The backside holes of prior art microphones typically require that a secondary machining operation be performed on the rear surface of the silicon wafer during fabrication.
Wrought alloy. A metal alloy that is relatively ductile and amenable to hot working or cold working during fabrication.
This paper gives a review of how to make air tests during fabrication for large structures of the oil storage caisson of JZ 9 - 3 offshore oil development in Bohai Bay.
An additive that improves the flow of plastics during fabrication.
