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- The etch pit density of SI-GaAs crystals can reach the order of 10~2/cm~2.There is no microprecipitate of indium in the crystals. 晶体中位错腐蚀坑密度达到约10~2/cm~2数量.;晶体中没有观察到铟的微沉淀物
- Germanium monocrystal--Inspection of dislocation etch pit density GB/T5252-1985锗单晶位错腐蚀坑密度测量方法
- Method of measurement of etch pit density of germanium crystal 锗晶体浸蚀点密度的测定方法
- Germanium monocrystal; Inspection of dislocation etch pit density 锗单晶位错腐蚀坑密度测量方法
- Keywords BBO crystal;chemical etch;etch pit density（EPD）;refractive index inhomogeneity; BBO晶体;化学腐蚀;蚀坑密度;光学均匀性;
- etch pit density 腐蚀坑密度
- etch pit density(EPD) 腐蚀坑密度
- the SEM results of etched pit density (EPD) of the radiated GaAs wafer by preferential etching with KOH melt show the "W"linear profiles of lightly chromium doped GaAs crystals; 红外透射测量结果表明:当位错密度不太高时,位错引入的电子态的体密度低,位错的径向分布对红外透过率的影响很小;
- Lithographic printing aluminum plate was systematically ac electrograined to investigate the nucleation and growth of the etch pit and the formation of the etch film. 摘要本研究针对平版印刷用铝板进行一系列交流电解粗化，藉以瞭解蚀孔衍生成长机构与腐蚀膜的生长机制。
- The results indicate that descent of the nucleation energy of diamond with the pit density resulted in enhancement of nucleation density and nucleation speed, and the results are in agreement with experimental results in conferences. 结果表明金刚石的核化能随凹坑密度的增大而降低 ,从而导致核化密度及核化速率的提高 ,与文献中的实验结果相一致。
- However,the pure edge dislocation is easily etched along the dislocation line,inducing an etch pit of inverted hexagonal pyramid aligned with the surface step. 纯刃位错易于沿位错线被腐蚀;因而其腐蚀坑是沿着表面阶梯分布的尖底倒六棱椎.
- Keywords ECP technique Etch pit technique Dislocation density Synthetic diamond Intrinsic contrast; ECP技术;蚀坑技术;位错密度;人造金刚石;本征衬度;
- The relationship between dislocation etch pits and refractive index inhomogeneity in BBO crystal is reported in this paper. 本文报道了BBO晶体中位错密度对光学均匀性的影响。
- By comparing with the results obtained from etch pits technique,the measurements of the dislocation densi-ty of the diamond crystal have been made by ECP technique of SEM. 本文应用扫描电镜的ECP技术对人造金刚石晶体表面的位错密度，进行了实验分析，并同位错蚀坑分析技术的测量结果进行了比较。
- Some etch pits were observed on {100} face of the most diamond crystals which are synthesized with sulfur-added Fe-Ni, while no etch pit in the diamond synthesized without sulfur additive. 在大多数用含添加剂硫的铁镍触媒合成的金刚石的{100}山面，有熔坑出现，而用铁镍触媒合成的金刚石没有这种现象；
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- Test Method for Shallow Etch Pit Detection on Silicon Wafers 探测硅片表面浅蚀坑的测试方法
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
- The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。
- The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
