Electronics Forum | Tue Feb 28 19:46:07 EST 2006 | Rookie
We been having problem with raw PCB quality. Is there a procedure to inspect incoming material? What should we look for?
Electronics Forum | Tue Feb 28 20:56:12 EST 2006 | davef
Here you go ... PCB FR-4 Inspection Manual 1 Introduction This defines the minimum acceptability requirements. It is not intended for use as a performance specification for the Company or procurement. It is based on the requirements of Acceptabi
Electronics Forum | Sat Apr 25 07:10:01 EDT 1998 | JoSi
Hi, A collegue of mine, working on incoming inspection departement, asked me if I know any good standard,preferrable on CD-ROM with high-quality images of different defects that can be found on bare pcb`s. I know IPC-standards, but is there any
Electronics Forum | Thu Oct 08 12:02:15 EDT 1998 | Bernardo Mendoza
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 Ionograph
Electronics Forum | Sat Apr 25 09:13:26 EDT 1998 | Earl Moon
| Hi, | A collegue of mine, working on incoming inspection | departement, asked me if I know any good standard,preferrable | on CD-ROM with high-quality images of different defects | that can be found on bare pcb`s. | I know IPC-standards, but i
Electronics Forum | Wed Aug 14 07:00:42 EDT 2019 | ameenullakhan
What should be the ideal Purity level of Nitrogen at incoming stage ?? Please suggest. Regards, Ameen
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 | 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 | Thu Aug 15 03:23:05 EDT 2019 | sssamw
It depends your product application and requirement. If high level, 100ppm required, or even 2000ppm is also ok. There should have sensor detecting O2 ppm inside reflow.
Electronics Forum | Thu Aug 15 21:16:46 EDT 2019 | ameenullakhan
Hi Thanks, I am concern about Raw nitrogen purity level. When we receive it in our compony from a supplier. Regards, Ameen
.gif)
