tag: lithography

Photoresist Materials Development
By Toru Fujimori - 20 Jun, 2024 - Comments: 0

Toru Fujimori of FUJIFILM Corporation provides an overview of the development of photoresist materials for masks and wafers to support continued pattern shrinkage and address stochastic issues in lithography. » read more

Exploring The Fundamentals Of Photolithography
By Joyce Lowes - 23 May, 2024 - Comments: 0

In the semiconductor materials industry, photolithography is a crucial technology for creating intricate electronic circuits. Essentially, it’s the art of printing at the nanoscale level, enabling the precise patterning of semiconductor materials. The ability to do this well is important for companies in the industry because it determines how detailed and efficient microchips can be. This aff... » read more

Accelerating Innovation With An E-Beam Lithography System
By Al Blais - 23 May, 2024 - Comments: 0

By Al Blais and Johnny Yeap Traditional lithography remains a standard in the industry, providing precision and a relatively cost-effective way to create patterns on the wafer when producing very high volumes of chips. However, cycle times can be long depending on the complexity of the masks that must be made. The emergence of maskless e-beam lithography is providing a complementary path ... » read more

Sidestepping Lithography In Chip Manufacturing
By Katherine Derbyshire - 23 May, 2024 - Comments: 0

Rising lithography costs, shrinking feature sizes, and the need for an alternative to copper are collectively spurring new interest in area-selective deposition. An extension of atomic layer deposition, ASD seeks to build circuit features from the bottom up, without relying on lithography. Lithography will remain a critical tool for the foreseeable future. But it has long been the most expen... » read more

Navigating The GPU Revolution
By Gregory Haley - 24 Apr, 2024 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to discuss the impact of GPU acceleration on mask design and production and other process technologies, with Aki Fujimura, CEO of D2S; Youping Zhang, head of ASML Brion; Yalin Xiong, senior vice president and general manager of the BBP and reticle products division at KLA; and Kostas Adam, vice president of engineering at Synopsys. What f... » read more

eBeam Initiative Marks Major Milestones Over 15 Years Of Photomasks And Lithography
By Jan Willis - 18 Apr, 2024 - Comments: 0

The eBeam initiative celebrated its 15th anniversary at the recent SPIE Advanced Lithography + Patterning Conference. 130 members of the mask and lithography community attended the annual lunch to mark the milestone. The eBeam Initiative welcomed its 53rd member, FUJIFILM Corporation, having grown from 20 members and advisors at its launch. FUJIFILM is the first company from the chemical supply... » read more

Fabrication Of Vertical-Taper Structures For Silicon Photonic Devices By Using Local-Thickness-Thinning Process
By Advantest - 09 Apr, 2024 - Comments: 0

Authors: Shunsuke Abe, Hideo Hara, Shin Masuda, and Hirohito Yamada. This paper describes a simple fabrication process of verticaltaper structures which can locally tune the thickness of silicon photonic devices. For low-loss spot-size conversion, taper angles less than 10° are required. To fabricate the gradual-slope shape of the vertical tapers, we have developed a step-andexposure lithog... » read more

The High NA EUV Imperative: How Computational Lithography Solutions Enable Us To Think Smaller
By Gandharv Bhatara - 21 Mar, 2024 - Comments: 0

The future of computing depends on miniaturization, and extreme ultraviolet lithography (EUV) is one key enabler. Until recently, we have relied on low numerical aperture (NA) EUV systems with an aperture of 0.33 to help us reduce the size of integrated circuits (ICs). As with deep ultraviolet (DUV) technology, this has begun to reach its limits. High NA EUV lithography with a 0.55 aperture rep... » read more

Industry Luminaries Highlight Opportunities For Advancing The Non-EUV Leading Edge
By Jan Willis - 19 Dec, 2023 - Comments: 0

The eBeam Initiative’s 12th annual Luminaries survey in 2023 reported a range of nodes from >5nm to 14nm as the most advanced non-EUV nodes using 193i lithography. A panel of semiconductor photomask and lithography experts debated several of the survey results, including this one, to provide more insights behind the results. Aki Fujimura, CEO of D2S, Inc., the managing company sponsor of t... » read more

Semiconductor Device Manufacturing Process Challenges And Opportunities
By Andreas Bier - 07 Dec, 2023 - Comments: 0

Semiconductor device manufacturing involves a complex series of processes that transform raw materials into finished devices. The process typically involves four major stages: wafer fabrication, wafer testing, assembly or packaging, and final testing. Each stage has its own unique set of challenges and opportunities. The semiconductor device manufacturing process faces several challenges, inclu... » read more

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