JPH02256184A - Electric connector device - Google Patents

Abstract

PURPOSE: To provide a dense high-frequency connector device which improves its signal integrity by providing its two dense high-frequency connectors with grounded base contacts for shielding adjacent rows of signal carrier contacts from each other. CONSTITUTION: A dense electric connector device 10 comprising two connectors 12 and 14 is provided with grounded contacts 30 between rows of its signal contacts. The grounded contact 30 of one connector is provided with a blade 58 projecting outward, while the grounded contact 30 of the other connector associated with the blade 58 is provided with a blade 58 having a cantilever 124 or 146. The blade 58 serves to shield adjacent rows of the signal contacts from each other and the cantilever 124 or 146 comes into electric engagement with the blade 58 to form a grounded circuit between the back plane arranged on the connector 12 or 14 and the circuit card, which improve their maintenance of high frequency signals.

Description

DETAILED DESCRIPTION OF THE INVENTION This invention relates to signal integrity in high density, high frequency electrical connector systems of the type used to electrically connect high frequency signal circuits on backplanes, daughter cards, and other substrates.

High frequency connectors have been developed for use with packed prunes and printed circuit boards, such as daughter cards, in the high speed technology of modern electronics. Such connectors require baffles or ground planes between the signal pins, such as stripline, to preserve high frequency signals and minimize interference from external power sources. Such configurations are disclosed in U.S. patents No. 4,632,476, in which a terminal grounding device includes an insulating member having rows and columns of holes, the holes being attached to a backplane carrying the insulating member; The insulating member receives a pin terminal projecting outwardly from the backplane.The insulating member further includes a channel between the columns of the holes for receiving a shielding member, the shielding member being attached to the backplane. and is received by a U-shaped female contact which passes through a slot in the floor of said channel and projects into said channel.According to this arrangement, the flexible surface, i.e. the ground plane, is connected to the high frequency signal carrying pin terminal. formed between adjacent columns.

U.S. Pat. No. 4,571,014 discloses a high frequency modular connector for use with a rotating board to interconnect the circuit board and a backplane. This connector is
Each module consists of a pair of rectangular circuit board members. These circuit board members include a plurality of parallel fingers separated by slots and define passageways for receiving female contacts. Each circuit board member in each module is disposed between a shield member and a dielectric spacer.

Conductive barrier members having different shapes are arranged between adjacent modules. The side shields shield adjacent modules, and the corrugated conductive members are located in slots between the fingers to shield adjacent female contacts disposed in passageways within the fingers. The shielding member and the corrugated conductive portion are connected to a ground circuit to complete a ground path.

Today, it has been proposed to provide ground reference contacts for interfering between adjacent rows of signal carrying contacts in two-piece high density high frequency connectors. Additionally, it has been proposed to use power carrying contacts with ground reference contacts when necessary.

In accordance with the present invention, a high density electrical connector system consisting of two connectors includes a ground contact between the rows of signal contacts.

The ground contact of one connector has an outwardly projecting blade, and the ground contact of the other connector that mates with the blade has a cantilevered plate. The plate shields between the rows of mated signal contacts, and the cantilever beam electrically engages the blades to connect the backplane and circuit cards attached to each of the two connectors. Complete the grounding circuit between.

The electrical connector apparatus of the present invention includes a first connector, known to those skilled in the art as a "pin connector," which is typically mounted to a motherboard or backplane. The device further includes a second connector, known as a "receptacle," which fits into the pin bed and to which a printed circuit board, commonly referred to as a "daughter card," is attached. These connectors have conductive signal contacts that carry signals between circuits on the card and backplane.

The electrical connector device described herein is manufactured and sold by the applicant. The two-piece connector of the present invention has two or more rows of signal contacts, [)IDI
It is sold as a product called J.

The electrical connector assembly @10 shown in Figure 1 is the backplane 1.
1st connector 2 and daughter card 1 mounted on 6
8 and a second connector 4 adjacent to the second connector 8 .

Connector 2 has a dielectric housing 20 with a bottom wall 22 and side walls 24, 26, and further includes power contacts 28, ground contacts 30, and signal contacts 32.

