PTFE wafer cassette, for 4", 5 slots, with Y type handle

About PTFE wafer cassette, for 4", 5 slots, with Y type handle

Product Overview

This specialized PTFE Wafer Basket is engineered for precision cleaning and etching of individual substrates or small batches. Unlike large-scale carriers, this compact, vertical-handle design allows operators to maintain maximum control during delicate dipping processes. The pure white PTFE construction ensures a "metal-free" environment, preventing the leaching of impurities that could compromise semiconductor electrical properties. Whether you are using the slotted rectangular base for edge-only contact or the perforated circular base for optimized fluid turbulence, these baskets provide a stable and non-reactive housing for high-value wafers.

Bespoke Customization Services

We specialize in tailoring these baskets to your specific wet-bench requirements:

• Custom Base Styles: Choose between a slotted V-bridge (for minimum contact) or a perforated disk (for maximum stability).

• Adjustable Handle Length: Handles can be extended or shortened to match the liquid levels of your specific PFA or PTFE cleaning tanks.

• Tailored Wafer Fit: Precision-sized for standard 1-inch to 8-inch wafers, or customized for square substrates and optical components.

• Multi-Slot Expansion: The base can be modified to hold multiple wafers in a parallel or back-to-back configuration.

Product Synergy & Workflow

Designed to integrate into a professional high-purity cleaning station:

• PFA/PTFE Cleaning Tanks: The vertical handle design is optimized for use in deep, narrow-mouth cleaning jars and tanks.

• Inert Hot Plates: Ideal for processes requiring heated chemical baths, as the PTFE material remains stable up to 260C.

• PTFE Tweezers: Used for the precise placement and removal of wafers from the basket slots without scratching the surface.

• PFA Fittings & Tubing: Essential for constructing the ultra-pure water (UPW) rinsing lines used after the chemical etch.

Application Fields & Industries

• R&D Laboratory Scale: Ideal for university research and small-scale pilot lines where individual wafer processing is required.

• Semiconductor Wet Etching: Safe handling during hydrofluoric acid (HF) dipping or buffered oxide etch (BOE) steps.

• MEMS & Micro-Optics: Processing of specialized sensors, sapphire windows, and quartz substrates.

• Thin-Film Deposition Prep: Ensuring a pristine, particle-free surface prior to CVD or PVD processes.

Superior Corrosion Resistance

Constructed from high-grade PTFE, this wafer cassette is highly resistant to corrosive chemicals frequently used in etching processes. Its durability ensures long-lasting use and maintains the integrity of the wafer environment, minimizing deterioration over time and providing dependable protection for sensitive materials.


Optimized for Laboratory Use

Specifically designed for lab applications, its 4-inch, 5-slot capacity supports routine and specialized wafer etching processes. The ergonomic Y-type handle allows for secure handling, even with gloves, reducing the risk of accidental contamination or wafer damage during transfer or storage.


Ensured Purity and Organization

The cassette's white PTFE body not only prevents contamination but also makes it easier to visually inspect for cleanliness. With a 5-slot configuration, it facilitates organized, safe storage and transfer of multiple wafers, keeping laboratory workflows efficient and controlled.