Developer's Aside
Lighting conditions

IF IT IS A VISUAL INSPECTION, THE BASIC IDEA WOULD BE TO INSPECT WITH SCATTERED LIGHT. WHEN WE ASK UNDER WHAT CONDITIONS PEOPLE ARE CONCERNED ABOUT THE APPEARANCE OF AN OBJECT, IT IS USUALLY IN THE PRESENCE OF NATURAL LIGHT (SCATTERED LIGHT). OF COURSE, IN A DARK PLACE, THE APPEARANCE DOES NOT BOTHER US. IN OTHER WORDS, NG IS [...].

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Developer's Aside
Use the same lighting conditions as when a person inspects.

The appropriate lighting conditions will vary depending on the application, and the choice of lighting is difficult to make unless you are experienced. As I have mentioned many times in this blog, the basic idea is to use the same lighting conditions as those used for human inspection. The viewer [...].

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Developer's Aside
Wavelengths of Light, Part 2

In the last issue we discussed lighting in general terms. We have been experimenting with various wavelengths of lighting. In terms of visible light, we have tried red, green, blue, white, etc. We have also tried ultraviolet light, and in terms of visible light, we have tried red, green, blue, white, etc. The conclusion we have reached is that white light is basically the way to go. Of course, it's not as easy as it looks [...].

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Developer's Aside
Wavelengths of Light Part 1

This is a general discussion of light wavelengths. Sunlight is white, so it can be divided into long and short wavelengths, and even within white it contains many different kinds of light. You can separate the colors through a prism, but red light, which has a longer wavelength, is not refracted as much and is scattered to a lesser degree [...].

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Developer's Aside
Solder or solder leakage inspection

When soldering or brazing by hand, the shape is often unstable. I had a theme of visual inspection to see if the soldering was actually done properly, so I tested the work sample. As I expected, there was a large variation [...].

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Developer's Aside
Industries where robots can be utilized

The other day, I was talking with the president of a company that deals with deburring and polishing robots, and he mentioned several similarities with the visual inspection industry we are in. What he meant was: 1) Basically, they are trying to use robots to replace work that can be done by humans [...].

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Developer's Aside
Inspections are speedy

The other day, I had the opportunity to talk with a manager of a contract visual inspection company. He told me that the first step in training inspectors is to get their eyes accustomed to the high speed at which good products are being produced. As they do this, they learn to adjust their eyes, body movements, and awareness [...].

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Developer's Aside
Happy New Year 2017!

Finally, we are off to a great start in 2017. I would like to take this opportunity to thank you all for your continued support this year! To sum up last year, the economic environment was not so good, and we felt that our budget for capital investment, especially for visual inspection, was limited [...]...

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Developer's Aside
google automatic driving withdrawal

Google, the world's earliest company to start self-driving cars, seems to have pulled out of their development. If you go to Google searchand type in "google auto" you will find several related news items. As we have been saying for some time, the image [...].

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Developer's Aside
FROM HALCON 6.0

HALCON, the world's best machine vision system construction tool, was developed by MVTec of Germany and is distributed in Japan by Links, Inc. This HALCON continues to evolve and on November 1 (2016), the latest version "13.0" will be released.

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