JPS51127808A - Contrast lowering mask - Google Patents

Contrast lowering mask

Info

Publication number
JPS51127808A
JPS51127808A JP5173175A JP5173175A JPS51127808A JP S51127808 A JPS51127808 A JP S51127808A JP 5173175 A JP5173175 A JP 5173175A JP 5173175 A JP5173175 A JP 5173175A JP S51127808 A JPS51127808 A JP S51127808A
Authority
JP
Japan
Prior art keywords
contrast lowering
mask
lowering mask
contrast
lowering
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
JP5173175A
Other languages
English (en)
Japanese (ja)
Other versions
JPS567224B2 (enExample
Inventor
Taku Sakamoto
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Priority to JP5173175A priority Critical patent/JPS51127808A/ja
Publication of JPS51127808A publication Critical patent/JPS51127808A/ja
Publication of JPS567224B2 publication Critical patent/JPS567224B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Preparing Plates And Mask In Photomechanical Process (AREA)
JP5173175A 1975-04-28 1975-04-28 Contrast lowering mask Granted JPS51127808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5173175A JPS51127808A (en) 1975-04-28 1975-04-28 Contrast lowering mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5173175A JPS51127808A (en) 1975-04-28 1975-04-28 Contrast lowering mask

Publications (2)

Publication Number Publication Date
JPS51127808A true JPS51127808A (en) 1976-11-08
JPS567224B2 JPS567224B2 (enExample) 1981-02-17

Family

ID=12895029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5173175A Granted JPS51127808A (en) 1975-04-28 1975-04-28 Contrast lowering mask

Country Status (1)

Country Link
JP (1) JPS51127808A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624756U (enExample) * 1985-06-24 1987-01-12

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4858910A (enExample) * 1971-11-26 1973-08-18
JPS5034522A (enExample) * 1973-07-30 1975-04-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4858910A (enExample) * 1971-11-26 1973-08-18
JPS5034522A (enExample) * 1973-07-30 1975-04-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624756U (enExample) * 1985-06-24 1987-01-12

Also Published As

Publication number Publication date
JPS567224B2 (enExample) 1981-02-17

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