Patterned MW-NSFETs For Sustainable Scaling (POSTECH)


A new technical paper titled "Patterned Multi-Wall Nanosheet FETs for Sustainable Scaling: Zero Gate Extension With Minimal Gate Cut Width" was published by researchers at POSTECH. Abstract "In nanosheet field-effect transistors (NSFETs), the scaling of the cell height (CH) is constrained by strict design rules related to gate extension (GE), gate cut (GC), and device-to-device distance. ... » read more

Device Architecture For 2D Material-Based mNS-FETs In Sub-1nm Nodes (Sungkyunkwan Univ., Alsemy)


A new technical paper titled "Exploring optimal TMDC multi-channel GAA-FET architectures at sub-1nm nodes" was published by researchers at Sungkyunkwan University and Alsemy Inc. "This paper explores the design and optimization of multi-Nanosheet Field-Effect Transistors (mNS-FETs) employing a Transition Metal Dichalcogenide (TMDC) channel, specifically MoS2, for the 0.7 nm technology node u... » read more

5 Novel Layout Design Methodologies For The 3nm Nanosheet FET Library (Samsung, KNU)


A new technical paper titled "Design Technology Co-Optimization and Time-Efficient Verification for Enhanced Pin Accessibility in the Post-3-nm Node" was published by researchers at Samsung Electronics and Kyungpook National University (KNU). Abstract: "As the technology nodes approach 3 nm and beyond, nanosheet FETs (NSFETs) are replacing FinFETs. However, despite the migration of devices ... » read more

Investigating Subthreshold Current Suppression in ReS2 Nanosheet-Based FETs


A technical paper titled “Subthreshold Current Suppression in ReS2 Nanosheet-Based Field-Effect Transistors at High Temperatures” was published by researchers at University of Salerno, Università degli studi del Sannio, and University of Exeter. Abstract: "Two-dimensional rhenium disulfide (ReS2), a member of the transition-metal dichalcogenide family, has received significant attention... » read more

Highly Selective Etch Rolls Out For Next-Gen Chips


Several etch vendors are starting to ship next-generation selective etch tools, paving the way for new memory and logic devices. Applied Materials was the first vendor to ship a next-gen selective etch system, sometimes called highly-selective etch, in 2016. Now, Lam Research, TEL, and others are shipping tools with highly-selective etch capabilities, in preparation for futuristic devices su... » read more

Next-Gen Transistors


Nanosheets, or more generally, gate-all-around FETs, mark the next big shift in transistor structures at the most advanced nodes. David Fried, vice president of computational products at Lam Research, talks with Semiconductor Engineering about the advantages of using these new transistor types, along with myriad challenges at future nodes, particularly in the area of metrology. » read more

What’s Next For Transistors And Chiplets


Sri Samavedam, senior vice president of CMOS Technologies at Imec, sat down with Semiconductor Engineering to talk about finFET scaling, gate-all-around transistors, interconnects, packaging, chiplets and 3D SoCs. What follows are excerpts of that discussion. SE: The semiconductor technology roadmap is moving in several different directions. We have traditional logic scaling, but packaging i... » read more

Inner Spacer Engineering to Improve Mechanical Stability in Channel-Release Process of Nanosheet FETs


  Abstract "Mechanical stress is demonstrated in the fabrication process of nanosheet FETs. In particular, unwanted mechanical instability stemming from gravity during channel-release is covered in detail by aid of 3-D simulations. The simulation results show the physical weakness of suspended nanosheets and the impact of nanosheet thickness. Inner spacer engineering based on geometr... » read more

The Future Of Transistors And IC Architectures


Semiconductor Engineering sat down to discuss chip scaling, transistors, new architectures, and packaging with Jerry Chen, head of global business development for manufacturing & industrials at Nvidia; David Fried, vice president of computational products at Lam Research; Mark Shirey, vice president of marketing and applications at KLA; and Aki Fujimura, CEO of D2S. What follows are excerpt... » read more

New Transistor Structures At 3nm/2nm


Several foundries continue to develop new processes based on next-generation gate-all-around transistors, including more advanced high-mobility versions, but bringing these technologies into production is going to be difficult and expensive. Intel, Samsung, TSMC and others are laying the groundwork for the transition from today’s finFET transistors to new gate-all-around field-effect trans... » read more

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