Proposal: From LLC “Research Centre Uralsemiconductor”
Final development, production and distribution of studying-and-training optoelectronic system set for training and developing a creativity of school, technical college and university students, that includes:
- optical multichannel spectrum analyzer — polychromator for the spectrum band 0.2 — 3.3 μm (made as a construction kit) based on a 64-element photodetector based on nanofilms of ultrapure lead sulphide (PbS);
- a set of more simple optoelectronic sensors for different applications, including toys (do-it-yourself), based on few-elements photodetectors PbS
By the order an additional sets of parts and components may be supplied for assembling of optoelectronic sensors in pupils circle activity and using them later in everyday life.
The proposal is based on the technology (nano-level) of synthesis of ultra-pure semiconductor films PbS. Single-element and multi-element photodetectors based on our ultra-pure films are sensitive in a broad band spectrum from ultraviolet 0,20-0,38 μm, visible range 0,38-0,78 μm, and near-infrared range 0,78-3,5 μm at room temperature. Thus by the spectrum of the photosensitivity our photoresistor is an ideal quantum counter.
Our photodetectors have short time response (5-8 or 55-75 μs), low dark resistance (40-120 kOhm), and high current sensitivity (4-6 A/W). All this increases the speed of information processing and improves noise immunity as well as a signal to noise ratio in the case of photoelectric signal amplification.
The technology of production of ultrapure nanofilms PbS is suitable for mass production and has no analogues in the World. It was found that the lifetime of photodetectors based on them is more than 25 years.
Implementation of the Optoelectronic Kit is accompanied by using of proven methods of harmonization of mental conditions (behavior), activation and development of creative abilities of students, and by setting of Life meaning as a Development in creative work, bio-body and socium (society), as well as recognizing and managing of personal self-energy (+ healthy lifestyle).
The Optoelectronic Kit includes «Toy-construction-set competitive» to develop an interest in technical creativity. This is Know-How. It has been tested, and includes electronics, optics and mechanics. At the moment the toy-construction-set is hidden inside Optoelectronic Kit «Raduga-64″, but it is a separate pre-product. From the toy it goes a smooth transition of pupil’s abilities to complete set «Raduga-64″ at the training stage of a high school or special school for talented children.
Estimated volume of production is about 10 thousand units per year at cost of 30-150 thousand rubles for Optoelectronic Kit, depending on the completeness. The initial set (about 30 rubles.) will be expanded by additional supplies. It is also expected a supply of goods for export.
Note: Optical spectrum analyzers of sequential and parallel analysis are one of the most universal and basic tools of modern science and industry. Therefore, part of goods will go to the science and industry.
The main advantages of the company, technological innovation
For realization of the project we are using the developments of the Centre and the Department of Physical and Colloid Chemistry of the Ural Federal University for the past 25 years: more than 100 successful R&D by orders, the experience of serial production of water turbidimeters of three types, more than 40 patented inventions and over 60 non-patented ones, as well as specific Know-How in the field of technology and psychology.
Multi-element photodetectors PbS are used abroad for industrial and scientific tasks in limited quantities. This is due to its high cost and a limited lifetime.
A distinctive feature and competitive advantage of our photoresistors based on nano-structured lead sulfide used in the optoelectronic kit, is the possibility of large-scale production of multi-element photodetectors with high uniformity of the parameters (± 5%) on the elements at low cost.
Working lifetime is more than 25 years.