Research and Application of MEMS technique tat BSFF

LIGA technique has been developed since 1993 at BSRF,including the fabrication of LIGA mask, deep X-ray Lithography,electroplating,the pouring molding and the applications in some fields.The LIGA mask with gold absorbing structures of 20μm thick ness and 5μm width and Kapton membrane of around 5μm thicness has been successfull fabricated and applied to the deep X-ray lithography with the PMMA structure of 1mm thickness or obove.the beamline form a wiggler is used for the deep X-ray lithography of LIGA statiion and is open to othe institutes researching the deep X-ray lithography.The normal process of LIGA technique with the exception of molding has been established with the PMMA structures of 500μm thickness at BSRF.The largest aspect ratio of PMMA structrues can reach about 50 with the height of 500μm and the lateral siae of 10μm. The nickel and copper structures with the theickness of 0.5mm and 1mm have been made by using the electroplating technique.The SU8 as a resist material of deep etch lithography with UV light is also developed in the fabrication of LIGA mask and some devices at BSRF.Electromagnetic stepping micro motor,haet exchange,accelerator,structures used in the EDM(electro discharge machinging) are being developed for the future applications.     

A New Method for the Synthesis of Ketone Diperoxide

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｔｈｅｒｍａｌａｎｄｐｈｏｔｏｃｈｅｍｉｃａｌｄｅｃｏｍｐｏｓｉｔｉｏｎｏｆｔｈｅｄｉｐｅｒｏｘｉｄｅｏｆｔｈｅｃｙｃｌｉｃｋｅｔｏｎｅｓｈａｓｂｅｅｎｆｏｕｎｄｔｏｐｒｏｖｉｄｅｔｈｅｇｅｎｅｒａｌａｎｄｆａｃｉｌｅｓｙｎｔｈｅｓｅｓｏｆｍａｃｒｏｃｙｃｌｉｃｃｏｍｐｏｕｎｄｓ［１，２］．Ｔｈｅｕｓｅｏｆｄｉｐｅｒｏｘｉｄｅｓａｓｉｎｉｔｉａｔｏｒｓｉｎｐｏｌｙｍｅｒｉｚａｔｉｏｎｈａｓａｌｓｏｂｅｅｎｓｔｕｄｉｅｄ［３］．Ｆｏｒｔｈｅｓｅｒｅａｓｏｎｓ，ａｂｅｔ…     

Lithium Camphor initiated Anionic Polymerization of C_(60) and Styrene

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎｒｅｃｅｎｔｙｅａｒｓ，ｔｈｅｐｏｌｙｍｅｒｉｃｍｏｄｉｆｉｃａｔｉｏｎｏｆｆｕｌｌｅｒｅｎｅｈａｓａｔｔｒａｃｔｅｄａｇｒｅａｔｉｎｔｅｒｅｓｔ［１］．Ｆｕｌｌｅｒｅｎｅａｎｄｉｔｓｄｅｒｉｖａｔｉｖｅｓｃａｎｂｅｄｉｒｅｃｔｌｙｉｎｃｏｒｐｏｒａｔｅｄｉｎｔｏａｖａｒｉｅｔｙｏｆｐｏｌｙｍｅｒｓｂｙｃｏｐｏｌｙｍｅｒｉｚａｔｉｏｎｏｒｇｒａｆｔｉｎｇ．Ｆｕｌｌｅｒｅｎｅ－ｂａｓｅｄｐｏｌｙｓｔｙｒｅｎｅａｎｄｉｔｓｄｅｒｉｖａｔｉｖｅｓｃａｎｂｅｐｒｅｐａｒｅｄｉ…     

Purification and Characterization of an Antibacterial Peptide from Rana Temporaria Chensinensis Skin

ＩｎｔｒｏｄｕｃｔｉｏｎＩｎａｄｄｉｔｉｏｎｔｏｔｈｅｈｉｇｈｌｙｓｐｅｃｉｆｉｃｃｅｌｌ－ｍｅｄｉａｔｅｄｉｍｍｕｎｅｓｙｓｔｅｍ，ｖｅｒｔｅｂｒａｔｅｓａｎｄｏｔｈｅｒｏｒｇａｎｉｓｍｓｈａｖｅａｄｅｆｅｎｓｅｓｙｓｔｅｍｍａｄｅｕｐｏｆｄｉｓｔｉｎｃｔｇｒｏｕｐｓｏｆｂｒｏａｄ－ｓｐｅｃｔｒｕｍａｎｔｉｂａｃｔｅｒｉａｌｐｅｐｔｉｄｅｓ［１—３］．Ａｎｔｉｂａｃｔｅｒｉａｌｐｅｐｔｉｄｅｓｃａｎｂｅｃｌａｓｓｉｆｉｅｄｉｎｔｏｔｗｏｇｒｏｕｐｓｂａｓｅｄｏｎｈａｖｉｎｇｄｉｓｕｌ－ｆｉｄｅ…     

