Hamamatsu Photonics has developed a new pinhole inspection unit that quickly finds tiny pinhole defects in sheet workpieces down to a diameter of only 1 micron.

It quickly finds pinhole defects as small as 1 micron (millionth of a meter or μm hereafter) in diameter in sheet workpieces. This new product can detect tiny pinhole defects only a quarter of the size of pinholes detectable up to now, therefore improving inspection accuracy for tasks such as inspecting pinhole defects in fuel cell separators for fuel cell vehicles and aluminum laminate films for pouch rechargeable batteries. This product is available as a set with a light source unit and a light collector unit optimized for inspecting pinhole defects in sheet workpieces such as large thin metal sheets measuring 480 mm wide by 180 mm deep. Sales begin 2nd March 2020 primarily for domestic and overseas automotive-related manufacturers.

 
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