Patent ID: 7903420

Claim:
A fixing structure for fixing a thermal module on a chip of a printed circuit board (PCB), wherein a plurality of studs and a positioning post are extending from a back plate and assembled on the printed circuit board to receive screws respectively, and the fixing structure comprises: a fixing board having a plurality of elastic strips, a plurality of screw holes, and a spacing hole, wherein the screw holes are disposed in the elastic strips respectively, and the spacing hole is disposed in one of the elastic strips and close to the screw hole thereon; wherein the positioning post has two portions, the two portions are a first portion and a second portion, the diameter of the first portion of the positioning post is greater than the diameter of the spacing hole, and the diameter of the second portion of the positioning post is less than the diameter of the spacing hole; wherein when the fixing board is positioned on the studs and positioning post via the screw holes and the spacing hole, the screws pass through the screw holes and the spacing hole to fix the fixing board on the thermal module and the chip.