signal terminal spring arm and a circuit board contact and arranging the two reference terminal spring arms on both sides of a slot and in the other cavity. A reference terminal 60 is provided with a rectangular, flat plate-like body 64 having retaining arms 66 extending upward on both its ends. A pair of separated circuit board contacts 72 extend downward from the body 64. These contacts are received in a plated through conductive region of a circuit board and connect the reference terminal 60 to the circuit board. Low inductance is provided by using the two separated circuit board contacts 72 for the single reference terminal 60. A pair of opposite spring arms 74 extend upward from the body 64. The spring arms 74 each include a flexible beam comprising a vertical part 76 and an inwardly slanting part 78.
Description
The present invention relates to the use in printed circuit board electric connector, be specifically related to be used for demountable mode with circuit card be connected to improvement on the circuit board card edge connector.
Adopted device such as the computer on the printed circuit board (PCB), their current densities increases day by day, and the frequency of work is also increasing.For example, the speed that high-frequency digital signal is propagated between memory module print card dense on computer motherboard and the associated circuit board is more and more higher.But this development trend is an electric connector has proposed problem as being used for removal ground with the edge card connector that circuit card is installed on the circuit board.
Along with the increase of current densities, electric connector and the electric terminal that comprises thereof become less.But such terminal must have enough flexibilities and intensity, and the circuit card that inserts this connector together contacts reliably.
In addition, preferably make the circuit impedance that electric terminal provided of edge card connector remain to very little.Simultaneously, must remain to minimum to inductance, carefully control capacitance also must reduce to the cross-talk between unlike signal minimum.These usually are that inconsistent purpose is that the design of connector and terminal has brought many solutions and obtained success in various degree.
For example United States Patent (USP) 5161987 disclosed electric connectors have the earth bus with a plurality of solder tauls.Each side at this earth bus is provided with a row signal contact.
In this simultaneously, United States Patent (USP) 5162002 discloses a kind of card edge connector, and the terminal of lapping has short and long contact spare on its space.This connector has some important advantages and the card insertion force that can reduce peak value, but then can not make the electrical property optimization for the digital signal of higher speed.
United States Patent (USP) 5192220 discloses a kind of two socket of reading, and has wherein reduced cross-talk by the distance that increases between the connector.This method can not reach the purpose that improves current densities.
United States Patent (USP) 5259768 discloses a kind of electric connector, and the surface area of the earth terminal that it had is significantly greater than signal terminal.This earth terminal and signal terminal are staggered, and the screen effect of this earth terminal has reduced cross-talk.Earth terminal has solder taul and ground connection bearing, can reduce impedance prevailingly, and the impedance of special requirement is provided by the short-term selected size of no function meaning.
United States Patent (USP) 5259793 discloses a kind of edge connector, and its terminal is lined up staggered array along the circuit card slot.Owing to this staggered array has reduced current densities.
United States Patent (USP) 5309630 discloses a kind of electric connector, and wherein required impedance is can be corresponding to required impedance by selecting terminal to make its anchoring section branch that has get size.Signal terminal and earth terminal can interlock, and are that earth terminal is provided with two bearings and reduces impedance at least.
United States Patent (USP) 5580257 discloses a kind of connector, and the earth terminal that has wherein strengthened is with paired signal terminal adjacent to reduce cross-talk.Although this its advantage that is furnished with needs to form three kinds of different terminal shapes, it then is complicated in the connector casing that such terminal is assembled to.
Although above-mentioned and many otherwise effort have been arranged, but still needed such card edge connector for a long time, it can make with rational cost, solid, reliable, and has very high current densities, and can work well in high-speed digital circuit.
One object of the present invention is to provide the card edge connector that has improved.Other purpose then is: provide to have the connector that can realize the low inductance of anti-coupling with relevant circuit unit; Be provided at the connector that has minimum cross-talk between signal circuit; Connector with high current densities is provided; Provide solid but small-sized electricity to connect device; Provide energy cheap mechanical performance and the reliable connector of electrical property of making and assembling; And the improvement that overcome used connector shortcoming in the past is provided card edge connector.