2A, 2B, 2C and 2D illustrate the construction of housing 20 in detail. The side walls 24,26 together with the floor 34 form a cavity 36. Column 38 and Row 4
Passages 42, 44, 26 arranged in the shape of 0 are formed in the housing and extend through the bottom wall 22 to the floor 34 and the lower surface 48.
Open to. Passageway 42 is adjacent to sidewall 24, passageway 44 is adjacent to sidewall 26, and passageway 46 is between the walls. As shown, each column 38 has one passage 42, one passage 44, and four passages 46. Passage 42, 44.4
The details of the internal structure of 6 are that these have internal contacts 28.3.
032 and is well known to those skilled in the art and is not shown. Such internal structural details are not necessary to practice the invention.

Channels 42A and 44A are each passage 42.4.
4 and curves inwardly between adjacent columns 38 toward the center of cavity 36 . As shown in FIG. 2D, channels 42A, 44A extend into, but do not penetrate, bottom wall 22.

Housing 20 is preferably molded using a plastic material such as a high temperature thermoplastic.

The contact 28.30.32 shown in FIGS. 3A, 3B and 3C all have a stress accommodating section 50 and a wire section 52. Both power contact 28 and ground contact 30 have a retaining section 54, an L-shaped strap 56, and a blade 58. Strap 1 on each contact 28.30
56 are curved in opposite directions with respect to each other to connect the blade 58 to the stress accommodation section 50 and the conductor section 52, as shown.
and has a shifting role with respect to the holding section 54. The blades 58 of the ground contact 30 are longer than the blades of the power contact 28, as is commonly known.

Signal contact 32 has a retaining section 60 and a vial 62.

The contacts 28, 30, 32 are preferably stamped and formed, and the material used is preferably phosphor bronze.

FIGS. 4A and 48 show a contact 28 attached to the housing 20.
, 30, 32 are shown at 1''.

Power contact 28 is mounted in passageway 44 adjacent sidewall 26 with strap 56 received in channel 44A.

Ground contact 30 is mounted in passageway 42 adjacent sidewall 24 with strap 56 received in channel 42A.

The signal contact 32 is mounted in the passageway 46 with the pin 62 protruding into the cavity 36.

Stress compliant sections 50 and conductor sections 52 of all contacts 28.30.32 project outwardly from the housing underside 48, said sections 50 frictionally engaging plated through holes 16A, 16B, 16C in the backplane. A conductor section 5 passing through the backplane 16 is adapted to
2 is designed to allow electric wire to be wrapped around it.

The second connector 14 includes a dielectric housing 70, a power contact 72, a ground contact 74, and a signal contact 76. 58, 5B, 5C and 50 illustrate the construction of housing 70 in detail.

The housing 70 has side walls 80, 82, and end walls 84.
It consists of a rectangular parallelepiped block 78 having a front surface 86 and a rear surface 88. As shown in FIGS. 5C and 50, the side wall 8
0 extends rearwardly from the front face 86 a shorter distance than the opposite side wall 82 and terminates at a ledge 89.

Passages 94 in the form of columns 90 and rows 92 (58th
) is open to the front surface 86 and is formed in the housing 70 toward the rear. Additionally, slots 100 (FIG. 58) in the form of columns 96 and rows 98 are provided at the front surface 8.
6 and is formed in the housing 70 toward the rear. The four columns of passages 94 alternate with the two columns of slots 100 along the length of the housing 70 .

Each passageway 94 is separated from other passageways 94 by an internal wall 102 and a slot 100 by a transverse wall 104.
separated from As shown in FIG. 5C, a cantilevered respray ladder 106 projects from each lateral wall 104 into each passageway 94. Preferably, the opening 108 of the passageway 94 has a funnel shape. The free end 110 of the interior wall 102 is 1
The sides are beveled and slope backwards towards the side wall 80.

The slots 100 in each row 96 are separated by walls 112. Additionally, a protrusion 114 projects from the inner surface 116 of each sidewall 80.82 into the respective slot 100;
A rear facing shelf 117 is formed on the inner surface 116 of side wall 82 .

Housing 70 is preferably formed from a high temperature thermoplastic material.

Contacts 72, 74.7 assembled to the second connector 4
6 is shown in FIGS. 6A, 6B and 6C. Preferably, these contacts are stamped and formed from beryllium copper alloy.

