You may want to try Thermographic Measurements  (714) 282 6700.  They make
some tape and label products that may cover the temperature ranges of
interest.  A contact there is Steve Giffin.

John Moylan
Delsen Testing Laboratories
[log in to unmask]
http://www.primenet.com/~delsen/
>
>Board profiles are being run where the IR/oven set-points vary
>both significantly and often depending upon the variety of new
>SMT, TAB, BGA, etc. technologies being used.
>
>Is there a TAPE/STICKER/WAX PENCIL that can be used to indicate
>on a functional (non-mole) board the highest temperature that
>board has seen during PWB assembly ?
>
>Thanks,                                                                        
>Karl Sauter                                                                    
>Staff Engineer, Sun Microsystems, Inc.                                         
>[log in to unmask]                                                       
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