277 ipc and 2221 results

Electronics Forum: ipc and 2221 (Page 12 of 28)

Acceptable per J-STD-001 and IPC-A-610 Class 3?

Electronics Forum | Thu May 23 07:50:04 EDT 2013 | icin

The attached images appear to be a result of a touchup process. We believe that this is not a fracture, but more of a condition where the solder touchup process did not completely flow the solder. Is this acceptable per J-STD-001 and IPC-A-610 Class

PC Board Guidelines

Electronics Forum | Tue Sep 18 07:52:29 EDT 2007 | davef

Does the change from supplier to supplier as a result of: * Board definition? * Differences in processing at fabs? 3 Specification Fir Tree General Technical Specification 3a Design/Layout: * IPC-2221 * IPC-2222 3b PCB Fab: * IPC-6011 * IPC-6012 * I

Gold coated spring contacts

Electronics Forum | Tue May 29 20:22:19 EDT 2001 | davef

Well, no fault with your calculations from here. They appear to be correct. [Logic doesn't appear to be off to far off base, either. An epiphany, eh?] As mentioned in an earlier posting on this thread, consider following the recommendations of IP

IPC782 and SMT Plus pattern libraries

Electronics Forum | Thu Apr 08 19:32:52 EDT 1999 | Tom Reilly

FYI, Yes, it is true SMT Plus [ http://www.smtplus.com/ ]does not meet IPC 782 standards but is that the goal here or to meet IPC-A-610 standards for manufacturing? I agree that patterns do cause some problems if created to maximum IPC standards but

IPC Standard for Acceptable and Reject Criteria

Electronics Forum | Wed Nov 03 14:46:29 EST 2004 | dramos1

Hi Russ, Thanks for the reply. In IPC-A-610 Rev. C on section 5.2.9 {Mounting - Connectors] page 5-21 on the manual [January 2000], the acceptable class [1,2,3]listed 3 items. In order for the connector to be accepted, are all 3 items must be met? I

force between the pad and laminate material

Electronics Forum | Wed Jun 12 08:13:29 EDT 2002 | davef

Don't sound proper. There is no specification. Pad peel strength test methods are: * IPC-TM-650, Method 2.4.21 for multiple solderings * IPC-TM-650, Method 2.4.8 for copper peel with a Instron machine. Typical requirement for Cu is: 6 lbf/in [1

IPC Standard for Acceptable and Reject Criteria

Electronics Forum | Thu Nov 04 09:00:01 EST 2004 | russ

As stated by others you are out of IPC compliance, However, There are allowable deviations to the standard as long as the purchaser and manufacturer come to agreement that the non-conformance will not affect form fit or function. I would recommend

Re: IPC Standards and ISO 9000

Electronics Forum | Fri Dec 08 11:50:20 EST 2000 | Michael Parker

The only instant disqualification I know of is when you are caught wearing a Sears Poncho instead of the genuine article. If not sure of the difference, get Camarillo Brillo to through a Tarot to find out.