Lustig,
        The shield cans can contain holes, peppered throughout the top and
sides, depending on the frequencies your shielding. This type of shield can
be re-flowed right along with everything else. This can also avoid going to
a two part shield.


A M E R I C A N   M E G A T R E N D S
American Megatrends, Inc.
6145-F Northbelt Parkway
Norcross, Georgia 30071-2976
Rubin (Dale) Marcum - AMI Quality Project Engineer
[SMTP:[log in to unmask]] <mailto:[SMTP:[log in to unmask]]>      http://www.ami.com/
<http://www.ami.com/>



                -----Original Message-----
                From:   Lustig, Steven K.. [SMTP:[log in to unmask]]
                Sent:   Monday, October 12, 1998 7:41 AM
                To:     [log in to unmask]
                Subject:        [TN] EMI Shields

                Good morning!

                Does anyone have experience with EMI/RF shields ("cans")
that have SMT
                legs which you put onto pads on the board and then reflow?
Can you
                reflow this while reflowing the parts underneath the shield,
or will
                those parts see insufficient heat to reflow their solder?
Do you
                recommend a one-piece shield or a two piece one - where
there is a
                fence-like perimeter that solders onto the board with those
SMT legs and
                then a lid which snaps onto the fence?

                Thanks in advance for the help.

                -Steve

                Steven K. Lustig
                Process Engineer
                EMS Technologies, Inc.
                Norcross, GA
                (770) 263-9200 x4714
                [log in to unmask]


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