New Mentor Graphics Tessent YieldInsight Product Improves IC Yield Through Statistical Analysis of Test Failure Data
02 11월 2009 - 8:00PM
Business Wire
Mentor Graphics Corporation (NASDAQ:MENT) today announced the
new Tessent™ YieldInsight™ product, adding to the company’s
portfolio of yield analysis solutions for manufacturers of advanced
digital integrated circuits (ICs). The new product statistically
analyzes large volumes of production test failure diagnosis data
produced by the Mentor Graphics Tessent Diagnosis tool (formerly
called YieldAssist™), helping manufacturers recognize, locate and
fix design- and process-related yield problems to improve IC
manufacturing quality levels.
“TSMC has been using Mentor Graphics failure diagnosis tools for
the past year,” said Shauh-Teh Juang, senior director of Design
Infrastructure Marketing at TSMC. “We have found that Mentor’s
unique chain and at-speed diagnosis capabilities accurately
diagnose failing die and can effectively pin-point problem areas
within the die, even when the problem is internal to a cell, which
is very important for physical failure analysis. We look forward to
continuing collaboration with Mentor on the new statistical
analysis capabilities being announced today.”
“We have been using diagnosis-driven yield analysis flows for
years,” said Davide Appello, Design-to-Test Engineering Manager at
STMicroelectronics’ Automotive Products Division. “Using the
statistical analysis features of Tessent YieldInsight, we are able
to identify yield issues in days, as well as determining the impact
of process modifications by carefully examining the failure
signatures.” According to Olivia Riewer, DfX Logic Diagnosis
Manager at STMicroelectronics Technology R&D Central CAD &
Design Solutions, “We have been validating the effectiveness of
Mentor Graphics’ solution for more than one year and the
layout-aware diagnosis feature brings much added value. The overall
solution fits well into our design and test infrastructure and it
is now integrated into our automated flow for volume diagnosis,
which is deployed to product groups within STMicroelectronics.”
“Mentor’s yield analysis solution will make a huge impact on our
customers’ ability to rapidly ramp their production yield,” said
Joseph Sawicki, Vice President and General Manager for the
Design-to-Silicon Division at Mentor Graphics. “For the first time
in the industry we are really closing the design-to-silicon loop by
extracting statistical information from silicon test failure data
and using it to identify precisely where in the design or
manufacturing process we can best impact yield and quality.”
Meeting the Challenge of Systematic Yield Issues with
Diagnosis-Driven Yield Analysis
ICs being developed at advanced technology nodes of 65nm and
below exhibit an increased sensitivity to small manufacturing
variations. New design-specific and feature-sensitive failure
mechanisms are on the rise. Complex interactions between the
manufacturing process and inherently more sensitive layout features
can cause systematic yield-related issues. IC manufacturers need a
yield analysis methodology capable of employing logical design and
layout information along with high-volume test failure data. The
Mentor Graphics Tessent solution combines the automated scan test
failure collection and diagnosis capabilities in the Tessent
Diagnosis tool with advanced statistical analysis and data mining
techniques in the new Tessent YieldInsight product. The Tessent
YieldInsight tool brings innovative design-correlated analysis
methods that supplement traditional fab-centric yield management
systems. In a manner consistent with yield and failure analysis
tools, it steps the user through the process of selecting and
filtering populations of failing die, grouping die that are failing
for similar reasons, and analyzing various aspects of these
populations to identify and locate systematic yield loss
mechanisms.
Availability
Tessent YieldInsight and Tessent Diagnosis are available
now.
About Mentor Graphics
Mentor Graphics Corporation (NASDAQ: MENT) is a world leader in
electronic hardware and software design solutions, providing
products, consulting services and award-winning support for the
world’s most successful electronics and semiconductor companies.
Established in 1981, the company reported revenues over the last 12
months of about $800 million and employs approximately 4,425 people
worldwide. Corporate headquarters are located at 8005 S.W. Boeckman
Road, Wilsonville, Oregon 97070-7777. World Wide Web site:
http://www.mentor.com/.
(Mentor Graphics is a registered trademark and Tessent,
YieldAssist and YieldInsight are trademarks of Mentor Graphics
Corporation. All other company or product names are the registered
trademarks or trademarks of their respective owners.)
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