DATA ACQUISITION SYSTEM FOR ULTRAHIGH-RESOLUTION DEDICATED STEM

一个自动数据采集系统正在继续开发中，用于 HB501超高分辨率专用扫描真空发生器 透射式电子显微镜(STEM)克服了 用于并发数据采集和处理的商业系统 算法。作为系统的一部分，数据采集和分析 为Macintosh II类苹果电脑开发。本节目 苹果电脑。数据采集是利用专门的 改装的商用、与NuBus兼容的I/O处理器和定制设计 采集和控制软件例程。A专利(美国专利号 5,299,138)，由NIH和NIST联合举办，为此发布 1994年3月的分析工具。DTSA只需支付适当的费用即可提供 来自美国国家科学研究院标准参考数据办公室(OSRD) 标准和技术。还获得了版权， OSRD。

An automated data acquisition system is under continuing development for the Vacuum Generators HB 501 ultrahigh-resolution dedicated scanning transmission electron microscope (STEM) to overcome the limitations of commercial systems for concurrent data acquisition and processing algorithms. As part of the system, a data acquisition and analysis program, Desk Top Spectrum Analyzer and X-Ray Database (DTSA), was developed for the Macintosh II class of Apple computers. This program has been modified to run in native mode on the Power PC series and on 68K Apple computers. Data acquisition is accomplished utilizing a specially modified, commercial, NuBus-compatible I/O processor and custom-designed acquisition and control software routines. A patent (U.S. Patent No. 5,299,138), held jointly by the NIH and the NIST, was issued for this analytical tool in March 1994. The DTSA is available for a modest fee from the Office of Standard Reference Data (OSRD), National Institute of Standards and Technology. A copyright has been also obtained by the OSRD.