NONDESTRUCTIVE MEASUREMENT OF SUBSURFACE MICRO-DEFECTS IN SILICON-WAFER BY LASER SCATTERING TOMOGRAPHY

被引:0
|
作者
HIRAI, K
OHTSUKA, M
MORIYA, K
机构
来源
DEFECT RECOGNITION AND IMAGE PROCESSING IN SEMICONDUCTORS AND DEVICES | 1994年 / 135期
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A non-destructive measurement system has been developed for characterizing subsurface micro-defects in silicon wafers. The laser beam is focused to about 3 mu m diameter and applied to the wafer. The scattered light is also observed from the polished side. The scattered light has a complicated signal, because the light from haze and dust on the surface and defects in the crystal are mixed. By using a polarization analysis method, dust and defects are clearly distinguished.
引用
收藏
页码:139 / 142
页数:4
相关论文
共 50 条
  • [1] Control of the Micro-Defects on the Surface of Silicon Wafer in Chemical Mechanical Polishing
    Zhao, Qun
    Xie, Shunfan
    Wang, Hanxiao
    Yang, Luyao
    Mei, Xukun
    He, Yangang
    ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, 2022, 11 (02)
  • [2] ULTRAVIOLET-LASER ABLATION OF A SILICON-WAFER
    KAWASAKI, M
    SATO, H
    INOUE, G
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1987, 26 (09): : 1604 - 1605
  • [3] ULTRAVIOLET-LASER ABLATION OF A SILICON-WAFER
    KAWASAKI, M
    SATO, H
    INOUE, G
    LASER- AND PARTICLE-BEAM CHEMICAL PROCESSES ON SURFACES, 1989, 129 : 371 - 374
  • [5] Laser scattering measurement of microdefects on silicon oxide wafer
    Ha, T
    Miyoshi, T
    Takaya, Y
    Takahashi, S
    MEASUREMENT TECHNOLOGY AND INTELLIGENT INSTRUMENTS VI, 2005, 295-296 : 3 - 8
  • [6] OBSERVATION OF MICRO-DEFECTS IN AS-GROWN AND HEAT-TREATED SI CRYSTALS BY INFRARED-LASER SCATTERING TOMOGRAPHY
    MORIYA, K
    JOURNAL OF CRYSTAL GROWTH, 1989, 94 (01) : 182 - 196
  • [7] Subsurface damage measurement in silicon wafers by laser scattering
    Zhang, JM
    Sun, JG
    Pei, ZJ
    TRANSACTIONS OF THE NORTH AMERICAN MANUFACTURING RESEARCH INSTITUTE OF SME, VOL XXX, 2002, 2002, : 535 - 542
  • [8] ULTRASONIC IN-PROCESS MEASUREMENT OF SILICON-WAFER THICKNESS
    TSUTSUMI, M
    ITO, Y
    MASUKO, M
    PRECISION ENGINEERING-JOURNAL OF THE AMERICAN SOCIETY FOR PRECISION ENGINEERING, 1982, 4 (04): : 195 - 199
  • [9] DEFECTS CAUSED BY VACUUM CHUCK BURRS IN SILICON-WAFER PROCESSING
    DYER, LD
    MEDDERS, JB
    JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1984, 131 (03) : C82 - C82
  • [10] APPLICATION OF A SCANNING PHOTON MICROSCOPE TO NONDESTRUCTIVE DETECTION OF RESISTIVITY STRIATIONS IN A SILICON-WAFER
    KINAMERI, K
    MUNAKATA, C
    ABE, T
    MEASUREMENT SCIENCE AND TECHNOLOGY, 1990, 1 (07) : 621 - 623