JPS5421256A - Manufacture for correction filter for exposure unit and its manufacturing unit - Google Patents

Manufacture for correction filter for exposure unit and its manufacturing unit

Info

Publication number
JPS5421256A
JPS5421256A JP8693177A JP8693177A JPS5421256A JP S5421256 A JPS5421256 A JP S5421256A JP 8693177 A JP8693177 A JP 8693177A JP 8693177 A JP8693177 A JP 8693177A JP S5421256 A JPS5421256 A JP S5421256A
Authority
JP
Japan
Prior art keywords
unit
manufacture
correction filter
manufacturing
exposure
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
JP8693177A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5720654B2 (enExample
Inventor
Atsushi Kihara
Kazuaki Hirabayashi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP8693177A priority Critical patent/JPS5421256A/ja
Publication of JPS5421256A publication Critical patent/JPS5421256A/ja
Publication of JPS5720654B2 publication Critical patent/JPS5720654B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Filters (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
JP8693177A 1977-07-19 1977-07-19 Manufacture for correction filter for exposure unit and its manufacturing unit Granted JPS5421256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8693177A JPS5421256A (en) 1977-07-19 1977-07-19 Manufacture for correction filter for exposure unit and its manufacturing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8693177A JPS5421256A (en) 1977-07-19 1977-07-19 Manufacture for correction filter for exposure unit and its manufacturing unit

Publications (2)

Publication Number Publication Date
JPS5421256A true JPS5421256A (en) 1979-02-17
JPS5720654B2 JPS5720654B2 (enExample) 1982-04-30

Family

ID=13900599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8693177A Granted JPS5421256A (en) 1977-07-19 1977-07-19 Manufacture for correction filter for exposure unit and its manufacturing unit

Country Status (1)

Country Link
JP (1) JPS5421256A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838266A (en) * 1986-09-08 1989-06-13 Koziol Jeffrey E Lens shaping device using a laser attenuator
US6447963B2 (en) * 1997-07-17 2002-09-10 Matsushita Electric Industrial Co., Ltd. Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499580A (enExample) * 1972-05-25 1974-01-28
JPS4940480A (enExample) * 1972-08-21 1974-04-16
JPS5247672A (en) * 1975-10-15 1977-04-15 Hitachi Ltd Illuminance correction filter and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499580A (enExample) * 1972-05-25 1974-01-28
JPS4940480A (enExample) * 1972-08-21 1974-04-16
JPS5247672A (en) * 1975-10-15 1977-04-15 Hitachi Ltd Illuminance correction filter and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838266A (en) * 1986-09-08 1989-06-13 Koziol Jeffrey E Lens shaping device using a laser attenuator
US6447963B2 (en) * 1997-07-17 2002-09-10 Matsushita Electric Industrial Co., Ltd. Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method

Also Published As

Publication number Publication date
JPS5720654B2 (enExample) 1982-04-30

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