tag: process modeling

Building Predictive And Accurate 3D Process Models
By Pradeep Nanja - 21 Sep, 2020 - Comments: 0

Process engineers and integrators can use virtual process modeling to test alternative process schemes and architectures without relying on wafer-based testing. One important aspect of building an accurate process model is to ensure that the model is calibrated. Having a calibrated model is important, since it provides assurance to the process integrators and engineers that the model will refle... » read more

Process Model Calibration: Building Predictive And Accurate 3D Process Models
By Coventor - 16 Sep, 2020 - Comments: 0

The semiconductor industry has always faced challenges caused by device scaling, architecture evolution and process complexity and integration. These challenges are coupled with a need to provide new technology to the market quickly. In the initial stages of semiconductor technology development, innovative process flow schemes must be tested using silicon test wafers. These wafer tests are leng... » read more

Process Model Calibration: Building Predictive and Accurate 3D Process Models
By Coventor - 20 Aug, 2020 - Comments: 0

The semiconductor industry has always faced challenges caused by device scaling, architecture evolution and process complexity and integration. These challenges are coupled with a need to provide new technology to the market quickly. In the initial stages of semiconductor technology development, innovative process flow schemes must be tested using silicon test wafers. These wafer tests are leng... » read more

Semiconductor Memory Evolution And Current Challenges
By Michael Hargrove - 16 Jul, 2020 - Comments: 0

The very first all-electronic memory was the Williams-Kilburn tube, developed in 1947 at Manchester University. It used a cathode ray tube to store bits as dots on the screen’s surface. The evolution of computer memory since that time has included numerous magnetic memory systems, such as magnetic drum memory, magnetic core memory, magnetic tape drive, and magnetic bubble memory. Since the 19... » read more

An Introduction To Semiconductor Process Modeling
By Jeonghoon (James) Kim - 20 Dec, 2019 - Comments: 0

Semiconductor process engineers would love to develop successful process recipes without the guesswork of repeated wafer testing. Unfortunately, developing a successful process can’t be done without some work. This blog will discuss an efficient technique to develop new process steps faster, with much less effort. Basic concept The easiest way to predict a process result is to model its b... » read more

Advanced Patterning Techniques For 3D NAND Devices
By Yu De Chen - 15 Aug, 2019 - Comments: 0

By Yu De Chen and Jacky Huang Driven by Moore’s law, memory and logic semiconductor manufacturers pursue higher transistor density to improve product cost and performance [1]. In NAND Flash technologies, this has led to the market dominance of 3D structures instead of 2D planar devices. Device density can be linearly increased by increasing stack layer counts in a 3D NAND device [2]. At th... » read more

Creating Higher Density 3D NAND Structures
By Timothy Yang - 21 Feb, 2019 - Comments: 0

3D NAND flash memory has enabled a new generation of non-volatile solid-state storage useful in nearly every electronic device imaginable. 3D NAND can achieve data densities exceeding those of 2D NAND structures, even when fabricated on later generation technology nodes. The methods used to increase storage capacity come with potentially significant tradeoffs in memory storage, structural sta... » read more

Analyzing Worst-Case Silicon Photonic Device Performance Through Process Modeling And Optical Simulation
By Ryan Miller - 24 Jan, 2019 - Comments: 0

Silicon photonics is an emerging and rapidly-expanding design platform that promises to enable higher-bandwidth communication and other applications. One of the best qualities of silicon photonics is its ability to leverage existing CMOS fabrication equipment and process flows. However, this means that it is subject to the same process defects and variations. Previous blog posts [References 1,2... » read more

Semiconductor Process Development: Finding A Faster Way To Profitability
By Katherine Gambino - 20 Feb, 2017 - Comments: 0

Building a chip fabrication facility requires billions of dollars in investment for land, buildings, processing equipment, chemical and hazardous material safety, not to mention the deployment of hundreds of highly experienced process engineering and manufacturing personnel. Bringing up an advanced semiconductor process in any fab, new or established, is a several-hundred-million dollar effort,... » read more

3D NAND Flash Processing
By Coventor - 16 Mar, 2016 - Comments: 0

Coventor’s powerful SEMulator3D semiconductor process modeling platform offers a wide range of technology development capabilities for the development of cutting edge 3D NAND Flash Technology. 3D NAND promises high memory cell density with reduced data corruption, but also brings processing challenges. The structural complexity and inherent 3D nature of devices using 3D NAND require a predict... » read more

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