“Engineers are busy, and so you only tell them something they need to know.” Intel’s Steve Chadwick
Top Stories Archive
Molybdenum-diselenide brittle, borophene not
Researchers from IBM and Globalfoundries will report on the first use of “air-gaps” as part of the dielectric insulation around active gates of “10nm-node” finFETs at the upcoming International Electron Devices Meeting (IEDM) of the IEEE.
E-beams directed by design to form and repair device structures.
Analysts see another chance for Silicon-on-Insulator technology, as proponents claim technical and cost advantages for fully-depleted SOI.
14 installations of GPU-accelerated platforms aid mask-makers worldwide
The test time per logic gate in ICs has greatly decreased in the last 20 years, thanks to scan-based design-for-test (DFT), automatic test pattern generation (ATPG) tools, and scan compression.
Strategic investment serves IC, FPD, LED, and PV fabs
Equipment vendors have a lot on their plates now, with memory customers pushing 3D NAND, foundries advancing to the 7 nm node, and 200mm fabs clamoring to come up with hard-to-find tools.
Lam talks about process control and default roadmaps.
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The increasing demand for wireless data bandwidth and the emergence of LTE and LTE Advanced standards pushes radio-frequency (RF) IC designers to develop devices with higher levels of integrated RF functions, meeting more and more stringent specification levels. The substrates on which those devices are manufactured play a major role in achieving that level of performance.
Everybody’s talking about it, but just what is DFM? According to various EDA company websites, design for manufacturing can be: generation of yield optimized cells; layout compaction; wafer mapping optimization; planarity fill; or, statistical timing among other definitions. Obviously, there is very little consensus. For me, DFM is what makes my job hard: Characterizing it, and developing tools for it, is the most important item on my agenda.
In nanometer designs, the number of single vias, and the number of via transitions with minimal overlap, can contribute significantly to yield loss. Yet doubling every via leads to other yield-related problems and has a huge impact on design size. While there is still concern over of how many vias can be fixed without rerouting and without creating DRC violations, the Calibre via doubling tool can identify via transitions and recommend areas for second via insertion without increasing area.
Certain measurement methodologies can be inaccurate even if they’re precise, and there are known errors associated with certain system parameters.
The etch loading effect is the dominant factor that impacts final CD control at advanced nodes with shrinking critical dimension.
A look at ways to simplify the optical and resist model calibration and to speed up the entire process.
Fabricating interconnects is one of the most process-intensive and cost-sensitive parts of manufacturing.
Testing interposer-based versions of stacked die and future versions using through-silicon vias.
EUV will introduce unwanted patterning distortions that must be accurately modeled and corrected.
How to tame data file sizes, address fractured data files creation and streamline data review techniques.