JPS60114834A - 焦点板の製造方法 - Google Patents

焦点板の製造方法

Info

Publication number
JPS60114834A
JPS60114834A JP22276183A JP22276183A JPS60114834A JP S60114834 A JPS60114834 A JP S60114834A JP 22276183 A JP22276183 A JP 22276183A JP 22276183 A JP22276183 A JP 22276183A JP S60114834 A JPS60114834 A JP S60114834A
Authority
JP
Japan
Prior art keywords
pyramid
lens
relief
electroplating
reticle
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
JP22276183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH037924B2 (enrdf_load_stackoverflow
Inventor
Kenji Hayashi
賢二 林
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP22276183A priority Critical patent/JPS60114834A/ja
Priority to DE19843442781 priority patent/DE3442781A1/de
Publication of JPS60114834A publication Critical patent/JPS60114834A/ja
Priority to US06/943,833 priority patent/US4851164A/en
Publication of JPH037924B2 publication Critical patent/JPH037924B2/ja
Priority to US07/758,346 priority patent/US5696630A/en
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18Focusing aids
    • G03B13/24Focusing screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
JP22276183A 1983-11-26 1983-11-26 焦点板の製造方法 Granted JPS60114834A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP22276183A JPS60114834A (ja) 1983-11-26 1983-11-26 焦点板の製造方法
DE19843442781 DE3442781A1 (de) 1983-11-26 1984-11-23 Bildplatte und verfahren zu ihrer herstellung
US06/943,833 US4851164A (en) 1983-11-26 1986-12-17 Method of manufacturing focal plates
US07/758,346 US5696630A (en) 1983-11-26 1991-09-09 Focal plates and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22276183A JPS60114834A (ja) 1983-11-26 1983-11-26 焦点板の製造方法

Publications (2)

Publication Number Publication Date
JPS60114834A true JPS60114834A (ja) 1985-06-21
JPH037924B2 JPH037924B2 (enrdf_load_stackoverflow) 1991-02-04

Family

ID=16787485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22276183A Granted JPS60114834A (ja) 1983-11-26 1983-11-26 焦点板の製造方法

Country Status (1)

Country Link
JP (1) JPS60114834A (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227634A (en) * 1975-08-27 1977-03-02 Minolta Camera Co Ltd Focus plate
JPS5550228A (en) * 1978-10-06 1980-04-11 Ricoh Co Ltd Focus plate
JPS5713401A (en) * 1980-06-27 1982-01-23 Canon Inc Diffusing plate
JPS5860642A (ja) * 1981-10-01 1983-04-11 Nippon Kogaku Kk <Nikon> 焦点板の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227634A (en) * 1975-08-27 1977-03-02 Minolta Camera Co Ltd Focus plate
JPS5550228A (en) * 1978-10-06 1980-04-11 Ricoh Co Ltd Focus plate
JPS5713401A (en) * 1980-06-27 1982-01-23 Canon Inc Diffusing plate
JPS5860642A (ja) * 1981-10-01 1983-04-11 Nippon Kogaku Kk <Nikon> 焦点板の製造方法

Also Published As

Publication number Publication date
JPH037924B2 (enrdf_load_stackoverflow) 1991-02-04

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