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Wafer testing is a step performed during semiconductor device fabrication after back end of line (BEOL) and before IC packaging.. Two types of testing are typically done. Very basic wafer parametric tests (WPT) are performed at a few locations on each wafer to ensure the wafer fabrication process has been carried out successfully.
Wafer backgrinding is a semiconductor device fabrication step during which wafer thickness is reduced to allow stacking and high-density packaging of integrated circuits (IC). ICs are produced on semiconductor wafers that undergo a multitude of processing steps. The silicon wafers predominantly used today have diameters of 200 and 300 mm.
Etching is a critically important process module in fabrication, and every wafer undergoes many etching steps before it is complete. For many etch steps, part of the wafer is protected from the etchant by a "masking" material which resists etching. In some cases, the masking material is a photoresist which has been patterned using photolithography.
Berberine, a plant compound traditionally used in herbal medicine, is today commonly stocked on the shelves of health food stores and pharmacies as a supplement. Beyond weight loss, berberine also ...
Wafer-scale integration (WSI) is a system of building very-large integrated circuit (commonly called a "chip") networks from an entire silicon wafer to produce a single "super-chip". Combining large size and reduced packaging, WSI was expected to lead to dramatically reduced costs for some systems, notably massively parallel supercomputers but ...
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(Reuters) -The European Medicines Agency (EMA) is investigating Novo Nordisk's diabetes drug Ozempic and weight-loss treatment Saxenda after Iceland's health regulator flagged three cases of ...
NEW YORK (Reuters) -Donald Trump may seek dismissal of the criminal case in which he was convicted in May of 34 felony counts involving hush money paid to a porn star, a judge ruled on Friday ...