Thanks again... Jim Marsico Senior Engineer Production Engineering EDO Electronics Systems Group [log in to unmask] <mailto:[log in to unmask]> 631-595-5879 -----Original Message----- From: Frank Kimmey [SMTP:[log in to unmask]] Sent: Thursday, February 12, 2004 3:54 PM To: TechNet E-Mail Forum.; Marsico, James Subject: RE: [TN] FR-4 standard thickness Jim, Try something like: .044 THICK FR4 PER IPC 4101/24, C1/C1. TOTAL FINISHED THICKNESS NOT TO EXCEED .050" The good news is 4101 allows for with or without copper. The bad news is .044" is the starting thickness and finished thickness must allow for additional plating, mask, etc. Calling out max allowed thickness and starting thickness will allow your supplier to easiest fit within process'. If this design requires UL then add: UL RECOGNIZED COMPONENT ZPMV2, 94V-0 For most PCB Fabs this is all the data (material wise) they really need. Hope it helps, FNK Frank N Kimmey CID+ Principle PCB Designer Powerwave Technologies EDH 916-941-3159 FAX 916-941-3195 CEL 916-804-2491 -----Original Message----- From: Marsico, James [mailto:[log in to unmask]] Sent: Thursday, February 12, 2004 12:37 PM To: [log in to unmask] Subject: Re: [TN] FR-4 standard thickness If the standard material is .044", including the copper, how would I call it out using the IPC-4101 designation? Jim Marsico Senior Engineer Production Engineering EDO Electronics Systems Group [log in to unmask] <mailto:[log in to unmask]> 631-595-5879 -----Original Message----- From: Roger Stoops [SMTP:[log in to unmask]] Sent: Thursday, February 12, 2004 3:33 PM To: TechNet E-Mail Forum.; Marsico, James Subject: RE: [TN] FR-4 standard thickness Yes, but vendors call it .044", 6 layers of 7628 laminate (what's a mil between friends, anyway?). This is a nominal number, and typically includes the copper thickness. They may want to consider calling out .044" to reduce confusion. Here's a link for Nan-Ya Plastics Electronic Mat'l Div. as an example: http://www.npc.com.tw/Emd-e/fr-div1.htm Roger M. Stoops, CID+ Trimble Navigation Ltd., Dayton, OH, USA Ph: +01 937.245.5288 Fax: +01 937.233.7511 -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of Marsico, James Sent: Thursday, February 12, 2004 3:04 PM To: [log in to unmask] Subject: [TN] FR-4 standard thickness Good day Technet: Our designers are designing a PWB using IPC 4101/24 (FR406) material that's .045" thick. Is this a standard thickness that is readily available? Jim Marsico Senior Engineer Production Engineering EDO Electronics Systems Group [log in to unmask] <mailto:[log in to unmask]> 631-595-5879 --------------------------------------------------- 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 847-509-9700 ext.5315 ----------------------------------------------------- --------------------------------------------------- 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 847-509-9700 ext.5315 ----------------------------------------------------- --------------------------------------------------- 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 847-509-9700 ext.5315 -----------------------------------------------------