# US 10,120,147 B2 · Method of fabricating optical communication apparatus, optical connecting part, optical communication apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,120,147 B2 - Document ID: US10120147B2 - Status: Granted - Kind: B2 - Application number: 15/636,040 - Filed: 2017-06-28 - Published: 2017-10-19 - Granted: 2018-11-06 - Earliest claimed: 2015-11-02 - Assignees: Sumitomo Electric Industries, Ltd. - Applicants: Sumitomo Electric Industries, Ltd. - Inventors: Akira Furuya - Web page: https://patentgrep.com/patent/US10120147B2 ## CPC - G02B 6/421: {the intermediate optical component consisting of a short length of fibre, e.g. fibre stub} - G02B 6/3652: {the additional structures being prepositioning mounting areas, allowing only movement in one dimension, e.g. grooves, trenches or vias in the microbench surface, i.e. self aligning supporting carriers} - G02B 6/3886: {Magnetic means to align ferrule ends} - G02B 6/4231: {with intermediate elements, e.g. rods and balls, between the elements} - G02B 6/4239: {Adhesive bonding; Encapsulation with polymer material} - G02B 6/4244: {Mounting of the optical elements} - G02B 6/4249: {comprising arrays of active devices and fibres} - G02B 6/4292: {the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements} - G02B 6/44715: {Fan-out devices} - G02B 6/3839: {for a plurality of light guides} - G02B 6/3861: {Adhesive bonding (adhesives in general C09J)} - G02B 6/3885: {Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type (optical ribbon cable G02B6/4403, G02B6/448)} - G02B 6/44528: {Patch-cords; Connector arrangements in the system or in the box (routing arrangements H04Q1/00)} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A method for fabricating an optical transmitting apparatus includes steps of: preparing a temporary assembly including a stub device having an optical fiber, a magnetic guide member with a hole, and a holder, an optical connector, and an magnetic alignment member extending in a direction of an axis; applying a magnetic force to the alignment member of the temporary assembly with a magnet device of an electromagnet or a permanent magnet; carrying out optical alignment of the stub device with an optical device by active alignment, the stub device being optically coupled to the optical connector, and; separating the optical connector and the alignment member apart from the stub device. The alignment member is disposed in the hole of the stub device and a guide hole of the optical connector in the temporary assembly such that the alignment member aligns the stub device with the optical connector. ## Claims ### Claim 1 An optical connecting part including: at least one optical fiber; a tubular guide member having an end, another end, a side wall extending in a direction from the end to the another end to define a hole extending in the direction, and a stopper disposed between the end of the tubular guide member and the another end of the tubular guide member, the side wall including a magnetic body, the stopper extending from the side wall so as to intersect the direction and also including a magnetic body; and a holder having an end face, another end face, a first supporting portion supporting the optical fiber, and a second supporting portion supporting the guide member, wherein the second supporting portion extends in the direction, and the another end of the tubular guide member is disposed at the another end face of the holder. ### Claim 2 (depends on 1) The optical connecting part according to claim 1, wherein the optical connecting part includes a stub device having the optical fiber, the tubular guide member, and the holder. ### Claim 3 (depends on 1) The optical connecting part according to claim 1, wherein the tubular guide member is made of magnetic material. ### Claim 4 (depends on 1) The optical connecting part according to claim 1, wherein the tubular guide member has a cylindrical shape. ### Claim 5 (depends on 1) The optical connecting part according to claim 1, wherein the tubular guide member has a metal tube. ### Claim 6 (depends on 1) The optical connecting part according to claim 1, wherein the first supporting portion extends in the direction. ### Claim 7 (depends on 1) The optical connecting part according to claim 1, wherein the first supporting portion has a through-hole extending in the direction. ### Claim 8 (depends on 1) The optical connecting part according to claim 1, wherein the second supporting portion has supporting faces extending in the direction, an outer side of the side wall of the tubular guide member being in contact with the supporting faces. ### Claim 9 (depends on 1) The optical connecting part according to claim 1, wherein the optical fiber has an end disposed at the another end face of the holder. ### Claim 10 (depends on 1) The optical connecting part according to claim 1, wherein the second supporting portion has a through-hole extending from the end face of the holder to the another end face thereof in the direction. ### Claim 11 (depends on 1) The optical connecting part according to claim 1, wherein the holder includes glass. ### Claim 12 An optical communication apparatus including: a silicon photonics semiconductor device monolithically integrating an optical coupling element, and an optical element optically coupled to the optical coupling element; an optical connecting part including a stub device, the stub device including at least one optical fiber, a tubular guide member having an end, another end, and a side wall extending in a direction from the end to the another end to define a hole extending in the direction, the side wall including a magnetic body, and a holder having an end face, another end face, a first supporting portion supporting the optical fiber, and a second supporting portion supporting the guide member, the second supporting portion extending in the direction, and the another end of the tubular guide member being disposed at the another end face of the holder, and the connecting part being optically coupled to the optical coupling element of the silicon photonics semiconductor device; and an adhesive member fixing the optical connecting part to the silicon photonics semiconductor device. ### Claim 13 (depends on 12) The optical communication apparatus according to claim 12, wherein the tubular guide member includes a stopper disposed between the end of the tubular guide member and the another end of the tubular guide member, the stopper extending from the side wall so as to intersect the direction and also including a magnetic body. ### Claim 14 (depends on 12) The optical communication apparatus according to claim 12, wherein the tubular guide member is made of nickel (Ni) as a magnetic material, and the optical connecting part includes a pigtail type optical connector having the optical fiber, the tubular guide member, and the holder. ### Claim 15 (depends on 12) The optical communication apparatus according to claim 12, wherein the optical connecting part includes a stub device having the optical fiber, the tubular guide member, and the holder.