Patent ID: 7595543
Filing Date: 2009-09-29
Classification: H01L,Y02E,Y02P

Abstract:
1. A semiconductor wafer, the semiconductor wafer having an upper surface, a lower surface and a plurality of slots extending from the upper surface to the lower surface, the slots having a slot width and defining a plurality of semiconductor strips disposed between adjacent slots, the strips having a strip width in the plane of the upper surface of the wafer, wherein the sum of the strip width and the slot width is less than the thickness of the wafer, each semiconductor strip having a front surface extending from the upper surface of the wafer to the bottom surface of the wafer, a rear surface extending from the upper surface of the wafer to the bottom surface of the wafer, a first side surface located in the same plane as and forming part of the upper surface of the wafer and a second side surface located in the same plane as and forming part of the lower surface of the wafer, wherein corresponding ends of the semiconductor strips are interconnected and form part of a portion of the wafer which surrounds the plurality of slots so as to form a protective frame.