JPH0563773B2 - - Google Patents

Info

Publication number
JPH0563773B2
JPH0563773B2 JP30803186A JP30803186A JPH0563773B2 JP H0563773 B2 JPH0563773 B2 JP H0563773B2 JP 30803186 A JP30803186 A JP 30803186A JP 30803186 A JP30803186 A JP 30803186A JP H0563773 B2 JPH0563773 B2 JP H0563773B2
Authority
JP
Japan
Prior art keywords
measurement light
light beam
reflected
objective lens
optical
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 - Fee Related
Application number
JP30803186A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63163315A (ja
Inventor
Katsushige Nakamura
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.)
Mitaka Kohki Co Ltd
Original Assignee
Mitaka Kohki Co 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 Mitaka Kohki Co Ltd filed Critical Mitaka Kohki Co Ltd
Priority to JP30803186A priority Critical patent/JPS63163315A/ja
Publication of JPS63163315A publication Critical patent/JPS63163315A/ja
Publication of JPH0563773B2 publication Critical patent/JPH0563773B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
JP30803186A 1986-12-25 1986-12-25 非接触自動焦点位置合わせ方法 Granted JPS63163315A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30803186A JPS63163315A (ja) 1986-12-25 1986-12-25 非接触自動焦点位置合わせ方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30803186A JPS63163315A (ja) 1986-12-25 1986-12-25 非接触自動焦点位置合わせ方法

Publications (2)

Publication Number Publication Date
JPS63163315A JPS63163315A (ja) 1988-07-06
JPH0563773B2 true JPH0563773B2 (enrdf_load_stackoverflow) 1993-09-13

Family

ID=17976053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30803186A Granted JPS63163315A (ja) 1986-12-25 1986-12-25 非接触自動焦点位置合わせ方法

Country Status (1)

Country Link
JP (1) JPS63163315A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS63163315A (ja) 1988-07-06

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

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LAPS Cancellation because of no payment of annual fees