# US 7,612,440 B2 · Package for an integrated circuit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,612,440 B2 - Document ID: US7612440B2 - Status: Granted - Kind: B2 - Application number: 11/436,729 - Filed: 2006-05-17 - Published: 2006-11-23 - Granted: 2009-11-03 - Earliest claimed: 2005-05-18 - Assignees: Texas Instruments Incorporated - Inventors: Paul L. Rancuret; John T McKinley - Web page: https://patentgrep.com/patent/US7612440B2 ## CPC - H10W 40/611: {Bolts or screws} - H10W 40/235: {attached to package parts} - H10W 40/237: {attached to additional arrangements for cooling} - H10W 40/60: Securing means for detachable heating or cooling arrangements, e.g. clamps - H10W 40/625: {Clamping parts not primarily conducting heat} - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract According to various illustrative embodiments of the present invention, a device for an integrated circuit includes a monolithic frame having a plurality of alignment features disposed thereon, the monolithic frame having a mounting surface disposed thereon for the integrated circuit, the monolithic frame also having a thermal interface area disposed thereon for the integrated circuit. The device also includes an electrical interface capable of providing an electrical connection for the integrated circuit, the plurality of alignment features being substantially independent of the electrical interface, and an adhesive layer disposed between the monolithic frame and the electrical interface. ## Claims ### Claim 1 A device for an integrated circuit, the device comprising: a monolithic frame having a plurality of alignment features disposed thereon, the monolithic frame having a mounting surface disposed thereon for the integrated circuit, the monolithic frame also having a thermal interface area disposed thereon for the integrated circuit; an electrical interface capable of providing an electrical connection for the integrated circuit, the plurality of alignment features being substantially independent of the electrical interface; and an adhesive layer disposed between the monolithic frame and the electrical interface. ### Claim 2 (depends on 1) The device of claim 1, wherein the electrical interface comprises a printed circuit board and a pin field sub-assembly, with the printed circuit board disposed between the adhesive layer and the pin field sub-assembly. ### Claim 3 (depends on 2) The device of claim 2, wherein the pin field sub-assembly comprises a plurality of electrical connection pins that are capable of mating with a corresponding plurality of system socket pins. ### Claim 4 (depends on 2) The device of claim 2, wherein the pin field sub-assembly comprises a plurality of electrical connection pins that are capable of mating with a corresponding plurality of system socket pins, and pin-guard features providing increased mechanical protection to the plurality of electrical connection pins. ### Claim 5 (depends on 2) The device of claim 2, wherein the pin field sub-assembly comprises a plurality of electrical connection pins that are capable of mating with a corresponding plurality of system socket pins, and at least one orientation keying feature, wherein the at least one orientation keying feature is capable of indicating and dictating a proper rotation orientation between the electrical interface and a corresponding mating system electrical socket. ### Claim 6 (depends on 2) The device of claim 2, wherein the pin field sub-assembly comprises a plurality of electrical connection pins that are capable of mating with a corresponding plurality of system socket pins, and at least one alignment feature, wherein the at least one alignment feature is capable of aligning each of the plurality of electrical connection pins with each of the corresponding plurality of system socket pins to decrease mechanical damage to the plurality of electrical connection pins during insertion into the corresponding plurality of system socket pins. ### Claim 7 (depends on 1) The device of claim 1, wherein the electrical interface comprises a printed circuit board and a mechanical compression interface, with the printed circuit board disposed between the adhesive layer and the mechanical compression interface. ### Claim 8 (depends on 7) The device of claim 7, wherein the mechanical compression interface comprises at least one orientation keying feature, wherein the at least one orientation keying feature is capable of indicating and dictating a proper rotation orientation between the electrical interface and a corresponding mating system printed circuit board. ### Claim 9 (depends on 7) The device of claim 7, wherein the mechanical compression interface comprises at least one alignment feature, wherein the at least one alignment feature is capable of aligning the electrical interface and a corresponding mating system printed circuit board to decrease mechanical damage to the electrical interface during compression of the mechanical compression. ### Claim 10 (depends on 1) The device of claim 1, wherein the electrical interface comprises a system printed circuit board, with the adhesive layer disposed between the monolithic frame and the system printed circuit board. ### Claim 11 (depends on 1) The device of claim 1, wherein the electrical interface comprises a flexible printed circuit board, with the adhesive layer disposed between the monolithic frame and the flexible printed circuit board. ### Claim 12 (depends on 1) The device of claim 1, wherein the monolithic frame is capable of providing front-side cooling. ### Claim 13 (depends on 1) The device of claim 1, wherein the monolithic frame comprises at least one of unplated powdered metal Kovar, alloy-42, aluminum silicon carbide, and ceramic, having a coefficient of thermal expansion substantially matched to the integrated circuit (IC) mounted to the monolithic frame. ### Claim 14 (depends on 1) The device of claim 1, wherein the adhesive layer comprises at least one of a conductive adhesive and a non-conductive adhesive, the adhesive layer having an optimized thickness, an optimized modulus, and an optimized coefficient of thermal expansion between the monolithic frame and the electrical interface. ### Claim 15 (depends on 1) The device of claim 1, wherein the adhesive layer comprises a conductive adhesive, the adhesive layer having an optimized thickness, an optimized modulus, and an optimized coefficient of thermal expansion between the monolithic frame and the electrical interface, the conductive adhesive forming an electrical connection between the monolithic frame and a ground of the electrical interface. ### Claim 16 (depends on 1) The device of claim 1, wherein the adhesive layer comprises at least one of a conductive high-viscosity adhesive gap filler and a non-conductive high-viscosity adhesive gap filler between the monolithic frame and the electrical interface. ### Claim 17 (depends on 1) The device of claim 1, wherein the adhesive layer comprises at least one of a conductive high-viscosity adhesive gap filler and a non-conductive high-viscosity adhesive gap filler between the monolithic frame and the electrical interface, the conductive high-viscosity adhesive gap filler forming an electrical connection between the monolithic frame and a ground of the electrical interface. ### Claim 18 (depends on 1) The device of claim 1, wherein the adhesive layer comprises a non-conductive adhesive having an optimized thickness, an optimized modulus, and an optimized coefficient of thermal expansion between the monolithic frame and the electrical interface, and a conductive high-viscosity adhesive gap filler between the monolithic frame and the electrical interface, the conductive high-viscosity adhesive gap filler forming an electrical connection between the monolithic frame and a ground of the electrical interface. ### Claim 19 (depends on 1) The device of claim 1, wherein the adhesive layer comprises a conductive adhesive having an optimized thickness, an optimized modulus, and an optimized coefficient of thermal expansion between the monolithic frame and the electrical interface, and a non-conductive high-viscosity adhesive gap filler between the monolithic frame and the electrical interface, the conductive adhesive forming an electrical connection between the monolithic frame and a ground of the electrical interface. ### Claim 20 (depends on 1) The device of claim 1, wherein the adhesive layer comprises a first portion of conductive adhesive and a second portion of non-conductive adhesive having an optimized thickness, an optimized modulus, and an optimized coefficient of thermal expansion between the monolithic frame and the electrical interface, the first portion of conductive adhesive forming an electrical connection between the monolithic frame and a ground of the electrical interface.