JP7366469B1 - レンズ及びその製造方法 - Google Patents

レンズ及びその製造方法 Download PDF

Info

Publication number
JP7366469B1
JP7366469B1 JP2022578841A JP2022578841A JP7366469B1 JP 7366469 B1 JP7366469 B1 JP 7366469B1 JP 2022578841 A JP2022578841 A JP 2022578841A JP 2022578841 A JP2022578841 A JP 2022578841A JP 7366469 B1 JP7366469 B1 JP 7366469B1
Authority
JP
Japan
Prior art keywords
core member
mold
protrusion
gate
lens
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.)
Active
Application number
JP2022578841A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023135850A5 (https=
JPWO2023135850A1 (https=
Inventor
俊允 高岡
祐 櫻井
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.)
Nalux Co Ltd
Original Assignee
Nalux 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 Nalux Co Ltd filed Critical Nalux Co Ltd
Publication of JPWO2023135850A1 publication Critical patent/JPWO2023135850A1/ja
Application granted granted Critical
Publication of JP7366469B1 publication Critical patent/JP7366469B1/ja
Publication of JPWO2023135850A5 publication Critical patent/JPWO2023135850A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP2022578841A 2022-01-14 2022-08-24 レンズ及びその製造方法 Active JP7366469B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263299551P 2022-01-14 2022-01-14
US63/299,551 2022-01-14
PCT/JP2022/031841 WO2023135850A1 (ja) 2022-01-14 2022-08-24 レンズ及びその製造方法

Publications (3)

Publication Number Publication Date
JPWO2023135850A1 JPWO2023135850A1 (https=) 2023-07-20
JP7366469B1 true JP7366469B1 (ja) 2023-10-23
JPWO2023135850A5 JPWO2023135850A5 (https=) 2023-12-12

Family

ID=87278823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022578841A Active JP7366469B1 (ja) 2022-01-14 2022-08-24 レンズ及びその製造方法

Country Status (3)

Country Link
JP (1) JP7366469B1 (https=)
CN (1) CN118318186A (https=)
WO (1) WO2023135850A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217301A (ja) * 1987-03-06 1988-09-09 Hitachi Ltd 複合型レンズ
JPH08190004A (ja) * 1995-01-10 1996-07-23 Nisshin Koki Kk 複合光学レンズ
US20210154957A1 (en) * 2019-11-26 2021-05-27 Alcon Inc. Method for producing contact lenses
JP2021151719A (ja) * 2020-03-24 2021-09-30 スタンレー電気株式会社 レンズの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217301A (ja) * 1987-03-06 1988-09-09 Hitachi Ltd 複合型レンズ
JPH08190004A (ja) * 1995-01-10 1996-07-23 Nisshin Koki Kk 複合光学レンズ
US20210154957A1 (en) * 2019-11-26 2021-05-27 Alcon Inc. Method for producing contact lenses
JP2021151719A (ja) * 2020-03-24 2021-09-30 スタンレー電気株式会社 レンズの製造方法

Also Published As

Publication number Publication date
WO2023135850A1 (ja) 2023-07-20
JPWO2023135850A1 (https=) 2023-07-20
CN118318186A (zh) 2024-07-09

Similar Documents

Publication Publication Date Title
CN103358490B (zh) 模制制品制造方法、模具和包括菲涅尔透镜的光学元件
US8184386B2 (en) Fresnel lens and injection mold
JP7366469B1 (ja) レンズ及びその製造方法
JP5326276B2 (ja) プラスチックレンズの成型用金型、プラスチックレンズ、及びこれを具備する光走査装置、画像形成装置
JP2017042983A (ja) 樹脂成形品と成形用金型
CN104647704A (zh) 用于形成透镜的模具装置
US20200171726A1 (en) Injection molding die
JP2006281765A (ja) 光学素子の表面精度改善方法及びその装置
KR100773813B1 (ko) 플라스틱 렌즈 및 그 제조 방법과 제조 장치
TW201520024A (zh) 用以形成透鏡的模具、透鏡及透鏡的製造方法
JP7163096B2 (ja) 多層成形レンズ
JP6587392B2 (ja) 遮光部材の製造装置、遮光部材の製造方法、および画像形成装置の製造方法
JP2004042469A (ja) プラスチック成形品及びこれの製造方法及びこれに使用する金型及びこのプラスチックス成形品を用いた光走査ユニット
JP4026007B2 (ja) レーザ光透過部材の製造方法、樹脂成形装置並びに複合樹脂製品の製造方法
CA3017296C (en) Injection mold, injection molding method, and molded article
JP5760555B2 (ja) アパーチャアレイの製造装置及び製造方法
KR100852788B1 (ko) 금형조립체의 웰드라인 방지구조
WO2017002676A1 (ja) 合成樹脂発泡成形型、当該成形型を用いた合成樹脂発泡成形品の製造方法及び当該製造方法によって成形された合成樹脂発泡成形品
JP2024128438A (ja) 成形型および成形型の製造方法
JP5687523B2 (ja) 樹脂成型品及び表示装置
JP5885559B2 (ja) 射出成形装置
JP2024161974A (ja) 樹脂構造体および樹脂構造体の製造方法
KR101966018B1 (ko) 게이트편과 커팅밀핀을 가지는 금형 및 이를 이용한 제품 제조 방법
JPH07227882A (ja) 射出成形金型および射出成形方法
JPH056096Y2 (https=)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221220

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221220

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20221220

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230403

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230501

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230705

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230727

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230928

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231003

R150 Certificate of patent or registration of utility model

Ref document number: 7366469

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150