JPH0448501U - - Google Patents

Info

Publication number
JPH0448501U
JPH0448501U JP9078390U JP9078390U JPH0448501U JP H0448501 U JPH0448501 U JP H0448501U JP 9078390 U JP9078390 U JP 9078390U JP 9078390 U JP9078390 U JP 9078390U JP H0448501 U JPH0448501 U JP H0448501U
Authority
JP
Japan
Prior art keywords
cylindrical lens
recess
outer circumferential
circumferential wall
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.)
Pending
Application number
JP9078390U
Other languages
English (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 JP9078390U priority Critical patent/JPH0448501U/ja
Publication of JPH0448501U publication Critical patent/JPH0448501U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Surface Treatment Of Optical Elements (AREA)

Description

【図面の簡単な説明】
第1図は本考案の円柱状レンズの正面図、第2
図aはその円柱状レンズを保持具により保持した
状態を示す斜視図、同図bは同図aのA−A断面
図、第3図従来の円柱状レンズの正面図、第4図
aはその円柱状レンズを保持具により保持した状
態を示す斜視図、同図bは同図aのB−B断面図
である。 10……円柱状レンズ、11……外周壁、12
……レンズ面、13……凹部、14……反射防止
膜、15……保持具。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外周壁とレンズ面を備えた円柱状レンズであつ
    て、外周壁の中央部に凹部を有し、該凹部により
    円柱状レンズを保持してレンズ面に反射防止膜を
    作製してなる円柱状レンズ。
JP9078390U 1990-08-29 1990-08-29 Pending JPH0448501U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9078390U JPH0448501U (ja) 1990-08-29 1990-08-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9078390U JPH0448501U (ja) 1990-08-29 1990-08-29

Publications (1)

Publication Number Publication Date
JPH0448501U true JPH0448501U (ja) 1992-04-24

Family

ID=31825807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9078390U Pending JPH0448501U (ja) 1990-08-29 1990-08-29

Country Status (1)

Country Link
JP (1) JPH0448501U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166002A (ja) * 1987-12-22 1989-06-29 Matsushita Electric Ind Co Ltd 反射防止膜の形成方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166002A (ja) * 1987-12-22 1989-06-29 Matsushita Electric Ind Co Ltd 反射防止膜の形成方法

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