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Data classification method and data management method, database and data storage medium based on that data classification method
专利权人:
SEMICONDUCTOR LEADING EDGE TECHNOLOGIES, INC.
发明人:
KOTANI NORIHIKO,HANE MASAMI
申请号:
US19980131666
公开号:
US6363382(B1)
申请日:
1998.08.10
申请国别(地区):
美国
年份:
2002
代理人:
摘要:
Historical steps such as processes of fabrication are each assigned a predetermined character code. Character codes are gathered and arranged in chronological order of the fabrication processes for their classification. Using such a classification method, a database is built to include records each storing a plurality of measured data and accommodating data fields for retaining historical data.
来源网站:
中国工程科技知识中心
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