Land grid array (LGA) socket loading mechanism for mobile platforms
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-013/00
출원번호
UP-0769430
(2007-06-27)
등록번호
US-7766691
(2010-08-24)
발명자
/ 주소
Pandey, Vinayak
Wang, Mingji
출원인 / 주소
Intel Corporation
대리인 / 주소
Kacvinsky LLC
인용정보
피인용 횟수 :
10인용 특허 :
18
초록▼
Techniques for a land grid array (LGA) socket loading mechanism for mobile platforms are described. An apparatus includes a LGA socket mounted to a printed circuit board, and an LGA package seated in the LGA socket. The LGA package includes an LGA package substrate and a semiconductor die mounted on
Techniques for a land grid array (LGA) socket loading mechanism for mobile platforms are described. An apparatus includes a LGA socket mounted to a printed circuit board, and an LGA package seated in the LGA socket. The LGA package includes an LGA package substrate and a semiconductor die mounted on the LGA package substrate, and a heat pipe attached to the semiconductor die, wherein the heat pipe is to apply a compressive load to the semiconductor die. The heat pipe includes at least two leaf springs to apply a compressive load to the LGA package substrate. Other embodiments are described and claimed.
대표청구항▼
We claim: 1. A method comprising: applying a first compressive load directly to a top surface of a die mounted on a land grid array (LGA) package substrate through a conductive plate attached to one end of a heat pipe wherein the conductive plate directly contacts the top surface of the die; and ap
We claim: 1. A method comprising: applying a first compressive load directly to a top surface of a die mounted on a land grid array (LGA) package substrate through a conductive plate attached to one end of a heat pipe wherein the conductive plate directly contacts the top surface of the die; and applying a second compressive load directly to a top surface of the LGA package substrate with at least two leaf springs on a bottom surface of the conductive plate of the heat pipe in direct contact with the top surface of the LGA package substrate such that the second compressive load has a greater magnitude than the first compressive load based on two distinct applied forces. 2. The method of claim 1, wherein applying the first compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe the top surface of the die using screws. 3. The method of claim 1, wherein the first compressive load has a magnitude of between 10 and 30 lbf. 4. The method of claim 3, wherein the second compressive load has a magnitude of between 60 and 90 lbf. 5. The method of claim 1, wherein applying the first compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe to the top surface of the die using a lever actuated loading mechanism. 6. The method of claim 5, wherein the lever actuated loading mechanism includes a lever to rotate on an axis, the lever having a loading portion to contact a top surface of the conductive plate. 7. An apparatus comprising: a land grid array (LGA) socket mounted to a printed circuit board; an LGA package seated in the LGA socket, the LGA package including an LGA package substrate and a semiconductor die mounted on the LGA package substrate; and a heat pipe attached to the semiconductor die, wherein the heat pipe includes a conductive plate that applies a first compressive load directly to the semiconductor die, and wherein the conductive plate of the heat pipe includes at least two leaf springs which apply a second compressive load directly to the LGA package substrate, wherein the second compressive load applied to the LGA package substrate has a greater magnitude than the first compressive load applied to the semiconductor die based on a compression of the leaf springs. 8. The apparatus of claim 7, wherein the compressive force applied to the semiconductor die by the conductive plate has a magnitude of between 10 and 30 lbf and the compressive force applied by the leaf springs to the LGA package substrate has a magnitude of between 60 and 90 lbf. 9. The apparatus of claim 7, further comprising a back plate mounted to a back side of the printed circuit board below the LGA socket. 10. The apparatus of claim 9, wherein a lever actuated loading mechanism is coupled to the printed circuit board and to the heat pipe, and is to apply a load to the heat pipe. 11. The apparatus of claim 9, wherein the heat pipe, the printed circuit board, and the back plate are coupled together using a plurality of fasteners. 12. The apparatus of claim 11, wherein the plurality of fasteners are a plurality of screws. 13. An apparatus comprising: a land grid array (LGA) socket mounted to a printed circuit board; an LGA package seated in the LGA socket, the LGA package including an LGA package substrate and a semiconductor die mounted on the LGA package substrate; and a heat pipe mounted above the LGA socket, the heat pipe includes a conductive plate at one end of the heat pipe and at least two leaf springs on a bottom surface of the conductive plate, the conductive plate applies a compressive load directly to the semiconductor die and the at least two leaf springs apply a compressive force directly to a top surface of the LGA package substrate, wherein the compressive force applied to the LGA package substrate has a greater magnitude than the compressive load applied to the semiconductor die based on a compression of the leaf springs. 14. The apparatus of claim 13, wherein the compressive force applied to the semiconductor die by the conductive plate has a magnitude of between 10 and 30 lbf and the compressive force applied by the leaf springs to the LGA package substrate has a magnitude of between 60 and 90 lbf. 15. The apparatus of claim 13, wherein applying the compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe the top surface of the die using screws. 16. The apparatus of claim 13, wherein applying the compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe to the top surface of the die using a lever actuated loading mechanism. 17. The apparatus of claim 16, wherein the lever actuated loading mechanism includes a lever to rotate on an axis, the lever having a loading portion to contact a top surface of the conductive plate. 18. An apparatus comprising: a heat pipe including a conductive plate, wherein the conductive plate includes at least two springs attached to a bottom surface of the conductive plate, each of the at least two springs make contact with and apply a compressive load directly to a top surface of a land grid array (LGA) package substrate, and wherein a portion of the bottom surface of the conductive plate makes direct contact with and applies a compressive load to a top surface of a die mounted on the LGA package substrate, wherein the compressive load applied to the LGA package substrate has a greater magnitude than the compressive load applied to the die based on a compression of the leaf springs. 19. The apparatus of claim 18, wherein the at least two springs are leaf springs. 20. The apparatus of claim 18, wherein the compressive force applied to the semiconductor die by the conductive plate has a magnitude of between 10 and 30 lbf and the compressive force applied by the springs to the LGA package substrate has a magnitude of between 60 and 90 lbf. 21. The apparatus of claim 18, wherein applying the compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe the top surface of the die using screws. 22. The apparatus of claim 18, wherein applying the compressive load to the top surface of the die mounted on the LGA package substrate comprises attaching the conductive plate of the heat pipe to the top surface of the die using a lever actuated loading mechanism. 23. The apparatus of claim 18, wherein the lever actuated loading mechanism includes a lever to rotate on an axis, the lever having a loading portion to contact a top surface of the conductive plate.
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이 특허에 인용된 특허 (18)
Bodenweber,Paul; Long,David C.; Miller,Jason S.; Westerfield, Jr.,Robert P.; Yu,Yuet Ying, Apparatus for implementing a self-centering land grid array socket.
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French, Jr., Michael D.; Miller, Michael S.; Smith, Peter A.; Wormsbecher, Paul A., Dual force single point actuation integrated load mechanism for securing a computer processor to a socket.
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