According to the present invention, provide the card edge connector of the edges matched that is used for admitting circuit card with a plurality of contact mats.This edge card connector comprises elongated insulation case, the elongated card slot that the latter has roof and diapire and be used for admitting edges matched among roof.Many paired parallel and terminal receiving compartments of closely separating are arranged in the casing, and they are with respect to crossing the also horizontal expansion of above-mentioned groove.Each right chamber includes at least one signal terminal and is used for transmitting high-frequency digital signal, and another chamber of each centering then comprises at least one reference terminal and is used for transmitting ground connection or power signal.Each signal terminal comprises that one remains on a signal end daughter and the signal terminal card contact among the casing, and this contact comprises from upwardly extending signal terminal flexible beam of above-mentioned terminal body and the signal terminal contact zone described groove.Each reference terminal comprises and remains in the described casing and the reference edge daughter of overlapping this signal end daughter, also comprise a reference terminal card contact, this contact comprises from upwardly extending reference terminal flexible beam of signal end daughter and the reference terminal contact zone described groove.
The present invention's purpose and advantage with other above-mentioned with it can obtain fabulous understanding from the following detailed description that the most preferred embodiment of the present invention of setting forth the accompanying drawing is done, in the accompanying drawings:
Fig. 1 is the isometrical drawing of printed circuit-board assembly, and this assembly comprises and is installed on the circuit board and can be connected to imbody card edge connector of the present invention on this circuit board to demountable circuit card;
Fig. 2 is the end view of one of card edge connector among Fig. 1;
Fig. 3 is along the amplification vertical cross section of the casing of the card edge connector of 3-3 line intercepting among Fig. 2, shows the terminal receiving compartment of understanding before being installed in the casing to terminal simultaneously;
Fig. 4 is and the similar profile of Fig. 3 to show and understand the reference terminal that is installed in the terminal receiving compartment;
Fig. 5 is and the similar profile of Fig. 3 to show and understand the signal terminal that is installed in the terminal receiving compartment;
Fig. 6 is an isometrical drawing, shows and understands reference terminal and the adjacent situation of paired signal terminal in being installed to the casing of card edge connector, but wherein the casing of connector is removed for manifesting terminal;
Fig. 7 is an end view, shows that a pair of Signal Terminal of understanding before the reference terminal is installed on the situation in the casing of card edge connector, but the casing of connector is removed for appearing terminal;
Fig. 8 is the local figure of the side-looking of the print card edge part of card edge connector cooperation therewith;
Fig. 9 is the top partial plan layout that the circuit board part of this edge-punched card has been installed, and wherein has additional reference line and helps illustrate the present invention.
Most preferred embodiment of the present invention is described in detail in detail below.
Referring to accompanying drawing, show among Fig. 1 bright totally with 10 circuit units of indicating comprise three according to principle of the invention body plan respectively with 12 card edge connectors of generally indicating.Circuit unit 10 comprises printed circuit board (PCB) 14, for example the computer motherboard.Card edge connector 12 is installed on the circuit board 14, but and removal admitting print card 16, for example can be used for the memory module that has random access memory on the motherboard 14.This card edge connector provides circuit path, makes the signal of power, ground connection and numeral etc. can be in circuit board 14 and 16 transmission of circuit card.
The appropriate configuration of circuit card 16 and circuit board 14 is shown in Fig. 8 and 9.The card 16 that is shown among Fig. 8 with its part comprises the edge 18 that cooperates with card edge connector 12.Along matched edges 18 in card 16 two relatively the surface be provided with a row conductive contact pad 20.On the card 16 and/or among conductive trace the passage to the power, ground connection and the signal that are installed on the parts (not showing bright) on the card 16 of drawing from contact mat 20 is provided.
The part of circuit board 14 is shown in Fig. 9.The upper surface 22 of this plate comprises the array that conduction region 24 forms.In the embodiment shown, conduction region 24 is through holes of electroplating.Other structural form for example also can be that the conductive pad that is welded to connect that is used for mounted on surface also is possible.On the circuit board 14 and/or among circuit trace passage from conduction region 24 to the power, ground connection and the signal that are installed on the miscellaneous part (not showing bright) on the circuit board then is provided.When card edge connector 12 is installed on the circuit board 14 and when circuit card 16 inserted in the card edge connectors 12, connector 12 just provided circuit path between contact chip 20 and conduction region 22.
