JPH0378207U - - Google Patents

Info

Publication number
JPH0378207U
JPH0378207U JP13878389U JP13878389U JPH0378207U JP H0378207 U JPH0378207 U JP H0378207U JP 13878389 U JP13878389 U JP 13878389U JP 13878389 U JP13878389 U JP 13878389U JP H0378207 U JPH0378207 U JP H0378207U
Authority
JP
Japan
Prior art keywords
temperature
rotating shaft
film thickness
measuring device
axial direction
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
JP13878389U
Other languages
English (en)
Other versions
JP2524797Y2 (ja
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 JP1989138783U priority Critical patent/JP2524797Y2/ja
Publication of JPH0378207U publication Critical patent/JPH0378207U/ja
Application granted granted Critical
Publication of JP2524797Y2 publication Critical patent/JP2524797Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案の1実施例を示すレーザ光線を
利用した膜厚測定装置の測定部詳細図、第2図は
従来のレーザ光線を利用した膜厚測定装置の概略
構成図、第3図は同装置の測定部詳細図である。 図の主要部分の説明、20……押出成形ライン
に組み込まれた膜厚測定装置、21……ロール、
23……シート、24……レーザ光線、25……
ジヤケツト内を循環する液体、26……温調装置

Claims (1)

    【実用新案登録請求の範囲】
  1. 連続走行するプラスチツクシート又はフイルム
    を測定部に配置された回転軸表面に接触させつつ
    レーザ光を利用してその厚さを測定する膜厚測定
    装置において、前記回転軸の温度が軸方向で均等
    になるよう制御する温度調整装置を設け、回転軸
    の軸方向温度差による径変化をなくすことを特徴
    とする膜厚測定装置。
JP1989138783U 1989-11-30 1989-11-30 膜厚測定装置 Expired - Lifetime JP2524797Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989138783U JP2524797Y2 (ja) 1989-11-30 1989-11-30 膜厚測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989138783U JP2524797Y2 (ja) 1989-11-30 1989-11-30 膜厚測定装置

Publications (2)

Publication Number Publication Date
JPH0378207U true JPH0378207U (ja) 1991-08-07
JP2524797Y2 JP2524797Y2 (ja) 1997-02-05

Family

ID=31685861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989138783U Expired - Lifetime JP2524797Y2 (ja) 1989-11-30 1989-11-30 膜厚測定装置

Country Status (1)

Country Link
JP (1) JP2524797Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024090804A1 (ko) * 2022-10-27 2024-05-02 주식회사 엘지화학 필름 온도 및 두께 측정 장치 및 이를 이용한 측정 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103207U (ja) * 1982-12-27 1984-07-11 株式会社東芝 光電式走間幅計
JPS6184508A (ja) * 1984-10-02 1986-04-30 Mitsubishi Electric Corp 絶縁膜の膜質評価装置
JPS6234005A (ja) * 1985-08-06 1987-02-14 Mitsubishi Electric Corp 膜厚測定装置
JPS62255806A (ja) * 1986-04-29 1987-11-07 Mitsubishi Electric Corp 膜厚測定方法及び装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103207U (ja) * 1982-12-27 1984-07-11 株式会社東芝 光電式走間幅計
JPS6184508A (ja) * 1984-10-02 1986-04-30 Mitsubishi Electric Corp 絶縁膜の膜質評価装置
JPS6234005A (ja) * 1985-08-06 1987-02-14 Mitsubishi Electric Corp 膜厚測定装置
JPS62255806A (ja) * 1986-04-29 1987-11-07 Mitsubishi Electric Corp 膜厚測定方法及び装置

Also Published As

Publication number Publication date
JP2524797Y2 (ja) 1997-02-05

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