The power contact 72 (FIG. 6A) has a flat plate 118 with a cantilevered beam 124 at the front end of the forward portion 120 in a slot.
and finger pieces 126 and 128 are formed on both sides thereof.

Beam 124 contains a contact convex surface 130 at its free end and is bent outwardly from the plane of flat plate 118 near the point of contact with the flat plate. Next, the beam 124 is bent in the opposite direction so as to cross the surface of the flat plate 118 so that the contact convex surface 130 is in the same plane as the other surface of the flat plate 118. Notches 132 , 134 are formed on the outer side edge 136 of the flat plate 118 , one notch 132 being near the free end of the finger 128 . A tab 138 projects outwardly from the side edge 136 at the intersection of the front portion 120 and rear portion 122 of the flat plate.

The rear section 122 is in the same plane as the front section 120;
It is bent at about 45 degrees with respect to the rear portion.

A conductor section 14 projects outwardly from a corner of the rear portion 122
0 is bent at right angles from the plane of the flat plate 118.

The ground contact 74 (FIG. 6B) has a flat plate 142 whose front free end 144 is slotted to form a cantilever 146 and fingers 148, 150 on either side thereof. Acupuncture 1
46 contains a contact convex surface 152 at its free end and is bent across flat plate 142 from one side to the other, similar to the power contact beam 124 described above. A notch 154 is formed on the outwardly facing edge 156 of the flat plate 142 near the free end of the finger 148.

Furthermore, a conductor section 158 is provided behind the cutout on the flat plate 14.
After being shifted from the surface of the flat plate 142 at the corner of the rear edge 166 on the opposite side to the side edge 164 of No. 2, it protrudes outward from the side R156. As shown, the trailing edge 166 is the side edge 156
．． 164.

Misalignment of conductor segments 140.158 indicates card 1
8 hole arrangement, i.e. power hole 188 and ground hole 18
This is necessary because B is arranged in the negative column with the signal hole 18C (see FIG. 1).

A signal contact 76 (FIG. 6C) has a receptacle 16 at one end.
8, a conductor section 170 at the other end, and the receptacle 168.
includes a retention section 172 at the rear thereof and a strap 174 between and connecting the conductor section 170 and the retention section 172. Receptacle 168 is formed from opposing resilient beams 176. The retaining section 112 has resilient legs 178 projecting obliquely outwardly. Strap 1
74 is bent at 45 degrees in two places so that the conductor section 170 is in a 90 degree angular relationship with respect to the receptacle 168.

1A and 7B show the second connector 14 with contacts 72, 74, 76 attached to the housing 70.

Power contacts 72 (FIG. 7A) are inserted from rear surface 88 into outer wall 82.
is inserted into the slot 100 adjacent to the . Cantilever beam 1
24 is proximate the front surface 86, and a conductor section 140 projects laterally from the housing 70 onto the side wall 80. In this contact, the protrusion 114 enters the notch 132 and the tab 138 enters the shelf 1.
17.

A ground contact 74 (FIG. 7A) is also inserted from the rear surface 88 into a slot 100 adjacent sidewall 80. A cantilever 146 is proximate the front surface 86 and a conductor section 158 projects laterally from the housing 70 between the conductor section 140 and the side wall 80 of the contact 72 . This contact is the protrusion 114
enters the notch 154 and is retained by the tab 162 engaging the end of the wall 112.

Signal contact 76 (FIG. 7B) is inserted into passageway 94 from rear surface 88 and receptacle 168 is proximate opening 108. A conductor section 170 projects laterally from the housing 70 onto the side wall 80 . This contact has a passage 94 and a retaining section 17.
2 are held by being press-fitted.

The strap 114 abuts the beveled end 110 of the wall 102, but only the signal contact 16 in the passageway 94 proximate the sidewall 80 has its strap 174 bent more than once 90 degrees so that Abuts on the free end.

Conductor segments 140, 158, 170 are inserted into respective holes 18A, 18B and 18C (FIG. 1) of card 18 and retained therein by welding.