Shown in Fig. 2 and 3, card edge connector 12 comprises by insulating material, for example the elongated casing 26 made of the molded high temperature thermoplastic of liquid crystal polymer plastics and so on.This casing has roof 28, sidewall 32 that diapire 30 is relative with two.The matched edges 18 that elongated card slot 34 in the roof 28 is admitted the card 16 that inserts.At the two ends of casing 26 casing newel post 36 and breech lock 38 can be set.Diapire 30 comprises that the projection 40 of being far apart is to keep a space between the top surface 22 (Fig. 1) of diapire 30 and circuit board 14.Casting die 42 is known in this technology, can be used for casing 26 mechanically is attached on the circuit board 14.
Be provided with many terminal receiving compartments 44 (Fig. 3 and 4) and 46 (Fig. 5) in the casing 26.In most preferred embodiment of the present invention, can have more than 50 the chamber 44 and the chamber 46 of similar number.Each chamber 44 all is close to a chamber 46, and in most preferred embodiment of the present invention, chamber 44 and 46 length positioned alternate along casing 46.
Chamber 44 and 46, and is extended between two side 32 perpendicular to groove 34 separately and along laterally by the dividing plate of inside or spacing body 48.Two opposite sides of groove 34 are intersected and extend in chamber 44 and 46.Stop surfaces 50 is arranged at the bottom of groove 34, and it partly keeps wall 56 to be determined by spacing body 48 and by spacing body 54 in terminal retention tab 52, the chamber 44 and the terminal in the chamber 46.Spacing body 48 connects to downward partition 54 by the stop surfaces 50 from groove 34 slightly across chamber 44.On the other hand, spacing body 48 is extended down to the both sides of terminal maintenance wall 5 connection chambers 46 that reach casing 26 bottoms basically for 50 times by the stop surfaces from groove 34.The sidewall of groove 34 is determined by the inward flange of the pectination top 48a of spacing body 48.Chamber 44 and 46 bottom have opposed inside wall 58.All there is the unlimited end in chamber 44 and 46, and terminal can insert in the chamber by this end of opening wide.
Reference terminal 60 is installed in the chamber 44." reference terminal " speech is defined herein as a kind of like this terminal, and it can provide ground connection or power to connect between circuit board 14 and circuit card 16." signal terminal " 62 is defined herein as such terminal, and it can provide to be used for transmitting between circuit board 14 and circuit card 16 and exchange (ac) signal, is typically the circuit path of high-speed digital signal.
In this most preferred embodiment, all reference terminals 60 are consistent with each other fully, and all signal terminals 62 are also consistent with each other fully.Terminal 60 and 62 is thickness even metal platysomes, is preferably become by the punching press of metal sheet stock and without any other shaping or buckling work.Like this, compare, more effective manufacturing operation and more solid and more reliable terminal can be provided with electrical connector with terminal of making by punching press and shaping.Terminal 60 and 62 the most handy phosphor-coppers are stamped to form, and are zinc-plated and plumbous on nickel, and electrically contacting in the district gold-platedly selectively, also can adopt other alloy or electric conducting material certainly.
Can see that in Fig. 4 a reference terminal 60 is arranged in a chamber 44.Terminal 60 comprises the plane tabular body 64 of essentially rectangular, the keeping arm 66 that the latter prolongs on two ends have.Arm 66 has barb 68, can hook together with madial wall 58, can stop terminal 60 to be withdrawn from the back terminal 60 is packed chamber 44 into by diapire 30 in.Being inserted with of terminal may be closed or the touching to close and be restricted of the center span portion 70 of plate body 64 and partition 54 by arm 66 and touching of projection 52.Reference terminal 60 extends to the overall with in chamber 44 and is stretched over the both sides of groove 34.
