Metrology And Inspection For The Chiplet Era


New developments and innovations in metrology and inspection will enable chipmakers to identify and address defects faster and with greater accuracy than ever before, all of which will be required at future process nodes and in densely packed assemblies of chiplets. These advances will affect both front-end and back-end processes, providing increased precision and efficiency, combined with a... » read more

3D Metrology Meets Its Match In 3D Chips And Packages


The pace of innovation in 3D device structures and packages is accelerating rapidly, driving the need for precise measurement and control of feature height to ensure these devices are reliable and perform as expected throughout their lifetimes. Expansion along the z axis is already well underway. One need look no further than the staircase-like 3D NAND stacks that rise like skyscrapers to p... » read more

Using Predictive Maintenance To Boost IC Manufacturing Efficiency


Predicting exactly how and when a process tool is going to fail is a complex task, but it's getting a tad easier with the rollout of smart sensors, standard interfaces, and advanced data analytics. The potential benefits of predictive maintenance are enormous. Higher tool uptime correlates with greater fab efficiency and lower operating costs, so engineers are pursuing multiple routes to boo... » read more

Progress In Wafer And Package Level Defect Inspection


The technology to enable sampling and the need for more metrology and inspection data in a production setting have aligned just in time to address the semiconductor industry’s newest and most complex manufacturing processes. In both wafer and assembly manufacturing, engineering teams have long relied on imaging tools to measure critical features and to inspect for defects after specific pr... » read more

AI/ML Challenges In Test and Metrology


The integration of artificial intelligence and machine learning (AI/ML) into semiconductor test and metrology is redefining the landscape for chip fabrication, which will be essential at advanced nodes and in increasingly dense advanced packages. Fabs today are inundated by vast amounts of data collected across multiple manufacturing processes, and AI/ML solutions are viewed as essential for... » read more

Laser Wavelength Selection In Raman


Laser wavelength selection, a critical determinant of accuracy and data quality, is guided by factors such as resonance, fluorescence, and sample absorption. Ensuring the correct laser wavelength leads to optimal excitation and signal strength, facilitating precise and informative analysis. Luminous evolution In the early days of Raman spectroscopy, light sources like arc lamps and incan... » read more

Chip Industry Week In Review


By Adam Kovac, Gregory Haley, and Liz Allan. Cadence plans to acquire BETA CAE Systems for $1.24 billion, the latest volley in a race to sell multi-physics simulation and analysis across a broad set of customers with deep pockets. Cadence said the deal opens the door to structural analysis for the automotive, aerospace, industrial, and health care sectors. Under the terms of the agreement, 6... » read more

Blog Review: Feb. 14


Siemens’ Dilan Heredia and Karen Chow explain why fast, accurate parasitic extraction (PEX) is essential to design success, especially for the 3 nm node and GAAFETs. Synopsys’ Srinivas Velivala debunks the myth that layout-versus-schematic (LVS) checking is a static step in the chip development process, and details its evolving role in modern SoCs. Cadence’s Mark Seymour digs into a... » read more

Chip Industry Week In Review


By Jesse Allen, Linda Christensen, and Liz Allan.  The Biden administration plans to invest more than $5B  for semiconductor R&D and workforce support, including in the National Semiconductor Technology Center (NSTC), as part of the rollout of the CHIPS Act. Today's announcement included at least hundreds of millions for the NSTC workforce efforts, including creating a Workforce Cente... » read more

Hidden Costs And Tradeoffs In IC Quality


Balancing reliability against cost is becoming more difficult for semiconductor test, as chip complexity increases and devices become more domain-specific. Tests need to be efficient and effective without breaking the bank, while also ensuring chips are of sufficient quality for their specific application. The problem is that every new IC device adds its own set of challenges, from smaller f... » read more

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