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sales inquiries sales@focenter.com • all other inquiries: FiberOpticCenter@focenter.com

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Last Updated: August 30, 2019

QUESTION:

How can we keep scratches to a minimum after using final film?

 

 

ANSWER: 

We usually request a visual image of one or more scratches as well as geometry measurements of the connectors in order to answer this question.   With this information, we try to understand the mechanical parameters applied to the film and connector. This includes various aspects of the entire lapping film operation: the polisher, lapping films, time, pressure, rotation speed, stability, applied fluids, cleaning procedures, and so forth.

Why such a thorough investigation? Because scratches might relate to issues in earlier steps in the assembly process. For example, epoxy application, epoxy mixing and/or outgassing, the curing schedule, and encapsulated humidity are common – and surprising – root causes for seeing scratches with a final film.

Also, the cleaning operation of the lapping films, connectors, and polishing fixture between polishing steps is often detected as a root cause for scratch generation. In fact, so-called “cross contamination” is common when rough lapping film debris isn’t thoroughly removed when starting with a finer grit abrasive film.

(We recommend cost-effective silica carbide abrasive films for excess epoxy removal, followed by a finer grit abrasive film to establish a perfect geometry - contact FOC  for more custom and specific film recommendations at (800) 473-4237 / 508-992-6464 or email: sales@focenter.com )

 

READ THE FULL BLOG ARTICLE HEREWhy Do Scratches Appear After Using the Final Film?

 

 

  Answered by AskFOC Technical Team May 1, 2019

 

 

Have a technical question for Fiber Optic Center?

Please email your question to AskFOC@focenter.com and we will respond ASAP.

In addition to replying, we will post your question and our answer here on focenter.com.  Everyone remains anonymous when we post so feel comfortable asking.  You can also search your question and others in our content search.

AskFOC@focenter.com

 

 

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