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Fujian Deer Technology Company Ltd. 

时时彩刷水稳赚的玩法|腾讯时时彩全天计划

Tel: +86 0597-5331188(Office Tel)

+86 0597-5331166/5331363 (Domestic Tel) 

 +86 0597-5332618( International Tel) 

Fax:0597-5335599
E-mail:  info@fjdeertech.com

Site:www.fjdeertech.com




NF3

Nitrogen trifluoride at room temperature is a colorless, odorless, stable gas, is a strong oxidant.
Nitrogen trifluoride in the microelectronics industry as an excellent plasma etching gas,
etching is cleaved at the ion-active fluorine ions, fluoride ions which silicon and tungsten compounds,
high purity nitrogen trifluoride having excellent etching rate and selection property (for silicon oxide and silicon),
which at the time of etching, the etching surface without leaving any residue, the cleaning agent is very good,
while in the chip manufacturing, high energy lasers have been a lot of use.

时时彩刷水稳赚的玩法 

Tel:0597-5331188      时时彩刷水稳赚的玩法|腾讯时时彩全天计划