Extend a pair of plate contact 72 that separates mutually downwards from plate-like piece 64.These contacts are received into the straight-through conduction region 24 of plating of circuit board 14, so that terminal 60 is connected on the circuit board.The conduction region 24 that is connected on the reference terminal 60 is under the reference voltage or power supply potential of ground connection.Importantly, the connection to reference voltage must be low-impedance.Single reference terminal 60 is used two plate contacts that separate to form redundant circuit path arranged side by side and low inductance.
Extend upward a pair of relative spring arm 74 from plate body 64.The flexible beam 76 that each spring arm 74 comprises has the vertical component effect 76 and the portion 78 that slopes inwardly.The end of spring arm 74 comprises big portion's section 80, and the latter determines a lead-in surface 82 and a contact zone 84.When in 18 insertion grooves 34 of the matched edges of circuit card 16, relative pair of conductive pad 20 enters in each chamber 44.The relative lead of matched edges 18 and lead-in surface 82 engages, and spring arm 74 is flexibly deflection or separately then.When card 16 inserted fully, contact zone 84 was finished from the circuit path of 60 pairs of relative a pair of pads 20 of terminal with pad 20 combinations.Like this, between circuit board 14 and circuit card 16, formed redundant passage.
With reference now to Fig. 5,, a pair of signal terminal 62 that separates mutually is installed in each chamber 46.Be applied to right discrete signal terminal 62 rather than single terminal such as reference terminal 60, can obtain high current densities.Each signal terminal 62 comprises the plane tabular body 86 of essentially rectangular, and the latter has upwardly extending keeping arm 88 at its two ends.These two arms 88 respectively have barb 90 terminal 62 can be remained in the chamber 46.In the outer end of plate body 86, arm 88 and barb 90 hook together on the madial wall 58.In the inner of body 86, arm 88 hooks together the opposite side that keeps wall 56 with barb 90.The insertion of terminal is then touched by arm 66 and is closed projection 52 and be restricted.
The body 86 of each terminal 62 extends a plate contact 92 downwards from chamber 46.These contacts 92 are received in the straight-through conduction region 24 of plating electricity of circuit board 14 so that terminal 62 is connected with circuit board 14.The conduction region 24 that is connected to signal terminal 62 is used for transmitting ac signal such as high-frequency digital signal between circuit board 14 and circuit card 16.Plate contact 92 is opened reference edge daughter board contact 72 by staggered configuration along lateral run-out.
Extend upward spring arm 94 from each plate body 69.The flexible beam that each spring arm 94 comprises has a vertical component effect 96 and a portion 98 that slopes inwardly.The end of spring arm 94 comprises lead-in surface 100 and contact zone 102.The signal terminal 62 of two unanimities is loaded on the opposite side in chamber 46 according to mutual relative reverse position.Two terminals 62 are on the opposite side of groove 34, and because this inverted orientation, these two relative spring arms 94 are mutual relative tilt on the opposite side of groove 34.
When in 18 insertion grooves 34 of the matched edges of circuit card 16, relative pair of conductive pad 20 enters in each chamber 46.This matched edges 18 are in conjunction with relative lead-in surface 100, and spring arm 94 is flexibly deflection or separately then.When card 16 inserts fully, contact zone 102 combines with pad 20, finishes the circuit path from terminal 62 to relative a pair of pad 20.Using two different terminals 62 in each chamber 46 allows in the two opposite sides of circuit card 16 relative contact mat 20 to be done independently signal connection.
Because each signal terminal chamber 46 is being close to one of reference terminal chamber 44, connector 12 of the present invention just includes numerous terminal group, and their are unified indicates with 104, and each group comprises solid matter and reference interface and signal terminal 60 and 62.One of these many terminal group 104 are shown in Fig. 6 and 7, and casing 26 has been removed to show the major part structure of this terminal group.In this best form of implementation of the present invention, each group 104 comprises single reference terminal 60 and relative a pair of signal terminal 62, is included in two references and two signal terminals or a reference and a signal terminal are arranged in each group but principle of the present invention also can be used for other arrangement forms.In this most preferred embodiment, reference terminal chamber 44 is interlaced with signal terminal chamber 46, but also desirable other configurations for example have two adjacent signal terminal chambeies 44 between each is to the reference terminal chamber.
