Ken Patel wrote: > > PCB Design Expert, > I have heard from my layout house that gerber output in RS274X format from > Cadence Allegro can drop apertures and may cause problem. Meaning, it is > still not reliable, is it true? Most people with troubles in Allegro's RS274X can solve those issues by reading the fine manual. I suspect the "dropped pads" issue is related to the software doing exactly what you tell it. Granted, it is a little non- intuitive what exactly you should say... We have been using it for some time and after some teething troubles circa 1997, we have not had a reliability problem. Yet. -- Jeff Seeger Applied CAD Knowledge Inc Chief Technical Officer Tyngsboro, MA 01879 jseeger "at" appliedcad "dot" com 978 649 9800 ################################################################ 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 ################################################################