Heat and mass transfer effects of laser soldering on growth behavior of interfacial intermetallic compounds in Sn/Cu and Sn-3.5 Ag0. 5/Cu joints

A Kunwar, S Shang, P Råback, Y Wang… - Microelectronics …, 2018 - Elsevier
The magnitudes of input power and scan speed of laser heat source can affect the
morphology and size of interfacial Cu 6 Sn 5 intermetallic compound (IMC) formed or grown …

Fabrication and application of micro thin film thermocouples for transient temperature measurement in nanosecond pulsed laser micromachining of nickel

H Choi, X Li - Sensors and Actuators A: Physical, 2007 - Elsevier
In order to investigate the complicated transient thermal phenomena in laser
micromachining, it is essential to accurately measure time-resolved temperatures of …

Numerical modeling of thermal and mechanical effects in laser-rock interaction–an overview

DP San-Roman-Alerigi, SI Batarseh… - ARMA US Rock Mechanics …, 2016 - onepetro.org
Advancement in laser technology and material engineering have progressively increased
the output power and beam quality of solid-state lasers and reduced the price per kilowatt to …

Ultrasonic vibration-assisted continuous wave laser surface drilling of materials

SH Alavi, SP Harimkar - Manufacturing Letters, 2015 - Elsevier
Melt expulsion and surface vaporization are important material removal mechanisms of
pulsed laser drilling of materials. Drilling rate and quality of laser drilled holes depend on the …

Thermal/mechanical interaction in laser perforation process: Numerical-model buildup and parametric study

Y Han, Y Fang, DP San–Roman–Alerigi, SI Batarseh - SPE Journal, 2019 - onepetro.org
In this paper, a generic thermal/mechanical interaction model was developed to predict the
penetration rate and mechanical damage around perforation tunnels that resulted from the …

Modelling of hole taper and heat affected zone due to laser beam percussion drilling

S Mishra, V Yadava - Machining Science and Technology, 2013 - Taylor & Francis
Determination of hole taper and extent of heat affected zone is a challenging task for
manufacturing engineers from the quality and accuracy point of view of the laser-drilled hole …

Simulation of laser drilling of Inconel x-750 and ti-5al-2.5 sn sheets using Comsol

MM Hanon, ZA Taha, L Zsidai - Acta Polytechnica, 2021 - ojs.cvut.cz
This study aims to investigate the simulation of laser drilling processes on Inconel X-750 and
Ti-5Al-2.5 Sn sheets. To this end, COMSOL Multiphysics 5.2 software was employed to carry …

[PDF][PDF] Laser Drilling of Microholes in Single Crystal Silicon Using Continuous Wave (CW) 1070 nm Fiber Lasers with Millisecond Pulse Widths.

O MACLEAN, JR Hodson… - Lasers in Engineering …, 2018 - researchgate.net
The laser microdrilling of via holes in Si semiconductor wafers was studied using 1 ms
pulses from an Yb fibre laser with 1070 nm wavelength. Optical microscopy and cross …

[图书][B] Lézeres felületkezelés és modellezés

E Bitay - 2007 - real.mtak.hu
2.8. 1. Lézeres felületkezelések általános jellemzői 33 2.8. 2. A lézernyaláb jellemzése 33
2.8. 3. A kezelendő felület jellemzése 37 2.8. 4. A lézeres felületkezelések osztályozása 37 …

High-rate laser ablation for through-wafer via holes in SiC substrates and GaN/AlN/SiC Templates

S Kim, BS Bang, F Ren, J d'Entremont… - JSTS: Journal of …, 2004 - koreascience.kr
Abstract [$ CO_2 $] laser ablation rates for bulk 4H-SiC substrates and GaN/AIN/SiC
templates in the range 229-870${\mu} m. min^{-1} $ were obtained for pulse energies of 7.5 …