2H NMR Spectroscopic Investigation of para-Nitroazobenzene Liquid Crystals

Ｔｈｅｕｎｉｑｕｅｐｒｏｐｅｒｔｙｏｆｔｈｅａｚｏｂｅｎｚｅｎｅｇｒｏｕｐｉｓｉｔｓｃｉｓ ｔｒａｎｓｉｓｏｍｅｒｉｚａｔｉｏｎｃａｕｓｅｄｂｙｂｅｉｎｇｉｒｒａｄｉａｔｅｄｗｉｔｈａｐｐｒｏｐｒｉａｔｅＵＶｌｉｇｈｔ(ｓｕｃｈａｓ 356ｎｍｗｈｉｃｈｄｅｐｅｎｄｓｏｎｔｈｅＵＶ Ｖｉｓｉｂｌｅａｂ ｓｏｒｐｔｉｏｎｏｆｔｈｅｃｏｍｐｏｕｎｄ)ａｎｄｔｈｕｓｍｏｎｏｍｅｒｉｃｏｒｐｏｌｙｍｅｒｉｃｌｉｑｕｉｄｃｒｙｓｔａｌｓｃｏｎｔａｉｎｉｎｇａｚｏｂｅｎ ｚｅｎｅｇｒｏｕｐｓｓｈｏｗ ｐｒｏｍｉｓｅｆ…     

Syntheses and Structural Researches of Yb~(3+) Complexes with Nitrilotriacetic Acids──Nine-coordinate K_3[Yb(nta)_2(H_2O)]·5H_2O and Eight-coordinate Na_3[Yb(nta)_2]·6H_2O Complexes

IntroductionBecause the rare earth metal compounds havethe promotion to the growth of animals andplants[1] ,and the functions of antiinflammation,antibacterium[2 ] ,anticoagulantion[3 ] and anti-caner[4] ,the investigation on the syntheses and bio-logical activities of the rare earth metal compoundshas attracted many chemists attention.The com-pounds of heavy rare earth element Yb are consid-ered as the representative of these rare earth metalcompounds.Otherwise,the radioactive rare earthmetal…     

Photopolymerization of Dendritic Acrylated Aromatic/Aliphatic Polyesters and Properties of Their Cured Films

Introduction　　 Radiation( UV/EB) curing technology iswidely used for the preparation of curablematerials,such as inks,coatings and compositesdue to their high cure rate,environmentalprotection,and the saving of energy[1～ 3 ] .For theprocessing of resins as the application,two basicparameters are the most important,namely,theresulting degree of conversion of functional groupsand the polymerization kinetics during the curing,which determine the value for its intended end use.　　 The dendri…     

航空发动机在线振动监测系统的开发

立体仓库堆垛机定位控制中由于测量产生的误差,如编码器存在累积误差的缺陷,激光测距仪因震荡等不确定因素产生误差,严重影响堆垛机的定位精度。针对堆垛机此类定位控制精度问题,采用组合定位的控制方法,即双闭环控制方法。粗定位与精确定位结合使用,在低速段用精定位反馈,提高定位精度。最后对堆垛机的定位误差进行了分析,结果满足控制系统的要求。实验证明,该方法很好的实现了立库堆垛机运行的精确定位问题,定位精度在3㎜范围内,符合定位要求。     

Microstructure Analysis of Nylon 66 by WAXD and SAXS

IntroductionNylon 66,one of the most successfulcommercial polyamides,has been widely usednowadays as an engineering plastic in many fields.The development of the structure of nylons is acontinuing area of their technological and scientificstudy.The structure of nylon 66 during thephotoinduced decomposition process has beenstudied by resonance Raman[1] ,and the effect oftranscrystalline layers have been investigated[2— 4] .Moreover,the crystallization and meltingbehavior[5] have been learned …     

多复变一类星形映照子族的系数不等式（英文）

Let S~* be the familiar class of normalized univalent functions in the unit disk.In [9], Keogh and Merkes proved that for a function f(z) = z +∑k=2∞ a_kz~k in the class S~*,then |a_3-λa_2~2| ≤ max{1, |3-4λ|}, λ∈ C. In this article, we investigate the corresponding problem for the subclass of starlike mappings defined on the unit ball in a complex Banach space, on the unit polydisk in Cnand the bounded starlike circular domain in C~■, respectively.