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In silicon wafer manufacturing overlay control is the control of pattern-to-pattern alignment necessary in the manufacture of silicon wafers. Silicon wafers are currently manufactured in a sequence of steps, each stage placing a pattern of material on the wafer; in this way transistors, contacts, etc., all made of different materials, are laid ...
An illustration of OPC (Optical Proximity Correction). The blue Γ-like shape is what chip designers would like printed on a wafer, in green is the pattern on a mask after applying optical proximity correction, and the red contour is how the shape actually prints on the wafer (quite close to the desired blue target).
SATP offers less overlay sensitivity. SATP achieves the same pattern as SID SADP but with less overlay sensitivity for the cut/trim mask. Self-aligned triple patterning has been considered as a promising successor to SADP, due to its introduction of a second spacer offering additional 2D patterning flexibility and higher density.
Fairchild Semiconductor's Global Power Resource SM Center Develops Innovative BLDC Motor Control Reference Design Reference Design Incorporates Power Factor Correction, Enables Rapid Prototyping ...
Overlay control, in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures Overlay plan , a method of introducing new area codes in telephony Historic overlay district , a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons
The U.S. Commerce Department said Wednesday it has finalized a $1.5 billion government subsidy for GlobalFoundries to expand semiconductor production in Malta, New York and Vermont. The binding ...
FBI Director Christopher Wray’s resignation announcement was the latest, and inevitable, step in the accumulation of massive and unusual power around President-elect Donald Trump.
Overlay networks can be incrementally deployed at end-user sites or on hosts running the overlay protocol software, without cooperation from ISPs. The overlay has no control over how packets are routed in the underlying network between two overlay nodes, but it can control, for example, the sequence of overlay nodes a message traverses before ...
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