Overview of Adjustable Wafer Box

The Adjustable Wafer Box shown in the image is manufactured using high-purity polycarbonate (PC), a material widely regarded in the semiconductor industry for its exceptional transparency, durability, and chemical resistance. This makes the box not only a flexible storage solution for wafers of different sizes, but also a reliable safeguard for sensitive substrates throughout fabrication, inspection, and transport.

Material Excellence – Why Polycarbonate (PC)

Polycarbonate is the preferred material for high-end wafer carriers because it combines optical clarity with mechanical strength. The transparency of PC allows operators to visually confirm wafer presence and condition without opening the box, reducing the risk of contamination.

Key advantages of PC material include:

• Crystal-Clear Transparency (Light Transmission > 85%) – Enables wafer inspection while sealed.

• Impact Resistance – PC is virtually unbreakable, protecting wafers during handling, shipping, or accidental drops.

• Cleanroom Suitability – PC generates very few particles, making it ideal for ISO Class 5–7 cleanrooms.

• Temperature & Chemical Resistance – Can withstand cleaning with IPA (isopropyl alcohol) or other solvents commonly used in fabs.

Some models may also incorporate surface treatments or anti-static coatings on the PC to further enhance ESD (Electrostatic Discharge) protection and reduce dust attraction.

Design Highlights of Adjustable Wafer Box

• Fully Transparent Body: The box is entirely see-through, allowing for visual wafer verification without breaking the cleanroom seal.

• Adjustable Interior Pegs: The white support pegs can be repositioned to secure wafers of different diameters (commonly 4”, 6”, or 8”).

• Secure Hinged Lid: The hinged mechanism ensures the lid opens smoothly but locks tightly when closed, preventing accidental contamination or wafer slippage.

• Chemical-Resistant Finish: The PC material withstands exposure to cleanroom solvents and mild acids, ensuring long-term usability.

Technical Details – Adjustable Wafer Box

Applications of Adjustable Wafer Box

Semiconductor Wafers (Si, SiC, GaN, GaAs) – Safely stores and transports wafers at multiple process stages.
Sapphire & Glass Substrates – Protects delicate substrates used in LED, optical, and advanced display industries.
R&D and Laboratory Use – Ideal for institutions handling mixed wafer sizes for testing or experimentation.
Global Shipping & Logistics – PC boxes provide durable, reusable packaging for wafers sent to customers or partner fabs worldwide.

FAQ of Adjustable Wafer Box

Q1: Why choose a polycarbonate wafer box instead of acrylic?
PC offers superior impact strength and will not shatter, while acrylic (PMMA) can crack under stress.

Q2: Can PC withstand cleanroom cleaning agents?
Yes. PC tolerates IPA (isopropyl alcohol) and other solvents used for standard cleaning, but strong alkalis should be avoided for prolonged exposure.

Q3: Is the box suitable for fully automated wafer handling?
Many PC wafer boxes, including this design, can be adapted for manual or robotic handling, depending on production requirements.

Q4: Can it be reused multiple times?
Absolutely. PC boxes are reusable for dozens or even hundreds of cycles, making them cost-effective and eco-friendly.

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