HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Blogs
Guest Blogs

Increasing Electronics Reliability With Conformal Coatings

NO RATINGS
1 saves
Page 1 / 3 Next >
View Comments: Newest First|Oldest First|Threaded View
<<  <  Page 2/2
Ann R. Thryft
User Rank
Blogger
Re: Wicking and other issues.
Ann R. Thryft   3/12/2013 9:55:56 PM
NO RATINGS
What I'm wondering isn't so much what apps these coatings are good for, but in what cases the higher purchase cost of the coating gets offset by the lower production costs. Anybody know?

CougFan
User Rank
Iron
Re: Wicking and other issues.
CougFan   3/12/2013 12:56:38 PM
NO RATINGS
Aerospace applications use coatings for many reasons - one to help mitigate Tin Wiskers.

tekochip
User Rank
Platinum
Re: Wicking and other issues.
tekochip   3/12/2013 8:24:48 AM
NO RATINGS
For me the applications that use coatings are; agricultural, automotive, washroom appliances, dishwashers and washing machines.


Ann R. Thryft
User Rank
Blogger
Re: Wicking and other issues.
Ann R. Thryft   3/11/2013 4:46:06 PM
NO RATINGS
From tekochip's post, it sounds like this general class of coatings decreases cost of ownership for buyers, at least partly from lengthening product life. I wonder under what circumstances the higher product cost is balanced by lower production costs.

tekochip
User Rank
Platinum
Wicking and other issues.
tekochip   3/11/2013 12:38:32 PM
NO RATINGS
Something not covered in the article is that conformal coatings have a way of creeping into places they don't belong.  Connectors, of course, are the biggest problem.
 
That said, conformal coatings offer so many advantages that I prefer to use them even when not designing outdoor products.  The coatings prevent humidity damage that can be seen even with indoor applications, as well as protection from dust and smoke (some people still do).  Lastly, conformal coatings also provide mechanical support for components preventing damage from vibration.
 
It's a big commitment and increased product cost from many angles, but coatings really do improve a product's reliability.


Nancy Golden
User Rank
Platinum
Re: Very Informative Article - showing SR may be best choice...
Nancy Golden   3/11/2013 12:37:56 PM
NO RATINGS
Unfortunately Ann, on the flip side, sometimes I think the manufacturer is cognizant of the advantages but has to go with the lower cost at start up simply because they can't afford to do otherwise, or if they do go with the higher costing product then they can't market their product at a price to make them profitable...for example we went with the higher cost of furniture grade pvc pipe with our horse trail obstacle business because we knew it was a better and safer product but because we were small fish, we could not afford to buy in volume. This drove our prices higher even with a ridiculously small profit margin and we could not become profitable...

Making good business decisions is a very difficult task especially when you are first starting out and have a very small budget...

Ann R. Thryft
User Rank
Blogger
Re: Very Informative Article - showing SR may be best choice...
Ann R. Thryft   3/11/2013 12:20:57 PM
NO RATINGS
The discussion of cost reminds me of so many instances I've seen where the initial price/cost of an item itself may be higher than competitive items, but due to various characteristics it costs less to use over time. That appears to be the case here, with a higher initial cost of the material itself vs a lower overall production cost, i.e., cost of using it during production. I think Nancy's right; it's so easy to just look at the material or product cost, not the cost of ownership or cost of use.

Nancy Golden
User Rank
Platinum
Very Informative Article - showing SR may be best choice...
Nancy Golden   3/11/2013 11:41:15 AM
NO RATINGS
Kent, thanks for the very informative article on a very relevant topic. Initially I was confused by what seemed like conflicting statements:

Regarding Silicones – "However, these superior properties do come at a cost, which is typically a higher price per kilogram."

And "Yet, several factors are influencing engineers to choose silicone conformal coatings over other options to provide greater reliability and durability to electronic devices. These factors are low stress, lower production costs..."

But you did an admirable job explaining why despite the higher cost per kilogram, that silicone may still be the most cost-effective choice, along with its many advantages. It is also a good lesson for those of us who tend to just look at the surface. Initial cost is often the determining factor for a process and Kent's explanation proves that is not always the best case...

My only question is in regards to the final sentence of the summary which states "Studies have shown..." it leaves me wondering which studies are being referred to...is this information internal to Dow Corning specifically or are there some industry studies that have been done by other sources as well that are available?

<<  <  Page 2/2
Partner Zone
More Blogs from Guest Blogs
It seems that gears have been around forever -- what could be new?
The use of ZNE technology buildings not only reduces cost and creates renewable energy, but it can give a boost to the economy. The implementation and execution will require a workforce, which means the result can be increased employment.
The use of CFD is more profound in automobile design because of the diverse physics involved. It can be used to optimize components for downsizing and reducing the environmental footprint while maintaining or improving operational efficiency.
A Detroit automaker was struggling with a semi-manual, labor-intensive parts receiving process. Workers had enter parts into a spreadsheet manually at a stationary workstation. This stopped the receiving process dead in its tracks. A better system was needed.
Pressure sensors can be used in a wide range of applications. It’s imperative that they’re suited for use in hazardous situations and are fully compliant with one of several protection standards.
Design News Webinar Series
7/17/2014 11:00 a.m. California / 2:00 p.m. New York
6/25/2014 11:00 a.m. California / 2:00 p.m. New York
5/13/2014 10:00 a.m. California / 1:00 p.m. New York / 6:00 p.m. London
7/23/2014 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Jul 21 - 25, Design Products With Bluetooth Low Energy
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Class: August 12 - 14
Sponsored by igus
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service