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Big Data Analytics and AI for Smart
Manufacturing in Semiconductor Industry
Kirk Hasserjian
Corporate Vice President | Applied Global Services | Applied Materials
November 13, 2018
SEMICON Europa 2018
External Use
Smart Manufacturing = Industry 4.0
Source: Deloitte research
2
Power Generation
Industrialization
Electric Automation
Late 18th century
Start of the 20th century
1970s to 2000s
Steam engines and hydraulic
power drive improved
productivity and enabled
industrialization
Advances in computing and
the internet allow for
information to be captured
and transferred more quickly
than ever before
Electricity and assembly lines
paved the way for mass
manufacturing, improved
infrastructure, and advances
in financing and credit
markets
Execution of connected
products, customers, and
supply chain and
operations - driven by a
vast network of cyber-
physical systems
Optimize Traditional Objectives…Cost Innovation Service
Quality Safety Flexibility
4th Industrial Revolution
Digital Supply Networks
…By Better ManagingVisibility Variability
Volume Velocity
…and New Objectives…
Revenue
External Use
Smart Manufacturing Vision in Semiconductor Industry
3
VIRTUAL FACTORY
CYBER-PHYSICAL
SYSTEMS
SUPPLY CHAIN
NETWORK
MANUFACTURING
BIG DATA Infrastructure
DIGITAL TWIN KNOWLEDGE NETWORK
Tool, Process, Yield & Facility DataSubject Matter
Expertise (SME)
Smart Manufacturing requires integration of Big Data Analytics, Knowledge Network & Digital Twin
External Use
Smart Manufacturing Challenges in Semiconductor Industry
4
Data driven analytics by itself cannot address challenges in semiconductor industry
Process Dynamics
▪ Process drift/shift and variability
▪ Complicated maintenance practices
▪ Model portability and maintenance
Online BehaviorData In Motion
Big Data
Analytics
Solutions
Tool
ExpertsProcess
Experts
Solution
Experts
Other Issues
▪ Poor data quality
▪ Poor process visibility
▪ Data and IP security
Overall Need
Incorporating Subject Matter
Expertise (SME) in models
Equipment & Process Complexity
▪ Multivariate interactions
▪ Strong context data sensitivity
▪ Long data archives needed
▪ Data clustering and pre-treatment
* From: Moyne, J. and Banna, S., Beyond Traditional
Advanced Process Control: APC in Smart Manufacturing
(invited) e-Manufacturing & Design Collaboration Symposium 2018, Hsinchu, Taiwan,
September 2018. Available via: http://http://www.tsia.org.tw/seminar/eManufacturing2018/
External Use5
Big Data in Semiconductor Manufacturing
1,000,000,000,000,000
300mmSingle tool
>500tools per fab*
50KBdata per second
per tool
~1PBannual data per fab
How to Make Sense of the Big Data?
0
600
800
1,000
1,200
14/1620284565 10 7 5
3x
Nodes Progression (nm)
3D Device
Architectures2D Device
Architectures* 30K wspm fab Source: VLSI Research & Applied Materials
20182006
Increase in Sophistication of
Process Tools
No. of Process Steps
Grows 3x with Nodes
Quadrillions of Data Points
by 2018
0
40,000
Defect and Metrology
Dep
Litho
Etch
Others (WIP, CMP, Design etc.)
External Use
Process Control Critical for Advanced Nodes
6
3D NAND PROCESS COMPLEXITY:
▪ Transitions for 50-100 steps
▪ Short time 5 sec OX/ 15 sec NIT
▪ Film quality of ~ 250A OX/ 300A NIT
Time
Bo
tto
m T
un
er
Po
we
r
Need techniques to control transitions in simplified manner
Leading edge process requires highly repeatable control of process variations
External Use
Big Data & Computational Process Control (CPC)
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CPC(Computational Process Control)
ANALYTICSSoftware, Modeling/Algorithms,
Machine Learning
EQUIPMENTDesign, Materials, Components
DATA ENGINESensors, Metrology, Data
Structure
PROCESSApplications
Comprehensive Knowledge Network with SME is essential to making decisions based on Big Data
External Use8
Building Secure, End-to-End Solution
Secure Tool
Connection
Applied Tools
Fleet Analytics
• High performance database
• Advanced analytics software
• Used by Applied process
and equipment experts
• Process, equipment,
analytics and yield expertise
• Big Data infrastructure and
algorithms
• Data collection plans
• Sensors & in-situ analytics
Knowledge Network
Secure
Remote
Connection
Inline Metrology
• Film thickness, CD, defects
Field Service Server
(FSS)
Inside Semiconductor Fab
Increased collaboration increases customer benefit
External Use
Virtual Sensors: Concept
9
Equipment Sensor + Physics-Based Models = Virtual Sensors
Examples
▪ Clean end point
▪ Wafer temperature
▪ Liquid line clogging
Leverage Applied Materials domain knowledge + data analytics to provide new capabilities
External Use10
Machine Learning Leveraging SME
▪ Advanced nodes requiring tighter
process control
▪ Excursion risks between metrology
monitors
▪ Process tuning/control for WtW / WiW
▪ Excursion control with 100% sampling
▪ CoO reduction with reduced metrology
monitor
▪ Wafer output increase
PROBLEM SOLUTION RESULT & BENEFIT
▪ Machine Learning application to predict
WtW and WiW Deposition or Etch
metrology results using tool sensor
signals and advanced algorithms for
each wafer run
Machine Learning enables WtW & WiW process control
External Use
AI to Improve CPC
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▪ False positives in identifying
equipment health anomalies
▪ Complex setup required for traditional
FDC methods
▪ Validated with multiple lab and high
volume manufacturing datasets
▪ Automated setup
▪ Robust to subtle and large anomalies
PROBLEM SOLUTION RESULT & BENEFIT
▪ Using machine learning and AI
algorithms to identify anomalies based
on sample of good runs
AI/Machine Learning techniques combined with SME: Next Horizon for CPC
External Use12
Summary
▪ Smart Manufacturing (= Industry 4.0) in semiconductor industry requires integration of big
data analytics, knowledge network and digital twin.
▪ As data explodes in semiconductor manufacturing with node advancement, process
control becomes even more critical.
▪ Applied Material’s Computational Process Control (CPC) solutions address big data
challenges in semiconductor smart manufacturing, with knowledge network incorporating
Subject Matter Expertise (SME).
▪ Increased collaboration with customers with strong data security is critical to fully realize
process control benefit for advanced nodes.