MEMS for Cell Phones and Tablets

  • June 2013
  • -
  • Yole Developpement

MEMS devices are proliferating in mobile devices. We count 25+ sensors and actuators in production or in development for mobile applications, including MEMS accelerometers, MEMS gyroscopes, magnetometers, 6-axis e-compasses, 6-axis IMU combos, 9-axis combo solutions, silicon microphones, microspeakers, pressure sensors, humidity/temperature sensors, BAW filters and duplexers, MEMS switches and variable capacitors, silicon MEMS oscillators/resonators, micromirrors for picoprojectors, microdisplays, MEMS autofocus, IR sensors and micro bolometers, biochemical detectors & gas sensors, MEMS touchscreen, MEMS joystick, radiation detectors, MEMS fuel cells, energy harvesting, UV sensors, ultrasonic sensors and more! Mobile phones and tablets are becoming more sophisticated, and MEMS content is everincreasing.

Indeed, MEMS sensors and actuators bring a strong value proposition at different levels:
• Navigation & environmental sensing
• Improved sound quality
• Better communication performance
• Improved visual experience + new tactile interface
• Increased battery life
• Infrared sensing
The past 12 months have seen big changes. While in the past, cell phone MEMS were limited to three categories (inertial, microphones and filters), we’ve seen strong adoption of new device types targeting environmental sensing. Also, pressure sensors are being heavily adopted in flagship phones and tablets, and humidity sensors are being adopted in the Samsung Galaxy S4. All of these new MEMS killer applications are detailed in this report.

Changes have even occurred in existing highvolume MEMS areas:
• Significant architectural changes have been observed in inertial sensors, with current strong adoption of IMU combo sensors. Likewise, a new opportunity has appeared
with a camera module’s dedicated OIS gyroscope.
• A trend has appeared involving integration of a third MEMS microphone to provide HD voice recording (i.e. in the iPhone 5), in addition to the dual microphone architecture described in the last report. This trend is a market booster.
• Strong adoption of LTE in high-end platforms will boost the duplexer market for the next three years.

Sensor fusion is heating up with its first commercial implementations!

As sensor popularity enables new applications, software is key for obtaining the best performance and functionalities. Sensor hubs appeared at the end of 2012, in Windows Phone architectures and also in some Android platforms such as the Samsung Galaxy Note 2 and Galaxy S4, which integrate Atmel hub. This greatly impacts the MEMS value chain, since successful products must offer the right level of software and be qualified with sensor hubs in a timely manner.
Sometime in 2013, evolution is still expected in value partitioning, in particular with sensor fusion integration in the application processor. Also, as the value chain continues moving and novel architectures appear, new killer functionalities will hit the market. In particular, an ecosystem for context awareness or indoor navigation is put in place, with technology demonstrations (such as Movea’s recent demo at CES) and release of the first commercial chipsets enabling new sensor and data fusion concepts (Qualcomm iZat, Gimbal, CSR SiRFusion Platform, etc.). The most recent end-user trends shaping demand for nextgeneration MEMS devices are carefully analyzed in this report. In fact, one of the strongest impacts on sensor fusion architecture is the growth of connected devices and the use of the cell phone as a hub.

The scope of this report covers:

–All MEMS devices integrated in mobile phones => not only sensors but also actuators
•MEMS accelerometers, MEMS gyroscopes, Magnetometers, 6-axis E-compass, 6-axis IMUs, 9-axis combo solutions, Pressure sensors, MEMS microphones, BAW filters and duplexers, MEMS switches and variable capacitors, Silicon MEMS oscillators / resonators, Micromirrors for picoprojectors, Microdisplays, MEMS Auto-focus, Infra-Red sensors, Humidity + Temperature sensors, Emerging MEMS
–All types of mobile phones (smartphones, feature phones and voice phones) + media tablets
•Basic e-readers not taken into account
•Amazon Kindle Fire and B&N Nook Tablet are counted as tablets. They are based on Android OS and provide advanced multimedia functionalities and possibility to install applications from an app store

The objectives of this report are the following:

–To provide a global overview of market data for MEMS components used in cell phones and tablets, including key market metrics & dynamics:
•Unit shipments and revenue by type of sensor
•Average selling price analysis and expected evolution
•Market shares with detailed breakdown for each player and major OEM contracts
–To provide an analysis of major technology trends for each device type:
•Current technologies and new development for future generations of products
–To provide a deep analysis of the challenges and opportunities for MEMS sensors and actuators in handsets and tablets:
•Description of the different drivers for integration and historical data on penetration of MEMS
•Which drivers for new MEMS devices, why will it start, what will market adoption be like?
•Different levels of software and trends for sensor fusion: strategies for integration in the system, major software specialists and end-applications
•Insight about architecture changes linked to the emergence of combo solutions and of MEMS data processing
–To provide a clear understanding of the MEMS value chain, infrastructure and players for the cellular handset and tablet business:
•List of major players for each device under consideration
•Analysis on the potential new entrants with disruptive technologies
•Description of the ecosystem and evolution of the value chain
–To analyze sensor fusion developments and emerging major end-applications, including indoor navigation and context awareness

Who should be interested in this report?

