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Large ingot diameter measuring equipment in small puller

IP.com Disclosure Number: IPCOM000190366D
Publication Date: 2009-Nov-25
Document File: 4 page(s) / 643K

Publishing Venue

The IP.com Prior Art Database

Related People

Shinichi Kyufu: AUTHOR

Abstract

In the case of large diameter ingot pulling by using small puller it is diffucult to measure the diameter because of small view point. The measuring of the radius is described by angled pedestal of the eyepiece lens and calculate two times of radius in the case of large diameter ingot pulling by small puller.

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Large ingot diameter measuring equipment in small puller

小型引上

小型引上小型引上

小型引上げ

げげ

げ炉炉炉

炉でのでのでの

での大口径

大口径大口径

大口径インゴット

インゴットインゴット

インゴット直径測定装置

直径測定装置直径測定装置

直径測定装置

Shinichi Kyufu

久府 真一

Siltronic Japan Corporation

シルトロニック・ジャパン株式会社

Summary

   Measuring the radius by angled pedestal of the eyepiece lens and calculate two times of radius in the case of large diameter ingot pulling by small puller.

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