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Reply To: | TechNet E-Mail Forum. |
Date: | Mon, 6 Jul 1998 12:23:50 -0500 |
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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]
> >
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