Consumer MEMS Microphones Comparison 2020

©2020 by System Plus Consulting | Consumer MEMS Microphone Comparison 2020 1
REVERSE COSTING® – STRUCTURAL, PROCESS & COST REPORT
22 bd Benoni Goullin
44200 NANTES - FRANCE +33 2 40 18 09 16 info@systemplus.fr www.systemplus.fr
ConsumerMEMSMicrophones Comparison2020
19 Microphones from Knowles, Goertek, AAC Technologies,
STMicroelectronics, TDK-InvenSense, TDK-Epcos, Cirrus Logic and Vesper.
SP20458 - MEMS report by Amine ALLOUCHE & Audrey LAHRACH
Physical Analysis by Véronique LE TROADEC
February 2020 – SAMPLE

Table of Contents
Overview / Introduction 4
o Executive Summary
o Reverse Costing Methodology
o Glossary
Company Profile & Supply Chain__ 11
o Market
o Company Profile & Supply Chain
Physical Analysis__ 27
o Knowles
o Goertek
o AAC Technologies
o STMicroelectronics
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
 Microphone Overview: Package, ASIC, MEMS
 Package Cross-section
 MEMS Die Design and Cross-section
 Technology evolution and physical comparisons of Package,
MEMS, and ASIC dies for each manufacturer and between
the manufacturers.
MEMS Manufacturing Process 128
o Knowles
o Infineon
o InvenSense
o Wolfson
o Vesper
Technology Comparison 171
o Microphone Package Comparison
o Microphone MEMS Comparison
Cost Comparison 181
o Yields Explanation & Hypotheses
o Global Comparison – Microphone Component Cost
o Global Comparison – MEMS Wafer FE Cost & Die Cost
o Microphones Component Cost Breakdown
o Conclusions
Feedbacks 193
About System Plus Consulting 195

Overview / Introduction
o Executive Summary
o Reverse Costing
Methodology
o Glossary
Company Profile & Supply
Chain
Physical Analysis
MEMS Manufacturing Process
Technology Comparison
Cost Comparison
Feedbacks
Related Reports
About System Plus
Executive Summary
The consumer MEMS microphone market is expected to reach $1.5B in 2024 from $1.1B in 2019, according to the “Microphones,
Microspeakers and Audio Solutions” report from Yole Développement. The main drivers are smart speakers and wireless earbuds.
Two main players are sharing the MEMS microphone market, Knowles and Goertek, with market shares of 39% and 28%,
respectively.
In this dynamic context of the consumer microphone market, System Plus Consulting provides a deep comparative review of
technology and cost of 19 MEMS microphones from the main microphone suppliers on the market: Knowles, Goertek, AAC
Technologies, STMicroelectronics, TDK-InvenSense, TDK-Epcos, Cirrus Logic, and Vesper.
System Plus Consulting analyzes the several technologies of microphones to provide an insight on their structure, technology,
processes and costs. We look at their package, ASIC and MEMS dies, dimensions, MEMS internal structure, package and MEMS
cross-sections, and substrate types, in order to determine each MEMS process.
The innovations and technology evolutions for each manufacturer are noted including the differences between the main
competitors.
The MEMS Microphones have been compared in terms of: Structure, package (type of substrate, dimensions, cross-section),
MEMS technology (size, design) and ASIC technology (size, technology node).
The MEMS Microphones have been finally compared in terms of cost: Detailed MEMS cost, ASIC cost, test and packaging costs.
This report includes an overview of the microphones used by the main smartphone suppliers in the market. Also, the supply chain
of the microphones is evaluated for each supplier.

Chain
o Market
o Company Profile & Supply
Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
Microphones in Apple iPhones from 2011 to 2019

Chain
o Market
Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
Microphones Manufacturers In 2019 Phones From The Main Phone OEMs

Chain
o Market
Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
Microphones in 2019 High-end and Low-end phones

Chain
Physical Analysis
o Knowles
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Analyzed Devices
19 Microphones were analyzed from 8 suppliers.