Shown in Fig. 6 and 7, in each terminal group 104, reference terminal 60 abreast near this to signal terminal 62.This reference terminal 60 substantially completely overlaps or is shielding signal terminal 62.Reference edge daughter 64 complete overlapped signal terminal body 86.Reference edge daughter 64 greater than with exceed signal end daughter 86, this be since be provided with center span portion 70 simultaneously since body 64 on the base of plate contact 72, extend downwards, as shown in Figure 7.Keeping arm 88 is overlapping by keeping arm 66 and span portion 70 in the signal terminal.Signal terminal contact beam 74 is overlapping for reference terminal contacts beam 94, exception be little contact zone 102.This structure makes the coupling of 62 pairs of reference terminals 60 of signal terminal maximum and make cross-talk minimum between signalling channel.Reference terminal 60 reduced inductive impedance than macrostructure.
The increasing portion section 70 of reference terminal contact arm 74 provides the big surface region of overlapping bit signal terminal contact arm 94 ends.Because these sections are needed greater than the traditional mechanics and the electrical functions of contact arm 74, and these sections are defined as " overdimensioned ".This overdimensioned section 80 provides several critical functions.They have improved the coupling of signal terminal 62 and the remarkable quality of enlarged portion sub-function not, can not hinder relevant mechanical work simultaneously.They also provide solid and reliable card to introduce the district.In the symmetric array at place, circuit card 16 both sides, use numerous this reference terminals 60 that all has the oversized portion section, can increase barrier the circuit on the circuit card both sides.
Another advantage of oversized portion section 80 is that the size of portion's section 80 can change the work of regulating the terminal impedance and not disturbing terminal.This section can only extend to as reducing its length with the 1 06 dotted line places of being indicated among Fig. 6 by making them.The impedance that terminal has of Xing Chenging will be different from the impedance shown in the big portion section 80 like this.Although it is correspondingly varying sized that other sections of this terminal may need be done, These characteristics can make terminal be fit to or cater to specific impedance requirements and do not influence the mechanical function of terminal.
Clearly show that as Fig. 7 the reference terminal contact is the height than signal terminal contact zone 84 in 102 present positions.When in 18 insertion grooves 34 of the matched edges of circuit card 16, it at first contacts with reference terminal contact arm 74, and lead-in surface 82 is reacted, and makes arm 74 flexibly deflection or separation.Then, these card matched edges 18 contact with signal terminal lead-in surface 100, deflection simultaneously or separation signal termination contact arm 94.Owing to separated such two contact marriage relations, reduced the peak value insertion force.
Card edge connector 12 of the present invention provides a kind of favourable circuit path array between circuit board 14 and terminal 60 and 62.Fig. 9 shows that the circuit board 14 of bright part has provided the array of electroplating clear opening conduction region 24, and plate contact 72 and 92 then extends by such conduction region.Datum line 108 is equal to the vertical center line of this array, and is consistent with the vertical center line of groove 34 and vertical mutually with the center of the circuit card 16 that inserts.The important feature of this circuit path array is that its all circuit are all with respect to these center line 108 symmetries.
Conduction region 24 with insert wherein plate contact 72 and 92 and be positioned at all on 4 lines parallel, two interior lines 110 and 112, and two outside lines 114 and 116 with center line 108.Interior lines 110 and 112 are than outside line 114 and 116 more close center lines 108.In this most preferred embodiment, line 110,112,114 and 116 uniformly-spaced separates, but whenever necessary, line 110 and 112 can separate fartherly but still keep with respect to center line 108 symmetries.
The interior lines 110 of conduction region 24 and 112 contacts of admitting the terminal of single type, the contact of another types of terminals is then only admitted in outside line 114 and 116.Shown in arrangement form in, the interior lines 110 of through hole 24 and 112 admit reference edge daughter board contacts 72, and outside line 114 and 116 admit signal end daughter board contacts 92.
Each reference edge daughter board contact 72 also separates the distance that equates with respect to center line 108 along lateral alignment in the same manner with another reference terminal contact 72.Horizontal line 118 and two contacts 72 intersect and have illustrated above-mentioned relation.Each signal terminal contact 92 also similarly also separates the distance that equates with respect to center line 108 along lateral alignment with another reference terminal contact 92.Another horizontal line 120 and two contacts 92 intersect and have illustrated this relation.
