PSN-L Email List Message

Subject: Re: Unknown IC
From: ChrisAtUpw@.......
Date: Sun, 25 Jun 2000 23:21:29 EDT

    If you carefully clean the top of an IC and hold it up to a light so that 
the rays just glance off the surface, it is usually possible, with a 
magnifying glass, to see where the number etc was printed, clearly enough to 
read it. I have done this even when there was apparently no paint left on the 


    Chris Chapman

Public Seismic Network Mailing List (PSN-L)

[ Top ] [ Back ] [ Home Page ]

Larry Cochrane <cochrane@..............>