JPS52126219A - Film pinhole detector - Google Patents

Film pinhole detector

Info

Publication number
JPS52126219A
JPS52126219A JP4185976A JP4185976A JPS52126219A JP S52126219 A JPS52126219 A JP S52126219A JP 4185976 A JP4185976 A JP 4185976A JP 4185976 A JP4185976 A JP 4185976A JP S52126219 A JPS52126219 A JP S52126219A
Authority
JP
Japan
Prior art keywords
film
pinhole detector
film pinhole
film base
wavelengths
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
JP4185976A
Other languages
Japanese (ja)
Inventor
Susumu Murata
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP4185976A priority Critical patent/JPS52126219A/en
Publication of JPS52126219A publication Critical patent/JPS52126219A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
    • G03F1/82—Auxiliary processes, e.g. cleaning or inspecting
    • G03F1/84—Inspecting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

PURPOSE:To detect pinholes on a film base efficiently and exactly, by detecting the transmitting light of the film base for X ray film or the like by a light having wavelengths as same as the characteristic absorption wavelengths of the film base.
JP4185976A 1976-04-15 1976-04-15 Film pinhole detector Pending JPS52126219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4185976A JPS52126219A (en) 1976-04-15 1976-04-15 Film pinhole detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4185976A JPS52126219A (en) 1976-04-15 1976-04-15 Film pinhole detector

Publications (1)

Publication Number Publication Date
JPS52126219A true JPS52126219A (en) 1977-10-22

Family

ID=12619964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4185976A Pending JPS52126219A (en) 1976-04-15 1976-04-15 Film pinhole detector

Country Status (1)

Country Link
JP (1) JPS52126219A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6361150A (en) * 1986-09-01 1988-03-17 Ricoh Co Ltd Method for inspecting flaw of optical information recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6361150A (en) * 1986-09-01 1988-03-17 Ricoh Co Ltd Method for inspecting flaw of optical information recording medium

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