[미국특허]
Circuit board bypass assemblies and components therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-031/00
H01R-013/66
H05K-007/14
G06F-001/18
H01R-012/79
H01R-013/6583
H01R-013/717
H01R-024/60
출원번호
US-0541775
(2016-01-11)
등록번호
US-10135211
(2018-11-20)
국제출원번호
PCT/US2016/012848
(2016-01-11)
국제공개번호
WO2016/112379
(2016-07-14)
발명자
/ 주소
Lloyd, Brian Keith
Walz, Gregory B.
Reed, Bruce
Fitzgerald, Gregory
Isaac, Ayman
Regnier, Kent E.
Janowiak, Brandon
Schulz, Darian R.
Ahmad, Munawar
Jones, Eran J.
Resendez, Javier
Rost, Michael
출원인 / 주소
Molex, LLC
대리인 / 주소
Sheldon, Stephen L.
인용정보
피인용 횟수 :
0인용 특허 :
228
초록▼
A connector for use in a free-standing connector port for mating with an external pluggable module is disclosed. The connector has terminals that extend lengthwise of the connector so that cables may be terminated to the terminals and the terminals and cable generally are horizontally aligned togeth
A connector for use in a free-standing connector port for mating with an external pluggable module is disclosed. The connector has terminals that extend lengthwise of the connector so that cables may be terminated to the terminals and the terminals and cable generally are horizontally aligned together. The connector includes a housing and a pair of connecting elements that flank a card-receiving slot of the connector. The cables exit from the rear of the connector elements and from the connector port. The connector elements engage the connector port to fix the connector in place within the connector port.
대표청구항▼
1. A bipass assembly, comprising: a device with a first panel and a second panel;a chip package supported by a support structure, the chip package including a chip supported on a substrate, the chip package including leads extending from the chip to respective first contacts and leads from the chip
1. A bipass assembly, comprising: a device with a first panel and a second panel;a chip package supported by a support structure, the chip package including a chip supported on a substrate, the chip package including leads extending from the chip to respective first contacts and leads from the chip to second contacts, the first and second contacts positioned at termination areas of the substrate;a first cable and a second cable, the first cable including a first pair of signal conductors and the second cable including a second pair of signal conductors, the first and second pairs of signal conductors each having a drain wire and a first end and a second end associated therewith, wherein the first cable is terminated to the first contacts and the second cable is terminated to the second contacts;an entry connector positioned in the first panel, the entry connector electrically connected to the chip package via the first cable; andan exit connector positioned in the second panel, the exit connector electrically connected to the chip package via the second cable, wherein the second cable is terminated to the second contacts and wherein the entry and exit connectors are configured to mate with respective opposing connectors so as to define, in operation, high data-rate capable transmission lines extending from the chip to the entry and exit connectors. 2. The bypass assembly of claim 1, wherein the entry connector is an I/O connector and the exit connector is a backplane connector. 3. The bypass assembly of claim 1, wherein the first and second panels are on opposite sides of the device. 4. The bypass assembly of claim 1, wherein the entry connector includes: a conductive, four-sided connector housing having opposing first and second ends, the housing including a plurality of walls contacting each other and defining a connector passage that is hollow and extends completely therethrough between the first and second ends;a receptacle connector disposed in the connector, the receptacle connector including a body portion supporting a plurality of conductive signal and ground terminals in distinct rows, the body portion defining a card-receiving slot. 5. The bypass assembly of claim 4, wherein the connector passage includes an interior taper that provides an interference contact with two opposing sides of the receptacle connector to thereby provide an EMI seal between the sides of the receptacle connector and the conductive housing, the receptacle connector further being restrained from linear movement within the passage and further including two EMI seal members extending widthwise along top and bottom sides of the receptacle connector and within the connector passage, the EMI seal members including EMI absorbing material that engages inner surfaces of the connector passage in an interference fit. 6. The bypass assembly of claim 4, wherein the connector passage includes shoulders that exert a compressive interference engagement force on the body portion in two different directions. 7. The bypass assembly of claim 4, wherein the receptacle connector includes two connector elements that each support a terminal array, the two terminal arrays being spaced apart from each other vertically and arranged in the card-receiving slot, the connector including a structure that promotes the signal integrity of data signals passing therethrough by way of an impedance transition from bypass cable wires to the circuits of a circuit card of an opposing mating connector. 8. The bypass assembly of claim 7, wherein the impedance transition is between from about 85 to about 100 ohms within a preselected tolerance level and is accomplished in three adjacent zones, wherein a first of the three zones has a hot melt adhesive surrounding portions of the terminals and wherein a second of the three zones has a liquid crystal polymer surrounding portions of the terminals, and wherein a third of the three zones has air surrounding portions of the terminals. 