Paper thickness gauge, illustration. This device uses a radioactive source to monitor the thickness of paper during manufacture. The source emits beta radiation, which is absorbed by the paper relatively easily. By measuring the proportion of radioactive particles that goes through the paper, it is possible to accurately calculate its thickness. The source of radiation is a radioisotope of promethium, krypton or strontium.

px px dpi = cm x cm = MB
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Creative#:

TOP26152460

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

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