JPS616615A - 屈折率分布型レンズ - Google Patents

屈折率分布型レンズ

Info

Publication number
JPS616615A
JPS616615A JP12673684A JP12673684A JPS616615A JP S616615 A JPS616615 A JP S616615A JP 12673684 A JP12673684 A JP 12673684A JP 12673684 A JP12673684 A JP 12673684A JP S616615 A JPS616615 A JP S616615A
Authority
JP
Japan
Prior art keywords
refractive index
lens
end surface
optical axis
spherical
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
JP12673684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH043850B2 (ru
Inventor
Yuji Ueno
裕司 上野
Hisami Nishi
壽巳 西
Minoru Toyama
遠山　実
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP12673684A priority Critical patent/JPS616615A/ja
Publication of JPS616615A publication Critical patent/JPS616615A/ja
Publication of JPH043850B2 publication Critical patent/JPH043850B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
JP12673684A 1984-06-20 1984-06-20 屈折率分布型レンズ Granted JPS616615A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12673684A JPS616615A (ja) 1984-06-20 1984-06-20 屈折率分布型レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12673684A JPS616615A (ja) 1984-06-20 1984-06-20 屈折率分布型レンズ

Publications (2)

Publication Number Publication Date
JPS616615A true JPS616615A (ja) 1986-01-13
JPH043850B2 JPH043850B2 (ru) 1992-01-24

Family

ID=14942620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12673684A Granted JPS616615A (ja) 1984-06-20 1984-06-20 屈折率分布型レンズ

Country Status (1)

Country Link
JP (1) JPS616615A (ru)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170015086A (ko) 2014-06-04 2017-02-08 히타치가세이가부시끼가이샤 필름형 에폭시 수지 조성물, 필름형 에폭시 수지 조성물의 제조 방법, 및 반도체 장치의 제조 방법
KR20170113571A (ko) 2015-02-03 2017-10-12 히타치가세이가부시끼가이샤 에폭시 수지 조성물, 필름형 에폭시 수지 조성물, 경화물 및 전자 장치
KR20190010560A (ko) 2016-05-25 2019-01-30 히타치가세이가부시끼가이샤 봉지 구조체 및 그의 제조 방법, 및 봉지재
KR20190132401A (ko) 2017-03-31 2019-11-27 히타치가세이가부시끼가이샤 봉지 필름, 전자 부품 장치의 제조 방법 및 전자 부품 장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170015086A (ko) 2014-06-04 2017-02-08 히타치가세이가부시끼가이샤 필름형 에폭시 수지 조성물, 필름형 에폭시 수지 조성물의 제조 방법, 및 반도체 장치의 제조 방법
KR20170113571A (ko) 2015-02-03 2017-10-12 히타치가세이가부시끼가이샤 에폭시 수지 조성물, 필름형 에폭시 수지 조성물, 경화물 및 전자 장치
KR20190010560A (ko) 2016-05-25 2019-01-30 히타치가세이가부시끼가이샤 봉지 구조체 및 그의 제조 방법, 및 봉지재
KR20190132401A (ko) 2017-03-31 2019-11-27 히타치가세이가부시끼가이샤 봉지 필름, 전자 부품 장치의 제조 방법 및 전자 부품 장치

Also Published As

Publication number Publication date
JPH043850B2 (ru) 1992-01-24

Similar Documents

Publication Publication Date Title
US4103989A (en) Unit-power concentric optical systems
JPH01305587A (ja) 半導体レーザー光源装置
US4950041A (en) Lens systems comprising plastic and liquid lens elements
JPS62119512A (ja) 光デイスク用レンズ
US5682263A (en) Broad-band ultraviolet lens systems well-corrected for chromatic aberration
JPS616615A (ja) 屈折率分布型レンズ
US4572623A (en) Objective lens for optical disc
JPS61194416A (ja) 屈折率分布型レンズ
JPH02269303A (ja) 光ディスク用色収差補正レンズ
EP0156453B1 (en) Lens for an optical recording/reproducing apparatus
JPH0638130B2 (ja) 屈折率分布型レンズ
US4668055A (en) Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same
JPS61277913A (ja) 結像レンズ
JPH0359407B2 (ru)
JPH02101416A (ja) 光メモリ装置用対物レンズ
US4964703A (en) Image-forming lens
US4693565A (en) Collimator lens
US5087990A (en) Collimator lens of erasable and re-recordable magneto-optical disk system
US4643535A (en) Optical information recording/reproducing element
RU2017178C1 (ru) Монохроматический объектив
JPH01161308A (ja) 光学式記録再生装置用レンズ
JPH01244421A (ja) アナモフィック単レンズと光ディスク装置
JP2511275B2 (ja) 光情報媒体の記録・再生用光学系
JPH0576606B2 (ru)
JPH07111513B2 (ja) コリメ−ト光学系

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term