smartphone·
Tablet·
Laptop
Smartphone/Tablet/Laptop
Coating processes play many important roles in electronic device manufacturing, such as bonding materials, insulating, adding functionality, and improving appearance, and are essential elements for improving product quality, reliability, and functionality.
High-performance coating technology enables stable coating over long periods of time.
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Smartphone
- Line application of silicone resin to flexible substrate
- Applying a small amount of two-component adhesive to the speaker
- Applying a small amount of resin to the touch panel
- Apply a small amount of sealant to the edge of the glass
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Camera
- Applying a minute amount of UV silicone resin to the camera module
- Applying a small amount of UV adhesive to the cover glass of the image sensor
problem
Smartphones use denser electronic components and smaller circuits, and these components have much tighter device spacing and junctions. Existing equipment was unable to uniformly apply fine lines, which affected the stability of product quality.
Benefits
The introduction of positive displacement dispensers has enabled highly precise dispensing at close intervals. A discharge accuracy of ±1% was achieved, continuous and stable discharge was achieved, and the discharge flow rate was also adjustable. This has resulted in improvements in product reliability and production efficiency.
Introduced products
Positive displacement high precision micro dispenser preeflow® eco-PEN300/450/600/700 3D
It is possible to apply minute amounts of a wide range of low to high viscosity liquids with high precision.
- Positive displacement type achieves a discharge accuracy of ±1% (at 1° per rotation)
- Stable continuous discharge without pulsation is possible
- Excellent liquid drainage due to suck back function
- Built-in nozzle heater improves temperature control efficiency
- Discharge flow rate (ml/min, g/min) can be set
Nozzle proximity type dispenser
problem
- As smartphones evolve, devices have become more compact and thinner, and the space available for installing speakers has become limited. For this reason, a minute coating pattern and coating at precise locations were required. Existing equipment could not meet this demand.
- When applying two-component adhesives, it is difficult to maintain an accurate mixing ratio of the base agent and hardening agent, which may result in failure to ensure proper curing.
Benefits
- By using a positive displacement dispenser and a precision-molded nozzle, we were able to dispense an ultra-small amount to a precise location.
- A high-precision dispenser was introduced to mix the two-component adhesive in precise proportions. By being able to adjust the optimal transfer amount of the base agent and curing agent, accurate mixing and uniform application were achieved, ensuring quality stability.
Introduced products
preeflow® eco-DUO330/450/600
This is a high-precision dispenser that can mix and dispense two liquids within ±2%. Mixing is performed after increasing the quantitative properties of each liquid to achieve accurate mixing ratio and discharge volume.
- Stable discharge is possible without being affected by pressure, temperature, or time.
- Stable continuous discharge without pulsation is possible
- Two-component mixture can be applied without worrying about viscosity.
problem
As the lens parts of camera modules evolve, the requirements for high precision in the coating process are increasing. However, with existing equipment, it is difficult to apply uniformly to minute areas, resulting in variations in line width and, in some cases, defective products due to protrusion into the inside of the lens.
Benefits
The introduction of a precision nozzle enables minute discharge, and the precision machining of the tip and smooth inner surface make it possible to achieve highly accurate and uniform application. Furthermore, the chamfer-shaped tip reduces the adhesion of the paste material and enables stable application into narrow spaces, improving product quality.
Introduced products
precision nozzle
- Integrated nozzle processing realizes stable and small amount of discharge
- Integrated structure eliminates the need to tighten the nozzle to the needle base
- Tapered shape provides outstanding flow characteristics
- Ultra-thin nozzle processing achieves highly accurate, minute and stable discharge
Nozzle proximity type dispenser
problem
- The UV adhesive application process for bonding cover glasses is extremely precise, requiring extremely small amounts to be applied to small areas. Existing equipment was unable to accurately apply ultra-fine lines.
- In this application process, uniform application of the liquid is extremely important as it affects performance and appearance. If the application is unstable, the thickness and thickness of the adhesive will be inconsistent, which may affect the strength, optical properties, and appearance of the adhesive.
Benefits
- Using a high-precision automatic vision dispensing system, accurate reference point recognition and repeated dispensing position settings are now possible. It has been possible to apply ultra-small amounts of UV adhesive to precise locations.
- Using a needle valve for ultra-fine coating, it has become possible to continuously and uniformly apply stable ultra-fine dot lines. This improved the reliability of the sensor and cover glass, and stabilized product quality.
Introduced products
Needle valve for ultra-fine dispensing SV59MD
Due to its unique seal structure, it has excellent liquid drainage even in ultra-fine applications, and is capable of dispensing a minimum liquid volume of 1 nanoliter.
- Stable ultra-fine dot application possible
- Reliable shutoff without dripping
- Ideal for low to medium viscosity applications
- Equipped with calibration function
High precision automatic vision dispensing system AXELIA
Equipped with simple image processing tools and intuitive programming functions, it is suitable for applications that require precise liquid dispensing in a variety of manufacturing processes.
- Easy to check the discharge position with excellent visibility using a high-precision camera
- Accurate reference point recognition and repeated discharge position setting possible
