Electronics Forum: ipc-4101 (Page 1 of 2)

Dielectric values of materials

Electronics Forum | Wed Oct 08 12:57:47 EDT 2003 | davef

For rigid boards, look here: http://www.standardpc.com/ipc4101.htm Google ...ipc 4101... to fill-up your table.

Cu% spec for lead free HASL surface finish

Electronics Forum | Wed Nov 28 22:33:24 EST 2007 | davef

There is no specification for lead-free HASL. You can use any lead-free solderability protection that meets your customer requirements. Use IPC-9701 �Performance Test Methods and Qualification Requirements for Surface Mount Solder Attachments� to ass

IPC 4101

Electronics Forum | Wed Mar 03 17:09:55 EST 1999 | Tom Reilly

We have recently had problems with bare boards coming in too thick. I would like to know how to properly specify the minimum and maximum thickness using the 13949F and IPC 4101 specs. (We currently use "MATERIAL: GFN 0620 C1/C1 A2A per MIL - P - 1394

BGA Pad Cratering

Electronics Forum | Sat Jun 06 15:11:17 EDT 2009 | ysutariya

Was this a lead-free capable material that fits into IPC 4101/126 or /129, like an Isola 370HR? I would not be surprised because from the picture I think I can see resin underneath the lifted copper, which is an interlaminate separate. This is a

Re: IPC 4101

Electronics Forum | Fri Mar 12 18:10:31 EST 1999 | Luis Alberto Garc�a G.

Please I want to know where I can get IPC standards. If you can help me please, send me a message by e-mail.

We're gettin' the standard!

Electronics Forum | Thu May 31 10:40:30 EDT 2001 | davef

See, all those bad thoughts we had ... The guilt, how do we live with it? 3 Spec Fir Tree General Technical Specification 3a Design/Layout: IPC-2221 IPC-2222 3b PCB Fab: IPC-6011 IPC-6012 IPC-4101 IPC-A-600 3c PCB assembly: J-STD-001 IPC-A-6

How to choose IPC in PCBA manufacturing?

Electronics Forum | Wed Oct 29 20:28:59 EST 2003 | davef

The possibilities are dizzying, aren't they? In our dingy fog, if we don't understand your requirement, say so. 3 Spec Fir Tree General Technical Specification 3a Design/Layout: IPC-2221 IPC-2222 3b PCB Fab: IPC-6011 IPC-6012 IP

Re: IPC 4101

Electronics Forum | Wed Mar 03 20:20:30 EST 1999 | Earl Moon

We have recently had problems with bare boards coming in too thick. I would like to know how to properly specify the minimum and maximum thickness using the 13949F and IPC 4101 specs. (We currently use "MATERIAL: GFN 0620 C1/C1 A2A per MIL - P - 13

MIL-P-13949

Electronics Forum | Tue Feb 12 10:33:45 EST 2002 | davef

IPC-4101 - Specification For Base Materials For Rigid And Multilayer Boards replaces MIL-P-13949 - Plastic Sheet, Laminated, Copper-Clad (For Printed Wiring) Taking a broader look, there are many �Obsolete MIL Document To Commercial Document� replac

Alternative PCB Material

Electronics Forum | Sat Jun 06 15:14:35 EDT 2009 | ysutariya

If the concern is the increased moisture absorption associated with lead-free capable materials, you probably have the most experience with phenolic materials like Isola IS410 or 370HR. The best move would be to switch to an IPC 4101/99 or /124 mate

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