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Methods And Systems For Characterizing Laser Machining Properties By Measuring Keyhole Dynamics Using Interferometry - EP2972479

The patent EP2972479 was granted to IPG Photonics Canada on Sep 9, 2020. The application was originally filed on Mar 13, 2014 under application number EP14764437A. The patent is currently recorded with a legal status of "Revoked".

EP2972479

IPG PHOTONICS CANADA
Application Number
EP14764437A
Filing Date
Mar 13, 2014
Status
Revoked
Mar 8, 2024
Grant Date
Sep 9, 2020
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (3)

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LESSMULLER LASERTECHNIKJun 9, 2021THUMADMISSIBLE
STIESJun 9, 2021TER MEER STEINMEISTER & PARTNERADMISSIBLE
SPITMANNJun 8, 2021FISH & RICHARDSON PCADMISSIBLE

Patent Citations (23) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

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DESCRIPTIONWO2011CA50599-
DESCRIPTIONCA2728950
INTERNATIONAL-SEARCH-REPORTDE10155203
INTERNATIONAL-SEARCH-REPORTUS2010142780
INTERNATIONAL-SEARCH-REPORTUS2011284508
INTERNATIONAL-SEARCH-REPORTUS2012138586
INTERNATIONAL-SEARCH-REPORTUS2012285936
OPPOSITIONDE10020559
OPPOSITIONDE10155203
OPPOSITIONDE102007016444
OPPOSITIONDE102011078089
OPPOSITIONDE10321894
OPPOSITIONUS2008281413
OPPOSITIONUS2010142780
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OPPOSITIONUS2011284508
OPPOSITIONUS2012138586
OPPOSITIONUS2012285936
OPPOSITIONUS6004314
OPPOSITIONWO2011009594
OPPOSITIONWO2012037694
OPPOSITIONWO2013000663
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Non-Patent Literature (NPL) Citations (14) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- C. V. Shank, R. Yen, and C. Hirlimann, "Time-Resolved Reflectivity Measurements of Femtosecond-Optical-Pulse-Induced Phase Transitions in Silicon", Physical Review Letters, (19830000), vol. 50, page 6, XP055816380-
OPPOSITION- LAWRENCE S. BASS et al., "Laser Tissue Welding: A Comprehensive Review of Current and Future Clinical Applications", Lasers in Surgery and Medicine, (19950000), vol. 17, pages 315 - 249, XP008067874-
OPPOSITION- LOHAUS et al., "Evaluation of optical sensors for laser welding in a technical cognitive environment", ICALEO, Anaheim US, (20100926), page 1, XP055816395-
OPPOSITION- Lohaus Lukas, Thibault Bautze, And Klaus Diepold, "Evaluation of optical sensors for laser welding in a technical cognitive environment", ICALEO, (20100000), pages 1541 - 1546, XP055816385-
OPPOSITION- LOHAUS, "Monitoring of laser beam welding with optical sensors and cognitive data processing", Colloquium, Diplomarbeit, (20100715), pages 1 - 41, XP055816398-
OPPOSITION- LOHAUS, "Monitoring of laser beam welding with optical sensors and cognitive data processing", Diplomarbeit an der Ruhr-Universität Bochum, (20101100), pages 1 - 166, XP055816396-
OPPOSITION- Paul J.L. Webster, Joe X.Z. Yu, Ben Y.C. Leung, Logan G. Wright, Kevin D. Mortimer, and James M. Fraser, "Inline coherent imaging of laser micromachining", IEEE, (20100000), pages 1 - 4, XP031849018-
OPPOSITION- WEBSTER et al., "In situ 24 kHz coherent imaging of morphology change in laser percussion drilling", Optics Letters, (20100301), vol. 35, no. 5, XP001552572-
OPPOSITION- Webster Paul J. L., Logan G. Wright, Kevin D. Mortimer, Ben Y. Leung, Joe X. Z. Yu, And James M. Fraser, "Automatic real-time guidance of laser machining with inlince coherent imaging", Journal of Laser Applications, (20110502), vol. 23, no. 2, pages 1 - 6, XP055816376-
OPPOSITION- S TEPHEN A. BOPPART et al., "High-Resolution Optical Coherence Tomorgraphy-Guided Laser Ablation of Surgical Tissue", Journal of Surgical Research, (19990000), vol. 82, doi:10.1006/jsre.1998.5555, pages 275 - 284, XP002478454
OPPOSITION- BLUG et al., "The full penetration hole as a stochastic process: controlling penetration depth in keyhole laser -welding", Appl Phys B, (20120000), vol. 108, doi:10.1007/s00340-012-5104-8, pages 97 - 107, XP035091753
OPPOSITION- W. Y. OH et al., "Ultrahigh-speed optical frequency domain imaging and application to laser ablation monitoring", Applied Physics Letters, (20060000), vol. 88, doi:10.1063/1.2179125, page 103902, XP012080529
OPPOSITION- F ABBRO et al., "Study of keyhole behaviour for full penetration Nd-Yag CW laser welding", J. Phys. D: Appl. Phys., vol. 38, doi:10.1088/0022-3727/38/12/005, pages 1881 - 1887, XP020083145
OPPOSITION- S. H. YUN et al., "High-speed optical frequency-domain imaging", Optics Express, (20030000), vol. 11, no. 22, doi:10.1364/OE.11.002953, pages 2952 - 2963, XP008083922

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