The sensor is a detection device that can feel the information to be measured and can transform the sensed information into electrical information or other necessary information output according to certain rules to meet the information transmission, processing, storage and display , Recording and control requirements. At present, the sensor in the development of things Sensor is playing an increasingly important role in the sensor product demand increased significantly, and the center of gravity gradually shifted to the field of high-tech MEMS sensors, MEMS sensor accuracy determines the quality of the information collected.

  In particular, the development of Internet of things will drive the development of the sensor market, the sensor toward the smaller size, more intelligent development trend, the global TOP 10 sensors (temperature sensors, image sensors, pressure sensors, motion sensors, fingerprint sensors, Liquid sensors, gas sensors, position sensors, light sensors) market is expected to maintain high growth, driving the global TOP 10 sensor market growth factors include: the sensor is moving toward the smaller, more intelligent and lower cost direction Development; sensor miniaturization trend; networking, enhance the reality and M2M (machine and machine interconnection) platform rise; end users continue to move towards intelligent life.

2015, the Asia-Pacific region is expected to occupy the majority of the global TOP10 sensor market. In addition, the region's major industries and manufacturers will drive the region's sensor market demand. North America is the world's second largest market TOP 10 sensor. TOP 10 sensor in the fingerprint sensor market will grow at the highest rate. In the near future, fingerprint sensors will be used in consumer electronics applications, including smartphones, laptops, tablet PCs, smart wearable devices, etc., which is expected to account for most of the Fuel Rail Pressure Sensor market share of the fingerprint sensor market. The first application of fingerprint sensor phone for the 2011 US-listed Motorola ATRIX 4G. In 2013, the United States Apple fingerprint sensor will be introduced to the new iPhone 5S, which is considered a turning point in the application of fingerprint sensors. Subsequently, other smartphone manufacturers also began to fingerprint sensors equipped with their smart phones, fingerprint sensors to create a lot of market opportunities. The wave will be in the forecast period to promote the rapid growth of the fingerprint sensor market.

The characteristics of the sensor include: miniaturization, digital, intelligent, multi-functional, systematic, network. It is to achieve automatic detection and automatic control of the primary link. In general, according to its basic sensing function, it is divided into three categories: thermal element, photosensitive element, gas sensor, force sensitive element, magnetic element, humidity sensor, acoustic sensor, radiation sensitive element, color sensor and sensible element. The The presence and development of the sensor, so that objects have a sense of touch, taste and smell and other senses, so that objects gradually become alive.

1. Texas Instruments

Texas Instruments is a multinational company based in Dallas, Texas, known for its manufacturing, manufacturing and sales of semiconductor and computer technology. It is principally engaged in the research, manufacture and sales of digital signal processing and analog circuits. It has manufacturing, design or sales organization in 25 countries. Texas Instruments is the world's third-largest semiconductor manufacturer, second only to Intel, Samsung; is the second largest supplier of cellular phones, second only to Qualcomm; also in the world's largest digital signal fuel metering valve processor (DSPs) and analog semiconductor components manufacturers, and its products also include calculators, microcontrollers and multi-core processors. Texas Instruments ranks the world's top 20 semiconductor companies.

Texas Instruments was created in 1951. It is generated by the Geophysical Service Incorporated (GSI) group. The company initially produced equipment for the earthquake industry and defense electronics. TI began to study the transistor in the early 1950s, but also created the world's first commercial silicon transistors. In 1954, TI developed the first transistor radio, and in 1958, JackKilby, who worked at TI's new research lab, invented the integrated circuit. In 1961, TI made the first integrated circuit computer for the US Air Force. In the late 1950s, TI began to study infrared technology, followed by TI's involvement in radar systems, navigation and control systems for manufacturing missiles and bombs. The world's first portable calculator was invented by TI in 1967.

2.ADI

Analog Devices is a US multinational semiconductor device manufacturer, is one of the world's oldest semiconductor companies. Analog Devices manufactures ADCs, DACs, MEMS and DSP chips for consumer and industrial products. The company was founded in 1965 by RayStata and Matthew Lorber. Headquartered in Norwood, Massachusetts, the United States and Ireland Temperature Sensor have a production facility in Limerick, which has huge packaging equipment in the Philippines. The development centers are located in Israel, Beijing, China and Shanghai, Tokyo, Taiwan, Taipei, Scotland, Edinburgh, Australia , India Hyderabad and Bangalore, Munich, Germany, Valencia, Spain and other places.

Analog Devices manufactures a variety of semiconductor devices, divided into the following categories: audio amplifiers, comparators, analog-to-digital converters, digital-to-analog converters, microcontrollers, digital signal processing, MEMS, sensors, radio waves, power management, audio / Video, fiber. Software, the SoundMAX sound driver, used to match the company's AD series of audio chips. SoundMAX is a technical specification that includes a range of technologies that can reduce CPU occupancy and increase the sense of sound forcing. And even users will be modified SoundMAX drive, so that applied to non-ADI products.

