Granted Patent B2

US 7,035,113 · App. 10/394,107 · Granted Apr 25, 2006

Abstract

Claims (67)

1. A multi-chip electronic package comprising:

an organic, laminate chip carrier including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material, said chip carrier including a plurality of electrical contacts on a first surface thereof and a plurality of electrical conductors on a second surface thereof, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors; and

a plurality of semiconductor chips spacedly positioned on said first surface of said organic, laminate chip carrier and electrically coupled to selected ones of said electrical contacts so as to be coupled to said selected ones of said electrical conductors, said plurality of semiconductor chips each being oriented substantially perpendicular to said first surface of said organic, laminate chip carrier.

2. The package of claim 1 wherein selected ones of said electrical contacts are electrically coupled to other selected ones of said electrical contacts such that selected ones of said semiconductor chips are electrically coupled to one another.

3. The package of claim 1 wherein said plurality of semiconductor chips are substantially parallel to one another.

4. The package of claim 1 further including a quantity of encapsulant material located on said first surface of said organic, laminate chip carrier and substantially surrounding said plurality of semiconductor chips.

5. The package of claim 1 further including a heat-sinking cover member positioned substantially over said plurality of semiconductor chips and in thermal contact therewith.

6. The package of claim 1 further including a stiffener member positioned on said first surface of said organic, laminate chip carrier and spacedly positioned about said plurality of semiconductor chips.

7. The package of claim 6 further including a heat-sinking member for removing heat generated by said semiconductor chips during operation thereof.

8. The package of claim 7 further including a heat-sinking cover member positioned over said plurality of semiconductor chips, said heat-sinking member being positioned on said heat sinking cover member.

9. The package of claim 1 wherein said organic, laminate chip carrier includes a thermally conductive member therein and a plurality of solder elements coupling said plurality of semiconductor chips to said electrical contacts on said first surface of said organic, laminate chip carrier, said thermally conductive member having a selected thickness and coefficient of thermal expansion to substantially prevent failure of said electrical couplings formed by said solder elements on said electrical contacts.

10. The package of claim 9 wherein said thermally conductive member is comprised of a first layer of copper, a second layer of an iron alloy and a third layer of copper.

11. The package of claim 1 wherein said organic, laminate chip carrier includes a first multilayered portion including at least one dielectric layer and at least one conductive plane wherein said conductive plane includes signal lines capable of having signals pass there-along at a first frequency and a second multilayered portion bonded to said first multilayered portion and adapted for having said plurality of semiconductor chips coupled thereto, said second multilayered portion including at least one dielectric layer and at least one conductive signal plane wherein said conductive signal plane of said second multilayered portion includes signal lines capable of having signals pass there-along at a higher frequency than said first frequency to thereby provide a high speed connection between said plurality of semiconductor chips.

12. The package of claim 11 wherein said second multilayered portion includes a conducting plane, first and second dielectric layers on opposite sides of said conducting plane, and the number of conductive signal planes is two, each conductive signal plane including said signal lines capable of having signals pass there-along and being positioned on a respective one of said first and second dielectric layers opposite said conducting plane.

13. The package of claim 12 wherein said second multilayered portion further includes a conductive through hole interconnecting at least one of said signal lines of said conductive signal plane on said first dielectric layer with at least one of said signal lines of said conductive signal plane on said second dielectric layer.

14. The package of claim 1 wherein said organic, laminate chip carrier includes an internal capacitor therein.

15. A multi-chip electronic package comprising:

an organic, laminate chip carrier including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material, said chip carrier including a plurality of electrical contacts on a first surface thereof and a plurality of electrical conductors on a second surface thereof, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors;

a plurality of semiconductor chips spacedly positioned on said first surface of said organic, laminate chip carrier and electrically coupled to selected ones of said electrical contacts so as to be coupled to said selected ones of said electrical conductors;

a stiffener member positioned on said first surface of said organic, laminate chip carrier and spacedly positioned about said plurality of semiconductor chips;

a heat-sinking cover member positioned over said plurality of semiconductor chips; and

a heat-sinking member positioned on said heat-sinking cover member for removing heat generated by said semiconductor chips during operation thereof.

16. The package of claim 15 wherein selected ones of said electrical contacts are electrically coupled to other selected ones of said electrical contacts such that selected ones of said semiconductor chips are electrically coupled to one another.

17. The package of claim 15 further including a quantity of encapsulant material located on said first surface of said organic, laminate chip carrier and substantially surrounding said plurality of semiconductor chips.

18. The package of claim 15 wherein said organic, laminate chip carrier includes a thermally conductive member therein and a plurality of solder elements coupling said plurality of semiconductor chips to said electrical contacts on said first surface of said organic, laminate chip carrier, said thermally conductive member having a selected thickness and coefficient of thermal expansion to substantially prevent failure of said electrical couplings formed by said solder elements on said electrical contacts.

19. The package of claim 18 wherein said thermally conductive member is comprised of a first layer of copper, a second layer of an iron alloy and a third layer of copper.

20. The package of claim 15 wherein said organic, laminate chip carrier includes a first multilayered portion including at least one dielectric layer and at least one conductive plane wherein said conductive plane includes signal lines capable of having signals pass there-along at a first frequency and a second multilayered portion bonded to said first multilayered portion and adapted for having said plurality of semiconductor chips coupled thereto, said second multilayered portion including at least one dielectric layer and at least one conductive signal plane wherein said conductive signal plane of said second multilayered portion includes signal lines capable of having signals pass there-along at a higher frequency than said first frequency to thereby provide a high speed connection between said plurality of semiconductor chips.

