Invention Grant
US07989358B2 Prevention of backside cracks in semiconductor chips or wafers using backside film or backside wet etch 有权
使用背面薄膜或背面湿蚀刻防止半导体芯片或晶片的背面裂缝

Prevention of backside cracks in semiconductor chips or wafers using backside film or backside wet etch
Abstract:
A method of preventing the formation of cracks on the backside of a silicon (Si) semiconductor chip or wafer during the processing thereof. Also provided is a method for inhibiting the propagation of cracks, which have already formed in the backside of a silicon chip during the processing thereof and prior to the joining thereto of a substrate during the fabrication of an electronic package. The methods entail either treating the backside with a wet etch, or alternatively, applying a protective film layer thereon prior to forming an electronic package incorporating the chip or wafer.
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