Laser machining of glass substrates

Glassmaking has been around since 5000 BC, when Phoenician traders were credited with creating the first glass in the Syrian region. Based on archaeological evidence, the first glass known to man originated in Egypt and Eastern Mesopotamia about 3500 BC. Then, in Mesopotamia and Egypt, the first glass jars were made around 1500 BC [ 1 ]. Since its early inception, glass has fallen into a noteworthy material category with uses in a variety of structural and industrial contexts in addition to home accessories. The usage of glass has grown throughout millennia due to technological and artistic developments, which have rendered it necessary in a variety of applications outside of the home. Glass’s continued importance and adaptability as a material are demonstrated by the critical roles it plays today in architecture, electronics, transportation, healthcare, and many other industries. These materials, which are frequently described as brittle and difficult to machine, are widely used in disciplines critical to public welfare, including medicine and optics, in addition to the electronics industry [ 2 ]. Glass is a widely used functional material in the electrical industries for a variety of purposes. It is essential to the manufacture of microdevices, such as solid oxide fuel cells for portable electronic devices, pumps, and reactors, as well as the packaging of microelectromechanical systems (MEMS) devices and microelectronic packaging [ 3 , 4 ].