# US 8,570,745 B2 · Electrical connector assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,570,745 B2 - Document ID: US8570745B2 - Status: Granted - Kind: B2 - Application number: 13/310,101 - Filed: 2011-12-02 - Published: 2013-03-28 - Granted: 2013-10-29 - Earliest claimed: 2011-09-26 - Assignees: Lotes Co., Ltd - Applicants: Ted Ju; Chin Chi Lin - Inventors: Ted Ju; Chin Chi Lin - Web page: https://patentgrep.com/patent/US8570745B2 ## CPC - H10W 40/10: Arrangements for heating - H05K 1/141: {One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters (H05K1/142 and H05K1/147 take precedence)} - H10W 70/65: Shapes or dispositions of interconnections - H05K 1/117: {Pads along the edge of rigid circuit boards, e.g. for pluggable connectors} - H05K 3/368: {parallel to each other (H05K3/361 takes precedence)} - H05K 2201/048: Second PCB mounted on first PCB by inserting in window or holes of the first PCB - H05K 2201/049: PCB for one component, e.g. for mounting onto mother PCB - H05K 2201/10477: Inverted - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract The invention relates to an electrical connector assembly. The electrical connector assembly includes a main circuit board having a through hole, a processor, and an auxiliary circuit board. The processor includes a chip and a substrate. The chip is electrically connected to the substrate and located in the through hole. The substrate is at least partially located in the through hole. The auxiliary circuit board has a transitional connecting surface. A first conducting region and a second conducting region electrically connected to each other are disposed on the transitional connecting surface. The first conducting region is electrically connected to the substrate, and the second conducting region is electrically connected to the main circuit board. ## Claims ### Claim 1 An electrical connector assembly, comprising: (a) a main circuit board, having a through hole formed through the main circuit board; (b) a processor, comprising a chip and a substrate, wherein the chip is electrically connected to the substrate and located in the through hole, and the substrate is at least partially located in the through hole; and (c) an auxiliary circuit board, having a transitional connecting surface, wherein a first conducting region and a second conducting region electrically connecting to each other are disposed on the transitional connecting surface, the first conducting region is electrically connected to the substrate, and the second conducting region is electrically connected to the main circuit board. ### Claim 2 (depends on 1) The electrical connector assembly according to claim 1, wherein the substrate has a first conducting surface and a second conducting surface disposed opposite to each other, the first conducting surface is electrically connected to the chip, and a plurality of contact members is disposed on the second conducting surface and electrically connected to the first conducting region of the auxiliary circuit board. ### Claim 3 (depends on 2) The electrical connector assembly according to claim 2, wherein the contact members are arranged on the second conducting surface in a matrix. ### Claim 4 (depends on 1) The electrical connector assembly according to claim 1, wherein the thickness of the auxiliary circuit board is smaller than that of the main circuit board. ### Claim 5 (depends on 1) The electrical connector assembly according to claim 1, wherein the main circuit board has an upper surface and a lower surface disposed opposite to each other, and the second conducting region of the auxiliary circuit board is electrically connected to the lower surface of the main circuit board. ### Claim 6 (depends on 5) The electrical connector assembly according to claim 5, wherein the chip has a top surface located in the through hole and not exceeding the upper surface of the main circuit board. ### Claim 7 (depends on 1) The electrical connector assembly according to claim 1, wherein the main circuit board has an upper surface and a lower surface disposed opposite to each other, and the second conducting region of the auxiliary circuit board is electrically connected to the upper surface of the main board. ### Claim 8 (depends on 7) The electrical connector assembly according to claim 7, wherein the chip has a bottom surface located in the through hole and not exceeding the lower surface of the main circuit board. ### Claim 9 (depends on 1) The electrical connector assembly according to claim 1, wherein the main circuit board is connected and fixed to the auxiliary circuit board through a fixing member. ### Claim 10 (depends on 1) The electrical connector assembly according to claim 1, wherein the processor further comprises a metal shell at least partially located in the through hole and covering the chip. ### Claim 11 (depends on 1) The electrical connector assembly according to claim 1, wherein a heat dissipation device is disposed on one side of the main circuit board to contact the processor. ### Claim 12 (depends on 11) The electrical connector assembly according to claim 11, wherein the heat dissipation device at least partially enters the through hole. ### Claim 13 (depends on 1) The electrical connector assembly according to claim 1, wherein the main circuit board is recessed with a groove in lateral communication with the through hole, and the auxiliary circuit board at least partially enters the groove and is electrically connected to the main circuit board.