Mentor Graphics and GLOBALFOUNDRIES Improve Yield Analysis with Combination of Tessent and Calibre Capabilities
29 8월 2011 - 10:00PM
Business Wire
Mentor Graphics Corporation (NASDAQ: MENT) today announced an
innovative approach to IC yield analysis that combines the
layout-aware production test failure diagnosis capabilities of the
Tessent® Diagnosis and Tessent YieldInsight® products with the
design for manufacturing (DFM) analysis facilities of the Calibre®
YieldAnalyzer tool. The new methodology enables customers to
identify and understand systematic yield loss, and to determine if
the systematic yield loss is correlated to DFM violations.
“Diagnosis-driven yield analysis is an established
yield-learning methodology at GLOBALFOUNDRIES for internal
technology development, as well as for accelerating the yield ramp
for our customer products,” said Thomas Herrmann, MTS product
engineer, GLOBALFOUNDRIES. “The addition of DFM-aware yield
analysis helps us and our customers to separate design- and
process-related yield limiters, and reduces the time to find the
root causes of yield loss. We can also use the technology to
optimize DFM rules to address specific customer needs and
priorities, which leads to reduced manufacturing variability for
re-spins and future designs.”
In the DFM-aware yield analysis flow, test data from digital
semiconductor devices that have failed manufacturing test is used
to perform layout-aware failure diagnosis with the Tessent
Diagnosis product, which provides information such as defect
classifications and suspected defect locations. The Calibre
YieldAnalyzer product leverages GLOBALFOUNDRIES’ Manufacturing
Analysis and Scoring (MAS) deck to identify features of the layout
that have higher sensitivities to manufacturing variability. The
Tessent YieldInsight product analyzes this information to identify
and understand systematic yield loss, and determine if this yield
loss is associated with known DFM-sensitive layout structures.
“Mentor continues to drive towards meaningful interactions
between the design and manufacturing test flows,” said Greg
Aldrich, marketing director for the Silicon Test Solutions group at
Mentor Graphics. “This is much more than allowing tools to exchange
data—it’s incorporating powerful data mining and statistical
analysis capabilities that leverage the knowledge and experience of
experts from both the design and manufacturing areas.”
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 electronic, semiconductor and systems
companies. Established in 1981, the company reported revenues over
the last 12 months of about $915 million. Corporate headquarters
are located at 8005 S.W. Boeckman Road, Wilsonville, Oregon
97070-7777. World Wide Web site: http://www.mentor.com/.
(Mentor Graphics, Calibre, Tessent and YieldInsight are
registered trademarks of Mentor Graphics Corporation. All other
company or product names are the registered trademarks or
trademarks of their respective owners.)
Mentor Graphics Corp. (NASDAQ:MENT)
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