Abstract: 2.5D glass interposer technology based on through glass via (TGV) becomes a hot research topic on account of good electrical property and CTE (coefficient of thermal expansion) mismatch [1].

Abstract: This paper aims to develop a low-cost laser engraving machine. Materials like plastics, acrylic, glass, wood, cardboard, and leather have been used to engrave desired inputs. It have been ...

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