# US 10,483,715 B2 · Laser support for semiconductor laser fixation and laser support element assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,715 B2 - Document ID: US10483715B2 - Status: Granted - Kind: B2 - Application number: 14/732,528 - Filed: 2015-06-05 - Published: 2016-05-19 - Granted: 2019-11-19 - Earliest claimed: 2014-05-23 - Assignees: North Inc. - Applicants: North Inc. - Inventors: Lucio Kilcher; Nicolas Abele - Web page: https://patentgrep.com/patent/US10483715B2 ## CPC - H01S 5/02212: Can-type, e.g. TO-CAN housings with emission along or parallel to symmetry axis - G03B 21/20: Lamp housings - G03B 21/2033: {LED or laser light sources} - H01S 5/02: Structural details or components not essential to laser action - H01S 5/0236: using an adhesive - H01S 5/4025: {Array arrangements, e.g. constituted by discrete laser diodes or laser bar (H01S5/42 takes precedence)} - H01S: DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) ## Abstract Method for mounting a semiconductor laser element (3) into a laser holder (1), comprising the following steps: providing a laser holder (1) comprising a metal body (2) equipped with a substantially cylindrical housing (20) and comprising a frontal end (21) equipped with a first aperture (210) for passage of the laser beam produced by said laser element, and a back end (22) equipped with a second aperture (220) for inserting said laser element (3), said body (2) being passed through by a first group of windows (51, 52) arranged radially in a first plane (P1) perpendicular to the axis (23) of said housing (20), the angular spacing between said windows (51, 52) being regular; inserting said semiconductor laser element (3) into said housing (20); inserting an adhesive (24) for fastening said semiconductor laser element (3) into said windows (51, 52); and simultaneously setting the adhesive in said windows (51, 52) by means of ultraviolet light penetrating simultaneously into said windows (51, 52). ## Claims ### Claim 1 A laser holder comprising: a substantially cylindrical body, the body comprising: a front end having a first aperture having a first diameter to transmit a laser beam produced by a semiconductor laser element, the first diameter to be smaller than a diameter of the laser beam; a back end having a second aperture, the first aperture and the second aperture arranged along an axis; a first group of windows arranged radially in a first plane, the first plane substantially perpendicular to the axis, the first group of windows at least partially fillable with an adhesive to fasten the semiconductor laser element to the body and each window of the first group of windows comprising an external cylindrical portion and an internal cylindrical portion, the internal cylindrical portion closer to the axis than the external cylindrical portion, the cross section of the internal cylindrical portion to be larger than the cross section of the external cylindrical portion. ### Claim 2 (depends on 1) The laser holder of claim 1, an angular spacing between windows of the first group of windows to be substantially regular. ### Claim 3 (depends on 1) The laser holder of claim 1, the second aperture having a second diameter to accommodate insertion of the semiconductor laser element into the body. ### Claim 4 (depends on 1) The laser holder of claim 1, comprising a second group of windows arranged radially in a second plane, the second plane substantially parallel to the first plane, the angular spacing between windows of the second group of windows to be substantially regular. ### Claim 5 (depends on 4) The laser holder of claim 4, the second group of windows at least partially fillable with an adhesive to fasten a lens to the body. ### Claim 6 (depends on 1) The laser holder of claim 1, the body comprising steel or steel alloy. ### Claim 7 (depends on 1) The laser holder of claim 1, at least the internal cylindrical portion filled with an adhesive to fasten the semiconductor laser element at least partially within the body. ### Claim 8 An apparatus comprising: a projection module comprising a plurality of cylindrical housings, each of the plurality of cylindrical housings comprising at least one external aperture; a plurality of substantially cylindrical bodies to be inserted into the plurality of cylindrical housings, each of the plurality of bodies comprising: a front end having a first aperture having a first diameter to transmit a laser beam produced by a semiconductor laser element, the first diameter to be smaller than a diameter of the laser beam; a back end having a second aperture, the first aperture and the second aperture arranged along an axis; a first group of windows arranged radially in a first plane, the first plane substantially perpendicular to the axis, at least one of the first group of windows to be substantially aligned with a corresponding one of the external apertures and at least partially fillable with an adhesive to fasten the semiconductor laser element to the body, and each window of the first group of windows comprising an external cylindrical portion and an internal cylindrical portion, the internal cylindrical portion closer to the axis than the external cylindrical portion, the cross section of the internal cylindrical portion to be larger than the cross section of the external cylindrical portion. ### Claim 9 (depends on 8) The apparatus of claim 8, an angular spacing between windows of the first group of windows to be substantially regular. ### Claim 10 (depends on 8) The apparatus of claim 8, the second aperture having a second diameter to accommodate insertion of the semiconductor laser element into the body. ### Claim 11 (depends on 8) The apparatus of claim 8, comprising a second group of windows arranged radially in a second plane, the second plane substantially parallel to the first plane, the angular spacing between windows of the second group of windows to be substantially regular. ### Claim 12 (depends on 11) The apparatus of claim 11, the second group of windows at least partially fillable with an adhesive to fasten a lens to the body. ### Claim 13 (depends on 8) The apparatus of claim 8, a one of the semiconductor laser elements fastened to a one of the plurality of bodies to emit a laser beam having a different color light than another one of the semiconductor laser elements fasted to another one of the plurality of bodies. ### Claim 14 (depends on 8) The apparatus of claim 8, at least the internal cylindrical portion filled with an adhesive to fasten the semiconductor laser element at least partially within the body.