Figures 8A and 8B show first connector 12 and second connector 14 engaging each other. Connector 14 is located in cavity 36 of connector 12 and has contacts 72.747
6 is the respective contact 28.30.3 in the connector 12
2. In particular, as shown in Figure 88,
Cantilever beams 124, 146 of each of power contact 72 and ground contact 74 slide into engagement with respective blades 5858 of power contact 28 and ground contact 30, respectively. The cantilever beams 124, 146 elastically deform to exert the necessary normal force on the respective blade 58, 58. As shown in FIG. 8B, pin 62 of signal contact 32 of connector 12 is connected to signal contact 76 of connector 14.
is received in receptacle 168 of.

98, 98, 9C and 90 show modifications of the first connector 12. FIG. The housing 180 of the modified first connector 182 includes separate columns 1 each having a power contact passage 186 and a ground contact passage 188.
Turn right at 84. Column 184 includes each of the four signal contact passages 4
Alternating with columns 190 of six. Channel 186A
188A extend linearly inwardly from each passage 186, 188 toward each other.

Power contacts 192 and ground contacts 194 used in housing 180 are illustrated in FIG. 9B. contact 19
2,194 each include a stress accommodation section 50 and a conductor section 52.
, a retaining section 54 , and a blade 58 offset from the three sections by a strap 196 .

9C shows connector 182 having a column 190 of signal contacts 32 in passage 46, and FIG. 9D shows connector 182 having column 184 with one power contact 192 and one ground contact 194. Indicates that the

Retention sections 54 are within respective channels 186 and 188, and straps 196 are within respective channels 186.
8 and 188A. These figures show that the pin 62 of the signal contact 32 is in the same relative position with the respective blades 58 , 58 of the power contact 192 and the ground contact 194 as in the case of the first connector 12 . Therefore, the first connector 12 and the modified first connector 18
2 are compatible, i.e. each connector is
It can be used with the second connector 14 without any modification.

108, FIG. 10B, and FIG. 10C do not show the modification of the modified first connector 182 and the contacts 192, 194. In the housing 198 of the first connector 200, the channels 186, 188A are internally joined together and have a single channel extending across the width of the cavity 36 and interconnecting the passageways 186, 188, as shown in FIG. 10A. A channel 202 is formed. The contacts 192 and 194 are the 10th
As shown in Figure B, it is formed as one contact 204. A double score line 206 crosses the strap 208 in the middle so that the two contacts 192, 194 can be separated by cutting the strap 208 along the score line 206.

FIG. 10C shows a first connector 200 with contacts 204 in respective passages 186.degree. 188 and straps disposed in channels 202 of housing 198.

According to this contactor 204, the user can use the contactor exclusively for grounding, exclusively for power, or separate it into the contacts 192 and 194 described above.

Similar to this contact 204, the contact 72.74 is also
As shown in FIGS. 11A and 11B, one contact 210 can be formed. Double scored line 212
By forming the contact 210 on the flat plate 214, the user can cut the contact 210 into two contacts if necessary.

Contact 210 is a variation on contact 72.74.

The conductor sections 216, 218 protrude outwardly on the same plane as the flat plate 214. This is the hole 18 of the card 18 (FIG. 1).
A, conductor section 14 offset to engage 18B
In contrast to 0.158. The use of conductor sections 216, 218 requires that holes 18A, 18B be staggered with respect to signal hole 18C (not shown). However, if desired, the conductor sections 216, 218 can be connected to the flat plate 2.
It can be formed offset from 14.

FIG. 118 shows the second connector with contacts 210 attached. No modifications to the second connector 14 or the first connectors 12182 and 200 are required when using the contacts 210 with the second connector 14.

12A and 128 illustrate variations of contact 72, 74 as described above with respect to contact 210. That is, the conductor sections 220, 222 are connected to the respective contacts 22823.
It is on the same plane as the flat plates 224 and 226 of 0. As previously mentioned, when using conductor sections 220, 222, the hole arrangement on card 18 must be modified (not shown). In all other respects, conductor segments 220, 22
2 is identical to conductor section 72.74.

13A and 138 illustrate signal contacts 232 and 234, respectively, that can be used in the second connector 14.

The contact 232 has a receptacle 236 at one end, a conductor section 238 at the other end, a retaining section 240, and a carrier strip 2 in between.
Contains 44.

