JPS5774605A - Optical inspection head - Google Patents

Optical inspection head

Info

Publication number
JPS5774605A
JPS5774605A JP55151620A JP15162080A JPS5774605A JP S5774605 A JPS5774605 A JP S5774605A JP 55151620 A JP55151620 A JP 55151620A JP 15162080 A JP15162080 A JP 15162080A JP S5774605 A JPS5774605 A JP S5774605A
Authority
JP
Japan
Prior art keywords
panel
inspection head
light shielding
optical inspection
calibration mark
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.)
Granted
Application number
JP55151620A
Other languages
Japanese (ja)
Other versions
JPS6365886B2 (en
Inventor
Kenichi Mizuno
Hideo Takeuchi
Satoru Horiguchi
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.)
Toshiba Mechatronics Co Ltd
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
Toshiba Seiki 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 Dai Nippon Printing Co Ltd, Toshiba Seiki Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP55151620A priority Critical patent/JPS5774605A/en
Publication of JPS5774605A publication Critical patent/JPS5774605A/en
Publication of JPS6365886B2 publication Critical patent/JPS6365886B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE:To improve the accuracy with an accuracy reading of a calibration mark by means of a light shielding plate positioned on both sides of the mark on a panel of an optical detector on an inspection head. CONSTITUTION:A panel 14 such as offset printing plate is placed on a punching plate 13 and an optical inspection head 10 is reciprocated to measure the area of a pattern. At this point, the optical inspection head 10 is exposed under lights from two light sources 23 for linear lighting on a panel 14 in slits through a mask 26 and the reflected lights are received with light shielding boxes 31 arranged in a line. A pair of light shielding plates 37 are provided at the position corresponding to a calibration mark 35 provided at the edge section of the panel 14. This enles the reception of the reflected lights from the calibration mark 35 as measuring reference free from adverse effects from the surrounding area thereby assuring an accurate reading.
JP55151620A 1980-10-29 1980-10-29 Optical inspection head Granted JPS5774605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151620A JPS5774605A (en) 1980-10-29 1980-10-29 Optical inspection head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151620A JPS5774605A (en) 1980-10-29 1980-10-29 Optical inspection head

Publications (2)

Publication Number Publication Date
JPS5774605A true JPS5774605A (en) 1982-05-10
JPS6365886B2 JPS6365886B2 (en) 1988-12-19

Family

ID=15522513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151620A Granted JPS5774605A (en) 1980-10-29 1980-10-29 Optical inspection head

Country Status (1)

Country Link
JP (1) JPS5774605A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444914A (en) * 1977-09-14 1979-04-09 Mitsuo Tanaka Method of easily adjusting ink in flat plate printing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5444914A (en) * 1977-09-14 1979-04-09 Mitsuo Tanaka Method of easily adjusting ink in flat plate printing

Also Published As

Publication number Publication date
JPS6365886B2 (en) 1988-12-19

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