TWI275217B - Electrical connector - Google Patents

Abstract

An electrical connector comprises an insulative housing with a plurality of receiving passages and a corresponding number of terminals received in the receiving passages. Each terminal includes a base portion and a spring arm extending perpendicularly from the base portion. The spring arm includes a supporting portion and a spring portion extending from the up end of the supporting portion, the spring portion further includes an extending portion, an offsetting portion and a contacting portion. A contacting portion of a terminal received in a receiving passage extends to the upside of the extending portion of the adjacent terminal, when terminals are stressed, said contacting portion can stagger away from said extending portion of the adjacent terminal for avoiding short circuit in the electrical connector.

Description

1275217

V. Description of invention (1)

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an electrical connector, and more particularly to a planar array of contacts (L g a ) connected to a circuit board. [Prior Art] A chip module electrical electrical connector. According to the LGA electrical connector, the chip module board is provided with a chip-like structure on one side of the chip module, and has a thin plate shape and is assembled on the circuit board; The conductive region is arranged in a matrix row in the conductive region: the V-electric terminal has better elasticity and partially protrudes from the insulation: the sub-substrate and the wafer I group guide, and the outer edge of the magic The electrical contact with the conductive body of the wafer module is elastically abutted. h body and reach the wafer module ginger

Ik electric rolling is not always equipped with W ^, dusting, and the density between the conductive terminals of the LGA electrical connector is getting larger and larger; and the other _ =, for the terminal and wafer die of the LGA electrical connector The good spring 1 is connected between the groups, and the terminal connection portion of the terminal generally extends beyond the terminal receiving groove. When the terminal is deformed by pressure, the short distance between the front and rear terminals may easily cause the terminals to contact each other and cause a short circuit. As shown in the first and second figures, a conventional LGA terminal 9 includes a base portion 8' held in the terminal receiving groove 50 of the electrical connector insulative housing 3, and a horizontal bend from the base portion 8. The end portion 7 and the elastic portion are folded, and the elastic portion is provided with a curved portion 6〇, and the contact portion/32' connected to the curved portion 60, in order to ensure the elasticity of the terminal 9. The terminal 9 is placed after the electrical connection to the crying stand and the sub-receiving slot 50', and the contact portion 6 2 ' protrudes from the surface of the electrical connector.

立赞明说明(2) The length m:4 contact portion 62' extends downward to form an end portion 64. Connected to; the electrical conductor 2〇', when the wafer module 4, the history of the package is in accordance with the state, the electrical connection is crying; Q, 20, contact. However, since the end γ density/contact portion 62' and the conductive body 9 are in contact with Qiu β9, your mountain v mountain is 1 乂 large, the spacing is small, and the end of the terminal 9' is a large distance, the latter If the contact portion 62 is electrically conductive, the contact portion 62 is directly facing the upper portion, and the sub-curved portion 60 is in contact with each other to cause the short circuit ^=64' to extend to the front end with the end portion 64' of the front end. The rear-conducting terminal 9' contact portion 62' is generated by the (four)-shaped time--directly above the 'end end portion 64', which will also be displaced from the previous terminal and forwardly displaced. Moreover, since the contact portion 62 of the terminal 9, the contact portion causes a short circuit 5 〇 'large distance, and the connection is extended to the terminal, the terminal receiving groove is short, and the end portion 64 is completely exposed to the end of the insulation: When the portion 64 is set to be a comparator, the end portion 64 is easily caught by A: and the electrical connection is damaged. /, his object caused the terminal 9, the damage [inside j] 彳 necessary design - a new type of electrical connector to overcome the above drawbacks. The object of the present invention is to provide a type of contact that can ensure that the contact portion of the connector of the electrical connector is provided - u: no short circuit occurs between the terminal terminals of the device: = two electrical conductors. The present invention relates to an electric far crying m <; Electrical connection state. The circuit board is provided with a terminal for receiving the G-connecting chip module to the conductive terminal in the cavity: ::" body and receiving in the terminal receiving device, the dice are provided with a base and are suspended by the connecting portion

