JPS5483846A - Diffusing plate - Google Patents

Diffusing plate

Info

Publication number
JPS5483846A
JPS5483846A JP15205877A JP15205877A JPS5483846A JP S5483846 A JPS5483846 A JP S5483846A JP 15205877 A JP15205877 A JP 15205877A JP 15205877 A JP15205877 A JP 15205877A JP S5483846 A JPS5483846 A JP S5483846A
Authority
JP
Japan
Prior art keywords
substrate
film
photosensitive
mask
etched
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
JP15205877A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6321161B2 (cs
Inventor
Toshiaki Takahashi
Kazumi Nagao
Yoichi Okuno
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP15205877A priority Critical patent/JPS5483846A/ja
Publication of JPS5483846A publication Critical patent/JPS5483846A/ja
Publication of JPS6321161B2 publication Critical patent/JPS6321161B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP15205877A 1977-12-16 1977-12-16 Diffusing plate Granted JPS5483846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15205877A JPS5483846A (en) 1977-12-16 1977-12-16 Diffusing plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15205877A JPS5483846A (en) 1977-12-16 1977-12-16 Diffusing plate

Publications (2)

Publication Number Publication Date
JPS5483846A true JPS5483846A (en) 1979-07-04
JPS6321161B2 JPS6321161B2 (cs) 1988-05-06

Family

ID=15532121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15205877A Granted JPS5483846A (en) 1977-12-16 1977-12-16 Diffusing plate

Country Status (1)

Country Link
JP (1) JPS5483846A (cs)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58207032A (ja) * 1982-05-27 1983-12-02 Nippon Kogaku Kk <Nikon> 焦点板
US4567123A (en) * 1981-03-11 1986-01-28 Canon Kabushiki Kaisha Diffusing plate
US5119235A (en) * 1989-12-21 1992-06-02 Nikon Corporation Focusing screen and method of manufacturing same
WO2002010805A1 (en) * 2000-07-31 2002-02-07 Rochester Photonics Corporation Microlens arrays having high focusing efficiency
US6835535B2 (en) 2000-07-31 2004-12-28 Corning Incorporated Microlens arrays having high focusing efficiency
JP2005221516A (ja) * 2004-02-03 2005-08-18 Olympus Corp 拡散板及びこの拡散板を備える光学装置
US7033736B2 (en) 2000-07-31 2006-04-25 Corning Incorporated Structured screens for controlled spreading of light
US7092165B2 (en) 2000-07-31 2006-08-15 Corning Incorporated Microlens arrays having high focusing efficiency
JP2008181100A (ja) * 2006-12-27 2008-08-07 Dainippon Printing Co Ltd 光学積層体の製造方法
JP2012220833A (ja) * 2011-04-12 2012-11-12 Dainippon Printing Co Ltd 光学部材、面光源装置、及び画像表示装置
JP2013076881A (ja) * 2011-09-30 2013-04-25 Dainippon Printing Co Ltd 光学シートおよび画像表示装置

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567123A (en) * 1981-03-11 1986-01-28 Canon Kabushiki Kaisha Diffusing plate
JPS58207032A (ja) * 1982-05-27 1983-12-02 Nippon Kogaku Kk <Nikon> 焦点板
US5119235A (en) * 1989-12-21 1992-06-02 Nikon Corporation Focusing screen and method of manufacturing same
WO2002010805A1 (en) * 2000-07-31 2002-02-07 Rochester Photonics Corporation Microlens arrays having high focusing efficiency
US6835535B2 (en) 2000-07-31 2004-12-28 Corning Incorporated Microlens arrays having high focusing efficiency
US7033736B2 (en) 2000-07-31 2006-04-25 Corning Incorporated Structured screens for controlled spreading of light
US7092165B2 (en) 2000-07-31 2006-08-15 Corning Incorporated Microlens arrays having high focusing efficiency
JP2005221516A (ja) * 2004-02-03 2005-08-18 Olympus Corp 拡散板及びこの拡散板を備える光学装置
JP2008181100A (ja) * 2006-12-27 2008-08-07 Dainippon Printing Co Ltd 光学積層体の製造方法
JP2012220833A (ja) * 2011-04-12 2012-11-12 Dainippon Printing Co Ltd 光学部材、面光源装置、及び画像表示装置
JP2013076881A (ja) * 2011-09-30 2013-04-25 Dainippon Printing Co Ltd 光学シートおよび画像表示装置

Also Published As

Publication number Publication date
JPS6321161B2 (cs) 1988-05-06

Similar Documents

Publication Publication Date Title
JPS5483846A (en) Diffusing plate
KR940006195A (ko) 위상쉬프트층을 갖는 포토마스크의 제조방법
ES465428A1 (es) Procedimiento para el ataque quimico de precision de un ma- terial fotosensible.
JPS5595324A (en) Manufacturing method of semiconductor device
JPS57106128A (en) Forming method for pattern
JPS5492061A (en) Micropattern forming method
JPS649618A (en) Pattern formation
JPS5259580A (en) Photo etching method
KR930018661A (ko) 콘택트홀의 형성방법
JPS57204033A (en) Formation of fine pattern
JPS5623746A (en) Manufacture of semiconductor device
JPS6421450A (en) Production of mask
JPS5655950A (en) Photographic etching method
JPS57176040A (en) Preparation of photomask
JPS54106043A (en) Selectively etching method
JPS5610930A (en) Manufacture of semiconductor device
JPS5618429A (en) Minute electrode formation
JPS5618420A (en) Manufacture of semiconductor device
JPS6436027A (en) Method of processing multilayered film
JPS57112018A (en) Correction of pattern
JPS55100552A (en) Photo mask
JPS56107241A (en) Dry etching method
JPS52116172A (en) Exposure method by light beam
JPS5656633A (en) Manufacture of semiconductor element
JPS56167329A (en) Piling joint setting mark to be used in fine processing exposure technology