Electronics Forum: shield and can (Page 1 of 153)

Re: cutting shield

Electronics Forum | Thu Apr 09 18:02:03 EDT 1998 | Ron Beasley

Has anybody heard of a shield to shield the cutter from flying leads during hand cutting of through hole components. If it collected the leads also that would be helpful. I am thinking of plexiglass or something that the board could be plac

Re: shield placement?

Electronics Forum | Wed Apr 28 22:16:51 EDT 1999 | Steve Gregory

Hi everyone, We started our first machine placed shield test today.We will be machine placing shields with in the next two months. I used a Fuji Qp242 today. There were no problems with pickup etc,. just vision errors. I'm sure we will work the

Re: shield placement?

Electronics Forum | Thu Apr 29 00:00:50 EDT 1999 | FAC

Hi everyone, We started our first machine placed shield test today.We will be machine placing shields with in the next two months. I used a Fuji Qp242 today. There were no problems with pickup etc,. just vision errors. I'm sure we will work

Re: shield placement?

Electronics Forum | Thu Apr 29 13:33:13 EDT 1999 | KEVIN SIMPSON

Hi everyone, We started our first machine placed shield test today.We will be machine placing shields with in the next two months. I used a Fuji Qp242 today. There were no problems with pickup etc,. just vision errors. I'm sure we will

Suface mount shield pad size

Electronics Forum | Thu Apr 02 21:25:16 EDT 2009 | davef

On Orbel E-Z SHIELD, Surface mount two-piece fence and cover: Make the pads 1:1 with the pads on the fence. On Autosplice MINI 7-V2004-115 RFI Clip floating: * Autosplice recommended pad small dimension is very close to the small dimension of the pa

One part or two part shield

Electronics Forum | Thu Jul 12 09:04:41 EDT 2018 | uzbek

One more question, how can AOI detect if the frame of two two-part shield has the cross on top of it for Pick'n'place? I mean has two part shield helped you in term of inspection or in term of better soldering? Or did you put it for the satisfaction

One part or two part shield

Electronics Forum | Thu Jul 12 05:20:01 EDT 2018 | robl

We had the same issue recently, we swapped to a 2 part shield to allow AOI and SPC xray. We also tested using silver epoxy and putting a one piece can down after inspection. That worked too.

One part or two part shield

Electronics Forum | Thu Jul 12 08:49:14 EDT 2018 | robl

Started with a 1 part shield and we had an 0201 tombstone due to the pad design. We changed the pad design but the customer wanted to be 100% sure, so we moved to a 2 part, adding the lid after verification. We also trialled the original 1 part c

MLCC cracks due to RF shield

Electronics Forum | Thu Feb 12 16:59:11 EST 2015 | emjasaph

We have a board that has an RF shield on one side and ceramic capacitors on the other side. The side with the capacitors is reflowed first, then the other side is reflowed. We have been experiencing cracked capacitors in these boards. My guess is tha

Percentage of Blowholes and Pinholes can eliminate.

Electronics Forum | Thu Oct 17 05:16:44 EDT 2013 | vincentdesilva2003

Anyone can help me how many percentage of blowholes and pinholes if i do the followings: 1. Increase copper plating thickness more than 25 microns. 2. Pre Baking of PCB to remove gassing by drying out the PCB's

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