1, NAURA (002371) : NAURA is a domestic equipment leader, the company's business covers integrated electrical appliances, LED, photovoltaic and other fields. Autonavi Infrared (002414): Autonavi Infrared is the leader of infrared chip, and it is the only manufacturer in China that has mastered the technology of second-class superlattice focal plane detector. Shilanwei (600460) : Shilanwei is the largest integrated circuit IDM manufacturer in China.
2. Zhongke Shuguang, a high-tech enterprise vigorously promoted by the Ministry of Science and Technology, the Ministry of Information Industry and the Chinese Academy of Sciences, focuses on the research and development, production and application of the server field. The company's Shuguang series products have made great contributions to the development of domestic high-performance computers.
3, Huawei diamond chip has become the first leader. inA shares, Huawei concept can be described as having the upcoming appeal. For example, Huawei announced the "chip packaging" patent, in the advanced packaging track, Wenyi Technology in just over 1 month, the market value has doubled. At the same time, the birth of strong new materials, three super new materials and other leading companies. Diamond, is what we often say diamond. "A diamond is forever, a diamond is forever", and diamonds are regarded as a witness of love.
4, NAURA (002371) : NAURA is a domestic equipment leader, the company's business covers integrated electrical appliances, LED, photovoltaic and other fields. Gao De Infrared (002414) : Gao DehongOutside is the infrared chip leader, it is the only domestic master of the second type of superlattice focal plane detector technology manufacturers. Huawei hisilicon Semiconductor Co., LTD. : Currently the largest and most powerful IC design company in China, it entered the top 10 IC design list in the world in 2015.
5, Wufang Optoelectronics (002962) Hubei Wufang Optoelectronics Co., LTD. (600184) is an enterprise specializing in the research and development, production and sales of precision optoelectronic film components, the main products include infrared cut-off filter and biometric filter. After years of technology accumulation and development, the company has become a domestic leaderThe filter manufacturers.
1, Lightelligence Technology focused on photon computing chip design, established in 2018; In April 2019, it released the world's first photonic chip prototype board and passed the stream chip verification. According to CB Insights, it has received a total of nearly $40 million in financing, making it the world's largest company in the field of photonic computing chips. <2, Shijia Photonics: is a focus on the development and production of photonic chip enterprises, which has a wide range of applications in the communication industry, the company has advanced production equipment and technical team, can provide customers with high-quality photonic chip products and solutions, with the rapid development of 5g, the Internet of things and other technologies, Shijia photonics market prospects are very broad.
3, the production of silicon optical chip listed companies are light fast technology, new Yisheng, Zhongji Xuchuang, Hengtong Optoelectronics, Sai Microelectronics, Cambridge Technology.
4. It is the first private listed company in China's optical cable industry. By the people of Jiangsu ProvinceJiangsu Huaxi Village Co., Ltd. was established in May 1999 with the approval of Document No. 4 of Fusu Zhengfu [1999]. In July of the same year, with the approval of Document No. 81 of China Securities Regulatory Commission (1999), it issued 35 million A-shares on the Shenzhen Stock Exchange on July 13, and was listed and traded on the Shenzhen Stock Exchange on August 10. The stock is referred to as "West China Shares".
5, Mitsubishi Heavy Industries is a well-known enterprise in Japan, and its lithography technology is also widely praised. Mitsubishi Heavy Industries lithography machines with high precision, high quality and high stability are well received by customers around the world.Mitsubishi Heavy Industries is also very active in chip manufacturing research and development, providing various innovative technologies and manufacturing equipment for the global chip manufacturing industry.
6, China's photonic chip listed company Bochuang Technology (300548) : Bochuang Technology (300548) rose 03% to 2190 yuan, the turnover of 1.6 billion yuan, the turnover rate of 52%, the amplitude rose 03%. PLC optical splitter and DWDM device faucet. Taichen Guang (300570) : The closing news on November 18, Taichen Guang's latest offer of 1230 yuan, the stock price rose 12% in 3 days, and the price-earnings ratio was 584.
1, at present, the mainstream fingerprint recognition technology includes optical, ultrasonic and capacitive, of which capacitive due to the demand for large screen equipment, facing certain challenges. In contrast, optical fingerprint because of its advantages on the large screen - mature and easy to operate, but because of the larger size, security performance and extra power consumption is slightly disadvantageous.
2,. The optical fingerprint recognition module has good stability. Optical fingerprint recognition technology has been tested by the market for a long time and is constantly improved, plus optical fingerprint head for the environmentThe adaptability is good, so the stability performance is better in the use process, and the theoretical life is relatively long. 3. The optical fingerprint recognition module has low cost.
3, electronic lock is an important part of smart home, it is not only convenient, fast, and safe and reliable. This article will introduce three common electronic locks to help you understand their features and advantages. Fingerprint lock is the new darling of the smart lock market, which uses semiconductor or optical fingerprint head, which is safe and convenient. It can not only open the lock through password, induction, remote control, etc., but also select different fingerprint heads according to different needs.
4, HelloSmart door locks generally use fingerprints to unlock, fingerprint acquisition head is divided into optical fingerprint head and semiconductor fingerprint head. The optical fingerprint recognition module has strong adaptability, stability and low cost. However, the anti-counterfeiting performance is weak, the security is low, there are inherent defects in the recognition accuracy, and the power consumption is relatively large. The semiconductor fingerprint module recognizes living fingerprints, has high security, high recognition sensitivity, low power consumption and small size.
Silicon optical chip: Difference: silicon optical chip is a photoelectronic integrated circuit made of silicon materialChip, which integrates optical and electronic devices on the same chip. Advantages: high integration: silicon optical chip can achieve a high degree of integration of optical devices and electronic devices, can achieve complex functional integration, improve the performance and function of the system. Low cost: Silicon optical chips are made of silicon materials, and the cost is relatively low, which can reduce the manufacturing cost of the system.
Optical chips are mainly used in the communication industry and are an indispensable part of the communication equipment system. The chip we often talk about is a silicon chip, which belongs to the semiconductor industry, such as CPU, storage, flash memory and so on. Optical chip is used to complete the conversion of photoelectric signals,Is the core device, divided into active optical chip and passive optical chip. Optical chip includes laser, modulator, coupler, wavelength division multiplexer, detector and so on.
Silicon is a semiconductor, silicon single crystal is the basic material of the chip, mainly using the semiconductor properties of silicon. Optical fiber is made of quartz glass fiber, quartz composition is silica, just like glass, silica is the main component, using it with other chemicals can become amorphous melt body, easy to make and has excellent light conduction effect.
The researchers integrated the luminescent properties of indium phosphide and the optical routing capabilities of silicon intoSingle hybrid chip. When a voltage is applied to indium phosphide, light enters the silicon wafer's waveguide, producing a sustained laser beam that drives other silicon photonic devices. This silicon wafer-based laser technology could make photonics more widely used in computers, as large-scale silicon-based manufacturing techniques can dramatically reduce costs.
Silicon optical computing chip: The cornerstone of artificial intelligence computing power in the post-Moore era With the rapid development of artificial intelligence technology, especially the rise of large-scale models such as Zidong Tai, electronic computing platforms are facing unprecedented challenges. Optical computing, especially silicon optical computing chips, is unique