Yield hub high level presentation jod

Private Cloud Yield Software

MFG Vision solutions leverage the power of a
scalable central server to enable global
collaboration in semiconductor manufacturing
yield improvement

Copyright MFG Vision Ltd www.mfgvision.com
Tuesday 9 April 13


Presentation Overview:
• Company
• Key Productivity-Enhancing Attributes
• IT and Security
• Data Formats
• Support

Tuesday 9 April 13


MFG Vision Ltd
• Started in 2005 by ex Analog Devices
personnel
• Experts in Semiconductor Test,
Operations & Data processing and
Databases
• (LAMP-based) Installations in USA & EU
• Key reference installations include Cirrus
Logic Austin Texas (Terabytes of data
volumes)
• Auto processing of data, integrating fab,
probe, test, MES; alerts, automated
reporting
Tuesday 9 April 13


MFG Vision Ltd
• HQ & Product Design: Ireland
• Software development: The Philippines
• Support from The Philippines, UK,
Taiwan, Israel and California
• Sales Reps and local support in
California, UK, Israel, Taiwan

• 24/5 support on-line & via hot-line
• Support highly rated by our customers

Tuesday 9 April 13


Customer Quotes

Your technology has increased our engineering productivity by between 15 and 20%. Your tools allows us to
review the data quickly and provide the data to our customers in graphical form to easily explain the issues and
the potential root cause. When you have customer conference calls to explain technical delays, having the data is
the only thing that keeps them under control. We have eliminated the “gut feel” approach.
- Director of Product and Test Engineering
International Rectiﬁer, U.S.A.

Tuesday 9 April 13


Key Attributes of Our Software
• We separate the user from the raw production
data....they interact instead with an extremely efﬁcient
database
• All the production data has been automatically processed into
the database by the time they interact with it online
• Our software links up the different sources of data
ofﬂine
• User enjoys extremely fast correlation analysis online
• Our software summarizes data on the way into the
database
• User experiences swift analysis & reporting online
Tuesday 9 April 13


MFG Vision Solutions

Tuesday 9 April 13


Other Attributes of Our Software
• While the data is being processed into the database it can
trigger emailed alerts to users
• The alerts are for new material the user wanted to see or
unexpected behavior from the material
• Our software includes smart aggregation algorithms
• this improves the accuracy of reports
• Our software is highly iconized (or “single-click”)
• Making it very easy for an engineer to get up and running

Tuesday 9 April 13


The tools

• The tools needed for engineers to improve yield
• Based on decades of experience and feedback over the
past 8 years from our user base
• The engineers can be anywhere, not just tethered
to their desk-top (can even use their phone)
• They can go from high level reports down to the
die level in a few clicks
• They can share and/or record what they see on-line
in the private cloud

Tuesday 9 April 13


• Emphasis throughout on
simple, fast and clear
analysis
• e.g. Opposite we have
100 wafers stacked
for a scan stress test
• This was done in 8 secs
on a smart phone
• Quickly can see which x/
y had the least and most
fails
• e.g. three x/ys had 6
fails across the 100
wafers
Tuesday 9 April 13


Productivity-Enhancing
Attributes

Analysis when, where, & how you need it
• Automatic Notiﬁcations
• Instant Collaboration
• Perpetual Knowledge Base
• Smart Processing Engine

Tuesday 9 April 13


Servers do the heavy lifting!

•Fully web-based
•Central DB, no desktop SW, available anywhere,
anytime
• Fast
•powerful servers, One-click analysis
•no waiting to download data
• Simple
•What you need to know, dig in if you need to.

Tuesday 9 April 13


Snapshots

Tuesday 9 April 13


Notiﬁcations
• Yield problems
• Tests or Bin anomalies
• As new data becomes available
• Custom reports
• Whatever’s important to you
• All automatically “pushed” to you
• Your desktop
• Phone
• Tablet

Tuesday 9 April 13


Example Notiﬁcations

Tuesday 9 April 13


Collaboration

• Instantly share analysis & reports
• fully interactive for those who receive them
• Approval loops can be added for custom
reports
•Special Licenses
• Manufacturing partners
• Executive Management reporting
•Fully customizable access controls
• Secure team based collaboration
Tuesday 9 April 13


Perpetual Knowledge Base
•Annotate data, add information
•Debug info
•Supporting docs
•Pictures, bins, wafers, lots, testers & other
equipment, subcons, programs, products, individual
die
• Info available to all team members
•Always available, lives forever
•Easy customer reporting
•Enables simpliﬁed root cause analysis of returns
Tuesday 9 April 13


Yield Analytics
1. Select datalogs
2. Within seconds see what is affecting yield (tester?
probe card? fab lotid? etc)
3. Then see which tests are most inﬂuenced
by the key items affecting yield
4. This can also be run every day automatically and email
sent to user with report

Tuesday 9 April 13


Table of Analysis Tools (non-exhaustive)

Yield: Bins: Tests: Dice: Other Tools:

Performance of Die Vs
Trends Paretos Test Chart Gallery ANOVA
All other Die

Smart Yield based on Click from Scatter and
Tables Filtered Analysis Genealogy Correlation
Rescreen Alg from Wafermap to Die

Stacked Wafer Yield Multi-site Trend Analysis Comment on Die Comprehensive Search

Track Die thru
Daily Yield Reports Correlate Bins vs Tests Download Raw Data All reports shareable
Manufacturing

Good Die in Bad PDF Version of
First Pass Vs Final Yield Comment on Bins Correlate Tests
Neighborhood Reports/Analyses

Group Vs Group High Reliability PartId
Low Yield Reports Target Cp/Cpk Customizable Charts
Comparison of Bins reports
Tuesday 9 April 13

Sample Images

Tuesday 9 April 13


Additional information

• IT and Security
• Data Formats
• Support

Tuesday 9 April 13


IT and Security
• Either you or Mfg Vision host the data
• Either way your data is secure
• If we host, we can setup an encrypted VPN tunnel
between our server and the company network
• Only those with VPN can connect
• FTP only through VPN to secure the transfer
• The conﬁguration is a scalable
• LAMP server with multiple CPUs with at least
16GB of RAM (64GB+ for high vol installations)
• Server conﬁg based on volume of data
Tuesday 9 April 13


Data Formats
• Supported formats
• STDF
• WAT/PCM formats
• Ascii formats specified by customer
• Binary formats with a specification
• Any formats defined by customer
• Support special requests from customers

Tuesday 9 April 13


Support
• Implementation done on-site or remotely
• 24/5 on-line support via a ticket system
• Response time: within 3 hours
• Median bug ﬁx time: 2 days
• Local user assistance available in a growing set of regions

Tuesday 9 April 13

Yield hub high level presentation jod

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