•MEMS device manufacturers
–Evaluate market potential of future technologies and products
–Understand the differentiated value of your products and technologies in this market
–Build roadmap for modules: which type of modules? When?
–Identify new business opportunities
–Identify potential strategic partners or technology providers
–Monitor and benchmark your competitor’s advancements
•MEMS foundries, material and equipment suppliers, packaging houses
–Understand what are the applications that will drive the volumes in 2018
–Identify new business opportunities and prospects
•Specialists of microcontrollers, baseband/ transceiver, application processor…
–Spot new opportunities and define diversification strategies linked to sensor / data fusion
•Mobile phone and media tablet OEMs
–Evaluate market potential of future technologies and products to differentiate your products
–Evaluate the benefits of using these new technologies in your end system, design architectures for the next generation of systems
–Screen potential new suppliers able to provide new functionalities, or cost and size savings
•R&D centers
–Evaluate market potential of future technologies and products for new applicative markets
–Identify the best candidates for technology transfer
•Financial & strategic investors
–Understand the structure and value chain of the cellular handset and media tablet industry
–Estimate the potential of new devices such as RF MEMS tuners, oscillators, auto-focus, speakers…
–Get the list of the main key players and emerging start-ups of this industry worldwide

Table Of Contents

MEMS for Cell Phones and Tablets

• Introduction, definitions and methodology 5

• Executive summary 20

• Trends in the mobile phone and tablet market, and drivers for the integration of MEMS in mobile devices 46

• Trends in sensor/data fusion 61

• Competitive trends and supply chain analysis 85

> Competitive landscape: MEMS player rankings
> Value chain evolution

• MEMS in mobile phones/tablets: 2012-2018 market overview 103

> MEMS diffusion model and historical data on MEMS attach rate
> 2012-2018 market synthesis

• Inertial sensors, magnetometers 126

> Overview
> MEMS accelerometers
> MEMS gyroscopes
> Magnetometers
> 6-AXIS E-compass
> 6-AXIS IMU combos
> 9-AXIS combo solutions

• MEMS microphones and speakers 185

> Silicon microphones
> Microspeakers

• Pressure and humidity sensors 200

> Pressure sensors
> Humidity/temperature sensors

• BAW, RF-MEMS and silicon timing 220

> BAW filters and duplexers
> MEMS switches and variable capacitors
> Silicon MEMS oscillators/resonators

• Optical MEMS: mirrors, display, AF, IR 274

> Micromirrors for picoprojectors
> Microdisplays
> MEMS auto-focus
> IR Sensors and microbolometers

• Emerging MEMS for mobile devices 312

> Bio-chemical detectors and gas sensors
> MEMS touchscreen
> MEMS joystick
> Radiation detectors
> MEMS fuel cells
> Energy harvesting
> Others: UV, Ultrasonic...

• Other sensors in mobile phones (non-MEMS technologies) 344

> CMOS image sensors
> ALS, proximity, color sensors

• Conclusion and perspectives 373


AAC Acoustics, Analog Devices, Aichi MI, AKM, Alps Electric, Amazon, AMS, Apple, Aptina Imaging, Asus, Atmel, Audiopixels, Avago, BlackBerry, BodyMedia, Bosch Sensortec, Broadcom, Canon, Capella, Cavendish Kinetics, CSR, DelfMEMS, Discera, Epcos, Excelitas, Fairchild, Freescale, Fujitsu, Gettop, Goertek, Google, Hillcrest Labs, HTC, Huawei, IDT, Intel, Intersil, InvenSense, Jabra, Jawbone, Kionix, Knowles Acoustics, Lemoptix, LG, Marvell, Maxim, mCube, Mediatek, MEMS Vision, MEMSensing Microsystems, Memsic, Micello, Microvision, MiraMEMS, Mobiplex, Mosoro, Motorola, Movea, Murata, Navisens, Netatmo, NEWCO, Nextinput, Nokia, Nvidia, NXP, Omnivision, Omron, On Semiconductor, Panasonic, Peregrine, PoLight, Pyreos, Qualcomm, RFMD, Rohm, Samsung, Sand 9, Senodia, Sensirion, Sharp, Silicon Labs, SiTime, Sony, Spreadtrum, STMicroelectronics, Synkera, Tactus Technology, TCL, Tessera, Texas Instruments, Toshiba, TreLab, TriQuint, Trusted Positioning, u-blox, Variable Technologies, Visioglobe, Wavelens, Wispry, Withings, Wolfson, Yamaha, ZTE

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