Chain
Physical Analysis
o Knowles
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Analyzed Microphones Overview: Breakdown by Supplier

Chain
Physical Analysis
o Knowles
o iPhone 4
o SPU0410LR5H
o iPhone 5
o iPhone 5s
o iPhone 7
o iPhone X
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Analyzed Microphones

Chain
Physical Analysis
o Knowles
o iPhone 4
o SPU0410LR5H
o iPhone 5
o iPhone 5s
o iPhone 7
o iPhone X
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Evolution – Package Comparison

Chain
Physical Analysis
o Knowles
o iPhone 4
o SPU0410LR5H
o iPhone 5
o iPhone 5s
o iPhone 7
o iPhone X
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Evolution – ASIC Comparison

Chain
Physical Analysis
o Knowles
o iPhone 4
o SPU0410LR5H
o iPhone 5
o iPhone 5s
o iPhone 7
o iPhone X
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Evolution – MEMS Comparison

Chain
Physical Analysis
o Knowles
o iPhone 4
o SPU0410LR5H
o iPhone 5
o iPhone 5s
o iPhone 7
o iPhone X
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Microphone (iPhone 5) – Overview

Chain
Physical Analysis
o Knowles
o Goertek
o iPhone 7
o iPhone X
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Goertek GWM1 Microphone (iPhone X) – Package Characteristics

Chain
Physical Analysis
o Knowles
o Goertek
o AAC Technologies
o iPhone 4
o iPhone 5
o iPhone 5s
o iPhone X
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
AAC Technologies Microphone (iPhone 5) – MEMS Die

Chain
Physical Analysis
o Knowles
o Goertek
o AAC Technologies
o iPhone 7 Plus
o TDK-InvenSense
o TDK-Epcos
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
STMicroelectronics SMP8 Microphone (iPhone 7 Plus) – MEMS Die

Chain
Physical Analysis
o Knowles
o Goertek
o AAC Technologies
o TDK-InvenSense
o TDK-Epcos
o T4000
o T4060
o Cirrus Logic
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Epcos T4060 Microphone – MEMS Die

Chain
Physical Analysis
o Knowles
o Infineon
o InvenSense
o Wolfson
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Knowles Process – Microphones

Chain
Physical Analysis
o Knowles
o Infineon
o InvenSense
o Wolfson
o Vesper
Cost Comparison
Feedbacks
Related Reports
About System Plus
Infineon MEMS Process – Process Steps (1/2)

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
MEMS Microphone Die Comparison – MEMS Design

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
MEMS Microphone Die Comparison – MEMS Cross-Section

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
MEMS Microphone Die Comparison – Microphone Suppliers Overview

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
MEMS Microphone Die Comparison

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
Global Comparison – MEMS Wafer FE Cost & Die Cost Per Area

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
Xxx Microphones – Component Cost

Chain
Physical Analysis
Cost Comparison
Feedbacks
Related Reports
About System Plus
REVERSE COSTING ANALYSES - SYSTEM PLUS CONSULTING
MEMS & SENSORS
• Apple iPhone X: MEMS Microphones from Goertek, Knowles, and AAC
Technologies
• USound Achelous UT-P 2016 MEMS Speaker
• Piezoelectric Material From Bulk to Thin Film – Comparison 2019
Related Reports
MARKET AND TECHNOLOGY REPORTS - YOLE DÉVELOPPEMENT
SENSING & ACTUATING
• Microphones, Microspeakers and Audio Solutions Market and
Technology Trends 2019
• Status of the MEMS Industry 2019

COMPANY
SERVICES

Company Profile
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Manufacturer Price Analysis
Feedbacks
Related Reports
About System Plus
o Company services
o Contact
o Legal
Business Models Fields of Expertise
Custom Analyses
(>130 analyses per year)
Reports
(>60 reports per year)
Costing Tools
Trainings

Company Profile
Physical Analysis
Manufacturing Process Flow
Cost Analysis
Manufacturer Price Analysis
Feedbacks
Related Reports
About System Plus
o Company services
o Contact
o Legal
Contact
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sales@systemplus.fr
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llevenez@systemplus.fr
www.systemplus.fr
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Headquarter
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T : +1 310 600 8267
laferriere@yole.fr
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