JPS554848A - Dimming filter - Google Patents

Dimming filter

Info

Publication number
JPS554848A
JPS554848A JP7789678A JP7789678A JPS554848A JP S554848 A JPS554848 A JP S554848A JP 7789678 A JP7789678 A JP 7789678A JP 7789678 A JP7789678 A JP 7789678A JP S554848 A JPS554848 A JP S554848A
Authority
JP
Japan
Prior art keywords
meshy
transmittivity
photo
film
fixed
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
JP7789678A
Other languages
Japanese (ja)
Inventor
Yasuo Iwasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7789678A priority Critical patent/JPS554848A/en
Publication of JPS554848A publication Critical patent/JPS554848A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Filters (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE:To facilitate production while preventing a change with the passage of time of photo-transmittivity, by mounting a meshy film in metal or plastic onto a transparent substrate. CONSTITUTION:A dimming filter 23 is formed by fixing a meshy film 22 in metal or plastic, which is made up in a fixed shape and has fixed photo-transmittivity, on one transparent substrate 21 in glass, etc. through adhesives. A meshy dimming filter 23 is obtained by holding the meshy film 22 in metal or plastic, which is built up in a fixed shape and has fixed photo-transmittivity, between two transparent substrates 211, 212 in glass, etc. and by settling the film according to circumstances. The whole said filter is turned centering around a fixed shaft in a process of dimming. Such constitution facilitates manufacture, and causes no change with the passage of time of photo-transmittivity.
JP7789678A 1978-06-26 1978-06-26 Dimming filter Pending JPS554848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7789678A JPS554848A (en) 1978-06-26 1978-06-26 Dimming filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7789678A JPS554848A (en) 1978-06-26 1978-06-26 Dimming filter

Publications (1)

Publication Number Publication Date
JPS554848A true JPS554848A (en) 1980-01-14

Family

ID=13646832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7789678A Pending JPS554848A (en) 1978-06-26 1978-06-26 Dimming filter

Country Status (1)

Country Link
JP (1) JPS554848A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016024257A (en) * 2014-07-17 2016-02-08 株式会社ニコン Exposure method and apparatus, and device manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016024257A (en) * 2014-07-17 2016-02-08 株式会社ニコン Exposure method and apparatus, and device manufacturing method

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Legal Events

Date Code Title Description
A761 Written withdrawal of application

Effective date: 20040604

Free format text: JAPANESE INTERMEDIATE CODE: A761