Hello,
Sorry to disturb all of you again. I remember someone share a link to a very good picture describing the difference between pinholes and fisheyes side by side. There is also a good picture on fisheyes. I wanted to show to the operators but unfortunately, I have deleted it unknowing. Can someone kindly put the link to me?
Thanks and Regards,
~ Wee Mei ~
________________________________
From: TechNet on behalf of Stadem, Richard D.
Sent: Tue 2/24/2009 4:23 AM
To: [log in to unmask]
Subject: Re: [TN] Conformal Coating Inspection
Bob, we need fun on Monday mornings when we come back from a nice
weekend and are plunged back into the depths of despair, more so than we
do on Fridays.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of John Burke
Sent: Monday, February 23, 2009 1:38 PM
To: [log in to unmask]
Subject: Re: [TN] Conformal Coating Inspection
Something fishy about that link Richard - I think maybe you are baiting
Bob.
John Burke
(408) 515 4992
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Monday, February 23, 2009 9:19 AM
To: [log in to unmask]
Subject: Re: [TN] Conformal Coating Inspection
Now we're talking about something I can relate to. Here is a link to an
expert on the subject, and he has lots of good fisheye pictures. Post
your questions here:
http://www.howiestackle.com/index.php?productID=33
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bob Willis
Sent: Monday, February 23, 2009 10:50 AM
To: [log in to unmask]
Subject: Re: [TN] Conformal Coating Inspection
I got some good feedback from a couple of engineers working over the
weekend and have produced some more images to show "Fisheyes" now. I
will reliable the first examples circulated as "BugEyes" as they remind
me of the VV Beatle.
I did find a reference to FishEyes in a NASA standard with a black and
white photo. There is also a colour image in their inspection guide.
Bob Willis
2 Fourth Ave, Chelmsford, Essex, CM1 4HA England
Tel: (44) 1245 351502
Fax: (44) 1245 496123
Mobile: 07860 775858
www.ASKbobwillis.com
New Bob Willis "Printed Board Inspection & Quality Control Workshop"
24th March www.ASKbobwillis.com/faworkshops.pdf
"Troubleshooting Your Assembly Yields Workshop" 25th March
www.ASKbobwillis.com/faworkshops.pdf
Book Bob's "Step by Step Failure Analysis Workshop" 22nd April
www.ASKbobwillis.com/faworkshops.pdf
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Whittaker, Dewey
(EHCOE)
Sent: 23 February 2009 16:15
To: [log in to unmask]
Subject: Re: [TN] Conformal Coating Inspection
In regards to plated-through holes, it would probably be Walleyes.
Dewey
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bob Willis
Sent: Friday, February 20, 2009 8:52 AM
To: [log in to unmask]
Subject: [TN] Conformal Coating Inspection
I have been putting together some inspection standards for a new
workshop in Germany. I have found a number of references to "Fish Eyes"
but never seen an example. It's a common term but seems to be elusive in
terms of actual examples.
Would the images at the following link be considered "Fish Eyes" by
users or are we looking for more subtle examples like two bubbles
between IC leads??
www.ASKbobwillis.com/gonefishing.pdf
Many thanks
Bob Willis
2 Fourth Ave, Chelmsford, Essex, CM1 4HA England
Tel: (44) 1245 351502
Fax: (44) 1245 496123
Mobile: 07860 775858
www.ASKbobwillis.com
New Bob Willis "Printed Board Inspection & Quality Control Workshop"
24th
March www.ASKbobwillis.com/faworkshops.pdf
"Troubleshooting Your Assembly Yields Workshop" 25th March
www.ASKbobwillis.com/faworkshops.pdf
Book Bob's "Step by Step Failure Analysis Workshop" 22nd April
www.ASKbobwillis.com/faworkshops.pdf
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