tag: wafers

From Latency To Reaction: Simulating The Next Wafer Demand Inflection
By Sungho Yoon - 21 Aug, 2025 - Comments: 0

The semiconductor industry faces an unprecedented paradox: AI demand is booming, fab investments are rising, yet wafer shipments remain stubbornly flat. What's driving this disconnect, and when will it break? As of mid-2025, the global silicon wafer market appears calm on the surface, but underlying structural tensions are quietly mounting. The demand for AI semiconductors remains resilient,... » read more

A Flexible Cluster Tool Simulation Framework With Wafer Batch Dispatching Time Recommendation
By UMC - 19 Dec, 2023 - Comments: 0

The semiconductor manufacturing process consists of multiple steps and is usually time-consuming. Information like the turnaround time of a certain batch of wafers can be very useful for manufacturing engineers. A simulation model of manufacturing process can help predict the performance of manufacturing process efficiently, which is very beneficial to the manufacturing engineers. The simulatio... » 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

Detection Of Contaminants In Positive And Negative Ion Mode Using In-line SIMS With An Oxygen Primary Ion Beam
By Nova - 09 May, 2023 - Comments: 0

Utilizing Secondary Ion Mass Spectrometry (SIMS) for in-line metrology is a newly emerging method of process control that requires contamination-free measurements, enabling SIMS on product wafers. SIMS measurements of negative ions are usually associated with a Cesium primary ion beam. Unfortunately, when Cesium is present in Silicon, it forms trap states in the Si band gap, which can cause ser... » read more

Hunting For Macro Defects: The Importance Of Bare Wafer Inspection
By Aseem Srivastava - 08 Sep, 2022 - Comments: 0

As logic and memory semiconductor devices approach the limits of Moore’s Law, the requirements for accuracy in layer transfer become increasingly stringent. One leading silicon wafer manufacturer estimates that 50% of epitaxial wafer supply for logic will be on nodes equal to or less than 7nm. This is up approximately 30% from earlier in the decade. To meet the demands of extreme ultraviol... » read more

Power/Performance Bits: June 28
By Jesse Allen - 28 Jun, 2022 - Comments: 0

Making uniform wafers Scientists from the Korea Institute of Machinery & Materials (KIMM) and Nanyang Technological University Singapore (NTU Singapore) propose a technique that combines nanotransfer printing with metal-assisted chemical etching to improve wafer uniformity and increase yield. The researchers used a chemical-free nanotransfer printing technique that transfers gold nanost... » read more

Innovative Dual Mark Design For Alignment Verification And Process Monitoring In Advanced Lithography
By UMC - 21 Jul, 2021 - Comments: 0

Improving on product overlay is one of the key challenges when shrinking technology nodes in semiconductor manufacturing. . . . With smart placement of alignment mark pairs in the X and Y direction, it is possible to determine intra-wafer distortion wafer-by-wafer. Both the measurement and modeled results are applied directly as a feed-forward correction to enable wafer level control. In this p... » read more

Greenfield Projects Needed To Meet Silicon Wafer Demand
By Sungho Yoon - 17 Jun, 2021 - Comments: 0

After logging record shipments in the first quarter of 2021, the silicon wafer industry may need to start greenfield projects as soon as this year to boost capacity over the next two years as market demand and average selling prices continue to improve. One segment hamstrung by a supply shortage is 300mm epitaxial wafers, a shortfall we expect to drive continuing price increases in the comin... » read more

Gradual Rebound Or Slight Dip
By Sungho Yoon - 16 Apr, 2020 - Comments: 0

Uncertainty has gripped the silicon wafer market as the COVID-19 pandemic threatens to upend growth projections for 2020. Declines in both shipments and revenue plagued the silicon wafer market in 2019, a downturn that had given way to optimism for 2020 with rising expectations for normalizing inventory levels, memory market improvements, data center market growth and the 5G market takeoff. ... » read more

Sandia’s Fab Gets An Upgrade
By Nishita Rao - 17 Dec, 2019 - Comments: 0

Sandia National Laboratories just finished updating equipment in its microelectronics fab, marking the completion of the first phase of a 3-year fab upgrade program. The transition from 6-inch to 8-inch wafer sizes will align the Department of Energy national lab with industry standards to ensure easier access to tools, spare parts and raw materials. Sandia is a prestigious member of the... » read more

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