Adaptive reinforcement learning for lithography optimization: a scalable AI-driven solution for next-generation semiconductor manufacturing [PDF]
Semiconductor lithography, a pivotal process in integrated circuit (IC) fabrication, accounts for approximately 30% of production costs and faces significant challenges as feature sizes shrink to sub-nanometer scales.
Umar Rashid +5 more
doaj +2 more sources
Shadow-wall lithography of ballistic superconductor–semiconductor quantum devices [PDF]
Advanced fabrication techniques enable a wide range of quantum devices, such as the realization of a topological qubit. Here, the authors introduce an on-chip fabrication technique based on shadow walls to implement topological qubits in an InSb nanowire
Sebastian Heedt +18 more
doaj +7 more sources
Meta-device for sensing subwavelength lateral displacement [PDF]
Accurate transverse displacement measurement is essential for precise mask-to-wafer positioning in lithography. While lateral displacement metrology has achieved nanometer-level precision, the limitations imposed by coherent state and grating challenge ...
Shufan Chen +7 more
doaj +2 more sources
Two-photon states meet polarization-gradient metasurfaces for nanometric, low-dose lateral-displacement metrology [PDF]
Accurate displacement sensing is indispensable in advanced semiconductor lithography. Conventional coherent-light-based approaches are hindered by photon budget limitations, slowing down in-situ measurements. In a recent study, Chen et al.
Qian-Mei Deng +3 more
doaj +2 more sources
Inverse Lithography Technology (ILT) Under Chip Manufacture Context [PDF]
As semiconductor process nodes shrink to 3 nm and beyond, traditional optical proximity correction (OPC) and resolution enhancement technologies (RETs) can no longer meet the high patterning precision needs of advanced chip manufacturing due to the sub ...
Xiaodong Meng, Cai Chen, Jie Ni
doaj +2 more sources
AI-Assisted Composite Etch Model for MPT [PDF]
For advanced semiconductor nodes, the demand for high-precision patterning of complex foundry circuits drives the widespread use of Lithography-Etch-Lithography-Etch (LELE)—a key Multiple Patterning Technology (MPT)—in Deep Ultraviolet (DUV) processes ...
Yanbin Gong +6 more
doaj +2 more sources
Direct resist-free patterning of an organic semiconductor via thermal scanning probe lithography [PDF]
Organic semiconductors are widely regarded as a key material platform for next generation flexible and wearable electronics. Realizing high-resolution, well-defined patterns is essential to scale organic field effect transistors for higher device density
Kaimin Luo +11 more
doaj +2 more sources
Advancements and challenges in inverse lithography technology: a review of artificial intelligence-based approaches [PDF]
Inverse lithography technology (ILT) is a promising approach in computational lithography to address the challenges posed by shrinking semiconductor device dimensions.
Yixin Yang +4 more
doaj +2 more sources
Strained 2D Semiconductor Lateral Heterojunctions via Grayscale Thermal‐Scanning Probe Lithography [PDF]
Nanoscale tailoring of the optoelectronic response of 2D transition metal dichalcogenides semiconductor layers (TMD) is demonstrated thanks to a novel strain engineering approach based on grayscale thermal‐Scanning Probe Lithography (t‐SPL).
Giorgio Zambito +8 more
doaj +2 more sources
Cryo-electron tomography reconstructs polymer in liquid film for fab-compatible lithography [PDF]
Liquid film is ubiquitous in nature and serves as the critical medium for the dissolution of photoresist to create nanoscale circuit patterns in lithography, which is a core task since the birth of semiconductor industry.
Liming Zheng +15 more
doaj +2 more sources