The formed circuit path array according to the present invention is compared with traditional asymmetrical gate array, helps to lay efficiently on circuit board 14 conductive trace.In addition, this symmetric array is the feature that can simplify the terminal configuration of connector manufacturing and assembling.
In this most preferred embodiment of the present invention, plate contact 72 and 92 is the welding leads that are welded on the electroplating ventilating hole 24 of circuit board 14.The plate contact of other types also is to adopt as surface mounting base, has also kept advantage of the present invention simultaneously.In addition, for some application, can utilize just plate contact for reference terminal 60.
Although above with reference to the accompanying drawings shown in the embodiment of the invention describe the present invention in detail, these details are not to be used for limiting claim of the present invention that the appended claim book applied for.
Claims (16)
1. card edge connector (12) is used for admitting the matched edges (18) of the circuit card (16) with a plurality of contact mats (20) and being used for being installed on the circuit board (14) with a plurality of conduction regions (24), and this card edge connector comprises:
Elongated insulation case (26), it has the elongated card slot (34) that is used for admitting described matched edges;
The many paired terminal receiving compartments (44,46) that closely separate in said machine casing, these chambeies and described groove intersect and with respect to described groove horizontal expansion, and described chamber is definite by the partition wall (48) that extends between the two side (32) of said machine casing;
A chamber (46) of one of above-mentioned these centerings comprises a pair of signal terminal that is roughly plane (62) on the opposite side of described card slot, in order to conducted signal, the tabular reference terminal (60) that another chamber (44) of one of described centering then comprises a general plane type is used for transmitting ground connection/power supply signal, described this is on the common plane signal terminal, this common plane is roughly parallel to the plane of described reference terminal
Each described signal terminal comprises: signal end daughter (86); Signal terminal spring wall (94), it has from the extended signal terminal flexible cantilever beam of described terminal body, and signal terminal contact zone (102) are located in the described groove to contact with one of described contact mat on the described circuit card; And be used for the plate contact (92) of one of described conduction region contact with described circuit board;
Described reference terminal comprises: reference edge daughter (64); Two reference terminal spring arms (74) that separate, respectively have one from then on the extended reference terminal flexible cantilever beam of terminal body be located at described groove in be used for the reference terminal contact zone (84) that contacts with one of contact mat on the described circuit card, and two plate contacts (72) that are used for the contact of the conduction region of described circuit board, described two reference terminal spring arms then are located at described another chamber in, still are on the opposite side of described groove.
2. card edge connector according to claim 1, overlapping described two the signal terminal flexible beams of wherein said two reference terminal flexible beams.
3. the described card edge connector of claim 1, wherein said each terminal are included in a pair of maintenance on its relative edge with barb (68,90), make described terminal be press-fit into and remain in its corresponding terminal receiving compartment.
4. the described card edge connector of claim 1, wherein each described terminal receiving compartment (46) has roughly from described card slot and extends to roughly median wall (56) with basal surface (30) adjacent of described casing, and described another chamber (44) then comprises the next-door neighbour and is in stop (52) under the described card slot.
5. the described card edge connector of claim 1, wherein this in a described chamber is identical to the signal terminal structure, but installs by opposed orientation.
6. the described card edge connector of claim 1, wherein said reference terminal are crossed over described groove and are extended along two relative directions from described groove.
7. the described card border edge joint of claim 6 device, two described signal end daughters in the folded described chamber of wherein said reference terminal body weight, and this one of them the described signal terminal flexible beam in the overlapping described chamber of each described reference terminal flexible beam to signal terminal.
8. the described card edge connector of claim 1, wherein each described conduction region is the through hole that is coated with conductive layer, and each described plate contact is a solder taul, the latter's size can be inserted in the through hole of one of them described conductive coating.
