Dennis, see my comments below.
>-----Original Message----- >From: Dennis Saputelli [mailto:[EMAIL PROTECTED] >Sent: Tuesday, January 11, 2005 9:03 PM >Subject: Re: [PEDA] Tenting Phenomenon (Is it riskless) <<---snipp-->> >but the fab shop was quibbling over the meaning of the term 'tenting' > >(they probably got burned once) > >'tenting' seems to imply that the hole is guaranteed blocked and gas >tight, which at certain dimensions i guess can only be done >with dry film > >when they use the common LPI mask and the protel gerbered >'tented' vias they described the result as 'covered' vias <<---snipp-->> had the same discussion with our fab some time ago. They usualy have customers which needed 'tenting' for PCB that are tested with an incircuit tester. ICT mostly use vacuum to hold the PCB down. Therefore the vias have to be 'guaranteed blocked and gas tight'. Perhaps that is why they use the termination 'covered' for what we call 'tented'? Regards, Waldemar ____________________________________________________________ You are subscribed to the PEDA discussion forum To Post messages: mailto:[email protected] Unsubscribe and Other Options: http://techservinc.com/mailman/listinfo/peda_techservinc.com Browse or Search Old Archives (2001-2004): http://www.mail-archive.com/[email protected] Browse or Search Current Archives (2004-Current): http://www.mail-archive.com/[email protected]
