| 摘要 |
The present invention discloses a contact structure and method for burn-in testing. The structure comprises a print circuit board, metal solder join fixed to the print circuit board, and contact fixed plate. The contact metal springs are located on the metal solder join and contacted with contact metal balls. The metal solder join is located on the contact fixed plate. Between the contact metal balls and the contact metal springs keep an approximately constant pressure and self-alignment by using the surface of the fixed plate contacting with the surface of the ball grid array (BGA) package.
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