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  History of Optical Microscope

History of Electro-optic Instruments

Electro-optic products are among one of the three series of the company, but in the beginning, Jiangnan went through a difficult process. In 1959, with the assistance of Changchun Optics Institute, Jiangnan's technical staff and workers worked together and successfully developed XD-301, first transmission electron microscope in China. Transmission electron microscope requires technology in the fields of electronic optics, electric vacuum and electronics. This product was a high-tech product back in the days and was presented as a perfect gift for the 10th year anniversary of the establishment of People’s Republic of China. This was also a fabulous achievement by Jiangnan in the company’s early stage.

  
In the following decades, Jiangnan continued to develop and expand product development team. After generations of efforts, technology level of our products continued to improve, product examples include transmission electron microscopes such as XD-302, XD-10C, DXT-100G, and bringing in technology from Hitachi by manufacturing H-600A electron microscope. Such products with “Jiangnan” brand name were sold to 29 provinces over China, and made great contribution to China's scientific research and education cause, as well as winning honors for our company.

  
In 1970s, electron beam lithography system and XW-01 X-ray electron probe micro-analyzer, which were the key project of Jiangsu Province, were added to our new technology development projects. This was a further extension and expansion of the electronic optical sector of our company. These projects not only involved the foregoing TEM techniques, but also contained weak electrical signal picked up, scanning imaging, computer interfaces and software and ray detection. Computer Department of Nanjing University and Nanjing technology University(now Southeast University) contributed to the development of the prototype of of E-beam lithography engineering. Secondary electron detection and imaging system, computer controlled electron beam lithography system had filled the technology gaps in domestic and overseas, some technology even laid a basis for future scanning electron microscope development. In the process of developing XW-01 electronic probes, Jiangnan's engineers overcame plenty of difficulties and finally succeeded, while winning the 1978 National Technology Conference Awards.

  

Scanning electron microscope has a strong vitality and a widespread application in modern engineering techniques and medical areas. Jiangnan's first small scanning electronic microscope DXS-1 was developed in 1980, and achieved the third prize of Nanjing Science and Technology Award. After replacing the electron microprobe x-ray analysis techniques, DXS-X2 small analysis scanning electron microscope was successfully developed. This product also won the third prize of Nanjing Scientific and Technological Award. In 1991, DXS-3 high performance scanning electron microscope was successfully developed. This product reached international advanced level and won the 1991 Science and Technology Progress Award issued by Department of Mechanics and Electronics. For many years, our factory has produced hundreds of scanning electron microscopes, and Jiangnan is still manufacturing and developing this type of product.

  
  
Scanning electron microscope has a strong vitality and a widespread application in modern engineering techniques and medical areas. Jiangnan's first small scanning electronic microscope DXS-1 was developed in 1980, and achieved the third prize of Nanjing Science and Technology Award. After replacing the electron microprobe x-ray analysis techniques, DXS-X2 small analysis scanning electron microscope was successfully developed. This product also won the third prize of Nanjing Scientific and Technological Award. In 1991, DXS-3 high performance scanning electron microscope was successfully developed. This product reached international advanced level and won the 1991 Science and Technology Progress Award issued by Department of Mechanics and Electronics. For many years, our factory has produced hundreds of scanning electron microscopes, and Jiangnan is still manufacturing and developing this type of product.

 
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