Contactor 232 is stamped and formed from a flat stock, while cantilever 246 of receptacle 236 has a flat shape. Both cantilevers 246 are bent out of the plane of the other portions of the contact 232 and converge toward each other at a convex portion 248 proximate the free end 250 . One advantage of forming contact 232 in this manner is that the convex surface 248 can be precisely plated before folding.

The retaining section 240 bites into the wall of the passageway 46 and holds the contact 2.
32 to the housing 10.

Contact 232 connects conductor section 238 and strap 24
The second surface is mounted to the housing 10 so as to be perpendicular to the longitudinal axis of the second connector 14, as illustrated for contact 234 in FIG. This differs from the orientation of conductor section 170 and strap 114 on contact 76 as shown in FIG. 7B.

As is well known to those skilled in the art, the contacts 232 are connected to the housing 70.
It is cut away from the carrier strip 244 before being attached to the carrier strip 244.

Contact 234, shown in Figure 13B, retains receptacle 168 and retention section 172 of contact 76 (Figure 6C). Strap 254 and conductor section 256 remain in the punched position, so as shown in FIG. 13A.
These planes are perpendicular to the housing axis.

The advantage of contactor 232.234 is slip 242.2
There is no need to bend 54, i.e. the desired shape can be obtained in the initial stamping operation.

As shown in FIG. 14 and compared to the housing 70 of FIG. 8B, the housing 258 of the second connector 260 includes a
It has been modified to accept .54. Here, side wall 2
The height of housing 258 is reduced by shortening the lengths of 62, 264 and interior wall 266, and eliminating the wall between columns 90 and 96. For the first connector 12 providing a reference point, the side walls 262, 264 J5 and the interior wall 266 are all on the corresponding side? 80.82 and much shorter than the internal wall 102. Roughly, the free end 268 is rounded without being beveled.

FIG. 15 shows an alternative form of contact 72, 210 or 228.

Contact 270 has a ledge 272 on side edge 274 bent at right angles with respect to flat plate 216 . When the contacts 270 are disposed within the housing 258, the ledges 272 extend between a pair of straps 242 or a pair of straps 254 of each of the contacts 232 or 234 in adjacent columns so that the two Separate adjacent straps. Shelf section 27
2 may be on the opposite side edge 278 in addition to side edge 214 (not shown) to separate another pair of straps 242, 254.

Several embodiments of several components comprising connector device 10 are shown. Among these, a preferred first connector is connector 200 having contacts 204.

If the user uses contact 204 exclusively for grounding, strap 208 provides continuous shielding across the width of cavity 36. Next, the user uses the contact 20 as described above.
4 can be left as is or divided into two contacts.

staggering passages 186, 188 with respect to signal contact passage 46, apart from using contacts 204;
Housing 180 or 198 is preferred because of its ease of forming straight channels 186A, 188a, 202 without curved channels 42A, 44A.

In this regard, contacts 192, 194, 204 are easier to stamp and form than contacts 28, 30.

The second connector housing 258 (FIG. 14) is preferred from a molding standpoint, and the contacts 210 are preferred for the characteristics described above. Conductor segment 216.218.220.222 is
These are preferable in that there is no need to bend each flat plate 214, 224, 226 from its surface.

Signal contact 232 is slightly preferred over contacts 76, 234.

In describing the first connector 12 and the second connector 14, contacts 28.30.72.74 have been designated as power or ground contacts. As is well known to those skilled in the art, actual use will be determined by the backplane and circuit card design. The contact designations described above are preferred usage, eg, designating the blades 58 on the ground contact 30 as long, but are not limited to such designations.

Items that may be considered equivalent to those described herein may include the following: i.e., a conductor section adapted to be face welded to a circuit pad (not shown) on the backplane and circuit card, one cantilever 1
2 wooden cantilever contacts in place of 24 and 146, a box-shaped receptacle in place of the two cantilever receptacles 168 and 236, and a lightning arrester housing 2, not shown.
0,70, 180, 198 outwardly protruding conductor sections 52, etc.

In some of the connector embodiments shown and described herein, contacts 28, 30, 72, 74 and their modified contacts are perpendicular to the longitudinal axis of connector 12.14 and these modified connectors. It's facing in that direction. However, the contacts 2830, 72, 74, etc. are parallel to the longitudinal axis of the connector, i.e.
It is within the scope of the present invention to locate the signal contacts between adjacent rows of signal contacts rather than between columns as shown.