9. The bypass assembly of claim 8, further including a ground shield disposed in the connector housing above one of the two terminal arrays, wherein drain wires of the cables are connected to the ground shield. 10. The bypass assembly of claim 9, wherein the terminals have configurations that vary in width along the length of the terminals to tune the impedance thereof. 11. The bypass assembly of claim 4, wherein the receptacle connector includes a pair of connector elements, each connector element including a plurality of terminals arranged in a row and axially aligned with the cable signal conductors and grounds, two of the connector elements being stacked together to define two spaced-apart rows of terminals that extend into the card-receiving slot. 12. The bypass assembly of claim 11, wherein exterior portions of the connector elements are conductive and engage the connector housing. 13. The bypass assembly of claim 11, wherein the receptacle connector includes a ground plane interposed between the connector elements, and a plurality of cable ground busses which are spaced apart from the ground plane, each of the cable ground busses having a base portion that at least partially extends over proximal ends of signal conductors of the first wire pairs, the cable ground busses further including contact portions extending toward the receptacle connector ground terminals and being terminated to tail portions of ground terminals. 14. The bypass assembly of claim 13, wherein the cable ground buss contact portions are vertically offset with respect to the cable ground busses so that the cable ground busses are spaced apart from the ground plane and each other, and further extend over part of the terminal tail portions. 15. The bypass assembly of claim 14, wherein the drain wires of the first wire pairs include free ends extending out of plane of the first wire pair signal conductors, the drain wire free ends further being configured to lie flat upon the cable ground busses in contact therewith. 16. The bypass assembly of claim 13, wherein the cable ground busses include three contact portions spaced widthwise of the connector element and terminated to ground terminal tail portions such that each contact portion extends lengthwise adjacent a pair of twin-ax cable signal conductors. 17. The bypass assembly of claim 4, wherein one of the connector housing four sides includes a bottom wall with at least one pair of engagement flaps, one of the at least one pair of engagement flaps engaging an outer surface of a sidewall of the connector housing, and the other of the pair engaging an inner surface of the connector housing sidewall. 18. The bypass assembly of claim 1, further including a visual indicator bar supported thereon proximate a front end of the entry connector, the visual indicator bar including a plurality of LEDs for indicating operational conditions of a connector port defined by the connector housing, the connector housing having no light transmitting materials extending between its front end and a circuit board to which the connector housing is mounted. 19. The bypass assembly of claim 1, further including a heat sink associated with the connector housing, the connector housing having an opening disposed in one surface thereof and which receives the base of an elongated heat sink, the base extending downwardly into the hollow passage for contacting a surface of an opposing mating connector inserted therein, and the heat sink base includes a contact member that extends into the connector housing hollow passage. 20. The bypass assembly of claim 19, wherein the heat sink includes a cantilevered, heat transfer portion that extends rearwardly of the connector housing, the heat transfer portion including a plurality of spaced apart fins extending downwardly rearwardly of the connector housing and further include a lengthwise channel with a heat pipe extending between the heat sink contact portion and the heat transfer portion. 21. A chip package bypass assembly, comprising: a chip package, the chip package including an integrated circuit supported on a substrate, the substrate including a plurality of contacts disposed on a first surface of the substrate, the chip package further including high speed leads extending from high speed data transmission circuits of the integrated circuit to the plurality of contacts disposed at termination areas of the substrate;at least one cable containing a first wire pair, the first wire pair including a pair of differential signal conductors extending lengthwise between first and second free ends of the cable, and a drain wire associated with the first wire pair;an external connector interface including a conductive housing body having a plurality of walls that cooperatively define a hollow interior space, one of the walls including a bottom wall that extends completely across a bottom of the housing body and which closes off a bottom of the housing body interior space, the housing body further including a front end with an entrance communicating with the interior space;a receptacle connector disposed within the housing body interior space, the receptacle connector including an insulative housing and including at least two connector elements therein, each connector element including conductive signal and ground terminals with contact portions for contacting