OZPEN™ CO₂ Fiber Optics Cleaning Unit for High Power Components – Bare Fiber Cleaning



The OZPEN™ is a versatile, precision, small surface area cleaning system for critical fiber optics and other manufacturing operations.

The OZPEN™ generates and propels an adjustable spray of clean dry air or nitrogen containing small CO₂ particles to efficiently remove foreign matter from a surface.

The OZPEN™ replaces or augments conventional solvent-aided wiping cleaning techniques which can spread, smear or shed, or redeposit trace residues and particles over critical surfaces.

The composite spray cleaning technique is a patented process where one can deliver controlled shear stress on surface contaminants using chemically inert, dry CO₂ spray for efficient and effective removal of inorganic and organic surface contamination from critical substrate surfaces.

The cleaning unit delivers a precisely controlled accelerated stream of solid carbon dioxide particles — i.e. snow — at high velocity. The snow is created from the conversion of liquid CO₂ to solid CO₂ particles and CO₂ gas at the spray nozzle. The nozzle, propellant pressure, and temperature are adjusted for optimal cleaning process.

The main method for removal of particulate and other loosely bound contaminants is momentum transfer. In this process, an incoming CO₂ particle strikes a particle on the surface. The resulting force overcomes the force holding the particle to the surface, and the CO₂ gas spray or ‘propellant plume then carries the particle away. This unique dry process can remove very small particles — less than 100 nm in size — without the need for using other wet cleaning techniques.

Note: Embedded debris must be cleaned or loosened by means of ultrasonic cleaning prior to cleaning with CO₂.

Thin film organic contamination may also be removed by CO₂ composite snow cleaning. To remove organic species they must be soluble in liquid CO₂. Typical light oils are good candidates for CO₂ cleaning.

Solid CO₂ spray within the spray plume exists at temperature of approx. -78 °C. The cooling properties of CO₂ can be used to remove contaminant with high water content, first by freezing then by fracturing it from the underlying substrate.

Each OZPEN™ is equipped with a flexible coaxial tube, spray pen applicator, and foot switch. The basic system provides precision cleaning capability right out of the box and includes all components for precision cleaning apart from the process gases.

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Post time: Jun-16-2017
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