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Visual inspection Product List

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Visual inspection

There is a request for sorting products with appearance defects (discoloration, missing parts, scratches), etc.

In visual inspection, the examination is conducted with the naked eye without the use of lenses such as magnifying glasses or microscopes. The main products include screws, nuts, rubber, and resin molded items, and there are requests for sorting these products based on external defects (discoloration, missing parts, scratches). Since the inspection is done with the naked eye, the eyesight of the inspectors is a significant factor. Our company conducts vision tests, and inspectors with uncorrected or corrected vision of 0.7 or higher are engaged in the inspections. [Features] ■ Inspection with the naked eye without lenses ■ Inspectors with uncorrected or corrected vision of 0.7 or higher are involved in the inspections *For more details, please refer to the PDF document or feel free to contact us.

  • Visual Inspection Equipment
  • Contract Inspection

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Magnifying glass appearance inspection

We conduct inspections for defects and cracks in the outer areas that cannot be detected visually.

In magnifying glass inspections, we conduct examinations using 2x and 4x lenses. The main products include printed circuit boards and ceramic products. We inspect for chipping and cracks on the outer edges of these products, which cannot be detected by the naked eye. Additionally, we also accommodate inspections for products that are too large to be examined visually and would take too much time. 【Features】 ■ Inspections using 2x and 4x lenses ■ Inspection of chipping and cracks on the outer edges that cannot be detected by the naked eye ■ Inspections for products that take too much time due to their dimensions *For more details, please refer to the PDF document or feel free to contact us.

  • Visual Inspection Equipment
  • Contract Inspection

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Tray packing service

Only inspectors who meet certain standards are engaged in the tray packing work.

The "Tray Packing Service" is a service associated with inspection. It is also possible to handle tray packing only. After the inspection is completed, only compliant products are packed into trays. Since there are many very small products, the work involved in the inspection process may lead to defects, so only inspectors who meet certain standards are assigned to the tray packing work. The products targeted include ceramic items, ultra-small plastic lenses, and SiC (silicon carbide), among others. 【Features】 ■ Tray packing only is possible ■ Only inspectors who meet certain standards perform the work ■ Target products include ceramic items, ultra-small plastic lenses, SiC, etc. *For more details, please refer to the PDF document or feel free to contact us.

  • Other services

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Microscopic appearance inspection

We handle products with a minimum size of 350μm and detect defects below 100μm, which are difficult to detect.

In microscopic examination, we conduct tests using three types of microscopes: those with magnifications of 8x to 50x, up to 80x, and up to 300x. The size of the products being tested ranges from a minimum of 350μm, and we detect defects below 100μm, which are difficult to identify without a microscope. Obtaining certification for special product microscopic inspection is very challenging, and only 30% of our staff have achieved this high level of expertise. 【Features】 ■ The main products include plastic products (such as mobile camera lenses and battery covers), ceramic products, SiC products, and etched products. ■ The detected defects include scratches, discoloration, bubbles, missing parts, etching residues, and metallization residues. ■ Due to the complexity of handling, inspectors with special qualifications in microscopic inspection are engaged in this work. *For more details, please refer to the PDF document or feel free to contact us.

  • Visual Inspection Equipment
  • Contract Inspection

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