SiC Growth For EVs Is Stressing Manufacturing


The electrification of vehicles is fueling demand for silicon carbide power ICs, but it also is creating challenges in finding and identifying defects in those chips. Coinciding with this is a growing awareness about just how immature SiC technology is and how much work still needs to be done — and how quickly that has to happen. Automakers are pushing heavily into electric vehicles, and t... » read more

Battling Over Shrinking Physical Margin In Chips


Smaller process nodes, coupled with a continual quest to add more features into designs, are forcing chipmakers and systems companies to choose which design and manufacturing groups have access to a shrinking pool of technology margin. In the past margin largely was split between the foundries, which imposed highly restrictive design rules (RDRs) to compensate for uncertainties in new proces... » read more

Wi-Fi 7 Moves Forward, Adding Yet Another Protocol


The latest generation Wi-Fi protocol brings better speeds and data handling, but it does little to bridge various communications technologies. That, in turn, makes it more difficult and more expensive to design chips because they must integrate and support multiple wireless technologies, including different versions of the same technology. Wireless communications technologies are often victi... » read more

Pinpointing Timing Delays in Complex SoCs


Telemetry circuits are becoming a necessity in complex heterogeneous chips and packages to show how these devices are behaving post-production, but fusing together relevant data to identify the sources of problems adds its own set of challenges. In the past, engineering teams could build margin into chips to offset any type of variation. But at advanced nodes and in advanced packages, tolera... » read more

The Uncertainties Of RISC-V Compliance


How far can a RISC-V design be pushed and still be compliant? The answer isn't always black-and-white because the RISC-V concept is very different from previous open-source projects. But as interest and activity in RISC-V continues to grow, constructive discussions are taking place to address some of the challenges of designing with an open-standard ISA. “The RISC-V standard is somethin... » read more

From Lab To Fab: Increasing Pressure To Fuse IC Processes


Test, metrology, and inspection are essential for both the lab and the fab, but fusing them together so that data created in one is easily transferred to the other is a massive challenge. The chip industry has been striving to bridge these separate worlds for years, but the economics, speed, and complexity of change require a new approach. The never-ending push toward smaller, better-defined... » read more

How Metrology Tools Stack Up In 3D NAND Devices


Multiple innovations in semiconductor processing are needed to enable 3D NAND bit density increases of about 30% per year at ever-decreasing cost per bit, all of which will be required to meet the nonvolatile storage needs of the big data era. 3D NAND is the first truly three-dimensional device in production. It is both a technology driver for new metrology methods and a significant part of ... » read more

Data Leakage Becoming Bigger Issue For Chipmakers


Data leakage is becoming more difficult to stop or even trace as chips become increasingly complex and heterogeneous, and as more data is stored and utilized by chipmakers for other designs. Unlike a cyberattack, which typically is done for a specific purpose, such as collecting private data or holding a system ransom, data leaks can spring up anywhere. And as the value of data increases, th... » read more

Nanoimprint Finally Finds Its Footing


Nanoimprint lithography, which for decades has trailed behind traditional optical lithography, is emerging as the technology of choice for the rapidly growing photonics and biotech chips markets. First introduced in the mid-1990s, nanoimprint lithography (NIL) has consistently been touted as a lower-cost alternative to traditional optical lithography. Even today, NIL potentially is capable o... » read more

Using AI To Improve Metrology Tooling


Virtual metrology is carefully being added into semiconductor manufacturing, where it is showing positive results, but the chip industry is proceeding cautiously. The first use of this technology has been for augmenting existing fab processes, such as advanced process control (APC). Controlling processes and managing yield generally do not require GPU processing and advanced algorithms, so t... » read more

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