John, You can use a standard foil with a hole ( like a stencil ) and use the marker to paint. Thanks > -----Original Message----- > From: John Chandler [SMTP:[log in to unmask]] > Sent: 26 de Maio de 1999 03:05 > To: [log in to unmask] > Subject: [TN] Reflow/water resistant sticker dots > > We as you all have X'ed out boards which run through our lines. > Our machinery will recognize a white or bright yellow dot as a bad board > and automatically skip that offset in the programs. > > Paper dots go through the reflow just fine but in the water wash they fall > apart and would clog up the wash after a period of time. > > We can use a white marker which is permanent and hand draw a dot on every > board but now the problem is as human beings go. Some make big dots and > some put specks on which the machines may or may not recognize. > > Any suggestions????? > > Thanks > > ################################################################ > 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's web site (http://www.ipc.org) "On-Line Services" > section for additional information. > For technical support contact Hugo Scaramuzza at [log in to unmask] or > 847-509-9700 ext.312 > ################################################################ ################################################################ 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################