Lighting Imaging Examples for the Semiconductor Components Industry
- Inspection on electrodes of electronic chip parts
- Inspection on a button cell battery
- Imaging text on circuit boards
- Imaging text on electronics parts in embossed tapes
- Imaging soldering parts on the cap of light bulbs
- Imaging the appearance of PC memory boards
- Imaging the appearance of electronic components
- Imaging the appearance of connector pins
- Imaging the appearance of electronic components (regulator)
- Imaging the appearance of capacitors
- Imaging characters on button cell batteries
- Imaging through-holes on circuit boards
- Imaging button cell batteries
- Imaging of the appearance and dimensions of capacitors
- Imaging adhesive on an imaging sensor substrate
- Imaging patterns on wafers
Inspection on electrodes of electronic chip parts

It is difficult to inspect the electrode part using a bar light.
A ring light can illuminate the electrode part evenly

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | Electronic parts |
| Before | LED bar light |
| After | LDR2-32RD2 |
| Result | Improvement in uniformity |
Lights used for the imaging
-

Ring light LDR2-32RD2
- Standard ring light
- Greatly reducing LED heat
- High density LEDs illuminate the center part with direct light
LDR2 Series is available in different shapes and wavelengths.
For more details, please contact us.
Inspection on a button cell battery

It is difficult to inspect the external shape and a scratch on the surface.
It is possible to clearly inspect the external shape and a scratch on the surface.

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | Button cell battery |
| Before | LED Ring light |
| After | LDR-75RD2-LA1 |
| Result | Damage detection |
Lights used for the imaging
-

Low-angle ring light LDR-75RD2-LA1
- LEDs are mounted horizontally in a ring shape
- Illuminate from the distance close to a workpiece
- Thin design of 10 mm
LDR-LA1 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging text on circuit boards

It is difficult to inspect the surface status with coaxial illumination.
Can image the text on the circuit board, the text on the chip, and the solder plating.
Lights used for the imaging
-

Ring light SQR-TP-34RD
- Rings of bullet-shaped LEDs are mounted on a square case
- Illuminate direct light at a low angle from an angled emitting part
SQR Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging text on electronics parts in embossed tapes

Stable inspection is difficult due to surface reflection.
Surface reflection is reduced and the text can be imaged.

| Type of inspection | Text inspection |
|---|---|
| Workpiece | Electronics parts in embossed tapes |
| Before | LED Ring light |
| After | HPR2-75RD |
| Result | Improvement in uniformity |
Lights used for the imaging
-

Ring light HPR2-75RD
- High-output and uniform diffused light
- Supports a wide range of applications from low angles to high angles
- Full color (RGB) type is available
HPR2 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging soldering parts on the cap of light bulbs

It is difficult to evenly illuminate the whole solder.
It is possible to evenly illuminate the whole solder including the cap.

Lights used for the imaging
-

Ring light LKR-125SW2
- Embedded LEDs around a circular light-guiding polarizing plate
- Uniform diffused light at an angle to the workpiece illuminated from a flat emitting surface
LKR Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging the appearance of PC memory boards

It is difficult to evenly illuminate and capture the appearance of the memory boards.
It is possible to evenly illuminate and capture the appearance of the memory boards.

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | PC memory boards |
| Before | FPQ2-120SW |
| After | FPQ3-100X50SW |
| Result | Improvement in uniformity |
Lights used for the imaging
-

Low-angle square light FPQ3-100X50SW
- Provides diffused light at a low angle from four directions
- Effective for quadrangular workpieces (Detection of contours at four corners while preventing reflection)
- 3 colors are available in 8 sizes (24 standard models in total)
FPQ3 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging the appearance of electronic components

Illuminating from a low angle allows you to observe the engraved characters.
Illuminating from above and at a low angle allows to observe the characters and blots.

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | Electronic components |
| Before | Without a reflection plate |
| After | With a reflection plate |
| Result | Improved uniformity |
Lights used for the imaging
-

Low-angle square light FPQ3 Series
- Provides diffused light at a low angle from four directions
- Effective for quadrangular workpieces (Detection of contours at four corners while preventing reflection)
- 3 colors are available in 8 sizes (24 standard models in total)
FPQ3 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging the appearance of connector pins

Illumination from the front of the workpiece allows you to observe the surface state of the connector.
Illumination using a diffusion plate from behind the workpiece allows you to observe the appearance of the connector.
Lights used for the imaging
-

Bar light LDL2-74X30SW2-WD
- Bar light that uses surface-mounted LEDs
- Rich lineup with 144 models
- Freely adjust the illuminating direction and angle
LDL2 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging the appearance of electronic components (regulator)

It is difficult to clearly image the workpiece.
The appearance of the resin part and pins are clearly imaged.

