Current situation and development of sensors and instrument components

Sensors and instrument components are one of the most basic components of instrumentation and automation systems. Sensor and instrument components have the characteristics of wide service range, wide variety and large demand. The technical level and product quality will lay the foundation for the manufacturing informatization in our country.

Status and problems

The technology and products of sensors and instruments in our country have been greatly improved. The country has more than 1600 enterprises and institutions engaged in sensors and instrument components of the research and development, production. However, compared with foreign countries, the varieties and quality standards of sensors and instrument components in our country can not meet the needs of the domestic market. The overall level is still in the early 90s levels of foreign countries in the early 1990s. The main problems are:

The technology innovation is poor, the core manufacturing technology lags behind the foreign countries, and the products with independent intellectual property rights are few and the variety is not complete. The technical level of the products is about 15 years from that of the foreign countries.

The investment intensity is low, scientific research equipment and production equipment are backward, the achievement level is low, and the quality of products is poor.

The separation of science and technology and production affects the transformation of scientific research achievements, the comprehensive strength is low, and the development of industry is short of stamina.

strategic target

By 2020, the three major strategic objectives should be achieved in the field of sensors and instrument components:

In industrial control, automotive, communications, environmental protection services, with the sensor, elastic element, optical element, special circuit as the focus, the development of independent intellectual property rights of the original technology and products;

Based on a MEMS technology, with integrated, intelligent and network technology as the basis, strengthen the development of manufacturing technology and new sensors and instrumentation components, the advanced level of the leading products and nearly reached similar foreign products;

In order to increase varieties, improve quality and economic efficiency as the main goal, accelerate industrialization, make domestic sensors and instrument components of the variety of 70%-80%, high-grade products of more than 60%.

Development priorities

sensor technology

The process of MEMS and a new generation of solid-state sensor micro structure manufacturing process: deep reactive ion etching (DRIE) process or IGP process; packaging process: such as temperature bonding of flip chip bonding, stress free small package and multi chip assembly structure technology; new sensors: such as silicon capacitive sensor, flow sensor, micro silicon Aerospace dynamic sensor, micro sensor, pressure, special automobile acceleration sensor, micro chemical sensors for environmental protection.

Integrated technology and multivariate composite sensor micro structure of integrated manufacturing technology; industrial control using multivariate composite sensor, such as pressure, static pressure and temperature of three variable sensor, pressure, wind, temperature and humidity sensor four variables, silicon composite strain pressure sensor, display sensor.

Intelligent technology and intelligent sensor signal cable or wireless detection, transform processing, logic judgment, calculation, two-way communication, self diagnosis intelligent technology; intelligent multi variable sensor, intelligent sensor and intelligent sensor and transmitter.

Networked technology and networked sensors enable sensors to be industrialized, standard, interface, and protocol enabled.

Instrument components

The elastic component development and perfection of the new forming process: electro deposition forming process, the welding process; micro corrugated precision focus on the development of aviation, spaceflight with low rigidity, large displacement, long-life tube, corrugated tube of high temperature and high pressure valve; development of bellows forming process, equipment and performance testing instrument.

Advanced technology of optical element development: aspheric optical component design and fabrication technology, optical multilayer coating technology and new ion assisted coating technology. New optical elements for optical fiber communication and digital imaging are developed, such as micro variable density filter, ultra narrow band filter, microlens array, large area polarization element, and aspherical glass plastic composite lens.

Special circuit design technology and manufacturing process to improve the degree of integration of ASIC and personalized service;

Applying software solidification technology, special circuits such as signal transformation, compensation, linearization, communication and network interface suitable for intelligent and networked sensors and instruments are developed.