Another variation within the scope of the invention concerns the respective flat plates 118, 142 of the contacts 72, 74°. flat plate 11
8142 and others are shown as flat.

However, these plates are advantageously formed so as to contain vertical ribs or the like projecting outwardly at right angles from the flat plates between adjacent signal contacts 32.76 in adjacent columns 38.90 and so on. .

FIG. 16 shows an electrical connector assembly having the first connector described above and a second connector 314 containing an insulating housing 336, a signal contact 338, and a ground contact 340. As shown, the housing 336 includes a fitting portion 342 that fits into the cavity 36 of the connector 12. A substrate 344 is shown having holes 346 plated above the connector 314. Substrate 344 is mounted over connector 314 with signal contact conductor section 348 and ground contact conductor section 350 received in appropriate holes 346.

FIG. 17 shows housing 33 receiving signal contact 338.
6 is shown. In this embodiment, the column includes four passages 352 extending between opposite walls 354 of housing 336 . Here, columns are defined as extending across the width of housing 336 and rows are defined as extending longitudinally between opposite ends of housing 336.

These definitions are consistent with industry usage.

Each passageway 352 has a funnel-shaped opening 356 for access from a front surface 358 of the housing 336. The passageway 252 also has an opening 364 open to the rear surface 362 of the housing 336.

FIG. 18 shows housing 33 receiving ground contact 340.
Slot 366 in 6 is not shown. There are two slots per column, which are separated from adjacent columns containing signal contact passageways 352 by transverse walls 368. Each slot 366 has an opening 370, 372 in the front surface 358 and rear surface 362, respectively. An inwardly directed protrusion 374 is formed on an outer portion 376 of the inner wall of slot 366 .

The outer portion 376 has a portion 378 that slopes rearwardly and outwardly toward the sidewall 354 .

As is well known in the industry, the housing 322°336
is molded from a suitable plastic material such as a high temperature thermoplastic.

As shown in FIG. 19, the signal contact 338 includes a two-cantilever receptacle 382 and a retaining section 38.
4 and a conductor section 348. outward shoulder 386
The conductor section 348 with the .

The ground contact 340 shown in FIG.
It has one cantilever 392 extending forwardly into a slot 394 cut into it. Elastic legs 340a are formed on both sides of the slot 394. A notch 398 is formed in the side wall 400 of the plate 396 near the forward end 402 . side wall 400
The rear portion 404 slopes laterally to the conductor section 350. The two contacts 340 shown in FIG. 20 are turned upside down.

21 shows the second connector 314 with a signal contact 338 installed in the passageway 352 and FIG. 22 shows the second connector 314 with a ground contact 340 installed in the slot 366. Retention section 384 frictionally retains contact 338 within passageway 352 and receptacle 382 proximate opening 356.

The conductor section 348 projects rearwardly from the rear opening 364. As shown, center wall 406 of housing 336
The contacts 338 in each pair of passageways 352 on opposite sides of the are arranged in opposite directions. Each conductor segment 348 is on the same centerline as the receptacle 382 by a fold 390. The contact 338 is inserted into the passageway 352 through the rear opening 364 and the free end of the receptacle 382 is inserted into the shoulder 360.
or near the shoulder.

The ground contact 340 has an inward protrusion 374 with a notch 398
is retained within the slot 366 against withdrawal forces by being latched to the slot 366. Sloped contact sidewall portion 404 abuts sloped wall portion 378 of housing sidewall 376 to prevent forward movement of contact 340. As is clear from this configuration, the contact 340 is connected to the rear opening 3.
72 into the slot 366, and during this insertion, the leg 340a of the contact 340 elastically rides over the protrusion 374. Ground contact conductor section 350 projects outwardly from rear surface 362 on either side of signal contact conductor section 348.

FIG. 23 shows that the respective connectors 12, 314 attached to the boards 16, 344 parallel to each other are combined with each other to connect signal circuits (not shown) on both boards 16, 344.
are electrically connected by mutual engagement of signal contacts 32, 338. As shown, connector 1
Bin 62 of signal contact 32 in connector 314 is received in receptacle 382 of signal contact 338 in connector 314 .

