With the popularization of touch-screen mobile phones, manufacturers keep searching
for effective technology upgrade approaches, hoping to stand out in the
intensive market competition by virtue of the latest technology and best
quality. As one of the most important parts of touch screen, increasingly
strict requirements are proposed for manufacturing and inspection of plane
dimensions, flatness and other geometric quantities for mobile phone panel.
To ensure qualification rate of relevant dimensions during production and
manufacturing, it is necessary to ensure fast and stable operation of
measurement equipment and precise measurement data. The function of plane
measurement with high precision and efficiency developed by TZTEK can collect
thousands of spots on surface of mobile panel by adding laser accessories,
which has greatly facilitated high-precision and high-efficiency flat dimension
Flatness, R angle, geometric dimension, touch control conducting particles.
Traditional focusing measurement mode is applied to measure flatness, with low
speed and poor precision.
Difficulty to capture in R angle measurement, with low repeatability.
The circuits and conducting particles are extremely small in touch screen, and
ordinary lens can hardly capture images.
It frequently requires whole inspection, and equipment activation is low.
Automatic projector is added with laser to measure flatness, with the precision
reaching up to 3μm, and its measurement speed is at least 5 times of image
Vispec software provides the function of "R angle" measurement, which
can automatically identify R angle tangent point, capture R angle of the
maximum arc, to achieve high repeatability and intelligent extraction.
It can automatically measure multiple products in batches.