# US 2025/0164718 A1 · Lid for optical packages > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0164718 A1 - Document ID: US20250164718A1 - Status: Published application - Kind: A1 - Application number: 18/631,558 - Filed: 2024-04-10 - Published: 2025-05-22 - Earliest claimed: 2023-11-17 - Assignees: Avago Technologies International Sales Pte. Limited - Applicants: Avago Technologies International Sales Pte. Limited - Inventors: David John Kenneth Meadowcroft; Seng-Kum Chan; Han Peng Goh; Gary Fong Kem Goon; Sheng Zhang; Jack YuChieh Chung - Web page: https://patentgrep.com/patent/US20250164718A1 ## CPC - G02B 6/426: {mounting, engaging or coupling of the package to a board, a frame or a panel} - G02B 6/4292: {the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements} - G02B 6/4242: {Mounting of the optical light guide to the lid of the package} - G02B 6/428: {containing printed circuit boards [PCB]} - G02B 6/4246: {Bidirectionally operating package structures} - G02B 6/4249: {comprising arrays of active devices and fibres} - G02B 6/4251: {Sealed packages (G02B6/4248 takes precedence)} - H05K 1/181: associated with surface mounted components - H05K 2201/10121: Optical component, e.g. opto-electronic component - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract Novel tools and techniques are provided for implementing a semiconductor package or a chip package, and more particularly methods, systems, and apparatuses are provided for implementing a semiconductor package or a chip package including an optical package or co-packaged optics package comprising a lid. In an embodiment, an optical package can include a first substrate, a first circuit coupled to the first substrate and configured to transmit or receive an electrical signal, a second circuit coupled to the first substrate and configured to transmit or receive an optical signal, and a lid configured to couple to the first substrate and configured to cover at least a portion of the first circuit or the second circuit. ## Claims ### Claim 1 An optical package comprising: a first substrate; a first circuit coupled to the first substrate and configured to transmit or receive an electrical signal; a second circuit coupled to the first substrate and configured to transmit or receive an optical signal; and a lid configured to couple to the first substrate and configured to cover at least one of a portion of the first circuit or a portion of the second circuit. ### Claim 2 (depends on 1) The optical package of claim 1, wherein the lid directly contacts at least one of the portion of the first circuit or the portion of the second circuit. ### Claim 3 (depends on 1) The optical package of claim 1, wherein the lid is configured to couple the optical package to a second substrate. ### Claim 4 (depends on 3) The optical package of claim 3, wherein the second substrate comprises a printed circuit board, and wherein the lid couples the optical package to the printed circuit board. ### Claim 5 (depends on 3) The optical package of claim 3, further comprising a connector between the first substrate and the second substrate, wherein the lid comprises a fastener configured to couple the lid to the second substrate, wherein the fastener is configured to provide a force to form a first connection between the first substrate and the connector and a second connection between the connector and the second substrate. ### Claim 6 (depends on 1) The optical package of claim 1, wherein the lid comprises an opening configured to receive a source configured to transmit or receive the optical signal, wherein the source is coupled to the second circuit. ### Claim 7 (depends on 6) The optical package of claim 6, wherein the lid further comprises a cover configured to cover the opening. ### Claim 8 (depends on 7) The optical package of claim 7, wherein at least a portion of a bottom surface of the cover comprises a material configured to form a seal surrounding the source as the source enters the opening. ### Claim 9 (depends on 1) The optical package of claim 1, wherein the lid comprises an opening configured to receive a source configured to transmit or receive the optical signal, wherein the source is coupled to the second circuit, wherein the opening is formed by a sidewall of the lid, two walls extending from the sidewall, and a bar extending between the two walls extending from the sidewall, and wherein a first material is attached to a top surface of the bar. ### Claim 10 (depends on 9) The optical package of claim 9, wherein the lid further comprises a cover configured to cover the opening, and wherein a second material is attached to at least a portion of a bottom surface of the cover, and wherein the second material is configured to contact the first material and form a seal surrounding the source as the source enters the opening. ### Claim 11 (depends on 1) The optical package of claim 1, wherein the lid comprises an opening configured to receive a source configured to transmit or receive the optical signal, wherein the source is coupled to the second circuit, and wherein the lid further comprises a protrusion comprising a first end coupled to and extending from a sidewall of the lid into the opening and a second end coupled to the second circuit. ### Claim 12 (depends on 11) The optical package of claim 11, wherein a width of the protrusion is about a same width as a width of the second circuit. ### Claim 13 (depends on 1) The optical package of claim 1, wherein a bottom surface of the lid comprises a bar configured to distribute a force of the lid over the first substrate. ### Claim 14 (depends on 13) The optical package of claim 13, wherein the bar is located between two second circuits. ### Claim 15 (depends on 1) The optical package of claim 1, wherein a bottom surface of the lid comprises a slanted surface and wherein the slanted surface is positioned over at least one of the first circuit or the second circuit. ### Claim 16 An optical system comprising: a first substrate; a second substrate; a connector between the first substrate and the second substrate configured to transmit a first signal between the first substrate and the second substrate; a circuit coupled to the first substrate and configured to at least one of transmit or receive an optical signal; and a lid configured to couple the first substrate to the second substrate and form a first connection between the first substrate and the connector and a second connection between the connector and the second substrate to transmit or receive the first signal between the first substrate and the second substrate, and wherein the lid is further configured to directly cover at least a portion of the circuit. ### Claim 17 (depends on 16) The optical system of claim 16, wherein the lid directly contacts the circuit. ### Claim 18 (depends on 16) The optical system of claim 16, wherein the second substrate comprises a printed circuit board. ### Claim 19 A lid for an optical package, the lid comprising: a body comprising an opening configured to receive a source configured to transmit or receive an optical signal; and a portion of a bottom surface of the body configured to directly cover at least a portion of a circuit coupled to the source and a first substrate; wherein the lid is further configured to couple the first substrate to a second substrate and provide a force to form a first connection between the first substrate and a connector and a second connection between the connector and the second substrate to transmit or receive a first signal between the first substrate and the second substrate. ### Claim 20 (depends on 19) The lid of claim 19, wherein the lid is formed from at least one of copper, zinc, aluminum, or ceramic.