Patent ID: 7815442
Filing Date: 2010-10-19
Classification: G01R,H01R,H05K

Abstract:
1. A burn-in socket for electrical connecting with package with solder balls, comprising: a base; and a plurality of contacts received in the base and each comprising a spring section movable in the base, a contact section extending upwardly from the spring section and a retention section extending downwardly from the spring section, the contact section including a solder-cup defined by three tips of the contacts for substantially receiving portion of solder ball therein, the tips contacting with the solder ball simultaneously, wherein the three tips are first, second an third tip; and wherein the second and third tip are bent from the first tip and located at opposite sides of the first tip, wherein the first tip forms two contact points contacting with the solder ball, and the second and third tips each form a contact points contacting with the solder ball, wherein the base comprises a main body, a positioning plate, and a clip plate; and the main body defines a receiving space for receiving the positioning plate and the clip plate therein, wherein the spring section includes a top arm, a bottom arm, and an arc connecting section located between the top and bottom arm thereby providing a vertical movement of the contact.