MR.(?) Hoover!!! That's makes him sound sooo respectable. He's still just "Groovy" to most of us. dw At 10:00 AM 2/2/2006, Marcello Brett Malteze wrote: >Hi Jeffrey, > > Tks a lot for you feedback and do you have the papers from Mr. >Hoover?Would you send to me? > >Tks a lot > > >Marcello Brett Malteze >Mechanical Process Engineering >Multek Brazil >Phone: + 55 11 3749 8384 >Mobile: + 55 11 9468 4833 >Skype: mbrett73 >Email: [log in to unmask] > > >-----Original Message----- >From: Jeffrey Bush [mailto:[log in to unmask]] >Sent: quinta-feira, 2 de fevereiro de 2006 11:32 >To: TechNet E-Mail Forum; Marcello Brett Malteze >Subject: RE: [TN] Via on Hole process > >Buried vias should not need to be filled as the bonding material should >adequate to fill these features to minimum standard. > >If you as discussing the filling of thru-hole vias, I would recommend a >Peters SD2795 and the investment in a planarization unit. Traditional >scubbing is problematic and we have attempted using the Ishii Hyoki >mechanical as well as a chemcut unit. The best process we have determined >is using a Pola&Massa process to remove the surface epoxy as well as reduce >the surface copper improved by the plating of the via prior to filling. >Your Dave Hoover presented a great paper at SMTA/Dallas in 2004, where the >various processes are discussed for via filling. > >Jeffrey Bush >Director, Quality Assurance and Technical Support VERMONT CIRCUITS >INCORPORATED > 76 Technology Drive - POB 1890 > Brattleboro, Vermont 05302 > Voice - 802.257.4571 ext 37 > Fax - 802.257.0011 > <http://www.vtcircuits.com/> > > >-----Original Message----- >From: TechNet [mailto:[log in to unmask]] On Behalf Of Marcello Brett Malteze >Sent: Thursday, February 02, 2006 6:17 AM >To: [log in to unmask] >Subject: [TN] Via on Hole process > >Hello all, > >We are installing the via on hole process and iīm looking for more >informationīs regarding to Ink Supplier to fill the buried vias , someone >that could describe the flow process and if it is possible to run >planarization on a normal Scrubex machine not Ishiihyki. > >Tks a lot, > >Brett > > > >Marcello Brett Malteze >Mechanical Process Engineering >Multek Brazil >Phone: + 55 11 3749 8384 >Mobile: + 55 11 9468 4833 >Skype: mbrett73 >Email: [log in to unmask] > > > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 1.8e To >unsubscribe, send a message to [log in to unmask] with following text in the >BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or >(re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet >NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send >e-mail to [log in to unmask]: SET Technet Digest Search the archives of >previous posts at: http://listserv.ipc.org/archives Please visit IPC web >site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional >information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 >ext.2815 >----------------------------------------------------- > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 1.8e >To unsubscribe, send a message to [log in to unmask] with following text in >the BODY (NOT the subject field): SIGNOFF Technet >To temporarily halt or (re-start) delivery of Technet send e-mail to >[log in to unmask]: SET Technet NOMAIL or (MAIL) >To receive ONE mailing per day of all the posts: send e-mail to >[log in to unmask]: SET Technet Digest >Search the archives of previous posts at: http://listserv.ipc.org/archives >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 >for additional information, or contact Keach Sasamori at [log in to unmask] or >847-615-7100 ext.2815 >----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------