Abstract: In recent years, with the continuous development of 2.5D/3D packaging, glass interposers that can achieve vertical interconnection have been widely used due to their excellent high-frequency ...
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Laser etching stencils for vapor deposition
Shadow masks! We're making micro stencils to use in my sputter coater and talking about how to fabricate them quickly and easily on a fiber laser. Then some examples to see how it works and what kind ...
Abstract: Through glass vias on a high-quality borosilicate glass wafer (i.e., BOROFLOAT® 33) of 500 μm in thickness were accomplished in 49% HF solution using an AZ4620 enhanced Cr/Au mask, without ...
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