Patent SG-11201909363W-A (SG)
Title: Multi-axis machine tool, methods of controlling the same and related arrangements
Inventor: LU GUANG
IPC: B23K26/70
Filed: 2018-04-30
Abstract: WO 18/ 20 4241 Al 1416 14061 facilitate efficient delivery of laser energy to a scan head, that can 112 address thermomechanical issues that may arise during workpiece 1410 201 processing, etc. Another embodiment relates to techniques for min- 1406 b imizing or preventing undesired accumulation of particulate matter 1402 1 1412 408a on workpiece surfaces during processing. A number of other embod- iments and arrangements are also detailed. 414 axis B-axis FIG. 14 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 08 November 2018 (08.11.2018) WIPO I PCT omit VIII °nolo H01°1111111 olowliflo oimIE (10) International Publication Number WO 2018/204241 Al (51) International Patent Classification: B23K 26/08 (2006.01) B23K 26/70 (2014.01) B23K 26/06 (2006.01) (21) International Application Number: PCT/US2018/030152 (22) International Filing Date: 30 April 2018 (30.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/502,311 05 May 2017 (05.05.2017) US 62/511,072 25 May 2017 (25.05.2017) US (71) Applicant: ELECTRO SCIENTIFIC INDUSTRIES, INC. [US/US]; 13900 NW Science Park Drive, Portland, OR 97229 (US). (72) Inventors: LU, Guang; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). JOHANSEN, Brian; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). KOSMOWSKI, Mark; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). LO, Ho, Wai; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). LI, Guangyu; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). (74) Agent: EATON, Kurt, M.; Electro Scientific Industries, Inc., 13900 NW Science Park Drive, Portland, OR 97229 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: MULTI-AXIS MACHINE TOOL, METHODS OF CONTROLLING THE SAME AND RELATED ARRANGEMENTS (57) : Varied embodiments of a laser-based machine tool, 1422 and techniques for controlling the same are provided. Some embodi- 1406g ments relate to techniques to facilitate uniform and reproducible pro- cessing of workpieces. Other embodiments relate to a zoom lens hav- 1409 304 ing a quickly-variable focal length. Still other embodiments relate 06 102 to various features of a laser-based multi-axis machine tool that can [Continued on next page] WO 2018/204241 Al MIDEDIM000101011EFIO1001010110E01011111011111EMOIS TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))