# US 11,452,208 B2 · Electronic devices packaged on wing boards > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,452,208 B2 - Document ID: US11452208B2 - Status: Granted - Kind: B2 - Application number: 16/487,249 - Filed: 2017-02-24 - Published: 2020-12-03 - Granted: 2022-09-20 - Earliest claimed: 2017-02-24 - Assignees: Hewlett Packard Enterprise Development LP - Applicants: Hewlett Packard Enterprise Development LP - Inventors: Kevin Leigh; John Norton; George D. Megason - Web page: https://patentgrep.com/patent/US11452208B2 ## CPC - H05K 1/148: {Arrangements of two or more hingeably connected rigid printed circuit boards, i.e. connected by flexible means} - G06F 1/186: Securing of expansion boards in correspondence to slots provided at the computer enclosure - G06F 1/3296: by lowering the supply or operating voltage - G06F 13/4068: {Electrical coupling} - H05K 1/0281: {Reinforcement details thereof} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H10W 40/47: by flowing liquids, e.g. forced water cooling - H10W 90/00: Package configurations - H05K 2201/10159: Memory - H10W 40/641: {Snap-on arrangements, e.g. clips} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract Example implementations relate to an electronic device packaged on a wing board. For example, an implementation includes a base board having a planar signal interface to couple parallelly to a signal interface segment of a system board. The example implementation also includes a plurality of wing boards to scale in a direction perpendicular to a plane of the base board. An electronic device is packaged on each of the wing boards. A flexible circuit flexibly links at least one of the wing boards to the base board and has a signal path to communicatively couple the planar signal interface and an electronic device packaged the wing board. ## Claims ### Claim 1 A system comprising: a system board having a plurality of signal interface segments; and a plurality of interchangeable three-dimensionally (3-D) scalable modules, each of the scalable modules including: a planar signal interface to parallelly couple to a signal interface segment of the signal interface segments of the system board, a base board that retains the planar signal interface, a wing board, an electronic device packaged on the wing board, and a flexible circuit being a flexible linkage between the base board and the wing board, the flexible circuit having a signal path to communicatively couple the electronic device and the planar signal interface, wherein at least some of the scalable modules have different numbers of planar signal interfaces to removably couple to different numbers of the signal interface segments. ### Claim 2 (depends on 1) The system of claim 1, wherein the electronic device includes memory, a system on chip, an encryption processor, a computing processor, or a graphics processing unit. ### Claim 3 (depends on 1) The system of claim 1, wherein at least one of the scalable modules includes liquid cooling plates interleaved with wing boards of the at least one of the 3-D scalable modules, and the liquid cooling plates includes a main cooling plate in thermal contact with a base board of the at least one of the scalable modules. ### Claim 4 (depends on 1) The system of claim 1, wherein the scalable modules are hot-pluggable and front-serviceable to an electronic system in which the system board is installed. ### Claim 5 (depends on 1) The system of claim 1, wherein the scalable modules are hot-pluggable and top-serviceable to an electronic system in which the system board is installed. ### Claim 6 (depends on 1) The system of claim 1, wherein the planar signal interface includes an optical interface. ### Claim 7 (depends on 1) The system of claim 1, wherein at least one of the scalable modules includes two planar signal interfaces to parallelly couple to two signal interface segments of the system board, a first planar signal interface of the two planar signal interfaces is an optical interface, and a second planar signal interface of the two planar signal interfaces is an electrical interface. ### Claim 8 (depends on 1) The system of claim 1, wherein at least one of the scalable modules includes a single base board having more than one planar signal interface that couples to more than one signal interface segment of the system board. ### Claim 9 (depends on 1) The system of claim 1, wherein at least one of the scalable modules includes a plurality of wing boards that scale dimensionally in a direction perpendicular to a plane of a base board of the at least one of the scalable modules. ### Claim 10 An apparatus comprising: a base board having a planar signal interface to couple parallelly to a selectable number of signal interface segments of a system board; a plurality of wing boards to scale in a direction perpendicular to a plane of the base board; an electronic device packaged on each of the wing boards; and a flexible circuit being non-removably integral to the base board and non-removably integral to at least one of the wing boards, the at least one of the wing boards flexibly linked to the base board via the flexible circuit, and the flexible circuit having a signal path to communicatively couple the planar signal interface and an electronic device packaged on the at least one of the wing boards. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the electronic device includes memory, a system on chip, an encryption processor, a computing processor, or a graphics processing unit. ### Claim 12 (depends on 10) The apparatus of claim 10, wherein the flexible circuit forms part of a lamination of the base board and part of a lamination of the at least one of the wing boards. ### Claim 13 (depends on 10) The apparatus of claim 10, wherein the base board and the plurality of wing boards are packaged in a hot-pluggable and front-serviceable electronic system module. ### Claim 14 (depends on 10) The apparatus of claim 10, further comprising a support block, wherein the plurality of wing boards includes a first wing board and a second wing board, the first wing board being the at least one of the wing boards flexibly linked to the base board via the flexible circuit, the second wing board being flexibly linked to the first wing board by another flexible circuit, and the base board, the first wing board, and the second wing board wrap around the support block. ### Claim 15 (depends on 10) The apparatus of claim 10, wherein each of the plurality of wing boards is coupled to the base board by a respective flexible circuit, and the wing boards are stacked in parallel to the base board. ### Claim 16 (depends on 10) The apparatus of claim 10, wherein each of the plurality of wing boards is coupled to the base board by a respective flexible circuit, each of the plurality of wing boards is parallel to each other, and the wing boards are perpendicular to the plane of the base board. ### Claim 17 (depends on 10) The apparatus of claim 10, further comprising thermal management elements interleaved with the plurality of wing boards. ### Claim 18 (depends on 10) The apparatus of claim 10, further comprising another electronic device packaged on the base board.