Developer's Aside
Blind spots in lighting selection

What is the most important aspect of lighting selection? High contrast of defects? No, it is not. The image should be similar when the same object is imaged. Good products should have similar images. It is often the case that the contrast of defects is forced to be high [...].

Read more
Developer's Aside
False Sampachi

When I visited one of our clients the other day, I heard the term "false sampachi". He said it is "a figure without any basis to put in for the time being" when he is worried. Come to think of it, "inspection specifications" often include things like "±0.03mm" ( [...]).

Read more
Developer's Aside
The last sentence of the inspection specifications

Most inspection equipment is probably built based on inspection specifications submitted by the user. However, at the end of the inspection specifications is a sentence that reads, "No other defects. After all, what the inspection equipment must look for is "all [...]".

Read more
Developer's Aside
What is important in quality inspection

Here is a part. Compared to other parts, the part is obviously bent. However, the amount of deformation is within the range of a good product according to the standard value. What would you think if you received the part? What is a "standard value" in the first place? Good [...].

Read more
Developer's Aside
Omron and MVTec Form Alliance

The above article appeared on the front page of today's Nikkan Kogyo Shimbun. I think this is the first big topic in a while in this industry, which has been a bit stagnant. OMRON is one of the top two companies in the "image sensor" industry, along with Keyence. On the other hand, MVTec is a "custom [...]...

Read more
Developer's Aside
Flexinspector's power in the know

Today, a person from an imaging-related company asked me if he could see what the FlexInspector was all about. I gave him an overview of the system (an inspection stage with automatic X-axis and manual Y-axis), which was just being adjusted before shipment. The image [...].

Read more
Developer's Aside
Surprisingly large variation in objects

We receive and test a variety of samples, and we find that there is quite a large variation in the quality of the samples. For example, 0.1% distortion is 1 pixel distortion per 1000 pixels. 1 million pixel camera is 1000 x 1000 pixels, so 0.1% distortion is 1 pixel distortion [...].

Read more
Developer's Aside
XC-HR90

This camera is very cost-effective, but it is a jajama. It is very difficult to use. Symptoms that are currently plaguing me. The first image taken after a certain period of time is extremely dark. The gain at fixed gain is too high, or the image has a strong roughness to it. [...].

Read more
Developer's Aside
Read camera industry trends on your own.

Having actually used a variety of cameras, I can say that whether a change in camera or connection method makes a big difference in inspection results is a negative. I think it must be difficult for camera manufacturers to differentiate their products. I always think that in [...].

Read more
Developer's Aside
Dimensional Measurement

Occasionally we are asked the question, "Can I take dimensional measurements with FlexInspector?" We have a simple feature, but in most cases the answer is "No". In most cases, the answer is "No", although it has a simple function. This may be a matter of philosophy.

Read more