We use metal blades. Fiducials are not cut all the way through, just part way. Then they fill them with a dark colored epoxy. I did have change the video recognition too light to dark for the DEK 265 system to recognize them, but that was the only change. Thanks, Kathy Palumbo > ---------- > From: McMonagle, Michael R.[SMTP:[log in to unmask]] > Sent: Monday, July 06, 1998 10:23 AM > To: [log in to unmask] > Subject: Re: [TN] Polyimide See Thru Stencils for Printing Solder > Paste > > What type of blades are you using? How do they mark stencil fiducials, > full cut through? > > Mike McMonagle > K*Tec Electronics > > > -----Original Message----- > > From: Kathy Palumbo [SMTP:[log in to unmask]] > > Sent: Monday, July 06, 1998 11:26 AM > > To: [log in to unmask] > > Subject: Re: [TN] Polyimide See Thru Stencils for Printing Solder > > Paste > > > > Johannes, > > > > I have tried this type of stencil. It was made by a company in Canada > > called KJ Marketing. It worked extremely well. The material is laser > > cut, > > and as a result of the heat from the Laser the walls of the apertures > > are > > perfectly smooth. The release of paste was outstanding. It performed > > as > > well or better than a pure nickel stencil. > > > > Alignment was made easy due to the ability to see through the stencil. > > > > The material can be melted down and used again, and it does not > > stretch as > > much. > > > > You should try it out yourself and see what you think. > > > > Thanks, > > Kathy Palumbo > > > ---------- > > > From: Johannes Sivula[SMTP:[log in to unmask]] > > > Sent: Tuesday, June 30, 1998 4:18 AM > > > To: [log in to unmask] > > > Subject: [TN] Polyimide See Thru Stencils for Printing Solder > > Paste > > > > > > Polyimide See Thru Stencils for Printing Solder Paste > > > > > > Following mail was posted by Russ M on June 23, 1998 at 11:27:37: > > to > > > http://www.smtnet.com/smt_forum/smt_mail.html > > > > > > Has anyone seen/used these yet? They seem to have lower > > > coefficient of friction > > > for release of paste and less wear and tear as well as > > > conforming to the board better > > > (plastic has better memory than stainless). Also there is > > no > > > mesh > > > so a larger > > > image can be put in a smaller stencil size. But, the best > > is > > > that > > > you can see through > > > the stencil for manual and semi-automatic printer > > alignment and > > > reduce set up and changeover times. > > > Anyone familiar with these? > > > How long do they last? > > > > > ---------------------------------------------------------------------- > > ---- > > > - > > > ---------------------------------------------------------- > > > Any comments ? > > > brs, Johannes > > > > > > > > > > > > This type os stencil is available from: > > > KJ Marketing Services > > > 115-30th St. > > > Toronto, Ontario, M8W 3C1 > > > Phone: (416) 252-1061 > > > Fax: (416) 253-1687 > > > email: [log in to unmask] > > > Web Site: www.kjmarketing.com > > > Regards John Parsons Circuit Graphics Ltd. [log in to unmask] > > > > > > ################################################################ > > > 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 > > ################################################################ > > ################################################################ > 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 ################################################################