B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
26/160, 327/1.3,
B23K 26/14 (2006.01) B23K 26/00 (2006.01)
Patent
CA 1313541
- 19 - METHOD OF MANUFACTURING FILTERS BY LASER TREATMENT AND DEVICE THEREFOR A b s t r a c t A method of manufacturing filters by laser treat- ment, wherein working is done by a laser beam and a jet of working gas. An absorbing coating is applied to a surface to be worked. The laser beam is focused to form a focal spot within a workpiece at a depth h1 from its surface with Image where h is the thickness of the workpiece. Abrasive particles are introduced in a pulsed perio- dic manner into said jet of working gas at the instant the variation amplitude of the volume of molten metal in a cutting cavity reaches a maximum value. A device for manufacturing filters comprises a laser, a nozzle with an optical laser focusing system, a nozzle for feeding working gas and abrasive particles, and a me- chanism for controlling the yield of an absorbing coating.
579040
Bendoraitis Eduardas J.
Dumchjus Kyastutis J.
Kanapenas Rimantas-Mikolas V.
Vaitkyavichus Mindaugas J.
Vischakas Jurgis K.
Bendoraitis Eduardas J.
Dumchjus Kyastutis J.
Institut Fiziki Akademii Nauk Litovskoi Ssr
Kanapenas Rimantas-Mikolas V.
Swabey Ogilvy Renault
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