opposing contacts of a mating connector, and tail portions for terminating to the cable, the contact and tail portions extending lengthwise through the connector;first free ends of the signal conductors of the first wire pair being directly terminated to corresponding tail portions of the signal terminals of the connector and the drain wire of the first wire pair being terminated to at least one corresponding ground buss of the connector, the first wire pair and drain wire extending through a rear wall of the conductive housing body;second free ends of the signal conductors and drain wire of the first wire pair being connected to the chip package substrate to thereby define a first high speed transmission line extending from the integrated circuit high speed data transmission circuit to the external connector port, further including a second cable containing a second wire pair, the second wire pair including a pair of differential signal conductors extending lengthwise between first and second free ends of the second cable, each signal conductor being enclosed within an dielectric cover, and a drain wire associated with the second wire pair;first free ends of the signal conductors of the second wire pair being terminated to corresponding tail portions of the signal terminals of the connector and the drain wire of the second wire pair being terminated to at least one other corresponding ground buss of the internal connector; and,second free ends of the signal conductors and drain wire of the second wire pair being terminated to the chip package substrate to thereby define a second high speed transmission line extending from the integrated circuit high speed data transmission circuit to the external connector port. 22. A chip package bypass assembly, comprising: a chip package, the chip package including an integrated circuit supported on a substrate, the substrate including a plurality of contacts disposed on opposing first and second surfaces of the substrate, the chip package further including high speed leads extending from high speed data transmission circuits of the integrated circuit to associated first and second contact pads disposed at termination areas supported by the substrate on a surface other than the substrate second surface, and leads other than high speed leads extending from circuits other than the integrated circuit high speed data transmission circuits to contacts supported by the substrate second surface;at least one cable containing a first wire pair, the first wire pair including a pair of differential signal conductors extending lengthwise between first and second free ends of the cable, and a drain wire associated with the wire pair;an I/O connector including an insulative housing and including at least two connector elements therein, each connector element including conductive signal and ground terminals with contact portions for contacting an opposing connector and tail portions for terminating to the cable, the contact and tail portions extending lengthwise and terminals having equal lengths;first free ends of the signal conductors of the first wire pair being directly terminated to corresponding tail portions of the signal terminals of the I/O connector and the drain wire of the first wire pair being terminated to at least one corresponding ground buss of the connector, the first wire pair and drain wire extending through a rear wall of the connector element; and,second free ends of the signal conductors and drain wire of the first wire pair being terminated to the chip package substrate to thereby define a first high speed transmission line extending from the integrated circuit high speed data transmission circuit to an external connector port. 23. The chip package bypass assembly of claim 22, wherein the drain wire of the first wire pair is terminated to an additional ground terminal of the internal connector, the one and additional ground terminals flanking a pair of signal terminals. 24. The chip package bypass assembly of claim 22, further including a second cable containing a second wire pair, the second wire pair including a pair of differential signal conductors extending lengthwise between first and second free ends of the second cable, each signal conductor being enclosed within an dielectric cover, and a drain wire associated with the second wire pair; first free ends of the signal conductors of the second wire pair being terminated to corresponding tail portions of the signal terminals of the connector and the drain wire of the second wire pair being terminated to at least one other corresponding ground buss of the internal connector; and,second free ends of the signal conductors and drain wire of the second wire pair being terminated to the chip package substrate to thereby define a second high speed transmission line extending from the integrated circuit high speed data transmission circuit to the external connector port. 25. The chip package bypass assembly of claim 22, wherein the internal connector includes a receptacle connector with a card-receiving slot and the connector elements are arranged within the housing body interior space to define two rows of terminals that are respectively positioned on opposite sides of the card-receiving slot. 26. The chip package bypass assembly of claim 22, further including a termination nest in which the tail portions of the connector terminals extend, and the first and second wire pairs are adjacent each other in a single row of terminals within the termination nest.
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