首页   按字顺浏览 期刊浏览 卷期浏览 Proposals for exact-point transmission-electron microscopy using focused ion beam speci...
Proposals for exact-point transmission-electron microscopy using focused ion beam specimen-preparation technique

 

作者: T. Ishitani,   Y. Taniguchi,   S. Isakozawa,   H. Koike,   T. Yaguchi,   H. Matsumoto,   T. Kamino,  

 

期刊: Journal of Vacuum Science&Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena  (AIP Available online 1998)
卷期: Volume 16, issue 4  

页码: 2532-2537

 

ISSN:1071-1023

 

年代: 1998

 

DOI:10.1116/1.590204

 

出版商: American Vacuum Society

 

数据来源: AIP

 

摘要:

A focused ion beam (FIB) has been actively applied for preparation of about 0.1-μm-thick specimens for transmission electron microscopes (TEMs). For device failure analyses, however, it is mostly difficult to prepare the exact-point TEM specimens. The reason is that the failures are mostly beneath the surface and their exact locations are unknown. Then, even step-by-step FIB cross sectioning may sputter away the failures in the TEM specimen preparation. In the present study, we review two proposals for exact-point TEM microscopy using FIB specimen-preparation technique: (1) high-voltage scanning electron microscopes (HV-SEMs) imaging in TEM and (2) energy filtering TEM (EF-TEM) imaging. The HV-SEM imaging provides information on not only the sample surface but also the inner structure up to about 1μm deep. The EF-TEM imaging is applicable even for 0.5-μm-thick specimens at 100 kV in the accelerating voltage, in contrast with about 0.1-μm-thick specimens for conventional TEM imaging. Preliminary experiments have supported that either proposal presumably improves the yield of the exact-point TEM inspection.

 

点击下载:  PDF (791KB)



返 回