Lights used for the imaging
-

Flat light TH2-63X60SW
- Achieved further-higher luminance
- Rich product lineup
- Install freely to match your environment
TH2 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging the appearance of capacitors

Hairline finishing on the surface makes it difficult to read the printed text
The hairline finishing is no longer visible, making it possible to read the printed text.

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | Electronic parts (capacitors) |
| Before | LED diffusion ring light |
| After | LFXV-25RD |
| Result | Improvement in uniformity |
Lights used for the imaging
-

Flat dome light LFXV-25RD
- Recreates the effect of dome lights using thin case design
- Bright and clear field of view using new light-guiding plate
- Reduces image irregularities and moire due to the surface dot pattern
LFXV Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging characters on button cell batteries

The textured surface makes it impossible to read the printed characters.
Effects from the textured surface are suppressed so that the characters stand out clearly.

| Type of inspection | Character recognition |
|---|---|
| Workpiece | Button cell batteries |
| Before | LED dome light |
| After | LFX3-100RD |
| Result | Emphasizes the characters |
Lights used for the imaging
-

Flat dome light LFX3-100RD
- Recreates the effect of a dome light with a thin case design
- High output for high-speed inspections
- 28 models in total (7 sizes in 4 colors)
LFX3 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging through-holes on circuit boards

With a ring light, it is difficult to form an image of the difference between the foundation and the through hole.
It is possible to form a clear image of the difference between the foundation and the through hole.

| Type of inspection | Visual inspection |
|---|---|
| Workpiece | Circuit boards |
| Before | LED Ring light |
| After | LFV3-100RD(A) |
| Result | Improvement in uniformity |
Lights used for the imaging
-

Coaxial light LFV3-100RD(A)
- Supports high-resolution cameras
- Provides diffused light evenly from the same axis as the camera
- Freely customize the diffusion
LFV3 Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging button cell batteries

With the coaxial light, it is possible to reduce surface reflection and form an image of the engraved text.
Not only is the image of the engraved text more clear than with the coaxial light, fine differences in the surface can also be imaged.
Lights used for the imaging
-

Coaxial light MSU-30X20RD2
- Provides light with high parallelism using original lighting technology
- Suitable for extracting minute scratches, dents and depressions on glossy surfaces
MSU Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging of the appearance and dimensions of capacitors

The light wraps around the side of the capacitor body.
The light wrapping around is prevented and the thickness of the wires is also imaged evenly.
Lights used for the imaging
-

Coaxial light MFU-34X-BL
- Provides light with high parallelism using original lighting technology
- Light convergence can be adjusted according to the lens on the imaging side.
- Suitable for precise inspections of dimensions and damage/wrinkles
MFU Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging adhesive on an imaging sensor substrate

It is difficult to capture the adhesive with white LED light
With UV light, the adhesive can be observed because of emitted fluorescent light.
Lights used for the imaging
-

UV light LDL-138X12UV3-365-W
- Increased brightness (Approx. 2x of UV2 Series)
- Overdrive available for faster inspection
- Suitable for various applications such as fluorescence observation, adhesive coating inspection, and deep penetration scratch inspection
LDL Series is available in different shapes and wavelengths.
For more details, please contact us.
Imaging patterns on wafers
It is difficult to inspect contaminants.
Enables observation by transmission.
Lights used for the imaging
-

Infrared light IR Series (over 1,000 nm type)
- It is possible to observe features that cannot be imaged with visible light.
- Lineup of 6 types of wavelengths
IR Series is available in different shapes and wavelengths.
For more details, please contact us.
MACHINE VISION LIGHTING SELECTION GUIDE
"We want to achieve stable and reliable image inspection."
"We're not sure what kind of imaging is possible."
"We don't know how to choose the right lighting."
If these challenges sound familiar, this guide is for you.
We've prepared a guide that clearly explains the fundamentals of machine vision inspection and lighting selection.
Whether you're new to machine vision or looking to strengthen your knowledge, this guide covers the essential points in an easy-to-understand format.
Learn why there are so many different types of machine vision lighting, why selecting the right lighting is critical to inspection performance, and how lighting affects imaging results.
The guide includes illustrations and real imaging examples to help you understand the concepts.
Download your free copy using the form.








