Excels in High-Difficulty Appearance Inspections Such as Glossy and Transparent Objects

CCS Inc. (Headquarters: Kamigyo-ku, Kyoto; President and CEO: Hiroyuki Onishi) has announced the launch of its "Dual-Axis Phase Shift Illumination," which excels in the high-difficulty detection of defects in glossy and transparent objects.

Conventional inspection lighting has made it difficult to detect defects in objects with gloss or transparency. This is because light reflects off or transmits through the object, causing unwanted reflections or distortions, making it hard to capture the difference between flat surfaces and areas with shape changes, thus hindering defect detection.

CCS Inc. is releasing the LED illumination "Dual-Axis Phase Shift Illumination," which achieves defect detection through a completely new method for these high-difficulty inspections.

This "Dual-Axis Phase Shift Illumination" projects stripe patterns (4 vertical and 4 horizontal patterns) onto the inspection object, capturing a total of 8 images. These images are then processed using the "Phase Shift Method (*1)" to achieve high-difficulty defect detection.

Depending on the inspection speed, the stripe patterns can be switched at high speed (*2). Furthermore, the width and number of stripe patterns, as well as the light-emitting surface size, can be tuned according to the size of the inspection object and the type of defect, allowing for application in various inspections. Additionally, it supports image processing inspections using line scan cameras, not just area cameras.

*1 A method that detects defects by projecting sine wave stripes with a 90-degree phase shift onto the object and using the information calculated from the distortion of these stripes.

*2 The settable lighting speed is up to 500 kHz.

Example System Configuration (When using a line scan camera)

Product Features

1. Capable of lighting control for vertical and horizontal stripe patterns

Our proprietary optical design allows for settings such as the width and number of stripes on the light-emitting surface.

Illumination Image

Vertical Stripe Pattern Horizontal Stripe Pattern

Image of Image Processing Utilizing the "Phase Shift Method"

2. 11 types of light-emitting surface sizes can be selected

By combining light-emitting surface panels, we offer 11 types of light-emitting surface sizes to suit the inspection object and operating environment.

Example of Light-Emitting Surface Size 1

Model Name: LDF-903X122SW-FNDX

Light-Emitting Surface Panels: 8 rows x 1 column

Light-Emitting Surface Size: 903 x 122 mm

Example of Light-Emitting Surface Size 2

Model Name: LDF-455X234SW-FNDX

Light-Emitting Surface Panels: 4 rows x 2 columns

Light-Emitting Surface Size: 455 x 234 mm

About CCS Inc.

Established in Kyoto in 1993 as a manufacturer of LED lighting for inspection, CCS Inc. has been a leading company in inspection LED lighting. We provide proposals based on "Lighting Solutions," a technology that enhances inspection accuracy by developing new lighting and devising ways to use it, to customers in various industries. In recent years, we have been actively proposing a wider range of solutions that address new challenges and requests in the "inspection process" by collaborating with various camera manufacturers, lens manufacturers, and software vendors.

◇For details about CCS Inc., please visit our website. https://www.ccs-inc.co.jp/