If your photo house uses a raster machine with a preprocessor that can't
handle a large aperture you could produce your gerbers in 274d (with the
acceptable limit size) and then convert them in Camtastic
Richard Sumner wrote:
>
> Alas, the aperture limit is not available if you choose rs274x.
> Not all pcb houses can manage large "apertures". Advanced circuits is
> limited to 1"x1", for example.
>
> At 02:23 PM 5/17/01 Thursday, you wrote:
> >In a message dated 5/17/01 10:39:30 AM Pacific Daylight Time,
> >[EMAIL PROTECTED] writes:
> >
> > > I just have come across a problem with outputed D-Code sizes in Protel
> > > 99SE. On a DS pcb, I made some large ground planes in various areas
> > > instead of using the copper pour option. When I outputed the gerbers in
> > > RS274 format, some of the DCodes were >3.0" by >1.0". Obviously the
> > > plotter house cryed wolf. If you output the aperture tables (the old
> > > way) you can put a size restriction on the aperture size. It appears
> > > that this is not possible in RS 274 format.
> > >
> > > Has anyone had this problem?
> > >
> > > Jim Gardner
> > > SiGEM Inc.
> >
> >Jim:
> >
> >There is a maximum aperature size option that should be set. It is located
> >in the Aperature menu of the Gerber properties section associated with the
> >CAM output files. Right click on the gerber entry in the CAM output window
> >and select Properties to access the menu.
> >
> >Brock Russell
> >
> >
> >
> >
> >
> >
>
> Cheesecote Mountain CAMAC
> 24 Halley Drive; Pomona, NY 10970
> 845 364 0211, www.cmcamac.com
--
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>John M. Cardone Electro-Mechanical Dsgn. Engr. Grp.
>M/S 278-100 Mechanical Engineering Section, 352
>4800 Oak Grove Dr. NASA / Jet Propulsion Laboratory
>Pasadena, Ca 91109
>Tel: 818.354.5407 MailTo:[EMAIL PROTECTED]
>Fax: 818.393.4860
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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