JPH0455282Y2 - - Google Patents

Info

Publication number
JPH0455282Y2
JPH0455282Y2 JP1988073925U JP7392588U JPH0455282Y2 JP H0455282 Y2 JPH0455282 Y2 JP H0455282Y2 JP 1988073925 U JP1988073925 U JP 1988073925U JP 7392588 U JP7392588 U JP 7392588U JP H0455282 Y2 JPH0455282 Y2 JP H0455282Y2
Authority
JP
Japan
Prior art keywords
diffraction grating
optical diffraction
synthetic resin
flange
optical
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.)
Expired
Application number
JP1988073925U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01177702U (en]
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 filed Critical
Priority to JP1988073925U priority Critical patent/JPH0455282Y2/ja
Publication of JPH01177702U publication Critical patent/JPH01177702U/ja
Application granted granted Critical
Publication of JPH0455282Y2 publication Critical patent/JPH0455282Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
JP1988073925U 1988-06-03 1988-06-03 Expired JPH0455282Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988073925U JPH0455282Y2 (en]) 1988-06-03 1988-06-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988073925U JPH0455282Y2 (en]) 1988-06-03 1988-06-03

Publications (2)

Publication Number Publication Date
JPH01177702U JPH01177702U (en]) 1989-12-19
JPH0455282Y2 true JPH0455282Y2 (en]) 1992-12-25

Family

ID=31299049

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988073925U Expired JPH0455282Y2 (en]) 1988-06-03 1988-06-03

Country Status (1)

Country Link
JP (1) JPH0455282Y2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007261004A (ja) * 2006-03-28 2007-10-11 Konica Minolta Opto Inc 回折光学素子の射出成形金型及び回折光学素子の製造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002090518A (ja) * 2000-09-20 2002-03-27 Olympus Optical Co Ltd 回折光学素子及び回折光学素子の成形用金型

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121602U (ja) * 1983-02-05 1984-08-16 キヤノン株式会社 モ−ルドレンズ
JPS6136701A (ja) * 1984-07-30 1986-02-21 Toshiba Corp 円柱レンズ
JPS6168203U (en]) * 1984-10-09 1986-05-10
JPS62144101A (ja) * 1985-12-19 1987-06-27 Toshiba Corp プラスチツク製光学部品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007261004A (ja) * 2006-03-28 2007-10-11 Konica Minolta Opto Inc 回折光学素子の射出成形金型及び回折光学素子の製造方法

Also Published As

Publication number Publication date
JPH01177702U (en]) 1989-12-19

Similar Documents

Publication Publication Date Title
JPH0336013B2 (en])
JPH04287001A (ja) 光回折格子の製造方法
JPH0455282Y2 (en])
US4161060A (en) Process for the production of a mould for moulding a spectacle frame front
JPH0639880A (ja) 射出成形金型
JP3519860B2 (ja) ホログラム板の製造方法
JP4167422B2 (ja) ディスク状基板材料製造用金型装置及びディスク状基板材料の製造方法
JPS602641B2 (ja) 合成樹脂製防眩ミラ−の製造方法
US6692246B1 (en) Apparatus for uninterrupted multi-layer disc manufacturing
JP4099887B2 (ja) 光学素子の製造方法、並びに光学素子製造用金型
JP3519861B2 (ja) ホログラム素子の製造方法
JP2002074756A5 (en])
JP5076808B2 (ja) 磁気記録媒体用基板
JPH03182311A (ja) 成形金型の製造方法
JP2827820B2 (ja) 球状寸法面を有する射出成形品
JPS6389314A (ja) パンケ−キハブの製造方法
JPS62144101A (ja) プラスチツク製光学部品
JPH03159722A (ja) 光学反射面を有する成形部材の成形方法と成形金型
JPH03199015A (ja) 成形金型の製造方法
JPS6241852B2 (en])
JPH05192944A (ja) 樹脂製レンズアレイとその製造金型および製造方法
JPS62197937A (ja) 光デイスク基板の製造方法
JPH11134712A (ja) 光ディスク及びその光ディスク製造金型
JPH07314497A (ja) ２層成形方法
JPH1040590A (ja) 光記録媒体製造用スタンパー