contact Markem .they had special ink . If you have laser marker, that may also help. ashok > ---------- > From: Scott Decker[SMTP:[log in to unmask]] > Sent: February 19, 1998 9:56 AM > To: [log in to unmask] > Subject: Re: [TN] Component Marking Ink > > On Wed, 18 Feb 1998, Edward Valentine wrote: > > > TechNet - > > > > One of our customers is looking for an ink or masking material to > > obliterate or hide surface mount IC markings for security purposes. > > Currently, the IC markings are mechanically removed, but this is a > slow > > process. Screening or tamping an opaque ink seems like the best > idea, > > but does anyone know who supplies an ink for this purpose? Any other > > ideas will be appreciated. Thanks, Ed Valentine > > -- > > > > ProTronics, Inc. > > 861 Old Knight Road > > Knightdale, NC 27545 > > Phone: (919) 217-0007, Fax: (919) 217-0050 > > http://www.protronics-inc.com > > > > ################################################################ > > TechNet E-Mail Forum provided as a free service by IPC using > LISTSERV 1.8c > > ################################################################ > > To subscribe/unsubscribe, send a message to [log in to unmask] with > following text in the body: > > To subscribe: SUBSCRIBE TechNet <your full name> > > To unsubscribe: SIGNOFF TechNet > > ################################################################ > > Please visit IPC web site (http://jefry.ipc.org/forum.htm) for > additional information. > > For the technical support contact Dmitriy Sklyar at [log in to unmask] > or 847-509-9700 ext.311 > > ################################################################ > > > > > Edward, > I am not by any means an expert on this, but I understand that > lasers > are used to mark parts, so why not use one to mark over the data > on the parts? I am not sure this would work, but it maybe a thought. > Just a simple thought from a simple mind......(:-} > > Scott Decker > Senior PCB Designer > > AKA: PadMasterson > E-Mail: [log in to unmask] > > ----------------------------------------------------------------- > > ^ > ^^^ Praegitzer Design - A Division of Praegitzer Industries > ^^^^^ 7245 N.W. Evergreen Pkwy, Suite 100, Hillsboro, OR 97124 > ^^^^^^^ Phone #: (503) 531-2050 Ext. 1820 Fax #: (503) 531-2051 > ----------------------------------------------------------------- > > ################################################################ > TechNet E-Mail Forum provided as a free service by IPC using LISTSERV > 1.8c > ################################################################ > To subscribe/unsubscribe, send a message to [log in to unmask] with > following text in the body: > To subscribe: SUBSCRIBE TechNet <your full name> > To unsubscribe: SIGNOFF TechNet > ################################################################ > Please visit IPC web site (http://jefry.ipc.org/forum.htm) for > additional information. > For the technical support contact Dmitriy Sklyar at [log in to unmask] or > 847-509-9700 ext.311 > ################################################################ > ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################