polysilicon


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polysilicon

(POLYcrystalline SILICON) Silicon with many single-crystal regions of different sizes and orientations. It is used as the gate in MOS transistors as well as an interconnect between them. It is also used to "grow" a monocrystalline (single-crystal) ingot that is sliced into wafers for chip manufacturing (see crystalline silicon for details). See crystalline and LTPS LCD.
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References in periodicals archive ?
Daqo New Energy said the loan approval from Bank of China demonstrates their confidence in Daqo New Energy's business prospects and recognizes our position as a clear leader in the polysilicon industry.
OCI and Hanwha Chemical have exported about 80 percent and 50 percent of their polysilicon output to China, respectively.
Dr Khalid K Al Hajri, chairman and CEO, QSTec, said: "The first polysilicon produced from our facility in Qatar represents a major milestone for our company and has paved the way for a solar manufacturing base to be established within the region."
SunEdison also said that its board of directors on February 16, 2016 decided to permanently close the company's Pasadena, Texas polysilicon manufacturing plant.
The report contains a comprehensive analysis of the global polysilicon industry along with detailed study of regional markets including China and Japan.
"I am pleased that existing differences concerning the prices for our polysilicon exports to China have been successfully resolved through dialogue," said WACKER CEO Rudolf Staudigl in an initial statement.
The agreement calls for GTAT to provide equipment and technology and Kuala Lumpur-based Cosmos Chemicals Berhad to provide equipment and technology for the polysilicon facility.
The complex would utilize both SunEdison's proprietary high pressure silane fluidized bed reactor (HP-FBR) polysilicon, and continuous Czochralski (CCz) crystal ingot technology and equipment, as well as include solar wafer, cell and module manufacturing.
Among waveguide materials, polysilicon is the most intensively investigated material due to its high refractive index and yet high through output which leads to low production cost [2].
Four international consortia have submitted their bids to build a 10,000 tonne capacity polysilicon plant to Saudi Arabia's Idea Polysilicon Company (IPC) on the back of plans to develop a fully-integrated photo-voltaic (PV) supply chain in the Kingdom.
Four international consortiums have submitted their bids to build a 10,000 tonne capacity polysilicon plant to Saudi Arabias's Idea Polysilicon Company (IPC) on the back of plans to develop a fully-integrated photo-voltaic (PV) supply chain within Kingdom.