Kenny!!!!!!!!!

Welcome back,

Any jobs? My wife has always wanted to move there.....

 
 
John Burke
 
(408) 515 4992
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ken Bloomquist
Sent: Wednesday, April 16, 2008 8:06 AM
To: [log in to unmask]
Subject: Re: [TN] Defects related to water wash

Hi Everybody,

I've been away from the TechNet for a while but it's good to be back. I'm
now working for a wonderful EMS on beautiful Whidbey Island, Washington.

Carl, you hit on a subject that we are addressing right now. We use metal
wire mesh baskets to transport assemblies through our wash. We experience
damaged SMT parts from time to time such as chipped caps or missing parts.
We believe that it is from the water pressure and air pressure bouncing the
boards around and banging them into the wire mesh.

We are evaluating several different ideas but haven't found the best fix
yet. I'll be interested to hear if other TechNetters have this problem and
if so how they've solved it.

Best regards,

KennyB

-----Original Message-----
From: Ray, Carl (GE EntSol, Intelligent Platforms)
[mailto:[log in to unmask]] 
Sent: Wednesday, April 16, 2008 7:48 AM
To: [log in to unmask]
Subject: [TN] Defects related to water wash

 Does anyone out there have any information or data related to defect
rates for components after water wash processes? Some obvious components
such as switches, speakers and similar devices that are exposed to the
wash is a given to expect failures. The concern we have is with other
types of components.


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