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
Electronics Forum | Tue Dec 23 08:31:34 EST 2014 | proceng1
I know the contract rules, but this is idiotic. I did find the 10.2.6 spec already, but I had not looked at the TM-650. I'll check that out, thanks. I also may have found another part that has a better clearance, so I also hope to use these specs
Electronics Forum | Fri Oct 09 23:17:05 EDT 1998 | kallol Chakraborty
| | I need to set a cleanliness limit for our incoming boards. I know that some people use 14-10 microgr. sq. in. But how can I determine what is best for me. | | Can anybody tell me if there's a standard for this. | | Right now we are using an Alph
Electronics Forum | Mon Dec 22 13:54:25 EST 2014 | proceng1
My customer made a process change to overcome a design flaw. The PCB assembly mounts in a plastic housing. The PCB mounts to the front housing via plastic stand-offs. They had to change a connector on the back side of the assembly due to long term
Electronics Forum | Fri Oct 09 14:29:07 EDT 1998 | Chrys
| I need to set a cleanliness limit for our incoming boards. I know that some people use 14-10 microgr. sq. in. But how can I determine what is best for me. | Can anybody tell me if there's a standard for this. | Right now we are using an Alpha Iono
Electronics Forum | Mon Dec 22 16:20:03 EST 2014 | warwolf
Basically the contract comes first, then the design drawings then IPC. if your costumer is asking you to bend the PCB then it becomes apart of the design drawings. as for looking for a cover, get it in writing that that's what they want you to do. I
Electronics Forum | Thu Jul 27 14:48:26 EDT 2000 | Bob Barr
Is Mil-I-46058 still an active spec or has it been obsoleted by the Feds in favor of IPC specs? I have an internal process document that is based on IPC requirements, but a customer wants me to use their specs that are based on the mil spec. I am ho
Electronics Forum | Tue Feb 12 09:29:59 EST 2002 | BLN
I'm revising a PC board spec and Mil-P-13949 is called out in the previous rev. This spec has been cancelled and as such should not be called out in the revision (if you call out a cancelled spec in another spec, the supplier can't be held to the re
Electronics Forum | Wed May 16 14:14:18 EDT 2001 | wavemaster
I am looking for torque specs on mating materials for metric measurments. can someone please direct to the correct area
Electronics Forum | Wed Jan 02 12:11:32 EST 2002 | mparker
Ian is correct in saying that the Cert.s and x-section should be forwarded to QA. It would be the responsibility of Incoming or Receiving Inspection to validate the materials. Your suppliers are offering proof that they comply to industry standards o
