Bill, That was the one I was looking at, I think it is the 2007 release which has HDI and Lead-free. Generally I would like a reference book for the purpose to help with that once in a while question and or questions that there isn't an easy answer too. Thanks again -JJ ________________________________________ JEFFREY A. JENKINS, CID+ SR. PCB/CAD Designer L-3 COMMUNICATIONS - LINKABIT DIVSION 3033 Science Park Rd. San Diego, CA 92121 Tel: (858) 552-9832 Fax: (858) 552-9487 [log in to unmask] ________________________________________ From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Brooks, Bill Sent: Wednesday, December 03, 2008 3:11 PM To: [log in to unmask] Subject: Re: [DC] Book Question.... There is a newer version of the COOMBS PCB handbook and it has a new section on HDI as well... I bought mine from Amazon... but I'm sure it's available through other channels. http://www.amazon.com/Printed-Circuits-Handbook-McGraw-Handbooks/dp/0071467343/ref=sr_1_1?ie=UTF8&s=books&qid=1228345780&sr=1-1 Bill Brooks Datron World Communications, Inc. (760)602-7004 --------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL) Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail 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 ---------------------------------------------------------------------------------