1275217 -_______ V. Description of the invention (3) Elastic piece, which further includes a plucking portion and a self-supporting end deflection y::r portion. The elastic portion is extended (four), the conductive terminal portion of the self-extension portion is connected to the partial guiding portion. The terminal slot of the guiding portion extends to the adjacent one of the adjacent terminal slots. The extension of the conductive terminal is staggered. The sub-received connector (four), the electrical connector provided by the present invention at the end = this effectively avoids the connecting portion and the extension of the adjacent terminal to form a link, so that there is more Good and reliable electrical connection performance. [Embodiment] # $ μ, * 拉Γ, 3rd and 7th, the electrical connector of the present invention is used for electrical, cymbal cymbal group 3 and circuit board 4 The insulating body 22 includes the terminal receiving groove 24 and the conductive terminal 1 received in the terminal receiving groove 24, and the side of the chip module 3 is provided with a conductor 3 〇. In the fifth to fifth embodiments, the conductive terminal i includes a base 1 〇, a retaining portion u extending downward from the base portion 10, a tail portion 12 of the horizontally bent end portion of the retaining portion 及, and a side bent from one side of the base portion 10 The elastic piece is 3. The two sides of the holding portion π are respectively provided with barbs 110. The elastic piece 13 includes a connecting portion 13〇 a support portion 132 extending in a vertical direction and an elastic portion 134 ′ connected to one end of the support portion 132. The connecting portion 130 has an arc shape with an arc of substantially (four degrees), and the support portion 132 is vertically connected through the connecting portion 13 The elastic portion 134 includes an arc-shaped extending portion 1 340 extending obliquely upward from the upper end of the supporting portion 132, and the extending portion 1 340 can ensure better flexibility when the terminal is pressed. The upper end of the 340 extends upwardly and is provided with a deflecting portion 1 342 which is deflected away from the base portion 10, and the deflecting portion 1 342 is another

1275217 V. INSTRUCTION DESCRIPTION (4) One end is connected with an upturned guiding portion 1 3 4 4, which is at the highest point of the terminal 1. The guiding portion 1 3 4 4 is obliquely downwardly provided with the end portion 1 3 4 6 and the downward extending direction of the end portion 1 346 is toward the extending portion 1 340. Please refer to the fifth figure, the left side view of the conductive terminal 1 It can be seen from this view that the guiding portion 13 44 is parallel to the projection of the extending portion 1 340 in the left view direction, but does not coincide with 0.

Referring to the sixth and seventh figures, the terminal 1 is received in the terminal receiving groove 24 of the insulative housing, and the base 1 of the conductive terminal 1 is tightly attached to a side wall of the terminal receiving groove 24, and the barb of the holding portion is barbed. The 丨〇 interferes with the side wall of the terminal receiving groove 24 to hold the terminal 1 in the terminal receiving groove 24, and the tail portion 12 of the conductive terminal 1 is soldered to the circuit board 4 through a solder ball 5, and the deflecting portion 1342 of the conductive terminal 1 extends. The upper surface of the insulating body is provided with a rib 2 between adjacent two longitudinal rows of conductive terminals 1. The end portion 1 3 4 6 of the conductive terminal 1 extends downward to the upper surface of the rib 26. It can be seen that the terminal 1 344 of the conductive terminal i in the rear terminal slot 24 extends after the terminal 1 is received in the terminal receiving groove 24 to the side of the adjacent front terminal slot 24 (on the upper and lower sides of the drawing) The direction is the front-rear direction), the guiding portion 1 344 and the adjacent front conductive terminal! The extension 134〇 is staggered. As can be seen from the sixth and seventh figures, the guiding portions 1 3 44 of the terminals 1 in the same longitudinal row (only one conductive terminal is drawn in each longitudinal row in the sixth drawing) are opposite to the corresponding extending portions 134.偏移 Offset to the same side by a certain distance. When the terminal 1 is pressed, the guiding portion 1 34 4 will simultaneously shift forward and downward, since the guiding portions 1 34 4 are both biased to one side with respect to the extending portion 1 3 4 0 . Therefore, when the guiding portion 1344 is forked, the guiding portion 1344 of the conductive terminal 1 in the one terminal slot 24 can be exactly shifted from the extending portion 134 of the conductive terminal 1 in the previous terminal slot 24. 5. Description of the invention (5) That is, when the one-substance is pressed, the guiding portion 1 344 of the adjacent conductive terminal 1 does not overlap with the extending portion 1340 in the vertical direction (the pressing direction when the terminal 1 is pressed is the vertical direction), thereby effectively avoiding the adjacent The extension 134 of the terminal 1 is phased to cause a short circuit. On the other hand, since the end portion 1346 of the conductive terminal extends below the upper surface of the ridge 26, the electrical connector is transported and used, and the portion 1 346 is hooked on other objects to cause damage to the terminal. In view of the above, the present invention has indeed met the requirements of the invention and has been applied in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and those skilled in the art to which the present invention is based, in accordance with the spirit of the present invention, should be included in the following claims. > $decoration or 1275217 Schematic description of the diagram. [Simple diagram of the diagram] · The first diagram is a schematic diagram of the electrical terminal of the conventional electrical connector before the electrical contact with the wafer module. . The second figure is a schematic view of the electrical terminals of the conventional electrical connector after being electrically contacted with the wafer module. The third figure is a perspective view of the conductive terminals of the electrical connector of the present invention. The fourth figure is a front view of the conductive terminals of the electrical connector of the present invention. Figure 5 is a left side view of the conductive terminals of the electrical connector of the present invention. The sixth figure is a schematic view of the electrical connector of the electrical connector of the present invention after being electrically contacted with the wafer module. _ The seventh figure is a partial plan view of the electrical connector of the present invention. [Description of main components] Conductor terminal 1 Base 10 Holder 11 Barbs 110 Tail part 12 Elastic piece 13 Connection part 130 Support part 132 Elastic part 134 Extension part 1340 Deflection part 1342 Guide part 1344 End part 1346 Insulating body 22 Terminal housing Slot 24 rib 26 wafer weight group 3 conductor 30 circuit board 4 solder ball 5