9. card edge connector (12) is used for admitting the matched edges (18) of the circuit card (16) with a plurality of contact mats (20) and being used to be installed to the circuit board (14) with a plurality of conduction regions (24), and this card edge connector comprises:
Elongated insulation case (26) with the elongated card slot (34) that is used to admit above-mentioned matched edges;
Many paired terminal receiving compartments (44 that closely separate in said machine casing, 46), these chambeies and described groove intersect and with respect to above-mentioned groove horizontal expansion, and described chamber is limited by the partition wall (48) that extends between the sidewall (32) of described casing, and the distance between the sidewall of described casing is corresponding to the width in described chamber;
The signal terminal (62) that in a chamber (46) of one of above-mentioned centering, includes a pair of one-tenth mirror image that is used for transmitting signal, one of them signal terminal is positioned at a side of described groove and is provided with shoulder to shoulder with another signal terminal, another chamber (44) of one of above-mentioned centering then comprises the tabular reference terminal of general plane (60), and this reference terminal extends across the whole width in above-mentioned another chamber basically;
Each described signal terminal (62) comprising: signal end daughter (86); Signal terminal spring arm (94), it has the extended signal terminal flexible cantilever beam of terminal body from then on and is arranged in described groove and is used for the signal terminal contact zone (102) that contacts with one of described the above contact mat of circuit card; And be used for the plate contact (92) of one of above-mentioned conduction region contact with described circuit board;
Above-mentioned reference terminal comprises: reference edge daughter (64); Two reference terminal spring arms (74) that separate, respectively have from the extended reference terminal flexible cantilever beam of above-mentioned terminal body be arranged in above-mentioned groove and be used for the reference terminal contact zone (84) that contacts with one of contact mat on the described circuit card; And being used for the plate contact (72) of one of conduction region contact with described circuit board, aforesaid reference terminal spring arm then is located on the opposite side of described groove.
10. the described card edge connector of claim 9, overlapping described two the signal terminal flexible beams of wherein said two reference terminal flexible beams.
11. the described card edge connector of claim 9, wherein said each terminal are included in a pair of maintenance on its relative edge with barb (68,90), with so that described terminal be press-fit into and remain in its corresponding terminal receiving compartment.
12. the described card edge connector of claim 9, wherein each described terminal receiving compartment (46) has roughly from described card slot and extends to roughly median wall (56) with the basal surface adjacent of described casing, and described another chamber (44) then comprises the next-door neighbour and is in stop (52) under the described card slot.
13. the described card edge connector of claim 9, wherein each described conduction region is the through hole that is coated with conductive layer, and each described plate contact is a solder taul, is fit to insert and remain in the through hole of one of them described conductive coating.
14. card edge connector (12), be used to admit the matched edges (18) of a circuit card (16), and this card has a plurality of contact mats (20) with contiguous place, described matched edges on its apparent surface, be used for simultaneously being installed on the circuit board (14) of many conductive coating through holes (24), this card edge connector comprises:
Elongated insulation case (26), it has and is used for when this connector is installed on the foregoing circuit plate roughly the diapire of the described circuit board of closing (30) and has the roof (28) of elongated slot (34) to be used for admitting described circuit card matched edges;
A plurality of paired terminal receiving compartments (44,46) that closely separate in said machine casing, these chambeies extend laterally to two examples of described groove and intersect with described groove, and described chamber is limited by the partition wall (48) that extends between the sidewall (32) of this casing;
Be used for transmitting the signal terminal (62) of a pair of one-tenth mirror image of signal in a chamber (46) of each described paired terminal receiving compartment, this is located at a side of described groove to one of them signal terminal that becomes mirror image and with this another signal terminal that becomes mirror image is provided with shoulder to shoulder;
Then have the tabular reference terminal of general plane (60) to be used for conducting ground connection or power signal in another chamber (44) of each described paired terminal receiving compartment, described reference terminal roughly is symmetric form and extends across the whole width in described another chamber basically;
Each become the signal terminal of the described centering of mirror image comprise roughly rectangular signal end daughter (86), be used for described signal terminal remain in barb keeping arm (88) in its corresponding receiving compartment, from the extended signal terminal flexible cantilever beam of described terminal body, be located at the signal terminal contact zone (102) that is used for the described groove with the contact of one of contact mat on the described circuit card, and the solder taul (92) that extends the contact of one of the conductive coating through hole that is used for described circuit board from described terminal body;
Described reference terminal comprises: roughly rectangular reference edge daughter (64), be used for described reference terminal remain in fluking type keeping arm (66) in its corresponding receiving compartment, on the opposite side of described groove extended two the reference terminal flexible arm beams of reference edge daughter from then on, be located at two the reference terminal contact zones (84) that are used in the described groove with the contact of the contact mat on the opposite face of described circuit card, and be used for two solder tauls (72) with the conductive coating through hole contact of described circuit board.