3.Bosch

Bosch entered the Chinese market in 1909, producing and selling auto parts and aftermarket products, industrial drive and control technology, packaging technology, power tools, security and communication systems, thermal technology and household appliances. Bosch operates 62 companies in China in 2014 with combined sales of Rmb22.1bn. The company has so far sold more than 4 billion MEMS sensors. BOSCH sensor applications include: 3-axis acceleration (3-axisacceleration), gyroscopes and geomagnetic sensors. The company also developed a 6-axis (6-axis) sensor used ABS Sensor in electronic compass, while the 9-axis sensor used in the absolute orientation sensor. Their products are widely used in mobile phones, flat and other equipment. BOSCH has introduced the first inertial measurement unit (IMU) with power consumption below 1mA for applications that are highly accurate and real-time for monitoring in mobile phones, flat boards, and wear devices.

4.Kionix

Kionix was founded in 1993 as a privately held company in Ithaca, New York, USA. The company is a pioneer in the development of high aspect ratio silicon microfabrication technology developed by Cornell University and today has a worldwide reputation for MEMS product design, process manufacturing and quality control. Consumer electronics global giants use Kionix products in games, mobile terminals, personal navigation and hard drive protection products. Kionix's MEMS products are subdivided into automotive, industrial, and medical applications. The MEMS inertial sensors provided by the company are one of the industry's most diversified series, including uniaxial, biaxial, and triaxial accelerometers, gyroscopes, and unique sensor combinations.

5.Knowles Acoustics

F. Knowles Acoustics is the world's leading provider of micro acoustics technology. Since its inception in 1946, Knowles has continued to introduce a variety of micro-acoustic, mechanical and electrical and other related areas of technology platform to help customers develop business potential. These technology platforms enable companies to collaborate early in the design phase to help customers develop smaller, higher-density, and more powerful products. The property group Throttle Position Sensor is headquartered in Itasca, Illinois, USA, and is the world's leading manufacturer of highly sensitive, miniature microphones and loudspeakers with technical / customer support offices around the world. Knowles has been manufacturing in Asia since 1974 and has established a world-class factory in China and Malaysia.

6.Akustica

Akustica is the world's only Bosch Group's global use of complementary metal oxide semiconductor (CMOS) process manufacturing micro-electromechanical system microphone design company. The company was founded in 2001 in Pittsburgh, Pennsylvania, founder Ken Gabriel, 2009 was Bosch Group acquisition. Ken Gabriel in 1998 from DARPA to Carnegie Mellon University to teach, developed a CMOS-based MEMS microphone, based on the establishment of Akustica in 2001. Akustica then developed a CMOS-MEMS integrated microphone and shipped 5 million for consumer electronics such as computers and mobile phones. Akustica is the only company to date that has introduced CMOS signal processing circuitry with MEMS single-chip integrated microphones.

7.SiTime company

Headquartered in California, SiTime, Inc., was founded in late 2004, based on its patented MEMS First and Epi Seal CMOS technology, integrated MEMS (microelectromechanical) and CMOS process, the production of programmable silicon oscillator products; Deloitte is ranked 38th in the ratings for high-tech, high-growth 500, one of the fastest growing semiconductor companies in North America. SiTime offers 40 programmable product lines, SiTime's silicon MEMS solutions are changing the clock technology based on quartz technology. The advantages of MEMS processes include the design flexibility of silicon processes, lower capital expenditures, and lower production costs , Currently SiTime has 100 patents, for MEMS and analog IC design industry to form a technical entry threshold.

8. Hewlett-Packard

Hewlett-Packard is an information technology company from Palo Alto, USA, founded by William Hewlett and David Campard in 1939, specializing in the production of printers, digital imaging, software , Computer and information services business. Hewlett-Packard, founded by Stanford University's two graduates, William Hewlett and David Pecard, has become one of the world's largest technology companies after decades of development and a range of acquisitions. Imaging and IT services are in the leading position.

9. United States IMT Corporation

IMT is the largest pure MEMS foundry in the United States, with approximately 30,000 square feet of 100 clean rooms in Santa Barbara, California, with more than 14 years of experience in MEMS design and manufacturing. The company currently has about 110 Employees, of which 15% are PhD, employees in the magnetic, micro-mirror, micro-fluid, sensors, wafer-level packaging, silicon through-hole and planar optical wave circuit and other fields quite accomplished. From the MEMS foundry market, most of the chip companies have their own fab, which accounted for 30% foundry, IMT carrying business volume can be as high as 12% -15%, from the market share point of view IMT advantages show The

10. Freescale

Freescale is a US semiconductor manufacturer. Freescale was formed in 2004 by the original Motorola semiconductor division. Motorola in October 2003 announced the release of Freescale, the second year in July, Freescale listed. On September 15, 2006, Freescale announced the acceptance of the consortium led by Blackstone Group (Blackstone Group). On November 13, the extraordinary general meeting decided to agree to the acquisition. December 1 total amount of $ 17.6 billion acquisition is completed.

Focus on embedded processing solutions. Freescale for automotive, networking, industrial and consumer electronics markets, including microprocessors, microcontrollers, sensors, analog integrated circuits and connections. Some of Freescale's major applications Speed Sensor and end markets include automotive safety, hybrid and all-electric vehicles, next-generation wireless infrastructure, intelligent energy management, portable medical devices, consumer appliances, and smart mobile devices.

  The main sensors are acceleration, pressure sensors, applications are in the automotive electronics, consumer electronics and so on.