Zobrazeno 1 - 10
of 54
pro vyhledávání: '"D.K.Y. Low"'
Publikováno v:
Optics and Lasers in Engineering. 46:404-409
The 355 nm DPSS UV laser cutting of electronics printed circuit board (PCB) substrates including FR4, and BT/epoxy-based PCB substrates was investigated. The effects of various laser conditions such as scanning speed, assisting gas, repetition rate,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43e7402d59abcd260ca644eabc91e338
https://doi.org/10.1016/j.optlaseng.2007.12.002
https://doi.org/10.1016/j.optlaseng.2007.12.002
Publikováno v:
Thin Solid Films. 504:336-340
Femtosecond laser-based writing (FSLW) as a microfabrication technique is employed to fabricate 3D microstructures such as waveguides and waveguide based devices inside the bulk material of interest. This paper describes the direct fabrication of bur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7cb1b0e36dc0c6916e74c775ad5d7a1
https://doi.org/10.1016/j.tsf.2005.09.069
https://doi.org/10.1016/j.tsf.2005.09.069
Autor:
S.Y. Lee, Z. Zhao, X. Zeng, D.K.Y. Low, M. Qian, Mee-Koy Chin, X. Zhang, P. Plante, A.C.W. Lu
Publikováno v:
Journal of Crystal Growth. 288:176-179
In this paper, we report the fabrication of rib waveguides and passive waveguide devices such as multimode interference (MMI) splitters using sol–gel organic–inorganic hybrid materials. The multilayered waveguides were developed, using spin-coati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a340116e58d9eaf76ce4cf3f67814b30
https://doi.org/10.1016/j.jcrysgro.2005.12.036
https://doi.org/10.1016/j.jcrysgro.2005.12.036
Publikováno v:
Applied Physics A. 81:1633-1638
Using tightly focused femtosecond laser pulses to irradiate lines in aluminosilicate glass, embedded lines with increased refractive index, which function as optical waveguides were observed. The pulse energy (4.5–11.2 μJ) and writing speed (50–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2faad9842e6e90d23177645960badfb5
https://doi.org/10.1007/s00339-005-3324-z
https://doi.org/10.1007/s00339-005-3324-z
Publikováno v:
Thin Solid Films. 468:12-16
This study investigated the efficacy of using CO 2 laser irradiation to treat the surface of the magnesia partially stabilised zirconia (MgO–PSZ) in order to enhance the biocompatibility by improved wettability characteristic and bioactivity by ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3037e1e98e123bed057015072005dc62
https://doi.org/10.1016/j.tsf.2004.03.032
https://doi.org/10.1016/j.tsf.2004.03.032
Publikováno v:
Journal of Materials Processing Technology. 139:71-76
The aerospace industry has been employing laser drilling to produce high quality closely spaced holes in turbine engine components for effusion cooling. However, laser drilled holes are inherently associated with the deposition of spatter as the ejec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a41dbe024ffc42839b00309e484a93c1
https://doi.org/10.1016/s0924-0136(03)00184-5
https://doi.org/10.1016/s0924-0136(03)00184-5
Publikováno v:
International Journal of Machine Tools and Manufacture. 42:985-995
The present study investigates the relationships and parameter interactions between six controllable variables on the hole taper and circularity in laser percussion drilling. Experiments have been conducted on stainless steel workpieces and a compari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc0bac58af0511f78c8ed832d23a04dd
https://doi.org/10.1016/s0890-6955(02)00038-x
https://doi.org/10.1016/s0890-6955(02)00038-x
Publikováno v:
Applied Surface Science. 186:271-275
Composite materials, specifically ceramic–polymer composites and metal–polymer composites have received increased interest in a number of engineering applications, from impact protection, microelectronics to tribology. The characteristics of Nd:Y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90d1da4a5c780b8d2318995fa4bfd2fa
https://doi.org/10.1016/s0169-4332(01)00629-8
https://doi.org/10.1016/s0169-4332(01)00629-8
Publikováno v:
CIRP Annals. 51:153-156
Small hole (< 1 mm diameter) drilling by lasers is widely applied in various manufacturing processes. Hole tapering is one of the inherent manufacturing problems associated with laser percussion drilling (multiple pulse drilling) whereby material is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b951c0f626ef0eddb02e6973d11d22
https://doi.org/10.1016/s0007-8506(07)61488-7
https://doi.org/10.1016/s0007-8506(07)61488-7
Publikováno v:
Journal of Materials Processing Technology. 118:179-186
Laser-drilled holes are known to be inherently associated with the formation of spatter. In this paper, characterisation of the spatter deposited on laser-drilled holes in a Nimonic alloy has been performed and investigated for various laser-processi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f2f1fc2145ccc0ea9f2bcd0cc89c339
https://doi.org/10.1016/s0924-0136(01)00910-4
https://doi.org/10.1016/s0924-0136(01)00910-4