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Patent Searching and Data


Title:
DEFECT DETECTING METHOD, DEFECT OBSERVING METHOD AND DEFECT DETECTING APPARATUS
Document Type and Number:
Japanese Patent JP2002100660
Kind Code:
A
Abstract:

To provide a highly sensitive inspection technology that can prevent detection of misinformation.

This defect detecting method has a means to detect an image of a whole chip, and, an inspection region of this image is divided into a plurality of regions based on sensitivity to fatal defects so that inspection sensitivity can be set up in each region. Or by recording a characteristic amount to judge a defect in an inspection result, for example a shading difference, misinformation can be removed in a post handling after the inspection. Moreover, by configuring a sharing system of inspecting conditions and others necessary in common among a group of inspection apparatuses, it becomes possible to reduce the time finding out an inspecting condition and monitor stability and reliability.


Inventors:
SHIBATA YUKIHIRO
MAEDA SHUNJI
KENBO YUKIO
Application Number:
JP2001103290A
Publication Date:
April 05, 2002
Filing Date:
April 02, 2001
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G01B11/30; G01N21/95; G01N21/956; G01N23/205; H01L21/66; (IPC1-7): H01L21/66; G01B11/30; G01N21/956; G01N23/205
Attorney, Agent or Firm:
Katsuo Ogawa (2 outside)