21. The package of claim 20 wherein said second multilayered portion includes a conducting plane, first and second dielectric layers on opposite sides of said conducting plane, and the number of conductive signal planes is two, each conductive signal plane including said signal lines capable of having signals pass there-along and being positioned on a respective one of said first and second dielectric layers opposite said conducting plane.

22. The package of claim 21 wherein said second multilayered portion further includes a conductive through hole interconnecting at least one of said signal lines of said conductive signal plane on said first dielectric layer with at least one of said signal lines of said conductive signal plane on said second dielectric layer.

23. The package of claim 15 wherein said plurality of semiconductor chips are oriented in a substantially coplanar orientation on said first surface of said organic, laminate chip carrier.

24. The package of claim 15 wherein said organic, laminate chip carrier includes an internal capacitor therein.

25. A method of making a multi-chip electronic package comprising:

providing an organic, laminate chip carrier having first and second surfaces and including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material;

providing a plurality of electrical contacts on said first surface of said organic, laminate chip carrier;

providing a plurality of electrical conductors on said second surface of said organic, laminate chip carrier, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors; and

spacedly positioning a plurality of semiconductor chips on said first surface of said organic, laminate chip carrier such that each of said semiconductor chips is oriented substantially perpendicular to said first surface of said organic, laminate chip carrier, and electronically coupling said plurality of semiconductor chips to said selected ones of said electrical contacts such that said plurality of semiconductor chips are electrically coupled to selected ones of said electrical conductors on said second surface of said laminate chip carrier.

26. The method of claim 25 wherein said electrically coupling of said plurality of semiconductor chips is achieved using a first plurality of solder members.

27. The method of claim 26 further including electrically coupling a second plurality of solder members to said selected ones of said electrical conductors, said solder members adapted for electrically coupling said selected ones of said electrical conductors to respective conductors on a circuitized substrate.

28. A method of making a multi-chip electronic package comprising:

providing an organic, laminate chip carrier having first and second surfaces and including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material;

providing a plurality of electrical contacts on said first surface of said organic, laminate chip carrier;

providing a plurality of electrical conductors on said second surface of said organic, laminate chip carrier, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors;

spacedly positioning a plurality of semiconductor chips on said first surface of said organic laminate chip carrier and electronically coupling said plurality of semiconductor chips to said selected ones of said electrical contacts such that said plurality of semiconductor chips are electrically coupled to selected ones of said electrical conductors on said second surface of said laminate chip carrier;

positioning a stiffener member on said first surface of said organic, laminate chip carrier such that said stiffener member is spacedly positioned about said plurality of semiconductor chips;

positioning a heat-sinking cover member over said plurality of semiconductor chips; and

positioning a heat-sinking member on said heat-sinking cover member, said heat-sinking member removing heat generated by said semiconductor chips during operation thereof.

29. The method of claim 28 wherein said electrically coupling of said plurality of semiconductor chips is achieved using a first plurality of solder members.

30. The method of claim 29 further including electrically coupling a second plurality of solder members to said selected ones of said electrical conductors, said solder members adapted for electrically coupling said selected ones of said electrical conductors to respective conductors on a circuitized substrate.

31. A multi-chip electronic package assembly including:

a circuitized substrate including a plurality of electrically conductive members thereon;

an organic, laminate chip carrier including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material, said chip carrier including a plurality of electrical contacts on a first surface thereof and a plurality of electrical conductors on a second surface thereof, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors;

a plurality of semiconductor chips spacedly positioned on said first surface of said organic, laminate chip carrier and electrically coupled to selected ones of said electrical contacts so as to be coupled to said selected ones of said electrical conductors, said plurality of semiconductor chips each being oriented substantially perpendicular to said first surface of said organic, laminate chip carrier; and

a plurality of electrically conductive elements electrically connecting said selected ones of said electrical conductors on said second surface of said organic, laminate chip carrier to respective ones of said electrically conductive members on said circuitized substrate.

32. The assembly of claim 31 wherein said circuitized substrate comprises a printed circuit board.

33. The assembly of claim 31 wherein said plurality of electrically conductive elements comprises a plurality of solder members.

34. The assembly of claim 31 further including a first plurality of solder members electrically coupling said plurality of semiconductor chips to respective ones of said plurality of electrical contacts on said first surface of said laminate chip carrier.

35. A multi-chip electronic package assembly including:

a circuitized substrate including a plurality of electrically conductive members thereon;

an organic, laminate chip carrier including a plurality of electrically conductive planes spacedly positioned therein and separated by respective layers of dielectric material, said chip carrier including a plurality of electrical contacts on a first surface thereof and a plurality of electrical conductors on a second surface thereof, selected ones of said electrical contacts being electrically coupled to selected ones of said electrical conductors;

a plurality of semiconductor chips spacedly positioned on said first surface of said organic, laminate chip carrier and electrically coupled to selected ones of said electrical contacts so as to be coupled to said selected ones of said electrical conductors;

a stiffener member positioned on said first surface of said organic, laminate chip carrier and spacedly positioned about said plurality of semiconductor chips;

a heat-sinking cover member positioned over said plurality of semiconductor chips;

a heat-sinking member positioned on said heat-sinking cover member for removing heat generated by said semiconductor chips during operation thereof; and

a plurality of electrically conductive elements electrically connecting said selected ones of said electrical conductors on said second surface of said organic, laminate chip carrier to respective ones of said electrically conductive members on said circuitized substrate.

36. The assembly of claim 35 wherein said circuitized substrate is a printed circuit board.

37. The assembly of claim 35 wherein said plurality of electrically conductive elements comprises a plurality of solder members.

38. The assembly of claim 35 further including a first plurality of solder members electrically coupling said plurality of semiconductor chips to respective ones of said plurality of electrical contacts on said first surface of said laminate chip calmer.

Assignments (12)