JPH01157423U - - Google Patents

Info

Publication number
JPH01157423U
JPH01157423U JP4740488U JP4740488U JPH01157423U JP H01157423 U JPH01157423 U JP H01157423U JP 4740488 U JP4740488 U JP 4740488U JP 4740488 U JP4740488 U JP 4740488U JP H01157423 U JPH01157423 U JP H01157423U
Authority
JP
Japan
Prior art keywords
light
height detector
height
imaging means
optical path
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.)
Pending
Application number
JP4740488U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP4740488U priority Critical patent/JPH01157423U/ja
Publication of JPH01157423U publication Critical patent/JPH01157423U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electron Beam Exposure (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
JP4740488U 1988-04-07 1988-04-07 Pending JPH01157423U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4740488U JPH01157423U (enExample) 1988-04-07 1988-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4740488U JPH01157423U (enExample) 1988-04-07 1988-04-07

Publications (1)

Publication Number Publication Date
JPH01157423U true JPH01157423U (enExample) 1989-10-30

Family

ID=31273614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4740488U Pending JPH01157423U (enExample) 1988-04-07 1988-04-07

Country Status (1)

Country Link
JP (1) JPH01157423U (enExample)

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