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@ Governemnt needs to support domestic MOCVD development @@ [Copy link] 中文

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Post time 2010-1-22 10:51:49 |Display all floors
Summary

We believe that, MOCVD domestic projects, once the successful operation of a large number of supporting industries will lead the development and progress. Of course, MOCVD and other key equipment at home will mean that the success of LED to lower costs, the localization of key equipment will greatly reduce the manufacturing cost of LED. But even if the domestic equipment out of the enterprises are unwilling to face the problem did not dare use of domestic equipment for this problem, many experts have called on domestic enterprises and research institutes to "bold use of domestic MOCVD equipment," - MOCVD to the development of all industries thing, the only way to allow domestic LED industry into a virtuous development track.

Comments by: MOCVD status reflects the status quo and the entire industrial base of industries. In fact the development of LED industry and the semiconductor industry are very similar, from the outset, are stuck in the device. Equipment accounted for more than a major industry, semiconductors accounted for 70%, but China-made equipment, a step the total difference can only be imported over the years, leading to costly and Technology General cards in the hands of others. China tried to tackle key problems, breaking through these ideas is positive, but at least for now the result was very satisfactory. Some people think that out of line equipment and technology and decentralization of funds and other reasons, are correct, but may underestimate the difficulty of the problem. International R & D costs are usually 10 times sales, that is a MOCVD1500 million, then at least invest 150 million yuan, but certainly not enough to the situation in China. Because of the industrial base, including market size, quality, brands and ideas and other aspects, not overnight will soon be able to achieve localization, so that the status quo can not be borne entirely by equipment factory. In recent years, the electronic equipment has been good progress, such as the manufacture of solar cells, some equipment has been able to achieve localization. However, the long way to go, need to change the thinking from now on, our equipment is manufactured to meet the customers can grow out of good quality LED epitaxial wafers, that is, the process requirements into the device quotas. Be able to product quality, reliability, cost and other comprehensive performance production equipment with foreign countries may follow. The same situation in the CVD thin-film solar cell devices.

[ Last edited by antimatter at 2010-1-22 10:54 AM ]

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Post time 2010-1-22 10:53:02 |Display all floors
MOCVD the Eleventh National Conference on January 12, 2010 held in Suzhou in Jiangsu Province for a period of 2 days, meeting with many experts and scholars to exchange, this application of MOCVD to explore the main focus on LED, solar / laser area The applications are many. Domestic MOCVD general feeling is: concerned about the people than those who do less.

The development of China's mixed MOCVD

At present, China has made in the manufacture of epitaxial growth of long-term development, in different substrates (Al2O3, Si, SiC, AiN) on the epitaxial growth of GaN materials, has developed a graphical epitaxial substrate, non-polar or semi-polar extension and so on, to improve within the quantum efficiency and external quantum efficiency, achieved very good research results, has been developed AlGaN deep UV (260nm-400nm) light-emitting diodes, developed a 1W blue LED of the chip, made of white light LED luminous efficiency of more than 80lm / W and the development of a 4 yuan Department of AlGaInP red power LED devices, light-emitting efficiency of about 40lm / W, Nanchang University has developed a silicon substrate with self-owned intellectual property rights grow GaN, and to make blue and green LED chips.

Nevertheless, we see the core LED epitaxial MOCVD equipment still at an early stage of development, in 2008, China has 135 units for production MOCVD equipment, MOCVD equipment will increase in 2009 of around 100, but unfortunately, this is most of dependence on imports, which rarely used Chinese-made equipment, Wuhan, Di Yuan Dong Zhijiang, general manager of optical technology company, said "At present, the characteristics of high power for lighting substrate technology, and processing stability and improvement in the efficiency of the extension rate compared with other countries , the gap gradually narrowed, but the current production of epitaxial equipment is still mainly rely on imports, the mainland market is still a lack of competitive domestic equipment. "

We found that, despite our country as early as 80 years in the last century started to develop MOCVD equipment, but most are never heard from again after introduction of prototypes, of which there are many causes. Some experts believe that investment in scattered and can not form a cohesive force, the lack of domestic market-oriented mode of operation of MOCVD equipment, delays in production of the underlying causes.

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Post time 2010-1-22 10:53:32 |Display all floors
MOCVD equipment, the manufacturing process to use the mechanics, optics, vacuum, gas power, chemical, thermal field distribution, waste processing, and electronic control knowledge, there is a condition for MOCVD material growth process with a combination of engineers, only the This easy to use in order to produce qualified MOCVD equipment. Only people who do understand the process equipment, not, only those who engage in mechanical equipment to do this is not OK, and this is why China is now doing research and some other equipment units of the instrument to do well, but let them alone does not create a single MOCVD equipment So easy, or even can not be completed.

"So I think if we really want to produce a completely usable MOCVD equipment, plant and equipment must be combined MOCVD process personnel, equipment, plants employ a process approach is attended, the process equipment manufacturers to become one of personnel, another way to is a process equipment factory and do in cooperation, will create a good device to do on the unit where the use of technology, continually providing equipment operation and found that equipment deficiencies and areas for improvement, but also sum up the growth of materials process, to improve the control software for reference. "Gao Hongkai said.

Was part of the experts believe, MOCVD and other key equipment is an embodiment of national will, and the state must strive to input and full support. In addition to the entire system, but also attach importance to the manufacture of key components and supporting capabilities, such as high-quality high-purity graphite, crystal materials, parts, stainless steel materials and components, materials, surface treatment, as well as pressure, flow, temperature probe, the kinds of vacuum pumps, etc. are essential for MOCVD.

MOCVD equipment is the development of LED industry, the most critical equipment, the development of LED industry, plays a decisive role, the state parties to the relevant departments should focus on development of MOCVD equipment, talents and resources of the unit, "to break the existing mess and fragmented" situation, focus on inputs to focus on development and manufacture of equipment to solve the key technology to master the core technology with independent property rights and the early realization of MOCVD equipment at home for mass production. The only way to expedite the implementation of LED industry, as well as reduce the cost of LED-related products, achieve greater industrial development.

Visit optics expert, Precision Optical Engineering, Suzhou University, Jing-Chi Yu, director of the teachers when they saw their optical core in the development of domestic processing equipment and success, experience is worth learning MOCVD industry. Jing-Chi Yu said the teacher present, they are jointly Suzhou University, Harbin Institute of Technology, Xi'an Jiaotong University and other resources to jointly set up a company, which brings together the domestic optics, precision machinery, electronics and other parties to experts, the active core of the domestic optical processing equipment (non-spherical) in research, "the current prototype has been developed, the next step is how to better improve."

[ Last edited by antimatter at 2010-1-22 10:55 AM ]

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Post time 2010-1-22 10:56:31 |Display all floors
Foreign JV is welcomed to help build up China's MOCVD capibility,   foundation of LED industry.

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Post time 2010-1-22 14:27:47 |Display all floors

one application....TV!

Ah! Back to micro electronics again!

hmmmm

ha ha ha


Green DRagon
Game Master

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Post time 2010-1-23 00:29:23 |Display all floors
Originally posted by greendragon at 2010-1-22 14:27
Ah! Back to micro electronics again!

hmmmm

ha ha ha


Green DRagon
Game Master


Nah, don't be short sighted.   

LED involved in GaN, that stuffs can used for MMIC , meaning   AESA radar  for jet fighter.
Solid State technology is the crown jewel of all technology, because it deals with in molecular level, device physcis.

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Post time 2010-1-23 00:30:23 |Display all floors
But most importantly y create a chain of new industries, chemcial, machinery,  optics, lasers.

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