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Claims (1)

1275217, 申申专利范围1. An electrical connector comprising: an insulative housing having a terminal receiving slot; an i-electric terminal in the terminal receiving slot, the conductive terminal being provided with: an elastic piece of the base' Support, since =. The elastic portion extending upwardly, the elastic portion includes an extension portion and a splicing portion, the guiding portion is only at a highest position of the elastic portion; and a deflecting portion is disposed between the white extending portion and the guiding portion, the deflection extending . The yoke is biased and extended so that the guiding portion is biased toward one side of the extending portion, and the guiding portion of the conductive terminal in one terminal slot extends to the side of the other terminal slot of the phase w, and the guiding portion is adjacent to the conductive portion The extension of the terminal is staggered, thereby effectively avoiding a short circuit caused by the contact portion contacting the extension portion of the adjacent terminal when the terminal is pressed. 2. The electrical connector of claim 1, wherein the guiding portion extends obliquely downward to form an end portion, and the extending direction of the end portion faces the elasticity ^: 3. As described in claim 1 The electrical connector has a rib between the adjacent two longitudinal rows of conductive terminals, and the end of the end is below the upper surface of the ridge. The electrical connector of claim 1, wherein the elastic piece is vertically connected to the base through a connecting portion. 5. The electrical connector of claim 4, wherein one end of the base portion is extended with a retaining portion, and the end of the retaining portion is horizontally bent to form a tail portion. / Page 13 1275217 A patent application scope 6 · As mentioned in the scope of application of the fifth section of the electrical connector, the opposite sides of the holding portion are barbed to interfere with the terminal valley groove. 7 - an electrical connector, comprising: an insulating body having a terminal receiving groove; a conductive terminal received in the terminal receiving groove, the conductive terminal comprising: a base; an elastic piece connected to the base, the elastic piece The utility model further includes a supporting portion, an elastic portion extending upward from the supporting portion, the elastic portion comprising an extending portion and a guiding portion; Wherein the 'elastic sheet is vertically connected to the base through a connecting portion, and a deflecting portion is disposed between the extending portion and the guiding portion, and the deflecting portion is offset from one end of the protruding portion so that the guiding portion is biased toward one of the extending portions When the & sub-pressure is pressed, the guiding portion is staggered from the protruding portion of the adjacent conductive terminal, thereby effectively preventing the contact portion of the guiding portion from contacting the extension portion of the δ + 2 mesh adjacent terminal when the terminal is pressed. Short circuit. /Λ Λ11® The electrical connector of item 7, wherein the one end of the terminal is extended to the upper side of the adjacent other terminal slot. 9 • If there is a convex strip between the row of conductive terminals as described in item 8 of the patent application. ', the electrical connector, wherein the ends of the adjacent two longitudinal ends are on the ribs Page 14