FIG. 24 is a drawing similar to FIG. 23, but showing that ground contacts 28, 30, 340 engage each other to interconnect ground circuits (not shown) on parallel substrates 16, 344. show. The contacts 28 , 30 , 340 contact each other by the cantilever 392 slidingly engaging the blade 58 .

The above explanation uses the contactor 340 as the ground reference surface. However, one or more contacts 340 can be used to transfer power, if desired. At this time, connect the tremor 58 on the power contact 28 to the ground contact 30.
It is shorter than the upper blade 58 to interconnect the ground circuit before the power circuit.

As shown in FIG. 24, the left blade 58 is shorter than the right blade 58 to demonstrate such dual purpose of the contact 28.30.

As can be clearly seen, a high density high frequency connector for increasing signal integrity in a high density connector arrangement comprising a first connector mounted on a backbrain and a second connector mounted on a circuit card that can be combined with each other. The device is described. Each connector contains rows of contacts for carrying high frequency signals and alternating rows of ground reference contacts to maintain signal integrity. The ground contact in one connector has an outwardly projecting blade. The ground contact in the connector of use has a cantilever that engages the blade, and the cantilever is connected to a slot in a wide plate that cooperates to provide blanket shielding between adjacent rows of signal-carrying contacts. formed within.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an electrical connector device according to the present invention;
8 and 2B are perspective and top views, respectively, of the first connector housing of the electrical connector device;
Figures 2C and 2D are 2C-2 of Figure 2B, respectively.
3A, 3B and 3C are perspective views of various conductive contacts of the first connector, and FIGS. 4A and 4B are respective views of the first connector. 5A and 5B are perspective and top views, respectively, of the second connector housing of the electrical connector device, and FIGS. 5C and 50 are top views and cross-sectional views taken along line 484B in FIG. are each 5 in Figure 58.
6A, 6B and 6C are perspective views of various conductive contacts of the second connector, and FIGS. 7A and 7B are sectional views taken along lines C-5C and 5O-5D. 88 and 8B are cross-sectional views of the first connector and the second connector combined with each other, and FIGS. 9A and 9B are cross-sectional views of the first connector of different embodiments, respectively. FIGS. 9C and 9D are top views and perspective views of the contacts used in the first connector.
The sectional views taken along the lines 09C and 90-9D, and FIGS. 108 and 108 are roughly a top view of a first connector of another embodiment and a top view of a contact used in the first connector, respectively. FIG. 10C is a sectional view taken along the line 10010C in FIG. 10A, and FIGS. FIGS. 12A and 12B are perspective views of two further embodiments of conductive contacts used in the second connector, and FIGS. 13A and 13B are cross-sectional views of the second connector. 14 is a sectional view of another embodiment of the second connector combined with the first connector, and FIG. 15 is a conductive contact. FIG. 16 is an exploded perspective view of an electrical connector device according to a preferred embodiment of the present invention; FIGS. 17 and 18 are perspective views of yet another embodiment of the invention;
6, cross-sectional views of the contact receiving cavity of the receptacle connector taken along lines 17-17 and ia-ia, respectively, in FIG.
9 is a perspective view of the signal contact, FIG. 20 is a perspective view of the ground receptacle contact, and FIG. 21 shows the signal contact of FIG. 19 placed in a suitable cavity in the receptacle connector housing of FIG. 17. FIG. 22 is a cross-sectional view of the ground receptacle contact of FIG. 20 placed in the appropriate cavity in the receptacle connector housing of FIG. 18; FIG.
The figure is a cross-sectional view of a combination of a header connector and a receptacle connector in which the respective signal contacts are engaged with each other,
FIG. 24 is a cross-sectional view of a combination header connector and receptacle connector in which respective ground contacts are engaged with each other. 10...] Connector device 14... Second connector 30□74... Ground contact 58... Blade 124146... Cantilever beam 12... First] Connector 2872... Power contact 32.76...Signal contact 62...Bin ○ Foot Otsu-' C1 ← ■

Claims (1)

[Claims] An electrical connector device having first and second matable connectors, each having a row of matable signal contacts, wherein the first connector is located between the rows of pins on the signal contacts. The second connector includes a non-signal contact having a blade, and the second connector includes a non-signal contact having a cantilever that electrically engages the blade when mated with the first connector. electrical connector equipment.