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SEMI M52-0703 © SEMI 2002, 2003 1 SEMI M52-0703 GUIDE FOR SPECIFYING SCANNI NG SURFACE INSPECTION SYSTEMS FOR SILICON WAFERS FOR THE 130-nm TECHNOLOGY GENERATION This guide was technically approved b y the Global Silicon…

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SEMI M51-0303 © SEMI 2002, 2003 14
0 0.2 0.4 0.6 0.8 1 1.2
0
20
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E
ste
p
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B-mode ratio (%)
Tox: 25 nm
S: 10 mm
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High
Middle
Low
Figure R1-4
B-mode Failure Percent vs. Step Height of the Electric Field Stress with a Hold Time of 200 ms in TZDB
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SEMI M52-0703 © SEMI 2002, 2003 1
SEMI M52-0703
GUIDE FOR SPECIFYING SCANNING SURFACE INSPECTION
SYSTEMS FOR SILICON WAFERS FOR THE 130-nm TECHNOLOGY
GENERATION
This guide was technically approved by the Global Silicon Wafer Committee and is the direct responsibility
of the European Silcon Wafer Committee. Current edition approved by the European Regional Standards
Committee on April 3, 2003. Initially available at www.semi.org June 2003; to be published July 2003.
Originally published November 2002; previously published March 2003.
1 Purpose
1.1 This guide provides recommendations for
specifying Scanning Surface Inspection Systems
(SSIS) for the 130-nm technology generation. The
number and size of localized light scatterers (LLS) on
silicon wafers are specified by customers of silicon
wafer suppliers and are usually part of Certificates of
Compliance. Suppliers of silicon wafers and their
customers might measure these parameters using
equipment provided by different manufacturers of such
equipment or using different generations of equipment
from one supplier. Therefore, standardization of
various aspects of such measurement equipment both
improves data exchange and data interpretation and aids
in procurement of appropriate tools.
2 Scope
2.1 This guide outlines and recommends basic
specifications for SSIS equipment used for the 130-nm
technology generation as driven by the International
Technology Roadmap for Semiconductors: 1999
edition (ITRS)
1,2
and in the forecasts of the major
manufacturers of semiconductor devices.
NOTE 1: Future revisions of this Guide are expected to
reflect changed requirements for the 130-nm node as well as
requirements of other nodes.
2.2 The guide applies to measurement equipment used
for verifying the quality parameter LLS counts per
wafer in large scale production of bare polished or
epitaxial surfaces of silicon wafers, the back surface of
which may be polished or acid etched either bare or
covered by an unpatterned, homogeneous layer of
polysilicon or LTO (low temperature oxide). Artifacts
(e.g reference materials) for calibrating measurement
equipment might have different properties.
2.3 The guide also applies to measurement equipment
that provides only a subset of the measurement features
outlined in Table 3.
1 SEMATECH, 2706 Montopolis Drive, Austin, TX 78741-6499,
USA Website : www.sematech.org
2 More recent versions of the ITRS are available from the homepage
of International SEMATECH: www.sematech.org
NOTICE: This standard does not purport to address
safety issues, if any, associated with its use. It is the
responsibility of the users of this standard to establish
appropriate safety health practices and determine the
applicability of regulatory or other limitations prior to
use.
3 Limitations
3.1 This guide does not apply to measurement
equipment used to control intermediate process steps
during silicon wafer manufacturing. However, it may
be completely or partly used for measurement
equipment for those applications provided
corresponding constraints are appropriately identified.
3.2 This guide does not apply to measurement
equipment for SOI wafers (Silicon on Insulators) or
patterned wafers.
