Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser

Laser drilling is capable of producing small, precisely positioned holes with high degree of reproductively. In this paper , IR millisecond Nd:YAG single pulsed laser was used to determine the effect of laser parameters on the drilled hole of the glass - fiber reinforced epoxy composite FR-4 sample...

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Autores principales:	Osamah F. Abdulateef, Enas A. Khalid, Amer G. Hoss
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2013
Materias:	Nd:YAG Laser FR-4 Composite materials Laser Drilling Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/0b7c03a5a42d4fdc8151ebaa408ca10f
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spelling	oai:doaj.org-article:0b7c03a5a42d4fdc8151ebaa408ca10f2021-12-02T01:00:24ZDrilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser1818-11712312-0789https://doaj.org/article/0b7c03a5a42d4fdc8151ebaa408ca10f2013-06-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/163https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 Laser drilling is capable of producing small, precisely positioned holes with high degree of reproductively. In this paper , IR millisecond Nd:YAG single pulsed laser was used to determine the effect of laser parameters on the drilled hole of the glass - fiber reinforced epoxy composite FR-4 sample of 2 mm in thickness . The type of laser source was GSI lumonics JK760TR Series laser 1.064μm system in a CNC cabin. The JK760TR series has a 0.3-50ms pulse length and a maximum repetition rate 500Hz with an average power of 600W. The investigation of single pulse laser drilling in this paper was based on theoretical and experimental solutions. In single pulse technique, the investigation included focal plane position fpp, pulse shape, laser peak power, and pulse duration. It was found that (-1) was the best fpp due to less taper for the drilled holes made by this level (Entrance hole =0.68, Exit hole = 0.27). To predict pulse shape effects; three types were : rectangular , rump-up and cool down, it were examined found that rectangular pulse was efficient more than the other types due to its ability to produce holes with less tapering as compared with others types. Also its found that all pulse shapes had the same effect on the materials microstructure . Laser peak power and pulse duration had the predominant affects on the hole dimensions and edge quality without any defect except hole tapering. Osamah F. AbdulateefEnas A. KhalidAmer G. HossAl-Khwarizmi College of Engineering – University of BaghdadarticleNd:YAG LaserFR-4 Composite materialsLaser DrillingChemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 9, Iss 2 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Nd:YAG Laser FR-4 Composite materials Laser Drilling Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Nd:YAG Laser FR-4 Composite materials Laser Drilling Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Osamah F. Abdulateef Enas A. Khalid Amer G. Hoss Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
description	Laser drilling is capable of producing small, precisely positioned holes with high degree of reproductively. In this paper , IR millisecond Nd:YAG single pulsed laser was used to determine the effect of laser parameters on the drilled hole of the glass - fiber reinforced epoxy composite FR-4 sample of 2 mm in thickness . The type of laser source was GSI lumonics JK760TR Series laser 1.064μm system in a CNC cabin. The JK760TR series has a 0.3-50ms pulse length and a maximum repetition rate 500Hz with an average power of 600W. The investigation of single pulse laser drilling in this paper was based on theoretical and experimental solutions. In single pulse technique, the investigation included focal plane position fpp, pulse shape, laser peak power, and pulse duration. It was found that (-1) was the best fpp due to less taper for the drilled holes made by this level (Entrance hole =0.68, Exit hole = 0.27). To predict pulse shape effects; three types were : rectangular , rump-up and cool down, it were examined found that rectangular pulse was efficient more than the other types due to its ability to produce holes with less tapering as compared with others types. Also its found that all pulse shapes had the same effect on the materials microstructure . Laser peak power and pulse duration had the predominant affects on the hole dimensions and edge quality without any defect except hole tapering.
format	article
author	Osamah F. Abdulateef Enas A. Khalid Amer G. Hoss
author_facet	Osamah F. Abdulateef Enas A. Khalid Amer G. Hoss
author_sort	Osamah F. Abdulateef
title	Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
title_short	Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
title_full	Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
title_fullStr	Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
title_full_unstemmed	Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser
title_sort	drilling of fr-4 composite materials using single pulse of nd:yag laser
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2013
url	https://doaj.org/article/0b7c03a5a42d4fdc8151ebaa408ca10f
work_keys_str_mv	AT osamahfabdulateef drillingoffr4compositematerialsusingsinglepulseofndyaglaser AT enasakhalid drillingoffr4compositematerialsusingsinglepulseofndyaglaser AT amerghoss drillingoffr4compositematerialsusingsinglepulseofndyaglaser
_version_	1718403358130176000

Drilling of FR-4 Composite Materials Using Single Pulse of Nd:YAG Laser

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