JPS6342222B2 - - Google Patents

Info

Publication number
JPS6342222B2
JPS6342222B2 JP727678A JP727678A JPS6342222B2 JP S6342222 B2 JPS6342222 B2 JP S6342222B2 JP 727678 A JP727678 A JP 727678A JP 727678 A JP727678 A JP 727678A JP S6342222 B2 JPS6342222 B2 JP S6342222B2
Authority
JP
Japan
Prior art keywords
light
inspection
directions
semiconductor wafer
reflected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP727678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54101389A (en
Inventor
Masakuni Akiba
Hiroto Nagatomo
Jun Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP727678A priority Critical patent/JPS54101389A/ja
Publication of JPS54101389A publication Critical patent/JPS54101389A/ja
Publication of JPS6342222B2 publication Critical patent/JPS6342222B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/94—Investigating contamination, e.g. dust

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
JP727678A 1978-01-27 1978-01-27 Foreign matter inspecting method Granted JPS54101389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP727678A JPS54101389A (en) 1978-01-27 1978-01-27 Foreign matter inspecting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP727678A JPS54101389A (en) 1978-01-27 1978-01-27 Foreign matter inspecting method

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP8177984A Division JPS6063449A (ja) 1984-04-25 1984-04-25 欠陥検査装置
JP8178084A Division JPS6063450A (ja) 1984-04-25 1984-04-25 欠陥検査装置

Publications (2)

Publication Number Publication Date
JPS54101389A JPS54101389A (en) 1979-08-09
JPS6342222B2 true JPS6342222B2 (enrdf_load_stackoverflow) 1988-08-22

Family

ID=11661497

Family Applications (1)

Application Number Title Priority Date Filing Date
JP727678A Granted JPS54101389A (en) 1978-01-27 1978-01-27 Foreign matter inspecting method

Country Status (1)

Country Link
JP (1) JPS54101389A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671173A (en) * 1979-11-14 1981-06-13 Hitachi Ltd Pattern detection method of printed circuit substrate
JPS5767844A (en) * 1980-10-15 1982-04-24 Nippon Kogaku Kk <Nikon> Surface inspecting device
JPS5797261U (enrdf_load_stackoverflow) * 1980-12-05 1982-06-15
JPS59135353A (ja) * 1983-01-24 1984-08-03 Toshiba Corp 表面傷検出装置
JP3087384B2 (ja) * 1991-10-08 2000-09-11 松下電器産業株式会社 異物検査装置

Also Published As

Publication number Publication date
JPS54101389A (en) 1979-08-09

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