4 Referenced Standards
4.1 SEMI Standards
SEMI E1.9 — Mechanical Specification for Cassettes
Used to Transport and Store 300 mm Wafers
SEMI E5 — SEMI Equipment Commuications
Standard 2 Message Content (SECS-II)
SEMI E10 — Specifcation for Definition and
Measurement of Equipment Reliability, Availability,
and Maintainability (RAM)
SEMI E19 — Standard Mechanical Interface (SMIF)
SEMI E30 — Generic Model for Communications and
Control of Manufacturing Equipment (GEM)
SEMI E37 — High Speed SECS Message Services
(HSMS) Generic Services
SEMI E47 — Specification for 150 mm/200 mm Pod
Handles
SEMI E47.1 — Provisional Mechanical Specification
for Boxes and Pods Used to Transport and Store 300
mm Wafers
SEMI M52-0703 © SEMI 2002, 2003 2
SEMI E58 — Automated Reliability, Availability, and
Maintainability Standard (ARAMS): Concepts,
Behavior, and Services
SEMI E89 — Guide for Measurement System
Capability Analysis
SEMI M1 — Specification for Polished
Monocrystalline Silicon Wafers
SEMI M1.15 – Standard for 300 mm Polished
Monocrystalline Silicon Wafers (Notched)
SEMI M8 — Specification for Polished
Monocrystalline Silicon Test Wafers
SEMI M11 — Specifications for Silicon Epitaxial
Wafers for Integrated Circuit (IC) Applications
SEMI M12 — Specification for Serial Alphanumeric
Marking of the Front Surface of Wafers
SEMI M13 — Specification for Alphanumeric Marking
of Silicon Wafers
SEMI M24 — Specification for Polished
Monocrystalline Silicon Premium Wafers
SEMI M31 — Provisional Mechanical Specification for
Front-Opening Shipping Box Used to Transport and
Ship 300 mm Wafers
SEMI M35 — Guide for Developing Specifications for
Silicon Wafer Surface Features Detected by Automated
Inspection
SEMI M50 — Test Method for Determining Capture
Rate and False Count Rate for Surface Scanning
Inspection Systems by the Overlay Method
SEMI M53 — Practice for Calibrating Scanning
Surface Inspection Systems Using Certified
Depositions of Monodisperse Polystyrene Latex Sphere
on Unpatterned Semiconductor Wafer Surfaces
SEMI T7 — Specification for Back Surface Marking of
Double-Side Polished Wafers with a Two-Dimensional
Matrix Code Symbol
4.2 ASTM Standards
3
ASTM F 42 — Standard Test Methods for Conductivity
Type of Extrinsic Semiconducting Materials
ASTM F 84 — Standard Test Method for Measuring
Resistivity of Silicon Wafers with an In-Line Four-
Point Probe
3 ASTM International, 100 Barr Harbor Drive, West Conshohocken,
Pennsylvania 19428-2959, USA. Telephone: 610.832.9585, Fax:
610.832.9555 Website: www.astm.org
ASTM F 154 — Practices and Nomenclature for
Structures and Contaminants Seen on Specular Silicon
Surfaces
ASTM F 671 — Standard Test Method for Measuring
Flat Length on Wafers of Silicon and Other Electronic
Materials
ASTM F 673 — Standard Test Methods for Measuring
Resistivity of Semiconductor Slices or Sheet Resistance
of Semiconductor Films with a Noncontact Eddy
Current Gage
ASTM F 928 — Standard Test Methods for Edge
Contour of Circular Semiconductor Wafers and Rigid
Disk Substrates
ASTM F 1152 — Standard Test Method for
Dimensions of Notches on Silicon Wafers
ASTM F 1241 — Standard Terminology of Silicon
Technology
ASTM F 1390 — Standard Test Method for Measuring
Warp on Silicon Wafers by Automated Non-contact
Scanning
ASTM F 1530 — Standard Test Method for Measuring
Flatness, Thickness, and Thickness Variation on Silicon
Wafers by Automated Non-contact Scanning
ASTM F 2074 — Standard Guide for Measuring
Diameter of Silicon and Other Semiconductor Wafers
4.3 ISO Standards
4
ISO 8859 — Information technology – 8-bit single-byte
coded graphic character sets
ISO 8879 — Information Processing – Text and office
systems – Standard Generalized Markup Language
(SGML)
ISO Guide 30: 1992 — Terms and definitions used in
connection with reference materials
ISO 9000 — Quality management systems –
Fundamentals and vocabulary
ISO 9001 — Quality management systems –
Requirements
ISO 10646-1 — Information technology – Universal
multiple-octet character set (UCS) – Part 1:
Architecture and basic multilingual plane
ISO 10918 — Information technology – Digital
compression and coding of continuous-tone still images
4 International Organization for Standardization, ISO Central
Secretariat, 1, rue de Varembé, Case postale 56, CH-1211 Geneva 20,
Switzerland. Telephone: 41.22.749.01.11; Fax: 41.22.733.34.30
Website: www.iso.ch