The PCB shop we use offers what they call "pick drilling". They slow the drill entry speed way down so you can drill a row of holes very close together without breaking the drill. We normally use a 1.8mm drill on 10 thou centres to create a slot (with slightly jaggy edges) so we can solder two PCBs together at right angles - V strong & can be waved so V cheap (& also totally unreworkable) Ian Thomas ----- Original Message ----- From: "Peter Bennett" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Friday, October 10, 2003 7:05 AM Subject: Re: [PEDA] oblong Pads/Slots (plated) in P99SE
> Michael Biggs wrote: > > > I have noticed in P99SE component library that you cannot change the hole > > size to be a oblong or plated slot for footprints. I know there are > > alternative ways to call out these drill holes to be plated slots within the > > pad, but what is the proper or favorable way to do this in P99SE? > > Thank You in advance for responses. > > You will find that very few board shops have oblong or rectangular drill bits. > :-) > > > You will have to talk to your board shop to see how (or if) they can produce > non-round holes, and how they want that requirement documented. Protel does > not provide any way to show non-round holes. > > -- > Peter Bennett > TRIUMF > 4004 Wesbrook Mall, Vancouver, BC, Canada > GPS and NMEA info and programs: > http://vancouver-webpages.com/peter/index.html > > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