15. the described card edge connector of claim 14, wherein said each terminal are included in a pair of maintenance barb (68,90) on its keeping arm, make described terminal be press-fit into and remain in its corresponding terminal receiving compartment.
16. the described card edge connector of claim 14, wherein each described terminal receiving compartment (46) has roughly from described card slot and extends to roughly median wall (56) with basal surface (30) adjacent of described casing, and described another chamber (44) then comprises the next-door neighbour and is in stop (52) under the described card slot.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12131698A | 1998-07-22 | 1998-07-22 | |
| US09/121316 | 1998-07-22 | ||
| US09/121,316 | 1998-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1242622A CN1242622A (en) | 2000-01-26 |
| CN1149716C true CN1149716C (en) | 2004-05-12 |
Family
ID=22395896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991106288A Expired - Fee Related CN1149716C (en) | 1998-07-22 | 1999-07-21 | High performance card edge connector |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP2000067958A (en) |
| KR (1) | KR100367391B1 (en) |
| CN (1) | CN1149716C (en) |
| SG (1) | SG79261A1 (en) |
| TW (1) | TW433603U (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003067711A2 (en) * | 2001-10-10 | 2003-08-14 | Molex Incorporated | High speed differential signal edge card connector circuit board layouts |
| JP4177415B2 (en) * | 2006-05-10 | 2008-11-05 | 日本航空電子工業株式会社 | connector |
| CN201562814U (en) * | 2008-09-09 | 2010-08-25 | 莫列斯公司 | Connector |
| CN101958475B (en) * | 2010-03-24 | 2013-01-16 | 深圳市德仓科技有限公司 | Card edge connector |
| CN102394403B (en) * | 2011-09-20 | 2014-04-02 | 华为机器有限公司 | Blind-plugging connector |
| CN109193222B (en) * | 2018-08-27 | 2020-06-05 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN112018536B (en) * | 2019-05-30 | 2022-03-04 | 贝尔威勒电子（昆山）有限公司 | Card edge connector and circuit board combination and terminal of card edge connector |
| CN117317711B (en) * | 2023-09-28 | 2024-05-17 | 东莞立讯技术有限公司 | Electric connector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051099A (en) * | 1990-01-10 | 1991-09-24 | Amp Incorporated | High speed card edge connector |
| US5496180A (en) * | 1994-04-06 | 1996-03-05 | The Whitaker Corporation | Surface mountable card edge connector |
| US5580257A (en) * | 1995-04-28 | 1996-12-03 | Molex Incorporated | High performance card edge connector |
-
1999
- 1999-07-05 SG SG9903203A patent/SG79261A1/en unknown
- 1999-07-08 TW TW088211419U patent/TW433603U/en not_active IP Right Cessation
- 1999-07-16 JP JP11202680A patent/JP2000067958A/en active Pending
- 1999-07-21 KR KR10-1999-0029424A patent/KR100367391B1/en not_active IP Right Cessation
- 1999-07-21 CN CNB991106288A patent/CN1149716C/en not_active Expired - Fee Related
-
2002
- 2002-02-04 JP JP2002000446U patent/JP3087734U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| TW433603U (en) | 2001-05-01 |
| SG79261A1 (en) | 2001-03-20 |
| JP2000067958A (en) | 2000-03-03 |
| CN1242622A (en) | 2000-01-26 |
| KR20000011843A (en) | 2000-02-25 |
| JP3087734U (en) | 2002-08-16 |
| KR100367391B1 (en) | 2003-01-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040512 |